The S4065K is a silicon controlled rectifier (SCR) manufactured by Teccor Electronics (now part of Littelfuse). SCRs are unidirectional, three-terminal, solid-state switching devices that control current flow in electronic circuits. The S4065K is designed for general purpose switching and phase control applications.

Applications

• Phase Control Circuits
• Solid State Relays
• Motor Speed Controls
• Lighting Controls
• Battery Chargers

Features

• High Surge Current Capability: Withstands high surge currents without damage.
• Glass Passivated Junctions: Provides high reliability and stability.
• Sensitive Gate Triggering: Requires a small gate current to initiate conduction.
• Voltage Ratings: Available in different voltage ratings to suit various applications.
• RoHS Compliant: Compliant with the Restriction of Hazardous Substances Directive.

Benefits

• Efficient Switching: Provides efficient and reliable switching control.
• Robust Performance: Withstands harsh operating conditions.
• Simplified Circuit Design: Sensitive gate triggering simplifies gate drive requirements.
• Versatile Applications: Suitable for a wide range of applications requiring AC power control.
• Environmentally Friendly: RoHS compliance ensures minimal environmental impact.

Technical Specifications

• Voltage Rating: Typically 400V to 600V (depending on the specific sub-model)
• On-State Current: Typically 4A
• Gate Trigger Current: Typically 200 μA
• Holding Current: Typically 5 mA
• Surge Current: Up to 50A (non-repetitive)
• Package: TO-220

The S4065K offers reliable performance for controlling AC power in various applications. Refer to the manufacturer's datasheet for detailed specifications and application guidelines.