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MCR12LN
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Product Detailed Parameters
- Description：SILICON CONTROLLED RECTIFIER - S
- Series：-
- Mfr：onsemi
- Package：Bulk
- Voltage - Off State：800 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：8 mA
- Current - Hold (Ih) (Max)：20 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：100A @ 60Hz
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220
- Voltage - On State (Vtm) (Max)：2.2 V
- Current - On State (It (AV)) (Max)：7.6 A
- Current - On State (It (RMS)) (Max)：12:00 AM
- Current - Off State (Max)：10 µA
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Overview
The MCR12LN is a silicon-controlled rectifier (SCR) from onsemi, designed for half-wave AC control applications. It features an 800V repetitive peak reverse voltage and a 12A average on-state current rating. The device is housed in a TO-220 package, suitable for through-hole mounting. It operates within a junction temperature range of -40°C to +125°C. This component serves as a robust solution for power switching in industrial and consumer electronics requiring reliable AC phase control.
Feature Summary
- Engineered specifically for half-wave AC control applications
- Provides high current handling capability with 12A rating
- Supports high voltage blocking up to 800V
- Utilizes durable TO-220 through-hole packaging
Applications
- Motor controls
- Heating controls
- Power supplies
Procurement Notes
Verify the specific ordering suffix and tape/reel specifications against the official datasheet before procurement. Confirm that the TO-220 package variant matches the required thermal and mechanical constraints for the target assembly. Ensure compliance with RoHS directives if applicable to the end product requirements.
Selection Notes
Select this SCR for circuits requiring simple half-wave AC regulation where cost-effectiveness is prioritized. Consider the 800V rating for medium-voltage AC lines. Evaluate thermal management needs due to the 12A current capacity in the TO-220 case. Ensure gate drive characteristics align with the application's control logic levels.
Part Context
This component belongs to the standard discrete semiconductor category, specifically within the thyristor family. It complements onsemi's portfolio of power control devices used in industrial automation and consumer appliances. The MCR12LN provides a reliable switching element for AC power management tasks.
Replacement Considerations
Consult official cross-reference guides for equivalent SCRs with matching 800V/12A ratings and TO-220 packages. Verify pinout compatibility and thermal resistance values when substituting with parts from other manufacturers.
