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Littelfuse Inc. 1.5SMC6.8 — Circuit Protection

Littelfuse 1.5SMC6.8 TVS Diode, 5.8V standoff

MPN1.5SMC6.8
Obsolete

Littelfuse 1.5SMC6.8 Zener TVS diode, unidirectional, 5.8V standoff, 11.03V clamping @ 144.8A, 1500W peak pulse, DO-214AB SMC surface mount, -55°C to 150°C junction.

$0.6500Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

1.5SMC6.8 specifications
ParameterValue
TypeZener
Series1.5SMC
MountingSurface Mount
Voltage - breakdown6.12V
Voltage - clamping (Max) @ ipp11.03V
Voltage - reverse standoff5.8V
Current - peak pulse (10/1000μs)144.8A
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

What 1.5SMC6.8 protects — and why the standoff voltage is the starting number

Its 5.8 V typical reverse standoff is the working voltage the protected line sits at during normal operation; the 6.12 V minimum breakdown is the threshold where the TVS begins to conduct.

Lifecycle status — obsolete and what that means for procurement

No L* cross-reference means the original manufacturer has not published a recommended replacement within the 1.5SMC family.

Frequently asked questions

How do I buy or get a quote for 1.5SMC6.8?

This part is quoted to order — submit an RFQ and the sourcing desk will confirm lot availability, pricing, and lead time against current independent inventory. There is no live stock count or published price on this listing.

What is the difference between 1.5SMC and 1.5SMB TVS series?

Both series are Littelfuse unidirectional TVS diodes in similar SMC packages, but the 1.5SMC is rated 1500 W peak pulse versus 1500 W for 1.5SMB — the difference lies in the clamping performance curves and the voltage ladder, not the headline power number. Confirm the standoff and breakdown voltages in the relevant series datasheet before substituting.