The BT151X-800C is a high-performance silicon controlled rectifier (SCR) from WeEn Semiconductors, designed for a wide range of applications requiring unidirectional current control. It features high blocking voltage and surge current capability, ensuring robust and reliable operation in demanding environments. The 'X' in the part number signifies enhanced performance or parameter selection compared to standard versions.

Applications:

• Solid-state relays
• Motor speed control
• Phase control circuits
• Battery chargers
• Lighting control

Features:

• High blocking voltage (800V)
• High surge current capability
• Planar passivated for high reliability
• Sensitive gate triggering
• Standard TO-220 package

Benefits:

• Reliable unidirectional current control
• Improved energy efficiency
• Long lifespan and low maintenance
• Enhanced safety due to high blocking voltage

Additional Details:

The BT151X-800C SCR has a repetitive peak off-state voltage of 800V, making it suitable for 230V AC line applications with sufficient safety margin. It typically has a gate trigger current of 200 μA, enabling easy triggering from low-power control circuits. The device's high surge current capability ensures robust performance under transient load conditions. The holding current is typically 6mA. It operates over a temperature range of -40°C to +125°C. The TO-220 package provides efficient heat dissipation with a thermal resistance of approximately 4.0 °C/W (junction to case). This SCR offers a reliable solution for unidirectional current control in various applications.