MCR703AT4G - Littelfuse Inc.

Manufacturer Part Number

MCR703AT4G

Manufacturer

Littelfuse

Introduction

Sensitive gate silicon-controlled rectifier (SCR) designed for switching applications

Product Features and Performance

Sensitive Gate SCR

100V Off-state voltage

800mV Gate trigger voltage (max)

75µA Gate trigger current (max)

2V On-state voltage (max)

6A On-state average current (max)

4A RMS On-state current (max)

5mA Hold current (max)

10µA Off-state current (max)

25A Non-repetitive surge current at 60Hz

Surface mount package TO-252 (DPAK)

Product Advantages

Low gate triggering current suitable for direct operation by microcontrollers

High surge current capability ideal for inrush current protection

Surface mount package permits automated assembly

Sensitive gate allows for easy triggering with low power signals

Key Technical Parameters

Voltage - Off State: 100V

Voltage - Gate Trigger (Vgt) (Max): 800mV

Current - Gate Trigger (Igt) (Max): 75µA

Voltage - On State (Vtm) (Max): 2.2V

Current - On State (It(AV)) (Max): 2.6A

Current - On State (It(RMS)) (Max): 4A

Current - Hold (Ih) (Max): 5mA

Current - Off State (Max): 10µA

Current - Non Rep. Surge 50, 60Hz (Itsm): 25A @ 60Hz

Operating Temperature Range: -40°C to 110°C

Quality and Safety Features

Compliant with international standards for safety

High reliability and long operational life

Compatibility

Compatible with surface mount technology (SMT) processes

Can be used in circuits with similar voltage and current requirements

Application Areas

Industrial control systems

Motor controls

Power supplies

Overvoltage protection circuits

Product Lifecycle

Product Status: Active

No indication of discontinuation, replacements, or upgrades

Several Key Reasons to Choose This Product

Suitable for applications requiring direct control from logic-level devices

Highly reliable with Littelfuse's industry-leading quality in circuit protection

Compact surface mount design allows for high-density board design

The sensitive gate feature ensures ease of interfacing with control circuits

Robust surge current handling capability protects against high inrush currents