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STMicroelectronics SM4T12AY TVS Diodes

Automotive 400 W TVS in SMA

95 ActiveSTMicroelectronicsSM4T12DO-214AC, SMA$1.22
SM4T12AY DO-214AC, SMA package illustration

Same model may have multiple batches, images only for reference.

SM4T12AY
Manufacturer
Part Number (MPN)
SM4T12AY
Category
Circuit ProtectionTVS DiodesSTMicroelectronics SM4T12AY
Base Model
Detailed Description
Automotive 400 W TVS in SMA
Package
DO-214AC, SMA
Lifecycle Status
Active
Datasheet
PDF SM4T12AY Datasheet
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Ordering Code Family

SM4T12 groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

2 ordering variants listed on the family page.

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Technical Specifications

STMicroelectronics SM4T12AY TVS Diodes technical specifications.

General

Series
SM4TY, TRANSIL™
Package / Case
DO-214AC, SMA
Mounting Type
Surface Mount
Operating Temperature
-55°C ~ 150°C (TJ)
Lifecycle Status
Active
Current Peak Pulse 10 1000 S
106A (8/20µs)
Power Peak Pulse
400W
Power Line Protection
No
Grade
Automotive
Type
Zener

Related Parts Comparison (SM4T12AY vs SM4T12CAY vs SM6T7V5CA vs SM15T39CA)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
SeriesSM4TY, TRANSIL™SM4TY, TRANSIL™SM6T, TRANSIL™SM15T, TRANSIL™
Package / CaseDO-214AC, SMADO-214AC, SMADO-214AA, SMBDO-214AB, SMC
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-55°C ~ 150°C (TJ)-55°C ~ 150°C (TJ)-55°C ~ 150°C (TJ)-55°C ~ 150°C (TJ)
Lifecycle StatusActiveActiveProductionActive
Current Peak Pulse 10 1000 S106A (8/20µs)106A (8/20µs)53A143A (8/20µs)
Power Line ProtectionNoNoNoNo
TypeZenerZenerZenerZener
Voltage Clamping Max Ipp21.7V21.7V11.3V69.7V
Voltage Reverse Standoff Typ10V10V6.4V33.3V
Power Peak Pulse400W400W--1500W (1.5kW)
Voltage Breakdown Min11.1V11.1V--37.1V
Action

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