1N4625-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N4625-1/TR is a 500 mW metallurgically bonded glass Zener diode in the axial-lead DO-35 package. It provides a nominal Zener voltage of 5.1 V with a standard tolerance of ±5%. The device operates at a test current of 250 µA, featuring a maximum dynamic impedance of 1500 Ohms and a reverse leakage current of 5 µA. It supports an operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Hermetically sealed construction using internal metallurgical bonding for high reliability.
• Capable of regulating voltage across broad ranges of current and temperature variations.
• Offers minimal capacitance characteristics suitable for specific circuit requirements.

Single Zener Diodes Applications

• Voltage regulation in military-grade electronic systems
• Reference voltage sources for precision circuits
• Overvoltage protection components

Single Zener Diodes Procurement Notes

Verify that the ordering suffix matches the required tape and reel packaging format. Confirm the specific reliability level (commercial or MIL-qualified) aligns with project specifications. Ensure the component meets all necessary environmental compliance standards before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a 5.1 V reference is required in an axial-lead package. Consider the 1500 Ohm impedance limit for noise-sensitive designs. Evaluate thermal derating curves if operating near maximum power dissipation limits.

Single Zener Diodes Part Context

This part belongs to the 1N4614-1 through 1N4627-1 series of 500 mZener diodes. These devices are available in various reliability levels including JAN, JANTX, JANTXV, and JANS. The series covers voltages from 1.8 V to 100 V with different tolerance options.

Single Zener Diodes Replacement Considerations

Equivalent parts include JAN1N4625D-1 and JANTX1N4625C-1. Verify package compatibility and electrical parameter alignment before substitution.

Single Zener Diodes FAQ

What is the maximum noise density for this device?

The maximum noise density is specified as 5.0 μV/√Hz at the test current of 250 µA.

How is polarity indicated on the package?

Polarity is indicated by a band on the cathode end of the glass package.