The MCR265-4 is a Silicon Controlled Rectifier (SCR) manufactured by ON Semiconductor, known for its high surge capabilities and robust performance. This SCR is a pivotal component in a wide array of applications, including industrial, automotive, and consumer electronics where controlled rectification is required.

Key Features

• Voltage Capacity: The MCR265-4 is designed to handle a peak repetitive off-state voltage (V_DRM) of 400V, making it suitable for moderate voltage applications.
• Current Rating: This SCR can sustain an average on-state current (I_T(AV)) of 8A, which is ample for various power control applications.
• Surge Current: It has an excellent surge current capability with a non-repetitive on-state current (I_TSM) of 100A, ensuring reliability during transient conditions.
• Gate Trigger Current: A low gate trigger current (I_GT) makes the MCR265-4 easy to activate, enhancing its suitability for circuits with limited gate drive power.
• Thermal Characteristics: The SCR comes with a maximum operating junction temperature (T_J) of 125°C, ensuring stable performance under a range of thermal conditions.

Applications

The versatility of the MCR265-4 lends itself to numerous applications, including but not limited to:

• Motor control circuits
• Overvoltage crowbar protection
• Controlled rectifier bridges
• Capacitive discharge ignitions
• Regulated power supplies

Package and Mounting

The MCR265-4 SCR is encapsulated in a TO-220AB package, which is a plastic package known for its ease of mounting and good thermal and electrical isolation. Its standard three-pin configuration allows for straightforward integration into existing designs.

Quality and Reliability

ON Semiconductor is committed to high standards of quality and reliability, and the MCR265-4 SCR is no exception. It is designed to meet or exceed the rigorous demands of the industrial and automotive industries, ensuring a reliable performance over the lifetime of the device.