Littelfuse 1-Element Bi-Directional TVS Diode 600 W, Surface Mount DO-214 Package SMBJ440CA

The Littelfuse SMBJ440CA is a high-performance 1-element bi-directional Transient Voltage Suppression (TVS) diode designed to protect sensitive electronic components from damaging voltage transients induced by lightning and switching events. It is housed in a compact Surface Mount DO-214 package which helps optimize board space in industrial, automotive, and consumer electronics applications.

This TVS diode provides a maximum peak pulse power dissipation of 600 W and is rated with a maximum reverse stand-off voltage of 440 V, with a minimum breakdown voltage of 492 V, ensuring effective protection in demanding conditions. The device’s clamping voltage is 713 V, providing fast and reliable voltage suppression to prevent damage.

Featuring a fast response time typically under 1.0 picosecond, the SMBJ440CA efficiently clamps transient voltage spikes to safe levels. Its electrical characteristics include a maximum peak pulse current of 0.9 A and a maximum reverse leakage current of only 1 μA, which preserves circuit integrity during normal operation.

The diode is designed with a glass passivated chip junction for enhanced stability and long-term reliability. Its construction includes built-in strain relief and matte tin lead-free plating, which supports high temperature soldering at 260°C for 40 seconds on terminals, meeting demanding manufacturing requirements.

Operating temperature spans from -65°C up to 150°C, allowing for use in harsh industrial environments. This diode is compliant with RoHS and Halogen-free standards, supporting environmentally conscious designs.

Designed for transient voltage protection in industrial, automotive, and electronic equipment. Bi-directional diode configuration suitable for AC and DC voltage environments. Compact surface mount package reduces PCB footprint.

High peak pulse power rating of 600 W for robust surge protection. Fast response time minimizes exposure to damaging voltage spikes. Low leakage current preserves normal circuit operation. High temperature soldering capability ensures reliable assembly.

Wide operating temperature range supports diverse application uses.

This product is a key component for ensuring circuit durability and performance in power supply units, industrial machines, automotive electronic control units, and other sensitive electronic systems. Browse more Littelfuse TVS Diodes on EnvMart for dependable transient voltage protection solutions.