SVC121D-05A

SVC471D ETC1

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CERAMIC SURGE ABSORBERS (VARISTORS) V-ⅠCURVE SVC SVC CHARACTERISTIC CURVES 䤎Small - current region of V - Ⅰcurve B TYPE 䤎Withstand discharge impulse current characteristics (Typical) 䤎Temporary power frequency over voltage capability A TYPE 䤎Withstand discharge impulse current characteristics (Typical)

CERAMIC SURGE ABSORBERS (VARISTORS) SPECIFICATION SVC Device Type SVC 180D-05B SVC 180D-07B SVC 180D-10B SVC 180D-14B SVC 180D-20B 0.3 0.8 1.5 3.5 10.0 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 2.5 1700 3500 7000 1400 28000 SVC 220D-05B SVC 220D-07B SVC 220D-10B SVC 220D-14B SVC 220D-20B 0.4 0.9 2.0 4.0 13.0 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 2.5 1200 2500 5000 11000 22000 SVC 270D-05B SVC 270D-07B SVC 270D-10B SVC 270D-14B SVC 270D-20B 0.5 1.0 2.5 5.0 15.0 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 2.5 1100 2000 4500 9000 18000 SVC 330D-05B SVC 330D-07B SVC 330D-10B SVC 330D-14B SVC 330D-20B 0.6 1.2 3.0 6.0 20.0 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 2.5 1000 2000 4000 8000 16000 SVC 390D-05B SVC 390D-07B SVC 390D-10B SVC 390D-14B SVC 390D-20B 0.8 1.5 3.5 7.0 24.0 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 2.5 800 1600 3200 6500 13000 SVC 470D-05B SVC 470D-07B SVC 470D-10B SVC 470D-14B SVC 470D-20B 1.0 1.8 4.5 8.5 30.0 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 104 2.5 700 1400 2800 5500 11000 SVC 560D-05B SVC 560D-07B SVC 560D-10B SVC 560D-14B SVC 560D-20B 1.0 2.2 5.5 10.5 35.0 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 123 110 110 110 110 2.5 600 1300 2500 5000 10000 SVC 680D-05B SVC 680D-07B SVC 680D-10B SVC 680D-14B SVC 680D-20B 1.2 2.5 6.5 12.0 40.0 0.01 0.02 0.05 0.1 0.2 125 250 500 1000 2000 150 135 135 135 135 2.5 500 1000 2000 4000 8000 SVC 820D-05B SVC 820D-07B SVC 820D-10B SVC 820D-14B SVC 820D-20B 1.7 3.5 8.0 14.0 27.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 145 135 135 135 135 100 400 800 1500 3000 6000 SVC 101D-05B SVC 101D-07B SVC 101D-10B SVC 101D-14B SVC 101D-20B 2.0 4.0 10.0 18.0 30.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 100 110 175 165 165 165 165 100 350 700 1500 3000 6000 SVC 121D-05B SVC 121D-07B SVC 121D-10B SVC 121D-14B SVC 121D-20B 100 2.5 5.0 12.0 20.0 40.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 120 108 132 210 200 200 200 200 100 350 700 1300 2600 5200 SVC 151D-05B SVC 151D-07B SVC 151D-10B SVC 151D-14B SVC 151D-20B 125 3.0 6.0 16.0 25.0 50.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 150 135 165 260 250 250 250 250 100 250 500 1000 2000 4000 SVC 201D-05B SVC 201D-07B SVC 201D-10B SVC 201D-14B SVC 201D-20B 130 170 4.0 10.0 20.0 35.0 70.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 200 185 225 355 340 340 340 340 100 200 400 800 1600 3200 SVC 221D-05B SVC 221D-07B SVC 221D-10B SVC 221D-14B SVC 221D-20B 140 180 4.5 10.0 23.0 40.0 75.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 220 198 242 380 360 360 360 360 100 170 350 700 1400 2800 SVC 241D-05B SVC 241D-07B SVC 241D-10B SVC 241D-14B SVC 241D-20B 150 200 5.0 10.0 25.0 40.0 80.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 240 216 264 415 395 395 395 395 100 170 350 700 1300 2600 Chip Element Size Maximum ratings Characteristics Nominal varistor④ peak voltage Typical capacitance Max. clamping⑤ voltage @ test current (8/20㎲) Applied voltage RMS 50/60Hz (25℃) Average power dissipation Peak③ current (8/20㎲) DC (25℃) Energy② Transient Dia (mm) V acm (Volts) V dcm (Volts) W tm (Joules) Ptam (Watts) Itm (Amps) Vnom (Volts) Tolerance Vc (Volts) Ip (Amps) f=1kHz (pF) Min (Volts) Max (Volts)

CERAMIC SURGE ABSORBERS (VARISTORS) SVC Device Type SVC 271D-05A SVC 271D-07A SVC 271D-10A SVC 271D-14A SVC 271D-20A 175 225 6.0 12.0 30.0 50.0 90.0 0.1 0.25 0.4 0.6 1.0 250 600 1250 2500 4000 270 247 303 475 455 455 455 455 100 150 300 600 1200 2400 120 250 500 1000 2000 110 220 450 900 1800 100 200 400 800 1600 170 350 700 1400 300 600 1200 270 550 1100 250 500 1000 220 450 900 220 440 880 210 420 840 180 380 750 180 350 700 150 300 600 200 400 100 100 100 100 100 100 100 100 100 100 100 100 100 100 620 595 595 595 595 675 650 650 650 650 754 710 710 710 710 810 775 775 775 775 920 920 920 1025 1025 1025 1120 1120 1120 1240 1240 1240 1290 1290 1290 1355 1355 1355 1500 1500 1500 1650 1650 1650 1815 1815 1815 2970 2970 396 429 473 517 616 682 748 825 858 902 1001 1100 1210 1980 324 351 387 423 504 558 612 675 702 738 819 900 990 1620 360 390 430 470 560 620 680 750 780 820 910 1000 1100 1800 250 600 1250 2500 4000 250 600 1250 2500 4000 250 600 1250 2500 4000 250 600 1250 2500 4000 1250 2500 4000 1250 2500 4000 1250 2500 4000 1250 2500 4000 1250 2500 4000 1250 2500 4000 1250 2500 4000 1250 2500 4000 1250 2500 4000 2500 4000 0.1 0.25 0.4 0.6 1.0 0.1 0.25 0.4 0.6 1.0 0.1 0.25 0.4 0.6 1.0 0.1 0.25 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.4 0.6 1.0 0.6 1.0 7.5 15.0 35.0 65.0 120.0 8.0 17.0 40.0 70.0 130.0 9.0 20.0 45.0 75.0 140.0 10.0 20.0 45.0 80.0 150.0 45.0 85.0 150.0 45.0 85.0 150.0 45.0 90.0 160.0 50.0 100.0 175.0 50.0 105.0 180.0 55.0 110.0 190.0 60.0 120.0 215.0 65.0 130.0 230.0 70.0 140.0 250.0 24.0 400.0 300 320 350 385 460 550 560 615 640 670 745 825 895 1465 230 250 275 300 350 385 420 460 485 510 550 625 680 1000 SVC 361D-05A SVC 361D-07A SVC 361D-10A SVC 361D-14A SVC 361D-20A SVC 391D-05A SVC 391D-07A SVC 391D-10A SVC 391D-14A SVC 391D-20A SVC 431D-05A SVC 431D-07A SVC 431D-10A SVC 431D-14A SVC 431D-20A SVC 471D-05A SVC 471D-07A SVC 471D-10A SVC 471D-14A SVC 471D-20A SVC 561D-10A SVC 561D-14A SVC 561D-20A SVC 681D-10A SVC 681D-14A SVC 681D-20A SVC 621D-10A SVC 621D-14A SVC 621D-20A SVC 751D-10A SVC 751D-14A SVC 751D-20A SVC 781D-10A SVC 781D-14A SVC 781D-20A SVC 821D-10A SVC 821D-14A SVC 821D-20A SVC 911D-10A SVC 911D-14A SVC 911D-20A SVC 102D-10A SVC 102D-14A SVC 102D-20A SVC 112D-10A SVC 112D-14A SVC 112D-20A SVC 182D-10A SVC 182D-14A Dia (mm) Vacm (Volts) Vdcm (Volts) Wtm (Joules) Ptam (Watts) Itm (Amps) Vnom (Volts) Tolerance Min (Volts) Max (Volts) VC (Volts) Ip (Amps) f=1kHz (pF) Notes : ①The waveform of the maximum DC applied voltage is flat. When a ripple voltage as from a rectifier source is supplied make sure that the peak voltage is kept under th Vdcm An AC applied voltage(50/60Hz) form a since waveshape. When the distortion in the waveform is extensive make sure that the peak voltage is less than 2times the Vacm. ②Energy : Wtm Transient energy ratings are given in the Wtm column of the specifications in Joules (watt-second). The rating is the maximum allowable energy for a single impulse of 2ms square-waveform current with continuous voltage applied. Energy ratings are based on a shift of Vnom of less than ±10% of initial value. ③Transient peak current (ltm) The peak current rating. ltm. of varistor is based on an 8/20㎲test impulse waveshape. This peak current is the maximum peak current in which the nominal varistor voltage shift does not exceed ±10% when the test impulse is applied twice at 5 mimutes intervals. ④Nominal varistor voltage : Vnom Indicates the varistor terminal voltage measured with a 1mA DC applied. -0.1mA DC in the case of the 0.5A and 05B series. ⑤Maximum clamping voltage : Vc Indicates the peak teminal voltage measured with an 8/20㎲impulse current applied. 䤎Operating ambient temperature : -40℃to +80℃ 䤎Storage temperature : -40℃to +125℃ 䤎UL and CSA recognized (UL 1449, UL 497B or UL 1414, CSA) SVC varistors have been tested by Underwiter’s Laboratories, Inc. and Canadian Standards Association UL File No. E97754, E151195, E154171. CSA File No. LR78923.

