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Taiwan Semiconductor Corporation 1.5KE250AHA0G — Circuit Protection
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Taiwan Semiconductor Corporation / Circuit Protection

1.5KE250AHA0G TVS Diode, 1.5kW, 214V, DO-201, AEC-Q101

MPN 1.5KE250AHA0G
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Taiwan Semiconductor Corporation 1.5KE series automotive TVS diode, Type Zener, 1.5KE250AHA0G, 1500W peak pulse power, 214V reverse standoff, 344V clamping, DO-201AA axial, AEC-Q101 qualified.

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100% Original Sealed 45x Microscope QC 30-Day Warranty · COC USD T/T & PI · DAP/DDP

Full Technical Specifications

15 Parameters
1.5KE250AHA0G specifications
Parameter / AttributeSpecification / Value
TypeZener
Series1.5KE
MountingThrough Hole
Voltage - breakdown237V
Voltage - clamping (Max) @ ipp344V
Voltage - reverse standoff214V
Current - peak pulse (10/1000μs)4.5A
Power - peak pulse1500W (1.5kW)
Power line protectionNo
Operating temperature-55°C ~ 175°C (TJ)
GradeAutomotive
PackageTape & Box (TB)
QualificationAEC-Q101
CaseDO-201AA, DO-27, Axial
Unidirectional channels1
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Technical Details & Description

Automotive TVS for 24V bus protection

The 1.5KE250AHA0G is a 1500W unidirectional TVS diode from Taiwan Semiconductor's 1.5KE series, designed to clamp transients on 24V nominal automotive power rails. With a 214V reverse standoff voltage and 237V minimum breakdown, it sits above the normal operating range of a 24V system and triggers only on load-dump or inductive kickback events.

DO-201 axial package and board integration

Through-hole DO-201AA (DO-27) axial package — the leads are formed for through-hole insertion, and the body diameter is sized for the 1.5kW dissipation without exceeding the lead temperature rating. The axial lead form factor allows the diode to be mounted standing off the board or flush, depending on the lead-bend profile used in the assembly.

Frequently asked questions

What automotive qualification does 1.5KE250AHA0G carry?

AEC-Q101 qualified, which covers the stress tests and reliability screening required for automotive-grade discrete semiconductors used in ECU, sensor, and power distribution applications.

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