The 2N6399G is a silicon controlled rectifier (SCR) in a TO220 package, rated for 12 A and 800 V. This 10piece assortment provides a reliable voltage, current switching solution for power control applications. The TO220 form factor supports easy mounting and heatsinking in compact designs, making it suitable for both through hole and heatsinked installations. Key benefits voltage and current capability: 800 V blocking with 12 A current rating enables control of demanding power loads. Easy heatsinking and mounting: TO220 package supports standard heatsink attachment for improved thermal performance. Simple gatedriven control: SCR provides straightforward phase or zerocross control for efficient power switching. Bulk quantity for stocking and maintenance: 10 pieces per offers convenient procurement for repairs and production. Key attributes Type: silicon controlled rectifier (SCR) / thyristor Model: 2N6399G Ratings: 12 A, 800 V Package: TO220 Quantity: 10 pieces Applications AC power control and light dimming: phase control of AC loads such as lighting and small appliances. Temperature and heater control: regulate heating elements in industrial ovens, furnaces, or process heaters. Power supply switching and protection: use in AC/DC power supplies or control circuits requiring reliable voltage switching.