1SMB48AT3G - Littelfuse Inc.

Manufacturer Part Number

1SMB48AT3G

Manufacturer

Littelfuse

Introduction

The 1SMB48AT3G is a Zener-type Transient Voltage Suppressor (TVS) diode, offering protection against voltage transients.

Product Features and Performance

Zener TVS diode

Unidirectional protection

48V reverse standoff voltage

3V breakdown voltage minimum

4V maximum clamping voltage at 7.7A peak pulse current

600W peak pulse power capability

Surface Mount (SMD/SMT) packaging for streamlined manufacturing

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

Product Advantages

High-energy transient protection

Compact SMB package for space-saving

High-temperature operational stability

Reliable over a broad range of temperature conditions

Key Technical Parameters

Reverse Standoff Voltage (Typ): 48V

Breakdown Voltage (Min): 53.3V

Clamping Voltage (Max) @ Ipp: 77.4V

Peak Pulse Current (10/1000µs): 7.7A

Peak Pulse Power: 600W

Capacitance @ Frequency: 365pF @ 1MHz

Quality and Safety Features

Constructed for durable and reliable operation in challenging environments

Compatibility

Suitable for general-purpose applications where Zener TVS diodes are applicable

Application Areas

General-purpose transient voltage surge suppression

Product Lifecycle

Obsolete; consider seeking replacements or upgrades for future designs

Several Key Reasons to Choose This Product

High peak pulse power capability (600W) for effective transient voltage suppression

Broad operating temperature range suitable for various environments

Compact and efficient SMB package for easy integration into existing designs

Unidirectional protection ideal for specific circuit designs

Obsolete status encourages consideration of future-proof solutions with similar specifications