The SCR 2P4M is a type of Silicon Controlled Rectifier (SCR) with the following specifications:

• Type: SCR (Silicon Controlled Rectifier)
• Maximum Repetitive Peak Off-State Voltage (Vdrm/VRRM): 400V
• Maximum RMS On-State Current (I(T(RMS))): 2A
• Maximum Average On-State Current (I(T(AV))): 2A (with appropriate heat sinking)
• Gate Trigger Voltage (Vgt): Typically 1V to 2V
• Gate Trigger Current (Igt): Typically 10mA
• Maximum On-State Voltage (Vtm): Approximately 1.6V at I(T) = 2A
• Package Type: TO-220 or similar

The SCR 2P4M is used in applications requiring controlled rectification, such as in phase control, motor control circuits, and light dimmers. Its relatively low gate trigger voltage and moderate current handling capabilities make it suitable for various AC power control tasks.