1SMB12AT3 - onsemi

Manufacturer Part Number

1SMB12AT3

Manufacturer

Onsemi

Introduction

The 1SMB12AT3 is a transient voltage suppressor diode designed to protect sensitive electronics against voltage spikes and transient voltage events.

Product Features and Performance

Unidirectional protection

Stand-off voltage: 12V

Peak pulse power: 600W (10/1000μs waveform)

Low incremental surge resistance

Fast response time

Product Advantages

Solid protection against voltage transients

Compact SMB package suits automated pick and place

Low clamping voltage during surge events

Key Technical Parameters

Peak Pulse Power Dissipation: 600W

Polarity: Unidirectional

Working Voltage (VWM): 12V

Breakdown Voltage (VBR): 13.3V minimum, 14.7V maximum

Clamping Voltage (VC), max: 19.9V

Peak Pulse Current (IPP), max: 30.2A

Operating Temperature Range: -55°C to +150°C

Quality and Safety Features

Meets IEC 61000-4-2 ESD immunity requirements

High reliability due to stringent quality testing

RoHS Compliant for environmental safety

Compatibility

Compatible with industry-standard SMB footprint

Application Areas

Communication systems

Data lines

Power supply bus

Computers and peripherals

Consumer electronics

Product Lifecycle

Obsolete

Potential for limited availability

Replacements or upgrades may be available under new part numbers

Several Key Reasons to Choose This Product

Superior protection against transient voltages enhancing device longevity

Availability as a drop-in replacement for existing SMB package layouts

High surge capability suitable for use in harsh electrical environments

Onsemi's reputation for reliability and performance in semiconductor products

Suitable for high-density circuit designs due to its small footprint