onsemi 1.39 V Zener Diode Single 300 mW 5% Surface Mount 2-Pin SOD-323 MM3Z3V9T1G

onsemi MM3Z3V9T1G is a single Zener diode designed for surface mount applications in a compact 2-pin SOD-323 (SC-76) package. It features a nominal Zener voltage of 1.39 V and a power dissipation rating of 300 mW, making it suitable for voltage regulation and voltage reference functions in electronic circuits.

This diode operates with a maximum reverse leakage current of only 3 microamperes and can reliably function across a wide temperature range from -65°C to 150°C. The 5% voltage tolerance and Zener impedance of 90 ohms ensure stable voltage regulation, while the typical voltage temperature coefficient of -2.5 mV/K allows predictable behavior over temperature variation.

The MM3Z3V9T1G is primarily employed in semiconductor, electronics manufacturing, and industrial power regulation applications where precise voltage control and low power dissipation are critical. Its small surface mount footprint optimizes space on PCBs in instrumentation, control systems, and consumer electronics.

This diode is part of the MM3ZxxxT1G series by onsemi, known for robust performance and reliability in discrete semiconductor solutions. It supports efficient voltage clamping and regulation in sensitive electronics operating environments.

Nominal Zener voltage of 1.39 V for accurate voltage regulation. Maximum power dissipation rating of 300 mW to manage power load safely. Surface mount SOD-323 package for compact PCB integration. Low reverse leakage current enhances device stability and longevity.

Wide operating temperature range from -65°C to 150°C suits harsh industrial environments. 2-pin assembly facilitates straightforward circuit design and installation. Voltage temperature coefficient of -2.5 mV/K for reliable thermal performance.

Typical applications include power regulation, voltage referencing, and circuit protection.

For engineers and designers seeking reliable Zener Diodes for voltage regulation tasks, onsemi MM3Z3V9T1G offers a balance of size, power handling, and precision. Browse the Electronics & Electricals category at EnvMart for additional semiconductor components and discrete diodes.