SVC121D-05A SAMWHA | Alldatasheet
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䤎High discharge current capability up to 4000 Amps. 䤎Excellent clamping characteristics. 䤎Fast response time under 50 nanesesconds. 䤎Improve Product safety 䤎UL, CSA, VDE recognized SVC Varistors Type SVC 471 D-14A FF 7 䡔 䡕 䡖 䡗 䡘 䡙 䡚 How to Order 䡔 #BTJD5ZQF ZnO Varistor 䡗 $IJQ&MFNFOU4J[F %JB 05 : ʡ5mm, 07 : ʡ7mm, 10 : ʡ10mm, 14 : ʡ14mm, 20 :ʡ20mm 䡕 7BSJTUPS/PNJOBM7PMUBHF (The first two digit indicate significaticant digits) (The 3rd digit indicate the number of zeros following) 䡘 $MBTTJGJDBUJPO A : High Voltage(82V and above) B : Low Voltage(less then 68V) Taping Type Bulk Type Code Lead Spacing(mm) Pitch of Component(mm) Code Lead Spacing(mm) 5 5.0 12.7 5 5.0 7 7.5 15.0 7 7.5 8 7.5 30.0 1 10.0 9 7.5 25.4 1 10.0 30.0 Packing Style Lead Variation Packing Style Lead Variation S Straight Long Type W Kink Short Type B Bulk K Kink Long Type L Kink Short Type N Straight Short Type S Straight Type F Taping Type Flat Pack K In-Kink Type F Out-Kink Type 䡖 4UZMF D : Disk Type Varistor 䡙 1BDLJOH4UZMF -FBE7BSJBUJPO 䡚 -FBE4QBDJOH 1JUDIPG$PNQPOFOU SVC Characteristic Curves 7Ǎ $VSWF 䤎Small - current region of V -Ǎcurve 䤎Temporary power frequency over voltage capability #5ZQF 䤎Withstand discharge impulse current characteristics(Typical) "5ZQF 䤎Withstand discharge impulse current characteristics(Typical) 4VGGJY$PEF XXXTBNXIBDPN DISC Ceramic Capacitors SVC Varistors Type
DISC Ceramic Capacitors SAMWHA CAPACITOR Co., Ltd. Specification Maximum Ratings Applied Voltage RMS 50/60Hz (25 ) Dia (mm) Vacm (Volts) Vdcm (Volts) Wtm (Joules) Ptam (Watts) Itm (Amps) Vnom (Volts) Min.(Volts) Max.(Volts) Vc (Volts) Ip (Amps) f=1kHz (ʆ) Tolerance Chip Element Size DC (25 ) Energy Average Power Dissipation Peak ˟ Current (8/20ɫ) Nominal Varistor ˠ Peak Voltage Max. Clamping ˡ Voltage @ Test Current(8/20ɫ) Typical Capacitance Transient Characteristics Device Type SVC 180D-05B 5 0.3 0.01 125 40 1 1700 SVC 180D-07B 7 0.8 0.02 250 36 2.5 3500 SVC 180D-10B 10 11 14 1.5 0.05 500 18 16 20 36 5 7000 SVC 180D-14B 14 3.5 0.1 1000 36 10 1400 SVC 180D-20B 20 10.0 0.2 2000 36 20 28000 SVC 220D-05B 5 0.4 0.01 125 48 1 1200 SVC 220D-07B 7 0.9 0.02 250 43 2.5 2500 SVC 220D-10B 10 14 18 2.0 0.05 500 22 20 24 43 5 5000 SVC 220D-14B 14 4.0 0.1 1000 43 10 11000 SVC 220D-20B 20 13.0 0.2 2000 43 20 22000 SVC 270D-05B 5 0.5 0.01 125 60 1 1100 SVC 270D-07B 7 1.0 0.02 250 53 2.5 2000 SVC 270D-10B 10 17 22 2.5 0.05 500 27 24 30 53 5 4500 SVC 270D-14B 14 5.0 0.1 1000 54 10 9000 SVC 270D-20B 20 15.0 0.2 2000 53 20 18000 SVC 330D-05B 5 0.6 0.01 125 73 1 1000 SVC 330D-07B 7 1.2 0.02 250 65 2.5 2000 SVC 330D-10B 10 20 26 3.0 