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MCR72-006
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Product Detailed Parameters
- Description：THYRISTOR SCR 8A 400V TO220AB
- Series：-
- Mfr：onsemi
- Package：Bulk
- Voltage - Off State：400 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：-
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220AB
- Voltage - On State (Vtm) (Max)：-
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：8:00 AM
- Current - Off State (Max)：-
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Overview
The onsemi MCR72-006 is a Silicon Controlled Rectifier (SCR) designed for high-power switching applications. It features an 8A RMS on-state current rating and supports repetitive peak voltages of 400V in both forward blocking and reverse blocking modes. The device utilizes a TO-220AB flange mount package, facilitating efficient thermal management through direct heatsink attachment. Key electrical characteristics include a maximum DC gate trigger current of 0.2 mA and a holding current of 6 mA. It operates within a temperature range of -40°C to 110°C, ensuring reliability in demanding industrial environments.
Feature Summary
- High current handling capability with 8A RMS on-state current rating
- Robust voltage tolerance supporting 400V forward and reverse blocking states
- Thermal optimization via TO-220AB flange mount package design
- Low gate drive requirement with 0.2 mA maximum DC gate trigger current
Applications
- Industrial motor control systems requiring robust phase control
- AC power regulation circuits for heating elements
- Solid-state relay implementations for high-load switching
- Welding equipment power stages
Procurement Notes
Verify the specific suffix designation against the manufacturer's datasheet to confirm exact voltage and current ratings, as variations may exist within the MCR72 series. Ensure the procurement specification matches the required TO-220AB flange mount configuration for proper thermal interface compatibility. Confirm compliance with relevant environmental standards if the application demands specific regulatory adherence. Cross-reference the pinout diagram during integration to prevent mounting errors due to lead configuration differences.
Selection Notes
Select this component when an application demands high RMS current capacity in a compact, thermally efficient package. The 400V rating makes it suitable for standard industrial AC line voltages. Consider the low gate trigger current for compatibility with standard logic-level drivers. Evaluate the thermal resistance of the mounting solution to ensure the junction temperature remains within the 110°C limit under continuous load conditions.
Part Context
The MCR72 series represents a family of high-power silicon controlled rectifiers manufactured by onsemi. These devices are engineered for applications requiring reliable phase control and power switching. The MCR72-006 specifically denotes a variant within this lineup, characterized by its 8A current handling and 400V voltage ratings. It is part of onsemi's broader portfolio of discrete power semiconductors aimed at industrial and automotive sectors.
Replacement Considerations
Consult official cross-reference guides for equivalent SCRs with matching 8A/400V specifications and TO-220AB packaging. Verify that any substitute maintains identical gate trigger characteristics and thermal performance metrics to ensure circuit compatibility without redesign.
