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MCR12MG
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Product Detailed Parameters
- Description：SCR 600V 12A TO220AB
- Series：-
- Mfr：Littelfuse Inc.
- Package：Box
- Voltage - Off State：600 V
- Voltage - Gate Trigger (Vgt) (Max)：1 V
- Current - Gate Trigger (Igt) (Max)：20 mA
- Current - Hold (Ih) (Max)：40 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：100A @ 60Hz
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220AB
- Voltage - On State (Vtm) (Max)：2.2 V
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：12:00 AM
- Current - Off State (Max)：10 µA
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Overview
The Littelfuse MCR12MG is a Silicon Controlled Rectifier (SCR) rated for a peak repetitive off-state voltage of 600 V. It supports an on-state RMS current of 12 A at a case temperature of 80°C and handles a peak non-repetitive surge current of 100 A. The device features sensitive gate characteristics with a maximum gate trigger current of 20 mA and a holding current up to 40 mA. It operates within a junction temperature range of -40°C to +125°C and utilizes a TO-220AB package.
Feature Summary
- Sensitive gate design allows direct interfacing with microprocessors
- Glass passivated junctions ensure reliability and uniformity
- High immunity to dv/dt with a minimum rating of 100 V/µsec at 125°C
Applications
- Half-wave AC control applications
- Motor controls
- Heating controls
- Power supplies
Procurement Notes
Verify the specific part number against the manufacturer's datasheet to confirm the 600V blocking voltage variant. Ensure the TO-220AB package style matches the target PCB layout requirements. Confirm lead-free compliance status if RoHS regulations apply to the end product assembly process.
Selection Notes
Select this component when a 600V SCR is required for half-wave rectification or AC switching tasks. The 12A RMS rating suits moderate power loads, while the sensitive gate simplifies drive circuitry. Verify thermal management capabilities for the TO-220AB package under continuous operating conditions.
Part Context
This device belongs to the MCR12DG/MCR12MG/MCR12NG family of silicon-controlled rectifiers from Littelfuse. These components are designed for robust performance in industrial and consumer electronics, offering a balance of high surge capability and reliable switching characteristics in a standard through-hole package.
Replacement Considerations
MCR12DG (400V), MCR12NG (800V).
FAQ
What is the maximum gate trigger current specified for the MCR12MG?
The maximum gate trigger current (IGT) is specified as 20 mA.
Does the MCR12MG support surface mount installation?
No, the MCR12MG is housed in a TO-220AB package designed for through-hole mounting.
What is the critical rate-of-rise of off-state voltage (dv/dt) rating?
The device has a minimum dv/dt rating of 100 V/µsec at a junction temperature of 125°C.
