V18MA1A

V18MA1A LITTELFUSE | Alldatasheet

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range: V M(AC)RMS 9V to 264V VM(DC) 13V to 365V t "WBJMBCMFJOUBQFBOE reel or bulk packaging t /PEFSBUJOHVQUP 85ºC ambient t /FXCMBDLFQPYZPGGFST improved performance for high temperature Lead-free wave soldering process. Absolute Maximum Ratings 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. Continuous MA Series Units Steady State Applied Voltage: AC Voltage Range (V M(AC)RMS) 9 to 264 V DC Voltage Range (V M(DC)) 13 to 365 V Transient: Peak Pulse Current (ITM) For 8/20 μs Current Wave(See Figure 2) 40 to 100 A Single-Pulse Energy Range For 2ms Current Square Wave (W TM) 0.06 to 1 .7 J Operating Ambient Temperature Range (TA) -55 to +85 °C Storage Temperature Range (TSTG) -55 to +125 °C Temperature Coefficient (αV) of Clamping Voltage (VC) at Specified Test Current <0.01 %/°C Hi-Pot Encapsulation (COATING Isolation Voltage Capability) Dielectric must withstand indicated DC voltage for one minute per MIL -STD 202, Method 301) 1000 V COATING Insulation Resistance 1000 MΩ t'PSSBUJOHTPGJOEJWJEVBMNFNCFSTPGBTFSJFT TFF%FWJDF3BUJOHTBOE4QFDJmDBUJPOTDIBSU MA Varistor SeriesRoHS Agency Approvals Agency Agency File Number None

©2008 Littelfuse, Inc. Revision: January 9, 2009 MA Varistor Series Axial Lead / Application Specific Varistors > MA Series Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/ma.html for current information. MA Series Ratings & Specifications Part Number Brand (mm) Maximum Rating (85°C) Specifications (25°C) Continuous Transient Varistor Voltage at 1mA DC Test Current Max Clamping Volt VC at 2.0A (8/20μs) Typical Capacitance VRMS VDC Energy (10/1000μs) Peak Current (8/20μs) VM(AC) VM(DC) WTM I TM Min V N(DC) Max V C f = 1MHz (V) (V) (J) (A) (V) (V) (V) (A) (pF) V18MA1A V18MA1A V18MA1A 18A 18B 18C 0.06 0.07 0.06 550 550 550 V22MA1A V22MA1B V22MA1S 22A 22B 22S 0.09 0.10 0.09 410 410 410 V27MA1A V27MA1B V27MA1S 27A 27B 27S 0.10 0.11 0.10 370 370 370 V33MA1A V33MA1B V33MA1S 33A 33B 33S 0.13 0.15 0.14 29.5 29.5 36.5 36.5 300 300 300 V39MA2A V39MA2B V39MA2S 39A 39B 39S 0.16 0.18 0.17 250 250 250 V47MA2A V47MA2B V47MA2S 47A 47B 47S 0.19 0.21 0.19 210 210 210 V56MA2A V56MA2B V56MA2S 56A 56B 56S 0.23 0.25 0.23 117 108 117 180 180 180 V68MA3A V68MA3B V68MA3S 68A 68B 68S 0.26 0.30 0.27 138 127 138 150 150 150 V82MA3A V82MA3B V82MA3S 82A 82B 82S 0.33 0.37 0.34 163 150 163 120 120 120 V100MA4A V100MA4B V100MA4S 100 101 102 0.40 0.45 0.42 100 100 100 120 110 110 200 185 200 100 100 100 V120MA1A V120MA2B V120MA2S 120 121 122 101 101 0.40 0.50 0.46 100 100 100 102 108 108 120 120 120 138 132 132 220 205 220 V150MA1A V150MA2B 150 151 121 127 0.50 0.60 100 100 127 135 150 150 173 165 255 240 V180MA1A V180MA3B 180 181 105 110 144 152 0.60 0.70 100 100 153 162 180 180 207 198 310 290 V220MA2A V220MA4B 220 221 132 138 181 191 0.80 0.90 100 100 187 198 220 220 253 242 380 360 V270MA2A V270MA4B 270 271 163 171 224 235 0.90 1. 0 0 100 100 229 243 270 270 311 297 460 440 V330MA2A V330MA5B 330 331 188 200 257 27 4 1. 0 0 1. 10 100 100 280 297 330 330 380 363 570 540 V390MA3A V390MA6B 390 391 234 242 322 334 1 .20 1 .30 100 100 331 351 390 390 449 429 670 640 V430MA3A V430MA7B 430 431 253 264 349 365 1 .50 1 .70 100 100 365 387 430 430 495 473 74 0 700 NOTE: Average power dissipation of transients not to exceed 200mW.

