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Vishay General Semiconductor - Diodes Division 1.5KE82CAHE3_A/D — Circuit Protection
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RoHS Compliant · Lead-Free EIA-481 Standard
Vishay General Semiconductor - Diodes Division / Circuit Protection

1.5KE82CAHE3_A/D Vishay TVS Diode, 1500W, 70.1V Standoff

MPN 1.5KE82CAHE3_A/D
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Vishay General Semiconductor - Diodes Division, Automotive AEC-Q101 TransZorb®, bidirectional Zener TVS diode, 1.5KE82CAHE3_A/D, 1500W peak pulse, 70.1V standoff, 113V clamping, DO-201AA axial through-hole.

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Full Technical Specifications

14 Parameters
1.5KE82CAHE3_A/D specifications
Parameter / AttributeSpecification / Value
TypeZener
SeriesAutomotive, AEC-Q101, TransZorb®
MountingThrough Hole
Voltage - breakdown77.9V
Voltage - clamping (Max) @ ipp113V
Voltage - reverse standoff70.1V
Current - peak pulse (10/1000μs)13.3A
Power - peak pulse1500W (1.5kW)
Power line protectionNo
Operating temperature-55°C~175°C(TJ)
PackageTape & Box (TB)
ApplicationsAutomotive
CaseDO-201AA, DO-27, Axial
Bidirectional channels1
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Technical Details & Description

Automotive-grade transient suppression for 70 V rails

The 1.5KE82CAHE3_A/D is a bidirectional TransZorb® TVS diode from Vishay's automotive-qualified series, designed to clamp transients on 70.1 V nominal rails in 12 V, 24 V, and 48 V automotive systems where load-dump and inductive kickback are present.

Clamping voltage and breakdown margins

The 70.1 V reverse standoff voltage means it conducts negligible leakage below that threshold, keeping the protected rail clean during normal operation.

Package and assembly integration

Housed in the DO-201AA (DO-27) axial-lead through-hole package, the device is wave-solder compatible and mounts through a single drilled hole per lead, with the body standing off from the board for convective cooling. The axial form factor suits point-to-point wiring in power distribution boxes or hybrid relay panels where surface-mount parts would risk solder-joint fatigue under vibration.

Frequently asked questions

What is the clamping performance of this TVS diode?

It clamps at 113 V maximum when conducting 13.3 A of peak pulse current (10/1000 µs waveform). The breakdown voltage starts at 77.9 V minimum, so the device triggers well before the 113 V ceiling.

What compliance documentation does Vishay provide for this part?

AEC-Q101 qualification documentation and PPAP files are available from Vishay for this automotive-grade series. RoHS and REACH compliance status is standard for the TransZorb® product line.

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