The L4004L5TP is a silicon controlled rectifier (SCR) manufactured by Littelfuse. SCRs are three-terminal, solid-state switching devices that can control relatively large currents and voltages after being triggered by a small gate current. This device is commonly used in applications requiring high-current switching and control.

Applications

• Solid-state relays (SSRs)
• Motor control circuits
• Phase control circuits (e.g., light dimmers)
• Voltage regulators
• Ignition systems

Features

• Repetitive Peak Off-State Voltage: 400V
• RMS On-State Current: 4A
• Gate Trigger Current: 200μA (Maximum)
• High Surge Current Capability
• Sensitive Gate Triggering
• RoHS Compliant

Benefits

• High Current Control: Capable of switching and controlling significant current levels, suitable for demanding applications.
• Precise Control: SCRs can be triggered with a small gate current providing accurate control over the load.
• Reliable Switching: Solid-state design provides reliable and long-lasting performance compared to mechanical relays.
• Compact Size: Offers a smaller footprint compared to traditional electromechanical solutions for high-current switching.
• Environmentally Compliant: RoHS compliance ensures adherence to environmental regulations.

Technical Specifications

Key specifications for the L4004L5TP:

• Repetitive Peak Off-State Voltage (VDRM/VRRM): 400V
• RMS On-State Current (IT(RMS)): 4A
• Peak Surge Current (ITSM): 40A
• Gate Trigger Voltage (VGT): 0.8V (Maximum)
• Gate Trigger Current (IGT): 200μA (Maximum)
• Holding Current (IH): 5mA (Typical)
• Operating Junction Temperature Range: -40°C to +125°C
• Package: TO-251 (I-PAK)

The L4004L5TP provides a robust and reliable solution for high-current switching applications. Its sensitive gate triggering, high surge current capability, and compact package make it a suitable choice for various industrial and consumer electronic applications.