©2008 Littelfuse, Inc. Revision: January 9, 2009 MA Varistor Series Axial Lead / Application Specific Varistors > MA Series Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/ma.html for current information. 4,000 3,000 2,000 1,000900800700600 500 400 300 200 100 10-3 10-2 10-1 100 101 102 103 PEAK AMPERES (A) V430MA7B V390MA6B V330MA5B V270MA4B V220MA4B V180MA3B V150MA2B V120MA2B MAXIMUM CLAMPING VOLTAGE DISC SIZE 3mm

120 TO 430VN(DC) RATING

TA = -55oC TO 85oC MAXIMUM PEAK VOLTS (V) V120MA2B - V430MA7B 600 500 400 300 200 100908070 MAXIMUM PEAK VOLTS (V) 10-3 PEAK AMPERES (A) 10-2 10-1 100 101 102 103 V33MA1B V27MA1B V22MA1B V100MA4B V82MA3B V68MA3B V18MA1B MAX CLAMPING VOLTAGE DISC SIZE 3mm

18 TO 100VN(DC) RATING

TA = -55oC TO 85oC V47MA2B V56MA2B V39MA2B V18MA1B - V100MA4B Maximum Clamping Voltage 10-2 10-1 100 101 102 MAXIMUM PEAK VOLTS (V) PEAK AMPERES (A) MAX CLAMPING VOLTAGE DISC SIZE 3mm TA = -55oC TO 85oC 4,000 2,000 1,500 1,000 800 600 400 200 100 V430MA3A V390MA3A V330MA2A V270MA2A V220MA2A V180MA1A V150MA1A V120MA1A/S V120MA1A/S - V430MA3A 800 600 400 300 200 150 100 10-2 10-1 100 101 102 MAXIMUM PEAK VOLTS (V) V100MA4A/S V82MA3A/S V68MA3A/S V56MA2A/S V39MA2A/S V33MA1A/S V27MA1A/S V22MA1A/S V18MA1A/S PEAK AMPERES (A) MAX CLAMPING VOLTAGE DISC SIZE 3mm TA = -55oC TO 85oC V47MA2A/S V18MA1A/S - V100MA4A/S Figure 5 Figure 6 Figure 7 Figure 8

Revision: January 9, 2009 ©2008 Littelfuse, Inc. MA Varistor Series Axial Lead / Application Specific Varistors > MA Series Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/ma.html for current information. MA Series Product Dimensions LL Hb (diameter) D Symbol Inches Millimeters Min Max Min Max Øb 0.024 0.026 0.61 0.66 ØD 0.118 0.177 3.0 4.5 H 0.177 0.276 4.5 7 .0 L 1 .7 40 1 .220 27 .3 31 .0 Typical Weight = 0.5g Operating/Storage T emperature -40°C to +85°C Passive Aging +85°C, 1000 hours +/-10% typical voltage change Humidity Aging +85°C, 85% RH, 1000 hours +/-10% typical voltage change Thermal Shock +85°C to -40°C 5 times +/-10% typical voltage change Solvent Resistance MIL–STD–202, Method 215F Moisture Sensitivity Level 1, J–STD–020C Lead Material Tin–plated Copper clad steel Soldering Characteristics Solderability per MIL–STD–202, Method 208E Insulating Material Cured, flame retardant epoxy polymer meets UL94V–0 requirements Device Labeling Marked with LF , voltage and date code Physical Specifications Environmental Specifications T ape and Reel Dimensions H1 = H2 +/- 0.040” H1 H2 0.240”+/- 0.040 2.062”+/- 0.059 2.681” max 0.063” max Conforms to EIA Standard RS-296-E 0.080” max 0.200” +/- 0.02 Part Numbering System VARISTOR VOLTAGE (VN at 1mA) ENERGY/CLAMPING VOLTAGE VARIANT SERIES DESIGNATOR MA: Bulk Pack MT : Tape and Reel V XXX MA XX VARISTOR Wave Solder Profile 100 150 200 250 300 00 . 511 . 522 . 533 . 54 TIME(MINUTES) TEMPERATURE (ºC) Maximum Wave 240C Lead–free Profile 100 150 200 250 300 00 . 511 . 522 . 533 . 54 TIME(MINUTES) TEMPERATURE (ºC) Maximum Wave 260C Non Lead–free Profile Figure 9 Figure 10