CERAMIC SURGE ABSORBERS (VARISTORS) SVC DIMENSIONS (Unit : mm) B TYPE A TYPE SVC 180D-05B 4.5 7.5 10.0 5.0 0.55 SVC 220D-05B 4.5 7.5 10.0 5.0 0.55 SVC 270D-05B 4.5 7.5 10.0 5.0 0.55 SVC 330D-05B 4.5 7.5 10.0 5.0 0.55 SVC 820D-07A SVC 101D-07A SVC 121D-07A SVC 151D-07A SVC 201D-07A SVC 221D-07A SVC 241D-07A SVC 271D-07A SVC 361D-07A SVC 391D-07A SVC 431D-07A SVC 471D-07A SVC 820D-10A SVC 101D-10A SVC 121D-10A SVC 151D-10A SVC 201D-10A SVC 221D-10A SVC 241D-10A SVC 271D-10A SVC 361D-10A SVC 391D-10A SVC 431D-10A SVC 561D-10A SVC 621D-10A SVC 681D-10A SVC 751D-10A SVC 781D-10A SVC 821D-10A SVC 911D-10A SVC 102D-10A SVC 112D-10A SVC 820D-14A SVC 101D-14A SVC 121D-14A SVC 151D-14A SVC 201D-14A SVC 221D-14A SVC 241D-14A SVC 271D-14A SVC 361D-14A SVC 391D-14A SVC 431D-14A SVC 471D-14A SVC 561D-14A SVC 621D-14A SVC 681D-14A SVC 751D-14A SVC 781D-14A SVC 821D-14A SVC 911D-14A SVC 102D-14A SVC 112D-14A SVC 182D-14A SVC 820D-20A SVC 101D-20A SVC 121D-20A SVC 151D-20A SVC 201D-20A SVC 221D-20A SVC 241D-20A SVC 271D-20A SVC 361D-20A SVC 391D-20A SVC 431D-20A SVC 471D-20A SVC 561D-20A SVC 621D-20A SVC 681D-20A SVC 751D-20A SVC 781D-20A SVC 821D-20A SVC 911D-20A SVC 102D-20A SVC 112D-20A SVC 182D-20A 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 5.0 5.0 6.0 6.0 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 5.0 5.0 6.0 6.0 7.5 7.5 7.5 8.5 8.5 8.5 10.5 10.5 10.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 5.0 5.0 6.0 6.0 7.5 7.5 7.5 8.5 8.5 8.5 10.5 10.5 10.5 15.0 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 5.0 5.0 6.0 6.0 7.5 7.5 7.5 8.5 8.5 8.5 10.5 10.5 10.0 15.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14.0 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 17.5 23.0 23.0 23.0 23.0 23.0 23.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 24.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 21.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 28.0 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.55 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.80 0.80 0.80 0.80 0.80 0.80 0.80 0.80 0.80 0.80 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 TYPE Tmax Dmax Hmax Lmin F 䦀d TYPE Tmax Dmax Hmax Lmin F 䦀d TYPE Tmax Dmax Hmax Lmin F 䦀d SVC 390D-05B 4.5 7.5 10.0 5.0 0.55 SVC 470D-05B 4.5 7.5 10.0 5.0 0.55 SVC 560D-05B 4.5 7.5 10.0 5.0 0.55 SVC 680D-05B 4.5 7.5 10.0 5.0 0.55 SVC 180D-07D 4.5 9.0 10.0 5.0 0.55 SVC 220D-07D 4.5 9.0 10.0 5.0 0.55 SVC 270D-07D 4.5 9.0 10.0 5.0 0.55 SVC 330D-07D 4.5 9.0 10.0 5.0 0.55 SVC 390D-07D 4.5 9.0 10.0 5.0 0.55 SVC 470D-07D 4.5 9.0 10.0 5.0 0.55 SVC 560D-07D 4.5 9.0 10.0 5.0 0.55 SVC 680D-07D 4.5 9.0 10.0 5.0 0.55 SVC 180D-10B 5.0 13.5 16.5 7.5 0.70 SVC 220D-10B 5.0 13.5 16.5 7.5 0.70 SVC 270D-10B 5.0 13.5 16.5 7.5 0.70 SVC 330D-10B 5.0 13.5 16.5 7.5 0.70 SVC 390D-10B 5.0 13.5 16.5 7.5 0.70 SVC 470D-10B 5.0 13.5 16.5 7.5 0.70 SVC 560D-10B 5.0 13.5 16.5 7.5 0.70 SVC 680D-10B 5.0 13.5 16.5 7.5 0.70 SVC 180D-14B 5.0 17.0 20.0 7.5 0.70 SVC 220D-14B 5.0 17.0 20.0 7.5 0.70 SVC 270D-14B 5.0 17.0 20.0 7.5 0.70 SVC 330D-14B 5.0 17.0 20.0 7.5 0.70 SVC 390D-14B 5.0 17.0 20.0 7.5 0.70 SVC 470D-14B 5.0 17.0 20.0 7.5 0.70 SVC 560D-14B 5.0 17.0 20.0 7.5 0.70 SVC 680D-14B 5.0 17.0 20.0 7.5 0.70 SVC 390D-20B 6.0 23.0 27.0 10.0 0.07 SVC 470D-20B 6.0 23.0 27.0 10.0 0.07 SVC 560D-20B 6.0 23.0 27.0 10.0 0.07 SVC 680D-20B 6.0 23.0 27.0 10.0 0.07 SVC 180D-20B 6.0 23.0 27.0 10.0 0.07 SVC 220D-20B 6.0 23.0 27.0 10.0 0.07 SVC 270D-20B 6.0 23.0 27.0 10.0 0.07 SVC 330D-20B 6.0 23.0 27.0 10.0 0.07 SVC 820D-05A 4.5 7.0 10.0 5.0 0.55 SVC 101D-05A 4.5 7.0 10.0 5.0 0.55 SVC 121D-05A 4.5 7.0 10.0 5.0 0.55 SVC 151D-05A 4.5 7.0 10.0 5.0 0.55 SVC 201D-05A 4.5 7.0 10.0 5.0 0.55 SVC 221D-05A 4.5 7.0 10.0 5.0 0.55 SVC 241D-05A 4.5 7.0 10.0 5.0 0.55 SVC 271D-05A 4.5 7.0 10.0 5.0 0.55 SVC 361D-05A 5.0 7.0 10.0 5.0 0.55 SVC 391D-05A 5.0 7.0 10.0 5.0 0.55 SVC 431D-05A 6.0 7.0 10.0 5.0 0.55 SVC 471D-05A 6.0 7.0 10.0 5.0 0.55

CERAMIC SURGE ABSORBERS (VARISTORS) SVC Body Diameter D See Page 46 Body thickness T Lead diameter d䦀 Pitch of sprocket hole 12.7±0.3 Pitch of component P 6.35±1.3 25.4±1.0 Lead lenth from hole center to Lead 3.85±0.7 8.95±1.0 Lead length from hole center to 6.35±1.3 12.7±1.5 component center Lead spacing F 5.0 7.5±1.0 Deviation along tape 0±1.0 Deviation across tape 0±2.0 Carrier tape width W 18.0 Hold down tape width 5.0min 9.0min Position of sprocket hole 9.0±0.5 Hold down tape position 3.0max Lead wire clinch height 16.0±0.5 Height of component hole H 20.0 Component height 32.25max Diameter of sprocket hole 4.0±0.2 Length of snipped lead L 11.0max Total tape thickness 0.7±0.2 Total thickness tape and lead wire 1.5max 1.7max Length of snipped lead lx 1.0max ITEM Code +1.0 -0.5 +1.5 -1.0 FS5, FK5 FF9 Dimensions(mm) Body Diameter D See Page 46 Body thickness T Lead diameter d䦀 0.70±0.05 Pitch of sprocket hole 15.0±0.3 Pitch of component P 15.0±1.0 30.0±1.0 Lead lenth from hole center to Lead 3.75±1.0 Lead length from hole center to 7.50±1.5 component center Lead spacing F 7.5±1.0 Deviation along tape 0±1.0 Deviation across tape 0±2.0 Carrier tape width W 18.0 Hold down tape width 5.0min Position of sprocket hole 9.0±0.5 Hold down tape position 3.0max Lead wire clinch height 16.0±0.5 Height of component hole H 20.0 Component height 40.00max Diameter of sprocket hole 4.0±0.2 Length of snipped lead L 11.0max Total tape thickness 0.7±0.2 Total thickness tape and lead wire 1.7max Length of snipped lead lx 1.0max ITEM Code +1.0 -0.5 +1.5 -1.0 FF7 FF8 Dimensions(mm) +0.8 -0.2

