1N5245B

Single Zener Diodes Overview

The onsemi 1N5245B is a single silicon Zener diode housed in an axial lead DO-35 (DO-204AH) glass package. It provides a nominal voltage of 15 V with a tolerance range of 14.25 V to 15.75 V at a test current of 8.5 mA. The device dissipates up to 500 mW and maintains a maximum reverse leakage current of 100 nA at 11 V. Its Zener impedance is 16 Ohms, and it operates within a temperature range of -65°C to +200°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using a single unidirectional Zener junction.
• Constructed in a hermetically sealed glass axial-lead package for reliable performance.
• Features a positive voltage temperature coefficient suitable for higher voltage applications.

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• General-purpose voltage regulation

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against the manufacturer's datasheet to confirm shipping format, such as bulk bags or tape and reel configurations. Ensure compliance with RoHS and halide-free requirements if specified for the project. Confirm that the component meets all applicable environmental standards before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a precise 15 V reference is required in a through-hole design. Consider the 5% tolerance and 16 Ohm impedance for circuit stability. Evaluate the thermal derating characteristics above 50°C to ensure the power dissipation limits are not exceeded during operation.

Single Zener Diodes Part Context

This part belongs to the 1N5221B through 1N5252B series of 0.5 W Zener Voltage Regulators. The series offers a wide selection of voltages from 2.4 V to 24 V in standard 5% tolerances. These components utilize a glass axial-lead construction designed for general electronic applications requiring reliable voltage control.

Single Zener Diodes Replacement Considerations

Cross-reference other manufacturers' 1N5245B equivalents to verify pinout compatibility and electrical parameter alignment. Ensure replacement parts match the DO-35 package dimensions and operating temperature ranges.