Skip to main content

STMicroelectronics SM4T56AY TVS Diodes

400W Unidirectional TVS Diode, 48V, SMA, 150°C

15,000 ActiveSTMicroelectronicsSM4T56DO-214AC, SMA$0.20
SM4T56AY DO-214AC, SMA package illustration

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

SM4T56AY
Manufacturer
Part Number (MPN)
SM4T56AY
Category
Circuit ProtectionTVS DiodesSTMicroelectronics SM4T56AY
Base Model
Detailed Description
400W Unidirectional TVS Diode, 48V, SMA, 150°C
Package
DO-214AC, SMA
Lifecycle Status
Active
Datasheet
PDF SM4T56AY Datasheet
Quick Jump:
Ready to order?In stock and ready to ship.
Competitive Pricing
Fast & Reliable Delivery
Quality Assured

Ordering Code Family

SM4T56 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.

View all variants

Technical Specifications

STMicroelectronics SM4T56AY 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
23A (8/20µs)
Power Peak Pulse
400W
Power Line Protection
No
Grade
Automotive
Type
Zener

Related Parts Comparison (SM4T56AY vs SM4T56CAY 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 S23A (8/20µs)23A (8/20µs)53A143A (8/20µs)
Power Line ProtectionNoNoNoNo
TypeZenerZenerZenerZener
Voltage Clamping Max Ipp100V100V11.3V69.7V
Voltage Reverse Standoff Typ48V48V6.4V33.3V
Power Peak Pulse400W400W--1500W (1.5kW)
Voltage Breakdown Min53.3V53.3V--37.1V
Action

More Parts in TVS Diodes

Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.