# MCR703AT4G - On Semiconductor SCR

## Product Summary

The Littelfuse Inc. MCR703AT4G is a sensitive gate SCR with a 100V off-state voltage and 4A RMS on-state current. It is packaged in a surface mount TO-252 case.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | MCR703AT4G |
| Manufacturer | On Semiconductor |
| Product Type | SCR |
| Series | MCR703 |
| Category | Uncategorized |
| Subcategory | SCR |
| Package | Tape & Reel (TR) \| Cut Tape (CT) |
| Supplier Device Package | TO-252, (D-Pak) |
| Mounting Type | Surface Mount |

## Description

The Littelfuse Inc. MCR703AT4G is a sensitive gate Silicon Controlled Rectifier (SCR) designed for various power control applications. It features a maximum off-state voltage of 100V and can handle a continuous on-state current of up to 4A RMS.

This SCR has a low gate trigger voltage of 800mV and a gate trigger current of 75µA, making it sensitive to trigger signals. The maximum on-state voltage (Vtm) is 2.2V, and the holding current (Ih) is 5mA. It is rated for a non-repetitive surge current of 25A at 60Hz.

The operating temperature range for the MCR703AT4G is -40°C to 110°C. It is supplied in a surface mount TO-252 (D-Pak) package, suitable for automated assembly processes. The RoHS status is ROHS3 Compliant, and it has a Moisture Sensitivity Level (MSL) of 1.

## Key Specifications

| Specification | Value |
| --- | --- |
| SVHC Present | Not Present |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 1 |
| Total Stock | 1,300 |
| Pricing Available | No |

## Distributor Offers

| Distributor | Stock | Unit Price | MOQ | Lead Time | Last Updated |
| --- | --- | --- | --- | --- | --- |
| Chanetech | 1,300 |  |  |  |  |

## Features

- 100V off-state voltage rating.
- 4A RMS on-state current capability.
- Sensitive gate trigger characteristics.
- Surface mount TO-252 package.
- Wide operating temperature range.

## Applications

- Ideal for low-power phase control circuits.
- Used in motor speed control systems.
- Suitable for lighting dimmer applications.
- Can be used in relay driver circuits.
- Applicable for power supply crowbar protection.

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level | 1 Unlimited |
| SVHC Present | Not Present |

## Documents and Media

- Image: https://static.distyparts.com/disty-files/images/13/86/99/MCR703AT4G.jpg
- Product Page: https://distyparts.com/product/mcr703at4g
- RFQ URL: https://distyparts.com/product/mcr703at4g#rfq

## FAQs

### What is the maximum gate trigger voltage for the MCR703AT4G?

800 mV

### What is the maximum gate trigger current?

75 µA

### What is the maximum RMS on-state current?

4 A

### What is the off-state voltage rating?

100 V

### What is the operating temperature range?

-40°C to 110°C

### What package is the MCR703AT4G available in?

TO-252-3, DPak (2 Leads + Tab), SC-63

### What is the non-repetitive surge current rating?

25 A at 60 Hz

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/on-semiconductor
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/mcr703at4g
- Markdown File: https://distyparts.com/product/mcr703at4g.md
- TXT File: https://distyparts.com/product/mcr703at4g.txt