JAN1N4112C-1

Single Zener Diodes Overview

The JAN1N4112C-1 is a 500 mW metallurgically bonded glass Zener diode in an axial-lead DO-35 package. It provides an 18 V nominal Zener voltage with a ±2% tolerance, as indicated by the 'C' suffix. The device operates within a junction and storage temperature range of -65 °C to +175 °C. Electrical characteristics include a maximum dynamic impedance of 100 Ohms at a test current of 250 µA, a maximum reverse leakage current of 13.7 µA at 13.7 V, and a noise density of 40 µV/√Hz.

Single Zener Diodes Feature Summary

• Hermetically sealed construction utilizing internal metallurgical bonding for high reliability.
• Qualified per MIL-PRF-19500/435 standards for demanding operational environments.
• Inherently radiation hard, suitable for aerospace and defense applications.

Single Zener Diodes Applications

• Voltage regulation over broad ranges of current and temperature
• High reliability military and aerospace circuits
• Radiation-hardened electronic systems

Single Zener Diodes Procurement Notes

Verify that the specific ordering suffix matches the required qualification level (JAN) and voltage tolerance (C for 2%). Confirm RoHS compliance status, as non-RoHS versions are standard for this military grade. Ensure the component meets MIL-PRF-19500/435 specifications before integration into sensitive designs.

Single Zener Diodes Selection Notes

Select the JAN1N4112C-1 when a precise 18 V reference with tight ±2% tolerance is required. This part is appropriate for designs needing hermetic sealing and radiation hardness. Consider the 100 Ohm impedance and 40 µV/√Hz noise density for signal integrity requirements in low-current regulator applications.

Single Zener Diodes Part Context

This component belongs to the 1N4099-1 through 1N4135-1 series of 500 mZener diodes manufactured by Microchip Technology. The series offers voltages from 1.8 to 100 V with various tolerance options. The JAN1N4112C-1 specifically targets applications requiring strict military qualification and robust performance under extreme thermal conditions.

Single Zener Diodes Replacement Considerations

Equivalent parts include JANTX1N4112C-1 and JANS1N4112C-1, which share the same electrical parameters but differ in qualification levels. Commercial equivalents like 1N4112-1 lack the military-grade hermetic sealing and radiation hardness specified for the JAN variant.

Single Zener Diodes FAQ

What does the 'C' suffix indicate in the JAN1N4112C-1 part number?

The 'C' suffix denotes a Zener voltage tolerance of ±2%, providing tighter precision compared to the standard ±5% tolerance found in other variants of the series.

Is the JAN1N4112C-1 radiation hard?

Yes, the device is inherently radiation hard as described in Microsemi MicroNote 050, making it suitable for space and high-radiation environments.