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Technical content

Features

  • Lead-Free, Halogen- Free and RoHS Compliant
  • Wide operating voltage range V M(AC)RMS 110V to 750V
  • High–energy absorption capability WTM = 220J to 1050J
  • High peak pulse current (Each of two discs placed in parallel) capability I TM = 40,000A
  • Rigid terminals for secure through-hole solder mounting
  • No derating up to 85ºC ambient
  • Dual Disc Device - two 34mm varistor discs in parallel in a single package. Agency Approvals Absolute Maximum Ratings
  • For ratings of individual members of a series, see Device Ratings and Specifications chart Agency Agency Approval Agency File Number UL1449 E320116 22.2-1 91788 Continuous DHB34 Series Units Steady State Applied Voltage: AC Voltage Range (VM(AC)RMS) 110 to 750 V DC Voltage Range (VM(DC)) 148 to 970 V Transients: Peak Pulse Current (ITM) For 8/20µs Current Wave (See Figure 2) 40000 A Single Pulse Energy Range For 2ms Current Wave (WTM) 220 to 1050 J Operating Ambient Temperature Range (TA) -55 to + 85 ºC Storage Temperature Range (TSTG) -55 to + 125 ºC Temperature Coefficient (aV) of Clamping Voltage (VC) at Specified Test Current <0.01 %/ºC Hi-Pot Encapsulation (COATING Isolation Voltage Capability) 2500 V COATING Insulation Resistance 1000 MΩ CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. RoHS Additional Information Datasheet SamplesResources

© 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 09/14/17 Metal-Oxide Varistors (MOVs) Industrial High Energy Terminal Varistors > DHB34 Series DHB34 Series Ratings & Specifications Lead–free and RoHS Compliant Models Model Size Disc Dia. (mm) Maximum Rating (85°C) Specifications (25°C) Continuous Transient Varistor Voltage at 1mA DC Test Current Maximum Clamping Voltage VC at 200A Current (8/20µs) Typical Capaci- tanceVRMS VDC Energy (2ms) Peak Current 8 x 20µs Part Number VM(AC) VM(DC) WTM ITM Min VN(DC) Max VC f = 1MHz (V) (V) (J) (A) (V) (V) (V) (V) (pF) V111DHB34 34 110 148 220 40,0001 156 173 190 288 11,600 V131DHB34 34 130 175 270 40,0002 184.5 205 225.5 345 10,000 V141DHB34 34 140 188 291 40,0003 198 220 242 375 9,000 V151DHB34 34 150 200 300 40,0004 216 240 264 405 8,000 V181DHB34 34 180 240 330 40,000 254 282 310 468 6,800 V201DHB34 34 200 265 350 40,000 283 314 345 533 6,350 V251DHB34 34 250 330 370 40,000 351 390 429 650 5,000 V271DHB34 34 275 369 400 40,000 387 430 473 730 4,500 V301DHB34 34 300 410 430 40,000 423 470 517 780 4,100 V321DHB34 34 320 420 460 40,000 459 510 561 830 3,800 V331DHB34 34 330 435 475 40,000 467 518.5 570 843 3,750 V351DHB34 34 350 460 500 40,000 495 549.5 604 894 3,600 V391DHB34 34 385 510 550 40,000 545 604 663 1,000 3,500 V421DHB34 34 420 560 600 40,000 612 680 7 48 1,130 3,000 V441DHB34 34 440 585 630 40,000 622 690 758 1,147 2,900 V481DHB34 34 480 640 650 40,000 675 750 825 1,240 2,700 V511DHB34 34 510 675 700 40,000 738 820 902 1,350 2,500 V551DHB34 34 550 710 755 40,000 778 863.5 949 1,404 2,390 V571DHB34 34 575 730 770 40,000 819 910 1001 1,480 2,200 V661DHB34 34 660 850 900 40,000 945 1050 1155 1,720 2,000 V681DHB34 34 680 875 925 40,000 962 1067 .5 1173 1,777 1,900 V751DHB34 34 750 970 1050 40,000 1080 1200 1320 2,000 1,800 Note: 1 . 40kA capability depends on applications rated up to 97VRMS. 30kA applies if > 97 VRMS. 2. 40kA capability depends on applications rated up to 115VRMS. 30kA applies if > 115 VRMS. 3. 40kA capability depends on applications rated up to 123VRMS. 30kA applies if > 123 VRMS. 4. 40kA capability depends on applications rated up to 132VRMS. 30kA applies if > 132 VRMS.

