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Littelfuse Inc. 1.5SMC400 — Circuit Protection

Littelfuse 1.5SMC400 TVS Diode, 342V Standoff, DO-214AB

MPN1.5SMC400
Obsolete

Littelfuse Inc. 1.5SMC series Zener TVS diode, 1.5SMC400, 342V reverse standoff, 575.4V clamp, 1500W peak pulse power, DO-214AB (SMC) surface mount, Tape & Reel.

$0.8500Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

1.5SMC400 specifications
ParameterValue
TypeZener
Series1.5SMC
MountingSurface Mount
Voltage - breakdown360V
Voltage - clamping (Max) @ ipp575.4V
Voltage - reverse standoff342V
Current - peak pulse (10/1000μs)2.8A
Power - peak pulse1500W (1.5kW)
Power line protectionNo
Operating temperature-55°C ~ 150°C (TJ)
PackageTape & Reel (TR)
ApplicationsGeneral Purpose
CaseDO-214AB, SMC
Unidirectional channels1

Product details

The 1.5SMC400 is listed as Obsolete by Littelfuse Inc.

Zener TVS parametrics and clamp performance

The clamping voltage at peak pulse current is 575.4V max, limiting the transient seen by the protected circuit. This power rating is the key selection parameter — it determines the maximum transient energy the diode can absorb without failure.

Delivered on Tape & Reel (TR), consistent with automated pick-and-place assembly.

Frequently asked questions

What is the 1.5SMC400's reverse standoff and clamping voltage?

The reverse standoff voltage is 342V typical, with a minimum breakdown of 360V. Maximum clamping at peak pulse current is 575.4V.

What package does the 1.5SMC400 use?

Delivery is on Tape & Reel.