CERAMIC SURGE ABSORBERS (VARISTORS) SVC CHAR, CURVES AND LIFETIME 䤎05B (SVC 180D-05B to SVC680D-05B) ■TRANSIENT V-I CHARACTIC CURVES Current waveform Under 10 -2 A : DC Over 10 -1 A : 8/20㎲ 䤎05B (SVC 180D-05B to SVC680D-05B) 䤎05A (SVC 820D-05A to SVC471D-05A) 䤎05A (SVC 820D-05A to SVC471D-05A) ■PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval Up to 10 6 - pulse : 10 - second intervla

CERAMIC SURGE ABSORBERS (VARISTORS) SVC 䤎07B (SVC 180D-07B to SVC680D-07B) ■TRANSIENT V-I CHARACTERISTIC CURVES Current waveform Under 10 -2 A : DC Over 10 -1 A : 8/20㎲ 䤎07B (SVC 180D-07B to SVC680D-07B) 䤎07A (SVC 820D-07A to SVC471D-07A) 䤎07A (SVC 820D-07A to SVC471D-07A) ■PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval Up to 10 6 - pulse : 10 - second intervla

CERAMIC SURGE ABSORBERS (VARISTORS) SVC 䤎10B (SVC 180D-10B to SVC680D-10B) ■TRANSIENT V-I CHARACTERISTIC CURVES Current waveform Under 10 -2 A : DC Over 10 -1 A : 8/20㎲ 䤎10B (SVC 180D-10B to SVC680D-10B) 䤎10A (SVC 820D-10A to SVC471D-10A) 䤎10A (SVC 820D-10A to SVC471D-10A) ■PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval Up to 10 6 - pulse : 10 - second intervla

CERAMIC SURGE ABSORBERS (VARISTORS) SVC 䤎10A (SVC561D-10A to SVC112D-10A) ■TRANSIENT V-I CHARACTERISTIC CURVES Current waveform Under 10 -2 A : DC Over 10 -1 A : 8/20㎲ 䤎10A (SVC 561D-10A to SVC112D-10A) 䤎14B (SVC 180D-14B to ENC680D-14B) 䤎14B (SVC 180D-14B to SVC680D-14B) ■PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval Up to 10 6 - pulse : 10 - second intervla

CERAMIC SURGE ABSORBERS (VARISTORS) SVC 䤎14A (SVC 820D-14A to SVC471D-14A) ■TRANSIENT V-I CHARACTERISTIC CURVES Current waveform Under 10 -2 A : DC Over 10 -1 A : 8/20㎲ 䤎14A (SVC 820D-14A to SVC471D-14A) 䤎14A (SVC 561D-14A to SVC182D-14A) 䤎14A (SVC 561D-14A to SVC182D-14A) ■PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval Up to 10 6 - pulse : 10 - second intervla

CERAMIC SURGE ABSORBERS (VARISTORS) SVC 䤎20B (SVC180D-20B to SVC680D-20B) ■TRANSIENT V-I CHARACTERISTIC CURVES Current waveform Under 10 -2 A : DC Over 10 -1 A : 8/20㎲ 䤎20B (SVC180D-20B to SVC680D-20B) 䤎20A (SVC 820D-20A to SVC471D-20A) 䤎20A (SVC 820D-20A to SVC471D-20A) ■PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval Up to 10 6 - pulse : 10 - second intervla

CERAMIC SURGE ABSORBERS (VARISTORS) SVC 䤎20A (SVC 561D-20A to SVC182D-20A) ■TRANSIENT V-I CHARACTERISTIC CURVES Current waveform Under 10 -2 A : DC Over 10 -1 A : 8/20㎲ 䤎20A (SVC 561D-20A to SVC182D-20A) ■PULSE LIFETIME RATINGS Notes : 2 - pulse : 5 - minute interval 3 to 10 - pulse : 2 -minute interval Up to 10 6 - pulse : 10 - second intervla

CERAMIC SURGE ABSORBERS (VARISTORS) SVC

APPLICATIONS

■Telecommunication circuit protection ■Switching circuit protection ■Power supply circuit protection 䤎Line circuit 䤎AC/DC single-phase circuit 䤎Line and groud circuit 䤎AC three-phase circuit 䤎AC/DC single-phase circuit 䤎AC three-phase circuit 䤎The protection of semiconducting elements such as diodes, thyristors, transistors, IC and relays against transient voltages. 䤎Similar protection of many types of measuring instruments, control machinery and communication equipment and broadcasting equipment against inductive lightning and switching surges. 䤎Protection of general purpose electrical equipment, domestic mechinery and appliances. TV and radios and similar consumer products against lightning and switching surges. Varistor voltage selection table (ZL) Notes : ①The power supply voltage must not exceed the maximum allowable circuit voltage. ②Since independent wiring loads and capacitive loads cause the voltage build-up at the time of opening or closing the load, use SVC having a varistor voltage as high as possible.( 䤍mark) ③The bold faced portions of the type letters vary. Notes : The varistor SVC has a capacitance value. Take not of this when applying them to high-frequency signal circuits. Protection of relay (Contact coil) Protection of semiconductors Notes : ①When subjected to megger testing (500V DC), the insulation resistance value can decrease due to the leakage current of the SVC, To avoid this remove the varistor or use 䤍marked SVC. ②When subjected to dielectric strength test(1000V AC). remove the SVC or use 䤍䤍marked SVC. Select varistors taking a note of operating conditions peculiar to the equipment. Notes : ①The power supply voltage must not exceed the maximum allowable circuit voltage of the SVC ②Pay due attention to the surge energy generated by the load. ③Select SVC referring to the pulse lifetime rating. ④To further reduce the tendency of sparking across the contacts connect a capacitor parallel with the SVC. This will also protect the equipment from electromagnetic wave jamming. Power supply voltage Type 100V AC SVC201D-□□A SVC221D-□□A SVC241D-□□A SVC271D-□□A 200V AC SVC391D-□□A SVC431D-□□A SVC471D-□□A 12V DC SVC220D-□□B 24V DC SVC390D-□□B 䤍 䤍 Varistor voltage selection guied Power supply voltage Type 12V DC SVC180D-□□B SVC220D-□□B SVC820D-□□A 24V AC SVC390D-□□B SVC820D-□□A Varistor voltage selection table (ZE) Power supply voltage Type 100V AC SVC431D-□□A 200V AC SVC471D-□□A SVC751D-□□A to SVC 112D-□□A 䤍 SVC182D-□□A 䤍䤍 Varistor voltage selection guide Power supply voltage Type 12V DC SVC220D-□□B 24V DC SVC390D-□□B 100V DC SVC151D-□□A 100V AC SVC201D-□□A SVC221D-□□A SVC241D-□□A SVC271D-□□A

