1N1357

Overview

The Microchip Technology 1N1357 is a single Zener diode designed for voltage regulation applications. It features an 18V nominal Zener voltage and a 10W power dissipation rating. The component is housed in a DO-203AA (DO-4) stud mount package, suitable for high-power thermal management. This device serves as a general-purpose reference or regulator diode within electronic circuits requiring stable voltage control under significant power loads.

Feature Summary

• Provides stable voltage regulation with a fixed 18V Zener potential
• Capable of handling 10W power dissipation for robust performance
• Utilizes a DO-203AA stud mount package for efficient heat transfer

Applications

• Voltage regulation in power supply circuits
• General-purpose reference diode applications
• Overvoltage protection systems

Procurement Notes

Verify the manufacturer origin, as multiple suppliers including New Jersey Semi-Conductor Products offer this part number. Confirm the package type matches your thermal requirements. Ensure the datasheet aligns with your specific electrical tolerance needs before finalizing procurement decisions.

Selection Notes

Select this component when an 18V regulation point is required with high power handling capabilities. The stud mount package necessitates appropriate heatsinking infrastructure. Compare specifications against alternative Zener diodes if lower power consumption or surface-mount packaging is preferred for the design.

Part Context

This component belongs to the standard Zener diode category used for voltage clamping and regulation. It is commonly referenced alongside other 1N series diodes. The part is widely distributed by electronics distributors such as Mouser Electronics and DigiKey, indicating its status as a standard industrial component.

Replacement Considerations

Aftermarket alternatives exist, such as those listed by IR Industrial Controls. Verify pinout compatibility and thermal resistance characteristics when substituting with equivalent parts from different manufacturers to ensure circuit integrity.