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Taiwan Semiconductor Corporation 1.5SMC18A M6G — Circuit Protection

1.5SMC18A M6G TVS Diode, 1500W, 15.3V Standoff, DO-214AB

MPN1.5SMC18A M6G
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Taiwan Semiconductor Corporation 1.5SMC series Zener TVS diode, 1.5SMC18A M6G, 1500W peak pulse power, 15.3V reverse standoff, 60A Ipp, unidirectional, DO-214AB SMC package, Tape & Reel.

Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

1.5SMC18A M6G specifications
ParameterValue
TypeZener
Series1.5SMC
MountingSurface Mount
Voltage - breakdown17.1V
Voltage - clamping (Max) @ ipp25.5V
Voltage - reverse standoff15.3V
Current - peak pulse (10/1000μs)60A
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 the ratings mean for the BOM line

The 1.5SMC18A M6G: The 15.3V reverse standoff voltage sits comfortably above a 12V nominal rail (allowing for 5% tolerance and ripple), while the 17.1V minimum breakdown ensures the TVS does not avalanche during normal line transients below that threshold.

Housed in the DO-214AB (SMC) surface-mount package, the 1.5SMC18A M6G occupies the same footprint as other 1.5SMC-series parts — the cathode band and unidirectional marking are on the body, and the large copper tab on the bottom side carries the heat into the PCB copper pour.

Frequently asked questions

What is the closest pin-compatible alternative to the 1.5SMC18A M6G in the same Circuit Protection family?

Within the 1.5SMC series, the 1.5SMC18A (without the M6G suffix) is the same die in the same DO-214AB package — the M6G suffix typically denotes a specific packaging or plating code, so the base part number is functionally identical for BOM cross-reference.

What compliance documentation does Taiwan Semiconductor Corporation provide for the 1.5SMC18A M6G?

The part is listed for General Purpose applications;