0.05 500 33 30 36 65 5 4000 SVC 330D-14B 14 6.0 0.1 1000 65 10 8000 SVC 330D-20B 20 20.0 0.2 2000 65 20 16000 SVC 390D-05B 5 0.8 0.01 125 86 1 800 SVC 390D-07B 7 1.5 0.02 250 77 2.5 1600 SVC 390D-10B 10 25 31 3.5 0.05 500 39 35 43 77 5 3200 SVC 390D-14B 14 7.0 0.1 1000 77 10 6500 SVC 390D-20B 20 24.0 0.2 2000 77 20 13000 SVC 470D-05B 5 1.0 0.01 125 104 1 700 SVC 470D-07B 7 1.8 0.02 250 93 2.5 1400 SVC 470D-10B 10 30 38 4.5 0.05 500 47 42 52 93 5 2800 SVC 470D-14B 14 8.5 0.1 1000 93 10 5500 SVC 470D-20B 20 30.0 0.2 2000 93 20 11000 SVC 560D-05B 5 1.0 0.01 125 123 1 600 SVC 560D-07B 7 2.2 0.02 250 110 2.5 1300 SVC 560D-10B 10 35 45 5.5 0.05 500 56 50 62 110 5 2500 SVC 560D-14B 14 10.5 0.1 1000 110 10 5000 SVC 560D-20B 20 35.0 0.2 2000 110 20 10000 SVC 680D-05B 5 1.2 0.01 125 150 1 500 SVC 680D-07B 7 2.5 0.02 250 135 2.5 1000 SVC 680D-10B 10 40 56 6.5 0.05 500 68 61 75 135 5 2000 SVC 680D-14B 14 12.0 0.1 1000 135 10 4000 SVC 680D-20B 20 40.0 0.2 2000 135 20 8000 SVC 820D-05A 5 1.7 0.1 400 145 5 400 SVC 820D-07A 7 3.5 0.25 1200 135 10 800 SVC 820D-10A 10 50 65 8.0 0.4 2500 82 74 90 135 25 1500 SVC 820D-14A 14 14.0 0.6 4500 135 50 3000 SVC 820D-20A 20 27.0 1.0 6500 135 100 6000 SVC 101D-05A 5 2.0 0.1 400 175 5 350 SVC 101D-07A 7 4.0 0.25 1200 165 10 700 SVC 101D-10A 10 60 85 10.0 0.4 2500 100 90 110 165 25 1500 SVC 101D-14A 14 18.0 0.6 4500 165 50 3000 SVC 101D-20A 20 30.0 1.0 6500 165 100 6000 Maximum Ratings Applied Voltage RMS 50/60Hz (25 ) Dia (mm) Vacm (Volts) Vdcm (Volts) Wtm (Joules) Ptam (Watts) Itm (Amps) Vnom (Volts) Min.(Volts) Max.(Volts) Vc (Volts) Ip (Amps) f=1kHz (ʆ) Tolerance Chip Element Size DC (25 ) Energy Average Power Dissipation Peak ˟ Current (8/20ɫ) Nominal Varistor ˠ Peak Voltage Max. Clamping ˡ Voltage @ Test Current(8/20ɫ) Typical Capacitance Transient Characteristics Device Type SVC 121D-05A 5 2.5 0.1 400 210 5 350 SVC 121D-07A 7 5.0 0.25 1200 200 10 700 SVC 121D-10A 10 75 100 12.0 0.4 2500 120 108 132 200 25 1300 SVC 121D-14A 14 20.0 0.6 4500 200 50 2600 SVC 121D-20A 20 40.0 1.0 6500 200 100 5200 SVC 151D-05A 5 3.0 0.1 400 260 5 250 SVC 151D-07A 7 6.0 0.25 1200 250 10 500 SVC 151D-10A 10 95 125 16.0 0.4 2500 150 135 165 250 25 1000 SVC 151D-14A 14 25.0 0.6 4500 250 50 2000 SVC 151D-20A 20 50.0 1.0 6500 250 100 4000 SVC 201D-05A 5 4.0 0.1 400 355 5 200 SVC 201D-07A 7 10.0 0.25 1200 340 10 400 SVC 201D-10A 10 130 170 20.0 0.4 2500 200 185 225 340 25 800 SVC 201D-14A 14 35.0 0.6 4500 340 50 1600 SVC 201D-20A 20 70.0 1.0 6500 340 100 3200 SVC 221D-05A 5 4.5 0.1 400 380 5 170 SVC 221D-07A 7 10.0 0.25 1200 360 10 350 SVC 221D-10A 10 140 180 23.0 0.4 2500 220 198 242 360 25 700 SVC 221D-14A 14 40.0 0.6 4500 360 50 1400 SVC 221D-20A 20 75.0 1.0 6500 360 100 2800 SVC 241D-05A 5 5.0 0.1 400 415 5 170 SVC 241D-07A 7 10.0 0.25 1200 395 10 350 SVC 241D-10A 10 150 200 25.0 0.4 2500 240 216 264 395 25 700 SVC 241D-14A 14 40.0 0.6 4500 395 50 1300 SVC 241D-20A 20 80.0 1.0 6500 395 100 2600 SVC 271D-05A 5 6.0 0.1 400 475 5 150 SVC 271D-07A 7 12.0 0.25 1200 455 10 300 SVC 271D-10A 10 175 225 30.0 0.4 2500 270 247 303 455 25 600 SVC 271D-14A 14 50.0 0.6 4500 455 50 1200 SVC 271D-20A 20 90.0 1.0 6500 455 100 2400 SVC 361D-05A 5 7.5 0.1 400 620 5 120 SVC 361D-07A 7 15.0 0.25 1200 595 10 250 SVC 361D-10A 10 230 300 35.0 0.4 2500 360 324 396 595 25 500 SVC 361D-14A 14 65.0 0.6 4500 595 50 1000 SVC 361D-20A 20 120.0 1.0 6500 595 100 2000 SVC 391D-05A 5 8.0 0.1 400 675 2.55 110 SVC 391D-07A 7 17.0 0.25 1200 650 10 220 SVC 391D-10A 10 250 320 40.0 0.4 2500 390 351 429 650 25 450 SVC 391D-14A 14 70.0 0.6 4500 650 50 900 SVC 391D-20A 20 130.0 1.0 6500 650 100 1800 SVC 431D-05A 5 9.0 0.1 400 754 5 100 SVC 431D-07A 7 20.0 0.25 1200 710 10 200 SVC 431D-10A 10 275 350 45.0 0.4 2500 430 387 473 710 25 400 SVC 431D-14A 14 75.0 0.6 4500 710 50 800 SVC 431D-20A 20 140.0 1.0 6500 710 100 1600 SVC 471D-05A 5 10.0 0.1 400 810 5 80 SVC 471D-07A 7 20.0 0.25 1200 775 10 170 SVC 471D-10A 10 300 385 45.0 0.4 2500 470 423 517 775 25 350 SVC 471D-14A 14 80.0 0.6 4500 775 50 700 SVC 471D-20A 20 150.0 1.0 6500 775 100 1400 XXXTBNXIBDPN DISC Ceramic Capacitors SVC Varistors Type
DISC Ceramic Capacitors SAMWHA CAPACITOR Co., Ltd. %JNFOTJPOT #5ZQF Maximum Ratings Applied Voltage RMS 50/60Hz (25 ) Dia (mm) Vacm (Volts) Vdcm (Volts) Wtm (Joules) Ptam (Watts) Itm (Amps) Vnom (Volts) Min.(Volts) Max.(Volts) Vc (Volts) Ip (Amps) f=1kHz (ʆ) Tolerance Chip Element Size DC (25 ) Energy Average Power Dissipation Peak ˟ Current (8/20ɫ) Nominal Varistor ˠ Peak Voltage Max. Clamping ˡ Voltage @ Test Current(8/20ɫ) Typical Capacitance Transient Characteristics Device Type SVC 561D-10A 10 45.0 0.4 2500 920 25 300 SVC 561D-14A 14 350 460 85.0 0.6 4500 560 504 616 920 50 600 SVC 561D-20A 20 150.0 1.0 8000 920 100 1200 SVC 621D-10A 10 45.0 0.4 2500 1025 25 270 SVC 621D-14A 14 385 550 85.0 0.6 4500 620 558 682 1025 50 550 SVC 621D-20A 20 150.0 1.0 8000 1025 100 1100 SVC 681D-10A 10 45.0 0.4 2500 1120 25 250 SVC 681D-14A 14 420 560 90.0 0.6 4500 680 612 748 1120 50 500 SVC 681D-20A 20 160.0 1.0 8000 1120 100 1000 SVC 751D-10A 10 50.0 0.4 2500 1240 25 220 SVC 751D-14A 14 460 615 100.0 0.6 4500 750 675 825 1240 50 450 SVC 751D-20A 20 175.0 1.0 8000 1240 100 900 SVC 781D-10A 10 50.0 0.4 2500 1290 25 220 SVC 781D-14A 14 485 640 105.0 0.6 4500 780 702 858 1290 50 440 SVC 781D-20A 20 180.0 1.0 6500 1290 100 880 SVC 821D-10A 10 55.0 0.4 2500 1355 25 210 SVC 821D-14A 14 510 670 110.0 0.6 4500 820 738 902 1355 50 420 SVC 821D-20A 20 190.0 1.0 6500 1355 100 840 SVC 911D-10A 10 60.0 0.4 2500 1500 25 180 SVC 911D-14A 14 550 745 120.0 0.6 4500 910 819 1001 1500 50 380 SVC 911D-20A 20 215.0 1.0 6500 1500 100 750 SVC 102D-10A 10 65.0 0.4 2500 1650 25 180 SVC 102D-14A 14 625 825 130.0 0.6 4500 1000 900 1100 1650 50 350 SVC 102D-20A 20 230.0 1.0 6500 1650 100 700 SVC 112D-10A 10 70.0 0.4 2500 1815 25 150 SVC 112D-14A 14 680 895 140.0 0.6 4500 1100 990 1210 1815 50 300 SVC 112D-20A 20 250.0 1.0 6500 1815 100 600 SVC 182D-14A 14 1000 1465 24.0 0.6 4500 1800 1620 1980 2970 50 200 SVC 182D-20A 20 400.0 1.0 6500 2970 100 400 Notes : ˝ The 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 times the Vacm. ˞ Energy : 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. ˟ Transient peak current(Itm) The peak current rating. Itm. of varistor is based on an 8/20 ɫ 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 once at 5 mimutes intervals. ˠ Nominal 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. ˡ Maximum clamping voltage : Vc Indicates the peak teminal voltage measured with an 8/20ɫ 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. 4USBJHIU5ZQF 'PSNJOH5ZQF Type T Max. D Max. H Max. L Min. F ʡd Type T Max. D Max. H Max. L Min. F ʡd "5ZQF Type T Max. D Max. H Max. L Min. F ʡd XXXTBNXIBDPN DISC Ceramic Capacitors SVC Varistors Type 6OJUNN
DISC Ceramic Capacitors SAMWHA CAPACITOR Co., Ltd. Char, Curves and Lifetime Item Code FS5 or FK5 FF9 Body Diameter D See page 119 Body Thickness T See page 119 Lead Diameter Pitch of sprocket Hole P 0 12.70.3 Pitch of Component P 6.35 1.3 25.4 1.0 Lead Length from Hole Center Lead P1 3.850.7 8.95 1.0 Lead Length from Hole P2 6.351.3 12.7 1.5Center to Component Center Lead Spacing F 5.0 7.5 1.0 Deviation Along Tape. Left or Right ǚS 0 1.0 Deviation Across Tape ǚh0 2.0 Carrier Tape Width W 18.0 Hold Down Tape Width W 0 5.0Min. 9.0Min. Position of Sprocket Hole W 1 9.00.5 Hole Down Tape Position W 2 3.0Max. Lead-Wire Clinch Height H 0 16.00.5 Height of Component Hole H 20.0 Component Height H 1 32.25Max. Diameter of Sprocket Hole ʡD0 4.00.2 Length of Snipped Lead L 11.0Max. Total Tape Thickness t 1 0.70.2 Total Thickness Tape and Lead Wire t2 1.5Max. 1.7Max. Length of Snipped Lead Lx 1.0Max. '45ZQF ',5ZQF ''5ZQF ''5ZQF ''5ZQF Item Code FF7 FF8 Body Diameter D See page 119 Body Thickness T See page 119 Lead Diameter ʡd 0.6-0.8 0.05 Pitch of sprocket Hole P 0 15.00.3 Pitch of Component P 15.0 0.3 30.0 1.0 Lead Length from Hole Center Lead P1 3.751.0 Lead Length from Hole P2 7.501.5 Center to Component Center Lead Spacing F 7.5 1.0 Deviation Along Tape. Left or Right ǚS 0 1.0 Deviation Across Tape ǚh0 2.0 Carrier Tape Width W 18.0 Hold Down Tape Width W 0 5.0Min. Position of Sprocket Hole W 1 9.00.5 Hole Down Tape Position W 2 3.0Max. Lead-Wire Clinch Height H 0 16.00.5 Height of Component Hole H 20.0 Component Height H 1 40.00Max. Diameter of Sprocket Hole ʡD0 4.00.2 Length of Snipped Lead L 11.0Max. Total Taps Thickness t 1 0.70.2 Total Thickness Tape and Lead Wire t2 1.7Max. Length of Snipped Lead Lx 1.0Max. 5SBOTJFOU7*$IBSBDUJD$VSWFT Current waveform under 10-2 A : DC over 10-1 A : 8/20ɫ 1VMTF-JGFUJNF3BUJOHT Notes : 2-pulse : 5-minute interval 3 to 10-pulse : 2-minute interval Up to 10 6 - pulse : 10-second interval 7PMUBHF 7 $VSSFOU " .BYDMBNQJOHWPMUBHF.BYJEMF DVSSFOU 47$%" 47$%" 47$%" 47$%" 47$%" 47$%" 47$%" 47$%" 47$%" 47$%" 47$%" 47$%" 47$%" 47$%" 47$%" 47$%" 47$%" 47$%" 47$%"47$%" 47$%" 47$%" 47$%" 47$%" XXXTBNXIBDPN DISC Ceramic Capacitors SVC Varistors Type Dimensions(mm) Dimensions(mm)
DISC Ceramic Capacitors SAMWHA CAPACITOR Co., Ltd. 5SBOTJFOU7*$IBSBDUFSJTUJD$VSWFT Current waveform under 10-2 A : DC over 10-1 A : 8/20ɫ 1VMTF-JGFUJNF3BUJOHT Notes : 2-pulse : 5-minute interval 3 to 10-pulse : 2-minute interval Up to 10 6-pulse : 10-second interval 5SBOTJFOU7*$IBSBDUFSJTUJD$VSWFT Current waveform under 10-2 A : DC over 10-1 A : 8/20ɫ .BYDMBNQJOHWPMUBHF.BYJEMFDVSSFOU 47$%# 47$%# 1VMTF-JGFUJNF3BUJOHT Notes : 2-pulse : 5-minute interval 3 to 10-pulse : 2-minute interval Up to 10 6-pulse : 10-second interval XXXTBNXIBDPN DISC Ceramic Capacitors SVC Varistors Type
DISC Ceramic Capacitors SAMWHA CAPACITOR Co., Ltd. 5SBOTJFOU7*$IBSBDUFSJTUJD$VSWFT Current waveform under 10-2 A : DC over 10-1 A : 8/20ɫ 1VMTF-JGFUJNF3BUJOHT Notes : 2-pulse : 5-minute interval 3 to 10-pulse : 2-minute interval Up to 10 6-pulse : 10-second interval QVMTF 5SBOTJFOU7*$IBSBDUFSJTUJD$VSWFT Current waveform under 10-2 A : DC over 10-1 A : 8/20ɫ 1VMTF-JGFUJNF3BUJOHT Notes : 2-pulse : 5-minute interval 3 to 10-pulse : 2-minute interval Up to 10 6-pulse : 10-second interval XXXTBNXIBDPN DISC Ceramic Capacitors SVC Varistors Type
DISC Ceramic Capacitors SAMWHA CAPACITOR Co., Ltd. 5SBOTJFOU7*$IBSBDUFSJTUJD$VSWFT Current waveform under 10-2 A : DC over 10-1 A : 8/20ɫ 1VMTF-JGFUJNF3BUJOHT Notes : 2-pulse : 5-minute interval 3 to 10-pulse : 2-minute interval Up to 10 6-pulse : 10-second interval 5SBOTJFOU7*$IBSBDUFSJTUJD$VSWFT Current waveform under 10-2 A : DC over 10-1 A : 8/20ɫ 1VMTF-JGFUJNF3BUJOHT Notes : 2-pulse : 5-minute interval 3 to 10-pulse : 2- minute interval Up to 10 6 -pulse : 10-second interval XXXTBNXIBDPN DISC Ceramic Capacitors SVC Varistors Type
DISC Ceramic Capacitors SAMWHA CAPACITOR Co., Ltd.
Applications
Power Supply Circuit Protection 䤎The Protection of semiconducting elements such as diodes, thyristors, transistors, IC and relays against transient Voltages. 䤎Similar protection of many types of measuring instruments, control machinery and communication equipment and broadcasting equipment against inductive lightning and switching surges. 䤎Protection of general purpose electrical equipment, domestic mechinery and appliances. TV and radios and similar consumer products against lightning and switching surges. -JOFDJSDVJU Varistor voltage selection table (ZL) Power Supply Voltage Type SVC201D -¤¤A 100V AC SVC221D -¤¤A SVC241D -¤¤A SVC271D -¤¤A* SVC391D -¤¤A 200V AC SVC431D - ¤¤A SVC471D -¤¤A* 12V DC SVC220D - ¤¤B 24V DC SVC390D - ¤¤B -JOFBOEHSPVEDJSDVJU Varistor voltage selection table(ZE) Power Supply Voltage Type 100V AC SVC431D - ¤¤A SVC471D -¤¤A 200V AC SVC751D - ¤¤A to SVC112D -¤¤A* SVC182D -¤¤A** Power Supply Voltage Type SVC180D -¤¤B 12V DC SVC220D - ¤¤B SVC820D -¤¤A 24V AC SVC390D -¤¤B SVC820D -¤¤A Notes : ˝ The power supply voltage must not exceed the maximum allowable circuit voltage. ˞ Since independent wiring loads and capacitive loads cause the voltage build-up at the time of opening or closing the load, use SVC having a varistor voltage as high as possible.(*mark) ˟ The bold faced portions of the type letters vary. "$%$ TJOHMFQIBTFDJSDVJU UISFFQIBTFDJSDVJU Notes : ˝ When 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* marked SVC. ˞ When subjected to dielectric strength test(1000V AC). remove the SVC or use** marked SVC. Select varistors taking a note of operating conditions peculiar to the equipment. Notes : The varistor SVC has a capacitance value. Take not of this when applying them to high-frequency signal circuits. "$%$ TJOHMFQIBTFDJSDVJU UISFFQIBTFDJSDVJU Telecommunication Circuit Protection Varistor voltage selection guied Power Supply Voltage Type 12V DC SVC220D - ¤¤B 24V DC SVC390D - ¤¤B 100V DC SVC151D - ¤¤A SVC201D -¤¤A 100V AC SVC221D -¤¤A SVC241D -¤¤A SVC271D -¤¤A Notes : ˝ The power supply voltage must not exceed the maximum allowable circuit voltage of the SVC ˞ Pay due attention to the surge energy generated by the load. ˟ Select SVC referring to the pulse lifetime rating. ˠ To further reduce the tendency of sparking across the contacts connect a capacitors parallel with the SVC. This will also protect the equipment from electromagnetic wave jamming. ˝ Connect the SVC at a position nearer to the equipment than the overcurrent protection device tǍu(fuse, MCCB) as is shown in the diagram. When the SVC is shorted, the overcurrent protection device tǍuoperates (trips or blow off the fuse). ˞ If the overcurrent protection devicetǍucan not be installed intǍuposition, connect a fuse at tǎuposition. Select fuse rated current for the SVC referring to the following table. ˟ When tZ 2uSVC is connected between the equipment and ground install an ELCB (Earth Leakage Circuit Breaker). If not possible, connect a fuse or thermal fuse at tǏuposition. *OTUBMMBUJPO ˝ When operated at location near heating element or exposed to direct sun light, confirm that the ambient temparature range. ˞ When 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 enclosure. .PMEJOH 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 $VSSFOU QPXFSBOEFOFSHZSBUJOHWT UFNQFSBUVSF &MFDUSJDBM$IBSBDUFSJTUJDT Switching Circuit Protection Application Notes 0WFSDVSSFOUQSPUFDUJPO Varistor voltage selection guide 1SPUFDUJPOPGSFMBZ $POUBDUDPJM 1SPUFDUJPOPG TFNJDPOEVDUPST When surges exceed the rating for the SVC, short-circuits or damages can be expected. Take following precautions. 