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Product Detailed Parameters
- Description：DIODE ZENER 100V 500MW DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：100 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：340 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 76 V
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Voltage - Forward (Vf) (Max) @ If：1.4 V @ 1 A
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N6348 is a military-qualified Zener voltage regulator diode with a nominal breakdown voltage of 100.0 V at a test current of 1.3 mA. It features a standard 5% tolerance and operates within a junction temperature range of -65 °C to +175 °C. The device dissipates up to 0.5 W steady-state power and withstands a maximum surge current of 2.4 A. It utilizes a voidless hermetically sealed glass package with axial leads.
Feature Summary
- Hermetically sealed construction using voidless hard glass and tungsten slugs for high-reliability environments.
- Qualified per MIL-PRF-19500/533 standards, available in JAN, JANTX, JANTXV, and JANS reliability levels.
- Inherently radiation-hardened design suitable for aerospace applications.
- Non-sensitive to electrostatic discharge (ESD) as verified by MIL-STD-750 method 1020.
Applications
- High-reliability aerospace systems
- Military-grade voltage regulation circuits
- Radiation-hardened electronic designs
Procurement Notes
Verify the specific suffix (e.g., US, CUS, TR) against the datasheet nomenclature to confirm the exact reliability level (JAN, JANTX, JANTXV, or JANS), packaging type (DO-35 or SQ MELF), and RoHS compliance status. Ensure the ordering code matches the required voltage tolerance and terminal finish specifications.
Selection Notes
Select this component when a robust, hermetically sealed Zener diode is required for critical applications. The 1N6348 provides stable voltage regulation across a wide temperature range. Consider the specific reliability grade and package style based on the environmental constraints and mounting requirements of the target system.
Part Context
This part belongs to the 1N6309 through 1N6355D series of 500mW glass Zener diodes manufactured by Microchip/Microsemi. The series offers an extensive selection of voltages from 2.4 V to 200 V with various tolerance options, designed specifically for demanding industrial and defense sectors.
Replacement Considerations
Compatible substitutes include other military-qualified 100V Zener diodes from the same family, such as JANTX1N6348US or JANTXV1N6348CUS, provided they meet the identical MIL-PRF-19500/533 qualification and package dimensions.
FAQ
What is the maximum surge current rating for the 1N6348?
The maximum non-repetitive peak Zener surge current (IZSM) for the 1N6348 is 2.4 A under an 8.3 ms square wave condition.
Is the 1N6348 sensitive to electrostatic discharge?
No, the device is inherently non-sensitive to ESD, having been tested and qualified according to MIL-STD-750 method 1020.
