Maker : Littelfuse
Part No. : V151HAxx

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Product Information

Varistor Products High Energy Industrial HA Varistor Series HA Series transient surge suppressors are industrial high energy metal-oxide varistors (MOVs). They are designed to provide secondary surge protection in the outdoor and service entrance environment (distribution panels) of buildings, and also in industrial applications for motor controls and power supplies used in the oil-drilling, mining, and transportation fields. The design of the HA Series of metal oxide varistors provide rigid terminals for screw www.DataSheet4U.com mounting. Also available in a clipped lead version for through hole board placement or to accommodate soldered leads designation “HC”. See Ratings and Specifications table for part number and brand information. ® ® Features • Wide Operating Voltage Range VM(AC)RMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110V to 750V • Two Disc Sizes Available . . . . . . . . . . . . . . . . . . . . . 32mm and 40mm • High Energy Absorption Capability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .WTM = 170J to 1050J • High Peak Pulse Current Capability,. . . . . . . . . . . . . . . . . . . . . . . . . . .ITM = 25,000A to 40,000A • Rigid Terminals for Secure Mounting • Available in Trimmed Version for Through Hole Board Mounting Designation “HC” • No Derating Up to 85oC Ambient AGENCY APPROVALS: Recognized under the components program of Underwriters Laboratories. Certified by CSA. AGENCY FILE NUMBERS: UL E75961, CSA LR91788. ALSO SEE HB34 SERIES 90 w w w. l i t t e l f u s e . c o m Varistor Products High Energy Industrial HA Varistor Series Absolute Maximum Ratings For ratings of individual members of a series, see Device Ratings and Specifications Chart Continuous: HA SERIES Steady State Applied Voltage: AC Voltage Range (VM(AC)RMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 to 750 DC Voltage Range (VM(DC)) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 to 970 Transient: Peak Pulse Current (ITM) www.DataSheet4U.com Current Wave (See Figure 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25,000 to 40,000 For 8/20µs Single Pulse Energy Range For 2ms Current Square Wave (WTM ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170 to 1050 Operating Ambient Temperature Range (TA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 85 Storage Temperature Range (TSTG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 125 Temperature Coefficient (αV) of Clamping Voltage (VC) at Specified Test Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <0.01 Hi-Pot Encapsulation (Isolation Voltage Capability). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2500 (Dielectric must withstand indicated DC voltage for one minute per MIL-STD 202, Method 301) UNITS V V 2 VARISTOR PRODUCTS A J C o C %/oC V o Insulation Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000M Ω 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. Device Ratings...

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