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V250LA2P Datasheet(PDF) 1 Page - Littelfuse |
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V250LA2P Datasheet(HTML) 1 Page - Littelfuse |
1 / 13 page © 2014 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/12/14 Varistor Products Radial Lead Varistors > LA Series Description The LA Series of transient voltage surge suppressors are radial leaded varistors (MOVs) that are designed to be operated continuously across AC power lines. These UL recognized varistors require very little mounting space, and are offered in various standard lead form options. The LA Series varistors are available in four model sizes: 7mm, 10mm, 14mm and 20mm; and have a V M(AC)RMS voltage range from 130V to 1000V, and an energy absorption capability up to 360J. Some LA Series model numbers are available with clamping voltage selections, designated by a model number suffix of either A or B. The 'A' selection is the standard model; the 'B' selection provides a lower clamping voltage. See LA Series Device Ratings and Specifications Table for part number and brand information. Features • Lead–free, Halogen- Free and RoHS compliant. • Energy absorption capability (W TM) up to 360J • Wide operating voltage range V M(AC)RMS 130V to 1000V • No derating up to 85ºC ambient • Available in tape and reel or bulk pack Agency Approvals Absolute Maximum Ratings • For ratings of individual members of a series, see Device Ratings and Specifications chart Agency Approval Agency File Number UL1449 E320116 CECC 42201-006 IEC 61051-1 IEC 61051-2 IEC 60950-1 (Annex Q) for 14mm and 20mm only 116895 CSA 2221 01 LR91788 CECC 42201-006 IEC 61051-1 IEC 61051-2 IEC 60950-1 (Annex Q) for 14mm and 20mm only E1273/F Continuous LA Series Units Steady State Applied Voltage: AC Voltage Range (V M(AC)RMS) 130 to 1000 V DC Voltage Range (V M(DC)) 175 to 1200 V Transients: Peak Pulse Current (I TM) For 8/20µs Current Wave (See Figure 2) 1200 to 6500 A Single Pulse Energy Range For 10/1000µs Current Wave (W TM) 11 to 360 J Operating Ambient Temperature Range (T A) -55 to +85 O C Storage Temperature Range (T STG) -55 to +125 O C Temperature Coefficient (aV) of Clamping Voltage (V C) at Specified Test Current <0.01 %/OC Hi-Pot Encapsulation (COATING Isolation Voltage Capability) (Dielectric must withstand indicated DC voltage for one minute per MIL-STD 202, Method 301) 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. LA Varistor Series RoHS Additional Information Datasheet Samples Resources |
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