Metal-Oxide Varistors (MOVs) Industrial High Energy Terminal Varistors > DHB34 Series DHB34 Varistor Series RoHS Description The DHB34 Series of transient surge suppressors is comprised of two industrial high-energy Metal-Oxide Varistors (MOVs) discs placed in parallel as a single device. They are designed to provide surge suppression in the AC mains outdoor and service entrance environment (distribution panels) of buildings. DHB34 applications also include industrial heavy motors, controls, and power supplies such as used in the oil-drilling, mining, and transportation fields, including HVAC and motor/generator applications. The DHB34 Series provides rigid terminals for throughhole solder mounting on printed circuit boards, thereby eliminating the need for screw mounting. Agency Approvals Agency Agency Approval Agency File Number UL1449 E320116 22.2-1 91788 Additional Information Datasheet Resources Samples Features •Lead-Free, HalogenFree and RoHS Compliant • Rigid terminals for secure through-hole solder mounting • Wide operating voltage range • No derating up to 85ºC ambient VM(AC)RMS 110V to 750V • Dual Disc Device two 34mm varistor discs in parallel in a single package. • High–energy absorption capability WTM = 220J to 1050J • High peak pulse current (Each of two discs placed in parallel) capability ITM = 40,000A Absolute Maximum Ratings • For ratings of individual members of a series, see Device Ratings and Specifications chart Continuous DHB34 Series Units AC Voltage Range (VM(AC)RMS) 110 to 750 V DC Voltage Range (VM(DC)) 148 to 970 V 40000 A Steady State Applied Voltage: Transients: Peak Pulse Current (ITM) For 8/20µs Current Wave (See Figure 2) Single Pulse Energy Range 220 to 1050 J Operating Ambient Temperature Range (TA) For 2ms Current Wave (WTM) -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. © 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 Maximum Rating (85°C) Lead–free Model and RoHS Size Compliant Models Disc Dia. (mm) Part Number Continuous Specifications (25°C) Transient Peak Current 8 x 20µs Varistor Voltage at 1mA DC Test Current Maximum Clamping Voltage VC at 200A Current (8/20µs) Typical Capacitance VRMS VDC Energy (2ms) VM(AC) VM(DC) WTM ITM Min VN(DC) Max VC f = 1MHz V111DHB34 34 (V) 110 (V) 148 (J) 220 (A) 40,0001 (V) 156 (V) 173 (V) 190 (V) 288 (pF) 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 4 40,000 216 240 264 405 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 40,000 612 680 748 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 Power Dissipation Ratings PERCENT OF PEAK VALUE Peak Pulse Current Test Waveform 100 90 50 10 O1 T T1 O1 = Virtual Origin of Wave T = Time From 10% to 90% of Peak 01 = Virtual ofFront Wavetime = 1.25 • t T1 =Origin Virtual T = Time from 10% to 90% of Peak T2 = Virtual Time to Half Value (Impulse Duration) T1 = Rise Time =For 1.25 T Example: anx8/20µs Current Waveform: 8 s =Time T1 = Virtual Front Time T2 = Decay = Virtual to Half Value 20 s- = T2an Example For 8/20 µsTime Current Waveform: Should transients occur in rapid succession, the average power 100 dissipation result is simply the energy (watt-seconds) per pulse times the number of pulses per second. The power so developed must be within the specifications shown on the Device Ratings and Specifications table for the specific device. The operating values must be derated as shown in above. 8µs = T1 = Rise Time FIGURE PULSE CURRENT TEST WAVEFORM 20µs2.=PEAK T2 = Decay Time Repetitive Surge Capability Maximum Clamping Voltage 10000 50,000 TA = -55 C to 85C Maximum Clamping Voltage DHB34 Series 110 to 750V AC Rating 20,000 10,000 V751 V511 V551 V681 V571 1000 V481 V141 V131 V111 V441 SURGE CURRENT (A) V661 0.01 0.1 1 10 100 1000 10000 10 2 2,000 10 3 1,000 500 V391 V351 V331 V321 V301 V271 V251 V201 V181 DISC SIZE 34mm V131DHB34 - V751DHB34 1 10 5 10 6 10 4 200 100 50 20 100000 10 Current - AMPS Figure 3 2 10 5,000 V151 V421 100 0.001 T2 Figure 2 Figure 1 Voltage VOLTS TIME Figure 4 INDEFINITE 20 100 1,000 10,000 IMPULSE DURATION ( µs) FIGURE 4. SURGE CURRENT RATING CURVES FOR V131DHB34 V751DHB34 NOTE: If pulse ratings are exceeded, a- shift of VN(DC) (at specified current) of more than +/-10% could result. This type of shift, which normally results in a decrease of VN(DC), may result in the device not meeting the original published specifications, but it does not prevent the device from continuing to function, and to provide ample protection. © 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 Soldering Parameters Lead–free Profile Non Lead–free Profile 300 300 250 TEMPERATURE (ºC) 250 TEMPERATURE (ºC) Maximum Wave 260C Maximum Wave 240C 200 150 100 100 0 0 0 0.5 1 1.5 Figure 5 2 2.5 3 3.5 0 4 0.5 1 1.5 Figure 6 TIME(MINUTES) Reflow Condition Pb – Free assembly - 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 150 50 50 Pre Heat 200 - 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 2 2.5 3 3.5 4 TIME(MINUTES) Physical Specifications 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. Environmental Specifications Operating/Storage Temperature -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 © 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) Table of Dimensions - Thickness and Terminal Offsets T max 37.5 max 56 max 12.7 typ 3.7 typ Dia 3.81 +/- 0.08 25.4 +/- 0.5 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 Series 3.35 6.70 3.00 6.00 3.25 6.50 7.00 V251DHB34 S1 V271DHB34 S2 0.51 typ DHB 9.10 Dimensions 9.55 V301DHB34 10.20 3.50 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 - Terminals Configuration: Terminals A & B are connected to one varistor element. Terminals B & C connected to second varistor element. V441DHB34 12.80 4.55 9.10 V481DHB34 13.55 4.80 9.60 V511DHB34 13.4 5.25 10.50 - Dimensions: Measures are in mm is typical, unless otherwise specified. V551DHB34 14.6 5.70 11.40 V571DHB34 14.8 5.80 11.60 V661DHB34 17.20 6.65 13.30 V681DHB34 17.5 7.00 14.00 V751DHB34 18.20 7.35 14.70 B A C Terminals Configuration 7.06 +/- 0.2 MOV1 MOV2 NOTES: Part Numbering System V 13 1DHB 34 VARISTOR DESIGNATOR MAX AC RMS WORKING VOLTAGE (FIRST SIGNIFICANT DIGITS) V M(AC) DISC SIZE (mm) SERIES DESIGNATOR VM(AC) VOLTAGE DECADE MULTIPLIER 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. © 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 09/14/17