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 15rated current(A) Operating ambient temperature 40to 85 Storage temperature 40to 125 Voltage temperatur coefficient 0.05% Insulation resistance(at500V) Over 1000 .ʃ XXXTBNXIBDPN DISC Ceramic Capacitors SVC Varistors Type
DISC Ceramic Capacitors SAMWHA CAPACITOR Co., Ltd. Standard Date Content Applicable SVC series File No. Cord connected and Direct 05Series, 07Series, 10Series UL 1449 04. 06. 02 Transient Voltage Plug in Type Equipment 14Series, 20Series E151195surge suppressors Pemanently connected 10Series, 14Series, type equipment 20Series Protectors for data UL 497B 02. 06 communication and fire SVC 180D - ¤~SVC 821D -¤ E154171 alarm circuirt C22.2 Varistor for Across NO.1-M 04. 08. 02 - The - Line use as transient 250V AC SVC 201D - ¤ ~ SVC 182D -¤ LR78923 1981 protection on 120Vac system 02. 05. 16 4000153 02. 05. 16 Surge Suppression 40001516 99. 08. 25 116012 ISO 9001:2000 94. 12. 15 ID03/0294 Recognized standards Application Exampel Varistor Terminology 7BSJTUPS7PMUBHF7OPN Varistor peak terminal voltage measured with a specified current applied The DC current applied is 1mA normally. $MBNQJOH7PMUBHF7D Maximum terminal voltage (peak voltage across the varistor) measured with an applied 8/20 ɫ impulse of a given peak current. UL CAS VDE 'JSF"MBSN4ZTUFN 5SBGGJD4JHOBM$POUSPM 4PMFOPME 4UPWF #PJMFS 7FOEJOH.BDIJOF #SBLF $MVUDI $POUFDU1SPUFDUJPO 5IZUJTUFS1SPUFDUJPO 57#PPTUFS .JDSPXBWF0WFO 5SJBD1SPUFDUJPO 4PVOE0VUQVU$JSDVJU XXXTBNXIBDPN DISC Ceramic Capacitors SVC Varistors Type SVC 180 - ¤-SVC 112D -
SAMWHA CAPACITOR Co., Ltd. $BQBDJUBODF Typical values measured at a test frequency of 1kHz 3BUFEQFBLUSBOTJFOUDVSSFOUJUN 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 ɫ impulse current applied two times at 5 minute interval. 3BUFEUSBOTJFOUFOFSHZ8UN Maximum allowable energy for a single impulse of 2ms square-wave current waveform with rated continuous voltage applied. Maximum energy rating base on a shift of Vnom of less than 10% of initial value. 1VMTFMJGFUJNFSBUJOH This is expressed as the maximum allowable number of impulse currents applied. 8/20 ɫ impulse current(or 2ms square wave) is applied at prescribed interval. This curve also provides for derating current as required with repetitive pulsing. 5FTUDVSSFOUXBWFGPSN Characteristics tests for Varistors are carried out by using 8/20ɫ test impulses Data such as the maximum clamping voltage(Vc)and the transient peak current(Itm) 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. 3BUFE3.47PMUBHF7BDN Maximum continuous sinusoidal RMS voltage at 50/60Hz which may be applied. 3BUFE%$7PMUBHF7EDN Maximum continuous DC voltage which may be applied. 3BUFEBWFSBHFQPXFSEJTTJQBUJPO1UBN Maximum average power that can be applied within the specified ambient temperature. XXXTBNXIBDPN DISC Ceramic Capacitors Surface Mount Disc Capacitors 4VSGBDF.PVOU%JTD$BQBDJUPST