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MCR106-8G
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Product Detailed Parameters
- Description：SCR 600V 4A TO225AA
- Series：-
- Mfr：Littelfuse Inc.
- Package：Box
- Voltage - Off State：600 V
- Voltage - Gate Trigger (Vgt) (Max)：1 V
- Current - Gate Trigger (Igt) (Max)：200 µA
- Current - Hold (Ih) (Max)：5 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：25A @ 60Hz
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 110°C
- Mounting Type：Through Hole
- Package / Case：TO-225AA, TO-126-3
- Supplier Device Package：TO-225AA
- Voltage - On State (Vtm) (Max)：2 V
- Current - On State (It (AV)) (Max)：2.55 A
- Current - On State (It (RMS)) (Max)：4:00 AM
- Current - Off State (Max)：10 µA
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Overview
The Littelfuse MCR106-8G is a sensitive gate silicon controlled rectifier (SCR) designed for general-purpose switching applications. It operates within a repetitive peak reverse voltage range of 400V to 800V and supports an average on-state current of 1A. The device features a maximum gate trigger current of 50µA, enabling efficient control with low drive power. Packaged in the DO-201AC axial leaded format, it withstands surge currents up to 20A and functions reliably across a temperature range of -40°C to 125°C.
Feature Summary
- Sensitive gate architecture allows reliable triggering with minimal gate current requirements.
- Robust construction provides high surge current capability for handling transient loads.
- Axial leaded package facilitates straightforward through-hole mounting on printed circuit boards.
Applications
- Lighting control circuits
- Solid-state relays
- General purpose switching
Procurement Notes
Verify the specific voltage sub-rating required for the application, as the MCR106 series encompasses multiple breakdown voltage options ranging from 400V to 800V. Confirm that the DO-201AC package dimensions align with the target PCB layout. Ensure the selected variant meets the necessary thermal management requirements for the intended operating environment.
Selection Notes
Select this component when a compact, through-hole SCR is needed for low-power switching tasks. The sensitive gate characteristic simplifies driver circuit design by reducing the required gate drive strength. Consider the specific voltage rating variant to ensure adequate margin against peak reverse voltages present in the circuit.
Part Context
This part belongs to the MCR106 family of sensitive gate SCRs manufactured by Littelfuse. The family offers various voltage ratings to suit different isolation requirements while maintaining consistent current handling capabilities. These devices are widely used in consumer electronics and industrial controls where reliable phase control or switching is required.
Replacement Considerations
Direct replacements include other sensitive gate SCRs in the DO-201AC package with matching 1A current and compatible voltage ratings. Verify gate trigger parameters to ensure equivalent switching performance. Cross-reference with standard SCR equivalents if pinout compatibility is critical.
