1SMA28CAT3G - Littelfuse Inc.

Manufacturer Part Number

1SMA28CAT3G

Manufacturer

littelfuse

Introduction

1SMA28CAT3G is a Zener TVS diode designed for transient voltage suppression, providing circuit protection by clamping voltage spikes.

Product Features and Performance

Zener type transient voltage suppressor

Single bidirectional channel

28V reverse standoff voltage

1V minimum breakdown voltage

4V maximum clamping voltage at 8.8A peak pulse current

400W peak pulse power capability

225pF capacitance at 1MHz

Operational temperature range from -65°C to 150°C

Surface mount package for easy PCB integration

Product Advantages

Efficiently protects circuits from voltage transients

High peak pulse power capability for superior energy absorption

Low capacitance, minimizing signal distortion

Wide operating temperature range for use in harsh environments

Key Technical Parameters

Reverse Standoff Voltage: 28V

Breakdown Voltage: 31.1V minimum

Clamping Voltage: 45.4V max @ Ipp

Peak Pulse Current: 8.8A (10/1000µs)

Peak Pulse Power: 400W

Capacitance: 225pF @ 1MHz

Quality and Safety Features

Manufactured to high-quality standards for reliability and performance

Compatibility

Suitable for general purpose applications

Surface mount DO-214AC, SMA package for compatibility with standard SMT processes

Application Areas

General electronics

Consumer devices

Power management circuits

Industrial equipment

Product Lifecycle

Obsolete status indicates discontinuation, with potential availability of replacements or upgrades from littelfuse

Several Key Reasons to Choose This Product

High energy absorption capacity with 400W peak pulse power

Reliable transient voltage suppression for circuit protection

Low capacitance preserving signal integrity

Versatile for a range of applications with general-purpose suitability

Surface mount technology compatible for easy manufacturing integration