onsemi 2-Element Uni-Directional TVS Diode 300 W, 3-Pin SOT-23 SM05T1G

onsemi SM05T1G is a high-performance 2-Element Uni-Directional Transient Voltage Suppressor (TVS) Diode designed for reliable protection against voltage and electrostatic discharge (ESD) events. Featuring a compact 3-pin SOT-23 surface mount package measuring 3.04 mm in length, 1.4 mm in width, and 1.01 mm in height, this component integrates dual silicon diodes with a common anode configuration. The design enables protection for two distinct lines within a single package, making it ideal for space-constrained circuit boards.

This TVS diode withstands peak pulse power dissipation of 300 W (8x20 μs waveform) and a maximum peak pulse current of 17 A, with a minimum breakdown voltage of 6.2 V. Its maximum reverse stand-off voltage is 5 V, and it exhibits a clamping voltage of 9.8 V, effectively suppressing transient voltage spikes that can otherwise damage sensitive electronics.

Engineered for stable operation across a wide temperature range from -55°C to 150°C, the SM05T1G features a low maximum reverse leakage current of 10 microamperes, enhancing overall circuit efficiency. The device complies with the AEC-Q101 automotive standard, confirming its suitability for automotive electronic applications where reliability is critical.

The diode's robust thermosetting plastic case with corrosion-resistant finish ensures durable mechanical protection and compatibility with automated assembly manufacturing processes. It tolerates a maximum soldering case temperature of 260°C for 10 seconds, supporting efficient PCB assembly.

This TVS diode is primarily used to safeguard voltage-sensitive equipment such as computers, communication systems, printers, business machines, and medical devices from damaging voltage surges and ESD events. Its dual-element, uni-directional protection mechanism and small footprint optimize board space utilization.

Dual monolithic silicon diodes for dual-line voltage protection in compact PIC size. Uni-directional transient voltage suppression ensures ESD and voltage spike protection. Surface mount SOT-23 package designed for compact, high-density PCB layouts.

High peak pulse power of 300 W supports robust transient energy absorption. Wide operating temperature range: -55°C to 150°C for diverse environmental applications. Low leakage current and reliable operation maximize electronic device longevity.

Conforms to automotive AEC-Q101 standard for enhanced reliability. Corrosion-resistant body and high soldering temperature tolerance enable automated assembly. Ideal for protecting computers, communication equipment, medical and business machines.

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