onsemi Surface Mount 12 V 500 mW Zener Diode, Single, 5% Tolerance, 2-Pin SOD-123 MMSZ5242BT1G

onsemi MMSZ5242BT1G is a high-performance surface mount Zener diode designed as a voltage regulator with a nominal zener voltage of 12 volts and a power dissipation capability of 500 milliwatts. Packaged in a small and compact 2-pin SOD-123 case, it is highly suitable for modern industrial electronics requiring efficient voltage regulation and stability.

This single diode device provides precision voltage regulation with a tolerance of ±5%, making it ideal for protecting sensitive electronic circuits from voltage fluctuations. It supports a test current of 20 mA which ensures consistent operation under typical load.

Its maximum reverse leakage current is very low at 1 microampere, improving overall energy efficiency in power-sensitive applications. The diode’s maximum operating temperature reaches up to 150°C, and it remains reliable at temperatures as low as -55°C, thus suitable for harsh environmental conditions.

The diode’s maximum zener impedance of 30 ohms helps maintain steady voltage levels during transient conditions or varying loads. With a compact height of 1.35 mm and length of 3.86 mm, it fits well onto densely populated circuit boards, minimizing space requirements.

This RoHS-compliant voltage regulator diode is extensively used in industrial electronics for voltage stabilization, ensuring protection and smooth operation of various electronic devices and circuits.

Nominal zener voltage of 12 volts with ±5% tolerance for precise voltage regulation. Single diode in compact 2-pin SOD-123 surface mount package. Maximum power dissipation of 500 milliwatts suitable for low power circuits.

Wide operating temperature range from -55°C to 150°C for reliable use in tough environments. Low maximum reverse leakage current of 1 microampere improves efficiency. Test current of 20 milliamperes supports stable operation.

Maximum zener impedance of 30 ohms ensures voltage stability under load. RoHS compliant and environmentally safe design. Compact dimensions (1.35 mm height, 3.86 mm length) optimize PCB space use. Ideal for industrial electronic voltage regulation and protection applications.

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