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Product Detailed Parameters
- Description：DIODE ZENER 8.2V 10W DO213AA
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：8.2 V
- Tolerance：±5%
- Power - Max：10 W
- Impedance (Max) (Zzt)：1.5 Ohms
- Current - Reverse Leakage @ Vr：50 µA @ 6.2 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Chassis, Stud Mount
- Package / Case：DO-203AA, DO-4, Stud
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 2 A
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Overview
The JANTX1N2972RB is a hermetically sealed silicon Zener diode manufactured by Microchip Technology. It features an 8.2V nominal Zener voltage with a 5% tolerance and a maximum dynamic impedance of 1.5 ohms at a test current of 3.5mA. The device is designed for stud-mount installation in the DO-4 metal package, providing high reliability for demanding environments. It operates within a temperature range of -65°C to +175°C and dissipates up to 10W of power.
Feature Summary
- Hermetically sealed construction in a metal DO-4 package for environmental protection
- Stud-mount configuration for secure mechanical attachment and thermal management
- High-reliability silicon design suitable for harsh operating conditions
Applications
- Military aerospace electronic systems requiring radiation hardness
- High-reliability voltage regulation circuits
- Industrial equipment operating in extreme temperature ranges
Procurement Notes
Verify the specific ordering suffix and manufacturer lot traceability before purchase. Confirm that the component meets the required military or space-grade specifications. Check for availability as this may be a special order item. Ensure the mounting hardware matches the stud-mount requirements of the DO-4 package.
Selection Notes
Select this component when a hermetically sealed Zener diode with high power dissipation is required. The DO-4 package allows for direct mounting to heat sinks or chassis. Consider the 8.2V voltage rating and 10W power limit against circuit demands. Verify compatibility with existing board layouts for stud-mount installation.
Part Context
This part belongs to the 1N2972 series of high-power Zener diodes. It is a specialized variant of the standard 1N2972B, offering enhanced reliability through hermetic sealing. The series is commonly used in applications where standard plastic packages would fail due to environmental stress or radiation exposure.
Replacement Considerations
The 1N2972B is a non-hermetic equivalent but shares similar electrical characteristics. Verify if hermetic sealing is strictly required for the application. Other DO-4 packaged Zener diodes with matching voltage and power ratings may serve as substitutes if pinout and mounting dimensions align.