© 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 09/14/17 Metal-Oxide Varistors (MOVs) Industrial High Energy Terminal Varistors > DHB34 Series Reflow Condition Pb – Free assembly Pre Heat - Temperature Min (Ts(min)) 150°C - Temperature Max (Ts(max)) 200°C - Time (min to max) (ts) 60 – 180 secs Average ramp up–rate (Liquidus Temp (TL) to peak 5°C/second max TS(max) to TL - Ramp-up Rate 5°C/second max Reflow - Temperature (TL) (Liquidus) 217°C - Temperature (tL) 60 – 150 seconds Peak Temperature (TP) 250+0/-5 °C Time within 5°C of actual peak Temperature (tp) 20 – 40 seconds Ramp-down Rate 5°C/second max Time 25°C to peak Temperature (TP) 8 minutes Max. Do not exceed 260°C Soldering Parameters Operating/Storage T emperature -55°C to +85°C/-55°C to +125°C Humidity Aging +85°C, 85% RH, 1000 hours +/-10% Voltage change Thermal Shock +85°C to -40°C 5 times +/-10% Voltage change Solvent Resistance MIL–STD–202, Method 215 Moisture Sensitivity Level 1, J-STD-020 Lead Material Tin–coated Copper Soldering Characteristics Solderability per MIL–STD–202, Method 208 Insulating Material Cured, flame retardant epoxy polymer meets UL94V–0 requirements. Device Labeling Marked with LF , voltage, amperage rating, and date code. Physical Specifications Environmental Specifications Lead–free ProfileNon Lead–free Profile 100 150 200 250 300 00 .5 11 .5 22 .5 33 .5 4 TIME(MINUTES) TEMPERATURE (ºC) Maximum Wave 240C 100 150 200 250 300 00 .5 11 .5 22 .5 33 .5 4 TIME(MINUTES) TEMPERATURE (ºC) Maximum Wave 260C Figure 5 Figure 6

© 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 09/14/17 Metal-Oxide Varistors (MOVs) Industrial High Energy Terminal Varistors > DHB34 Series Dimensions (mm) Dia 3.81 +/- 0.08 DHB Series Dimensions 7.06 +/- 0.2 0.51 typ 12.7 typ 3.7 typ 56 max T max 25.4 +/- 0.5 37.5 max AB C Terminals Configuration MOV1 MOV2 Part Numbering System VARISTOR DESIGNATOR MAX ACRMS WORKING VOLTAGE (FIRST SIGNIFICANT DIGITS) VM(AC) DISC SIZE (mm) SERIES DESIGNATOR VM(AC) VOLTAGE DECADE MULTIPLIER V 13 1DHB 34 NOTES: - T erminals Configuration: Terminals A & B are connected to one varistor element. Terminals B & C connected to second varistor element. - Dimensions: Measures are in mm is typical, unless otherwise specified. Part Type T Max S1 +/- 1.15 mm S2 +/- 2.30mm V111DHB34 7. 6 2.65 5.50 V131DHB34 7. 8 2.85 5.70 V141DHB34 8.2 3.00 6.00 V151DHB34 8.8 3.15 6.30 V181DHB34 9.0 3.25 6.50 V201DHB34 9.2 3.35 6.70 V251DHB34 9.10 3.00 6.00 V271DHB34 9.55 3.25 6.50 V301DHB34 10.20 3.50 7. 0 0 V321DHB34 10.60 3.66 7 .24 V331DHB34 10.65 3.70 7 .40 V351DHB34 10.5 4.10 8.20 V391DHB34 11. 2 4.45 8.90 V421DHB34 12.65 4.50 9.00 V441DHB34 12.80 4.55 9.10 V481DHB34 13.55 4.80 9.60 V511DHB34 13.4 5.25 10.50 V551DHB34 14.6 5.70 11 .40 V571DHB34 14.8 5.80 11 .60 V661DHB34 17 .20 6.65 13.30 V681DHB34 1 7. 5 7. 0 0 14.00 V751DHB34 18.20 7 .35 14.70 T able of Dimensions - Thickness and T erminal Offsets Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics.