MCR72-3G

$1.73

Description：SCR 100V 8A TO220AB
Series：-

SKU:88c3cbb31001 Category: SCRs Brand: Littelfuse Inc.

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Product introduction

Product Detailed Parameters

Description：SCR 100V 8A TO220AB
Series：-
Mfr：Littelfuse Inc.
Package：Box
Voltage - Off State：100 V
Voltage - Gate Trigger (Vgt) (Max)：1.5 V
Current - Gate Trigger (Igt) (Max)：200 µA
Current - Hold (Ih) (Max)：6 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)：100A @ 60Hz
SCR Type：Sensitive Gate
Operating Temperature：-40°C ~ 110°C
Mounting Type：Through Hole
Package / Case：TO-220-3
Supplier Device Package：TO-220AB
Voltage - On State (Vtm) (Max)：2 V
Current - On State (It (AV)) (Max)：-
Current - On State (It (RMS)) (Max)：8:00 AM
Current - Off State (Max)：10 µA

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MCR72-3G

Overview

The Littelfuse MCR72-3G is an 8 Amp Silicon Controlled Rectifier (SCR) housed in a TO-220AB package. It features a peak repetitive off-state voltage of 100 V and supports an on-state RMS current of 8.0 A at 180-degree conduction angles with a case temperature of 83°C. The device exhibits a maximum gate trigger current of 200 µA and a holding current of 6.0 mA. It operates within a junction temperature range of -40 to +110°C, with a thermal resistance from junction to case of 2.2 °C/W.

Feature Summary

Center gate geometry ensures uniform current density across the silicon chip.
All diffused and glass-passivated junctions provide parameter stability and reliability.
Thermowatt construction offers low thermal resistance for high heat dissipation.

Applications

Industrial and consumer temperature control systems
Light and speed control circuits
Process and remote control applications

Procurement Notes

Verify the specific part number suffix against the manufacturer's official documentation to confirm lead-free status and packaging configuration. Confirm that the selected component meets the required voltage ratings for the intended circuit design before finalizing procurement orders.

Selection Notes

Select this component based on its 100 V blocking capability and 8 A continuous current rating. Ensure the application requires a gate trigger current below 200 µA for direct integration with standard logic interfaces. Verify thermal management requirements align with the specified junction-to-case thermal resistance.

Part Context

This device belongs to the MCR72 series of 8 Amp SCRs manufactured by Littelfuse. The series includes variants with different voltage ratings, such as the MCR72-6 and MCR72-8. All models share the same physical package and core electrical characteristics regarding current handling and triggering sensitivity.

Replacement Considerations

Compatible replacements include the MCR72-6G and MCR72-8G. These parts maintain identical pinouts and current ratings but offer higher voltage blocking capabilities of 400 V and 600 V respectively.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.