The S4M02-600F is a sensitive gate silicon-controlled rectifier (SCR) from Teccor Electronics (now part of Littelfuse). It is designed for applications requiring high surge current capability and gate sensitivity. This SCR is commonly used in solid-state relays, motor controls, and other power switching circuits.

Applications

• Solid-state relays (SSRs)
• Motor speed controls
• Phase control circuits
• Lighting controls
• Voltage regulators

Features

• Sensitive gate triggering
• High surge current capability
• Glass passivated junction
• RoHS compliant

Benefits

• Easy to trigger with low gate current
• Reliable operation in harsh environments
• Long-term stability
• Environmentally friendly

Detailed Specifications

The S4M02-600F has a repetitive peak off-state voltage of 600V and an average on-state current of 4A. It features a gate trigger current of typically 200 μA, making it suitable for direct interfacing with low-power control circuits. The surge current rating is up to 40A, which is essential for handling transient overloads. The operating temperature range is typically -40°C to +125°C. The device is packaged in a TO-251 (IPAK) package, which is designed for surface mounting on printed circuit boards (PCBs).

This Teccor/Littelfuse SCR provides a robust and reliable solution for controlling AC power in a variety of applications. Its sensitive gate triggering allows for simple and efficient control using low-power signals. The high surge current capability ensures that it can withstand transient overloads without damage, enhancing system reliability.

The glass-passivated junction provides long-term stability and reliability, ensuring consistent performance over the device's lifespan. Its RoHS compliance ensures that it meets environmental regulations, making it a suitable choice for applications where environmental considerations are important. The S4M02-600F is a versatile and reliable SCR that offers excellent performance in a wide range of power control applications.