1N5239BTR

Single Zener Diodes Overview

The onsemi 1N5239BTR is a single Zener diode with a nominal voltage of 9.1 V and a tolerance of ±5%. It operates within a junction temperature range of −65°C to +200°C and dissipates up to 500 mW. The device features a maximum dynamic impedance of 10 Ω at a test current of 20 mA, with a reverse leakage current of 3 µA. It utilizes an axial lead DO-35 package (Case 017AG) and is supplied in tape and reel packaging.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using a single unidirectional silicon junction.
• Operates reliably across a wide thermal range from −65°C to +200°C.
• Features low dynamic impedance for consistent performance under varying currents.

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clipping and clamping applications

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against official documentation to confirm the exact shipping configuration. Confirm that the component meets all required environmental standards and RoHS compliance specifications before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a precise 9.1 V reference is required with tight tolerance limits. Ensure the application circuit can handle the specified power dissipation and thermal derating requirements above 50°C to maintain reliability.

Single Zener Diodes Part Context

This part belongs to the 1N5221B through 1N5252B series of Zener diodes manufactured by onsemi. The series covers a broad range of voltage ratings from 2.4 V to 24 V, providing standardized options for various voltage regulation needs in electronic designs.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers' 1N5239B equivalents. Verify that any substitute matches the 9.1 V nominal voltage, 5% tolerance, and 500 mW power rating while maintaining compatibility with the DO-35 axial lead package.