Littelfuse Uni-Directional 1-Element TVS Diode 400W Peak Pulse Power, 2-Pin DO-214 SZ1SMA43AT3G

Littelfuse SZ1SMA43AT3G is a high-performance uni-directional 1-element transient voltage suppressor diode designed for circuit protection. It is engineered to protect sensitive electronic devices against damaging voltage spikes caused by transient surges. With a peak pulse power handling capability of 400 watts, this TVS diode efficiently clamps voltage transients, safeguarding components from damage.

Featuring a robust surface mount DO-214 package with 2 pins, the diode is suitable for compact PCB applications requiring reliable surge protection. The device has a minimum breakdown voltage (Vbr) of 47.8 volts and a maximum reverse stand-off voltage (Vwm) of 43 volts, allowing it to tolerate normal operating voltages while swiftly responding to surges.

This diode operates effectively over a wide temperature range of -65°C to 150°C, ensuring stable protection in harsh industrial and automotive environments. The low maximum leakage current of 2.5 microamps helps maintain efficiency within circuits by limiting power dissipation during normal operation.

The SZ1SMA43AT3G TVS diode is designed to meet Automotive Standard AEC-Q101, making it suitable for automotive and transportation applications requiring strict reliability. Its fast response time and excellent clamping voltage of 69.4 volts contribute to its superior protection capabilities against transient voltage events.

With a maximum peak pulse current rating of 5.8 amperes, it robustly suppresses transient surges, preventing damage to downstream components in electronic power systems, telecommunication, industrial control, and other sensitive equipment.

Peak pulse power dissipation of 400W for high-energy transient suppression. Compact 2-pin DO-214 surface mount package for efficient mounting. Wide operating temperature range from -65°C to 150°C. Low leakage current minimizes power loss during normal operation.

Automotive AEC-Q101 standard certified for automotive-grade reliability. Fast response time protects circuits against fast transient spikes. Single element construction for effective uni-directional voltage clamping. Dimensions: 4.57mm length, 2.92mm width, and 2.05mm height.

This Littelfuse TVS Diode is ideal for industrial, automotive, telecommunications, and manufacturing applications requiring robust transient voltage protection to enhance equipment resilience and longevity. It protects power supplies, signal lines, and sensitive components from voltage spikes caused by load switching, lightning, and electrostatic discharge events.

Explore our extensive selection of semiconductor components for advanced electronic designs. Littelfuse products deliver industry-leading performance and durable protection solutions.