2n6509G Transistor Rectifier (ON) TO-220 Code: 34879903

The 2N6509G is an 800V, 25A Silicon Controlled Rectifier (SCR) housed in a TO-220AB package, primarily used for AC power control. It features glass-passivated junctions and a rugged Thermopad construction, making it ideal for motor drives, heating controls, and crowbar circuits.

Key Specifications

• Repetitive Peak Off-State Voltage :800 V
• On-State RMS Current :25 A
• Average On-State Current :16 A
• Peak Non-Repetitive Surge Current :250 A
• Gate Trigger Current :30 to 40 mA
• Gate Trigger Voltage :Max 1.5 V
• Operating Junction Temperature:-40°C to +125°C
• Package:TO-220AB (3-pin through-hole)

Core Applications

Because of its high surge capacity and durable build, the 2N6509G is widely used in:

• Half-wave AC control applications
• Industrial and residential motor drives
• Heating controls and HVAC systems
• Overvoltage protection / crowbar circuits in power supplies