1N5263B

Single Zener Diodes Overview

The onsemi 1N5263B is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 56 V with a tolerance of ±5%. The device operates in the DO-35 axial leaded package, supporting through-hole mounting. Key electrical parameters include a maximum power dissipation of 500 mW and a test current of 2.2 mA. It exhibits a maximum reverse leakage current of 100 nA at 43 V and a dynamic impedance of 150 Ohms. The component is rated for an operating temperature range from -65°C to +200°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using silicon oxide passivated junction technology.
• Features hermetically sealed glass construction with compression bonded design.
• Offers corrosion-resistant external surfaces and solderable leads.

Single Zener Diodes Applications

• Voltage stabilization circuits
• Reference voltage generation
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific manufacturer source, as the 1N5263B designation is utilized by multiple vendors including onsemi and Vishay. Confirm RoHS compliance status and package type (DO-35) against project requirements. Check product lifecycle status, as some listings indicate end-of-life or discontinuation. Ensure the ordering suffix matches the required packaging format before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a 56 V reference is required in a through-hole axial package. The wide operating temperature range up to 200°C supports high-temperature environments. Compare dynamic impedance and leakage current specifications against alternative manufacturers to ensure compatibility with circuit sensitivity requirements.

Single Zener Diodes Part Context

This part belongs to the 1N52xxB series of 0.5 W Zener diodes. The series covers a broad voltage range from 2.4 V to 56 V. These devices are characterized by sharp reverse characteristics and high stability, making them suitable for general-purpose regulation tasks in industrial and commercial electronics.

Single Zener Diodes Replacement Considerations

Equivalent parts include Vishay 1N5263B-TR and Taiwan Semiconductor 1N5263B. Verify pinout and package dimensions match the existing footprint. Cross-reference electrical limits to ensure no derating issues occur during substitution.