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Taiwan Semiconductor Corporation 1.5KE30A R0G — Circuit Protection
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Taiwan Semiconductor Corporation / Circuit Protection

TSC 1.5KE30A R0G TVS Diode, 1.5 kW, 25.6 V Standoff

MPN 1.5KE30A R0G
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Taiwan Semiconductor 1.5KE series Zener TVS diode, 1.5KE30A R0G, unidirectional, 1500W peak pulse power, 25.6V reverse standoff, DO-201AA axial through-hole, Tape & Reel.

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

Full Technical Specifications

14 Parameters
1.5KE30A R0G specifications
Parameter / AttributeSpecification / Value
TypeZener
Series1.5KE
MountingThrough Hole
Voltage - breakdown28.5V
Voltage - clamping (Max) @ ipp41.4V
Voltage - reverse standoff25.6V
Current - peak pulse (10/1000μs)38A
Power - peak pulse1500W (1.5kW)
Power line protectionNo
Operating temperature-55°C~175°C(TJ)
PackageTape & Reel (TR)
ApplicationsGeneral Purpose
CaseDO-201AA, DO-27, Axial
Unidirectional channels1
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Technical Details & Description

Peak pulse power and clamping profile

The 1.5KE30A R0G: For a 24 V rail, the 25.6 V reverse standoff voltage sits comfortably above the nominal bus voltage, so the diode stays out of the circuit during normal operation and only conducts when a transient pushes the line above its 28.5 V minimum breakdown threshold. This is a unidirectional device — the cathode band on the DO-201 package marks the grounded side. Bidirectional protection requires two diodes or a different part number from the same series.

Rated for junction temperatures from -55 °C to 175 °C, this TVS covers the full industrial and automotive under-hood thermal profile. The wide operating range means it can be placed on a hot PCB near a switching regulator or in an outdoor enclosure without derating concerns.

For BOM planning, the base product number 1.5KE30 covers the full family, with the R0G suffix denoting Tape & Reel packaging.

Frequently asked questions

Where can I buy 1.5KE30A R0G and check availability?

Sourced through independent distribution channels against an RFQ.

What is the 1.5KE30A R0G's clamping voltage at peak pulse current?

The maximum clamping voltage at the 38 A peak pulse current (10/1000 µs waveform) is 41.4 V.

1.5KE30A R0G
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