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Taiwan Semiconductor Corporation 1.5SMC75A V7G — Circuit Protection

1.5SMC75A V7G TVS Diode, 1500W, 64.1V standoff

MPN1.5SMC75A V7G
Active

Taiwan Semiconductor Corporation, 1.5SMC series, unidirectional Zener TVS diode, 1.5SMC75A V7G, 1500W peak pulse, 64.1V reverse standoff, 103V clamping, 15A peak pulse, DO-214AB SMC surface mount, -55°C to 150°C junction.

$0.2104Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

1.5SMC75A V7G specifications
ParameterValue
TypeZener
Series1.5SMC
MountingSurface Mount
Voltage - breakdown71.3V
Voltage - clamping (Max) @ ipp103V
Voltage - reverse standoff64.1V
Current - peak pulse (10/1000μs)15A
Power - peak pulse1500W (1.5kW)
Power line protectionNo
Operating temperature-55°C ~ 150°C (TJ)
PackageTape & Reel (TR)
ApplicationsTelecom
CaseDO-214AB, SMC
Unidirectional channels1

Product details

The 1.5SMC75A V7G is a unidirectional Zener-based TVS diode rated 1500 W peak pulse (10/1000 µs waveform) — that is the industry's standard 1.5 kW class for line-card protection in telecom infrastructure. At 64.1 V reverse standoff (typ), the diode idles off during normal operation; when a transient exceeds the 71.3 V minimum breakdown, it clamps the line to 103 V maximum at 15 A peak pulse current, absorbing the spike before it reaches downstream silicon.

SMC package and board integration

The DO-214AB (SMC) package mounts surface mount, supplied on tape and reel for automated pick-and-place at high volume. Power Line Protection is listed as No — confirm the board topology routes the signal line through the diode correctly before committing to the BOM, since a miswired unidirectional TVS will not protect against negative-going transients.

Frequently asked questions

What voltage does the 1.5SMC75A V7G actually clamp at?

The diode breaks down from 71.3 V minimum and clamps at 103 V maximum under the 15 A peak pulse condition. The standoff (idle) voltage is 64.1 V typ — the gap between standoff and clamping is the headroom the protection zone provides.