CERAMIC SURGE ABSORBERS (VARISTORS) SVC 1. Overcurrent protection When surges exceed the rating for the SVC, short-circuits or damages can be expected. Take following precautions. 2.Installation ①When operated at location near heating element or exp- osed to direct sun light, confirm that the the ambient temparature range. ②When operated in dusty or dirty locations, or exposed to corrosive atomospheres, or where metallic powders or salt can be expected, be sure to mount within a protective enclo- sure. 3. Molding 5. Electrical Characteristics 4.Current, power and energy rating vs, temperature When shielding the SVC in a resin molding, take a note of the materials used and temperature, since they influence the reliability. For further information please contact SAMWHA Operating ambient temperature -40℃to + 85℃ Storage temperature -40℃to + 125℃ Voltage temperature coefficient -0.05%℃ Insulation resistance(at500V) Over 1000MΩ ①Connect the SVC at a position nearer to the equipment than the overcurrent protection device “Ⅰ”(fuse, MCCB) as is shown in the diagram. When the SVC is shorted, the overcurrent protection device “Ⅰ”operates (trips or blow off the fuse). ②If the overcurrent protection device “Ⅰ”can not be in- stalled in “Ⅰ”position, connect a fuse at “Ⅱ”position. Select fuse rated current for the SVC referring to the following table. ③When “Z2”SVC is connected between the equipment and ground install an ELCB (Earth Leakage Circuit Breaker). If not possible, connect a fuse or thermal fuse at “Ⅲ”position. SVC 05A 07A 10A 14A 20A 05B 07B 10B 14B 20B Applicable fuse 1 to 2 2 to 3 3 to 5 3 to 10 5 to 15 rated current(A) ■Application notes ■Recognized standards Standard UL CAS ISO 9002 94.12.15 93.07.27 93.07.06 88.05.10 93.03.03 Transient Voltage surge suppressors Cord connected and Direct Plug in Type Equipment Pemanently connected type equipment 125V AC 250V AC 125V AC SVC 180D - □~SVC 821D - □ SVC 201D - □A ~SVC 182D - □A SVC 391D - □A ~SVC 182D - □A SVC 201D - □A ~SVC 391D - □A 05Series 07Series 10Series 14Series 20Series 10Series 14Series 20Series E151195 E97754 E154171 LR78923 KRQ-007/94 Across-The-Line Components Protectors for data communication and fire alarm circuirt Varistor for Across -The-Line use as transient protection on 120Vac system UL 1449 UL 1414 UL 497B C22.2 NO.1-M 1981 Date Content Applicable SVC series File No.

CERAMIC SURGE ABSORBERS (VARISTORS) SVC APPLICATION EXAMPEL

CERAMIC SURGE ABSORBERS (VARISTORS) SVC Varistor Terminology 䤎Varistor Voltage : Vnom Varistor peak terminal voltage measured with a specified current applied The DC current applied is 1mA normally. 䤎Clamping voltage : Vc Maximum terminal voltage (peak voltage across the varistor) measured with an applied 8/20㎲ impulse of a given peak current. 䤎Capacitance Typical values measured at a test frequency of 1kHz 䤎Rated peak transient current : itm Maximum peak current through the varistor with line voltage applied. The maximum peak current with in the varistor voltage change ratio of ±10% with the standard 8/20㎲ impulse current applied two times at 5 minute interval. 䤎Rated transient energy : Wtm Maximum allowable energy for a single impulse of 2ms square-wave current waveform with rated contin- uous voltage applied. Maximum energy rating base on a shift of Vnom of less than ±10% of initial value. 䤎Pulse lifetime rating This is expressed as the maximum allowable number of impulse curr- ents applied. 8/20㎲impulse current (or 2ms sq- uare wave) is applied at prescribed interval. This curve also provides for derating current as required with repetitive pulsing. 䤎Tset current waveform Characteristics tests for Varistors are carried out by using 8/20㎲test impulses Data such as the maximum clamping voltage(Vc)and the transient peak current(ltm) are obtained by using this impulse current. However, for the Vc characteristics of the Axial package type a 10mA DC squarewave current is used to cary out the test. 䤎Rated RMS Voltage : Vacm Maximum continuous sinusoidal RMS voltage at 50/60Hz which may be applied. 䤎Rated DC Voltage : Vdcm Maximum continuous DC voltage which may be applied. 䤎Rated average power dissipation : Ptam Maximum average power that can be applied within the specified ambient temperature.

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