NEC 3P4M Thyristor 3A 400V TO-202AA

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NEC 3P4M Thyristor 3A 400V TO-202AA NEC 3P4M Thyristor 3A 400V TO‑202AA is a silicon controlled rectifier (SCR) designed for controlled rectification and switching applications in power electronics. This three‑terminal semiconductor device utilizes a P‑gate fully diffused SCR structure to provide reliable turn‑on control of AC or DC power circuits with an average on‑state current of up to 3 A and a repetitive peak off‑state voltage of 400 V. It is housed in a compact TO‑202AA through‑hole package, suitable for traditional PCB assembly and rugged enough for various industrial environments. Features P-gate fully diffused construction for high sensitivity. 400 V repetitive peak off-state voltage rating. 3 A average on-state current with 4.7 A RMS capability. Extremely low gate trigger current of maximum 0.2 mA. Specifications Parameter Details Model 3P4M Technology P-Gate SCR (Thyristor) Repetitive Peak Off-State Voltage 400V Non-Repetitive Peak Off-State Voltage 500V Average On-State Current 3A RMS On-State Current 4.7A Surge On-State Current 65A (50 Hz) / 70A (60 Hz) Gate Trigger Current 0.2mA (max) Gate Trigger Voltage 0.8V (max) On-State Voltage 1.6V (max at 10A) Holding Current 5mA (max) Junction Temperature -40°C to +125°C Package TO-202AA (Radial Leads) Dimensions Pin Configuration Pin No. Connection Function / Description 1 Cathode Main current-carrying terminal 2 Anode Main current-carrying terminal 3 Gate Control terminal Applications AC power control and phase‑angle firing circuits. Motor speed controllers and power regulators. Controlled rectifiers in power supplies. Solid state switches for industrial and consumer electronics. Temperature and lighting control systems. Package Contents 1 x NEC 3P4M Thyristor 3A 400V TO-202AA Datasheet 3P4M