The Q4040K7 is a 40 Amp Alternistor TRIAC manufactured by Teccor Electronics (now part of Littelfuse). It is designed for AC switching applications, providing high surge current capability and high noise immunity. This TRIAC is commonly used in motor control, lighting control, and heating control circuits.

Applications:

• Motor Control
• Lighting Control
• Heating Control
• Solid State Relays
• AC Power Switching

Features:

• High Surge Current Capability
• High Noise Immunity
• Glass Passivated Junctions
• High Commutating dv/dt
• RoHS Compliant

Benefits:

• Reliable switching performance in harsh environments.
• Protection against voltage transients and noise.
• Improved system reliability with robust construction.
• Efficient switching of AC loads.
• Environmentally friendly due to RoHS compliance.
• High blocking voltage.

Technical Specifications:

The Q4040K7 has a repetitive peak off-state voltage of 400V and a RMS on-state current of 40A. The surge current capability is 400A. It is available in a TO-218 package. The operating junction temperature range is -40°C to +125°C.