Manufacturer Part Number
SM4T30CAY
Manufacturer
stmicroelectronics
Introduction
The SM4T30CAY is a Transient Voltage Suppressor (TVS) diode designed for protecting circuits from voltage spikes.
Product Features and Performance
Type: Zener TVS Diode
Unidirectional protection
Power rating of 400W
Peak Pulse Current of 43A
Operates effectively from -55°C to 150°C
Offers a breakdown voltage minimum of 28.9V
Clamping voltage max at 53.5V during surge
Product Advantages
High transient power handling capability
Stable performance over a wide temperature range
Reliable in automotive applications
Key Technical Parameters
Reverse Standoff Voltage: 26V
Breakdown Voltage (Min): 28.9V
Clamping Voltage (Max) @ Ipp: 53.5V
Peak Pulse Current (10/1000µs): 43A (8/20µs)
Power Peak Pulse: 400W
Operating Temperature: -55°C to 150°C
Quality and Safety Features
AEC-Q101 qualified indicating reliability in automotive applications
Compatibility
Compatible with Surface Mount technology
Package / Case: DO-214AC, SMA
Application Areas
Designed specifically for automobile electronics protection.
Product Lifecycle
Status: Active
Continues to be manufactured with no indication of discontinuation
Replacements or upgrades should follow under the same series SM4TY
Several Key Reasons to Choose This Product
Reliable protection against voltage surges and spikes
High power handling capability with 400W peak pulse power
Automotive grade assurance with AEC-Q101 qualification
Wide operating temperature range suitable for harsh environments
Compact and robust package, DO-214AC suitable for surface mounting
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