1SMA12CAT3G - Littelfuse Inc.

Manufacturer Part Number

1SMA12CAT3G

Manufacturer

littelfuse

Introduction

The 1SMA12CAT3G is a Transient Voltage Suppressor (TVS) diode designed by littelfuse for general-purpose applications. It is meant to protect sensitive electronics from voltage spikes and surges by clamping excess voltage to a safe level.

Product Features and Performance

Type: Zener

Bidirectional Channels: 1

Voltage - Reverse Standoff (Typ): 12V

Voltage - Breakdown (Min): 13.3V

Voltage - Clamping (Max) @ Ipp: 19.9V

Current - Peak Pulse (10/1000µs): 20.1A

Power - Peak Pulse: 400W

Capacitance @ Frequency: 490pF @ 1MHz

Operating Temperature: -65°C ~ 150°C (TJ)

Mounting Type: Surface Mount

Package / Case: DO-214AC, SMA

Product Advantages

Designed for quick response to transient events

Capable of handling high surge power (400W)

Low incremental surge resistance

Operational over a wide temperature range (-65°C to 150°C)

Compact SMA package for easy mounting

Key Technical Parameters

Voltage - Reverse Standoff (Typ): 12V

Voltage - Breakdown (Min): 13.3V

Voltage - Clamping (Max): 19.9V

Current - Peak Pulse: 20.1A

Power - Peak Pulse: 400W

Capacitance: 490pF @ 1MHz

Quality and Safety Features

Built to handle transient overvoltage conditions, enhancing the safety and longevity of the protected components.

Compatibility

Suitable for use in a wide variety of general-purpose applications due to its uni-directional configuration and wide operating temperature range.

Application Areas

General electronics protection

Consumer electronics

Industrial application

Telecommunications

Product Lifecycle

Obsolete. Potential users should consider the availability of replacements or upgrades for future designs.

Several Key Reasons to Choose This Product

Reliable transient voltage suppression with 400W peak pulse power capability.

Effective protection for sensitive electronics with quick response to surges.

Wide operational temperature range, suitable for various environments.

Compact and easy-to-mount package, facilitating integration into a variety of products.

Due to its obsolescence, ideal for repairing existing systems without the need for redesign.