1N4462

Single Zener Diodes Overview

The Microchip Technology 1N4462 is a silicon Zener diode with a nominal voltage of 7.5 V and a maximum power dissipation of 1.5 W. It features a standard tolerance of ±5% and operates within a junction temperature range of -65°C to +175°C. The device utilizes a DO-41 axial lead package with a voidless hermetically sealed glass construction and internal metallurgical bonds.

Single Zener Diodes Feature Summary

• Hermetically sealed voidless glass package with tungsten slugs
• Internal Category 1 metallurgical bonds for robust construction
• Triple-layer passivation for enhanced reliability
• Inherently radiation hard

Single Zener Diodes Applications

• Voltage regulation over broad operating current and temperature ranges
• High-reliability applications where failure cannot be tolerated
• Military qualified circuits per MIL-PRF-19500/406

Single Zener Diodes Procurement Notes

Verify the specific reliability level (JAN, JANTX, JANTXV, or JANS) required for your application, as these levels are available under the same JEDEC type number. Confirm RoHS compliance status, noting that compliant versions are restricted to commercial grade only. Ensure the ordering suffix matches the desired tolerance and environmental qualification.

Single Zener Diodes Selection Notes

Select this component for designs requiring high-reliability voltage reference in harsh environments. Consider the thermal impedance characteristics when designing for pulsed operations. Verify that the system can accommodate the specified forward voltage drop during reverse bias testing. Evaluate the surge current capabilities against potential transient events in the circuit.

Single Zener Diodes Part Context

This part belongs to the industry-recognized 1N4460 through 1N4496 series of 1.5-watt Zener voltage regulators. The series offers extensive voltage selections from 3.3 to 200 volts. It serves as a popular JEDEC registered series alternative to surface mount options, providing flexible axial-lead mounting terminals for through-hole implementations.

Single Zener Diodes Replacement Considerations

JAN1N4462

Single Zener Diodes FAQ

What is the dynamic impedance of the 1N4462 at the test current?

The maximum dynamic impedance (ZZT) at the test current (IZT) of 34.0 mA is 2.5 Ohms.

Is the 1N4462 sensitive to electrostatic discharge?

No, the device is non-sensitive to ESD per MIL-STD-750 method 1020.