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Product Detailed Parameters
- Description：DIODE ZENER 8.4V 500MW DO7
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：8.4 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：15 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 5.5 V
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：DO-204AA, DO-7, Axial
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The Microchip Technology 1N3156/TR is a temperature-compensated Zener reference diode housed in a DO-7 (DO-204AA) glass axial-leaded package. It provides a nominal voltage of 8.4 V with a maximum temperature coefficient of 0.005%/°C when operated at a test current of 10 mA. The device features a power dissipation rating of 500 mW, a reverse leakage current of 10 µA, and a Zener impedance of 15 Ω. It operates within a temperature range of -65°C to +175°C.
Feature Summary
- Temperature compensated design for minimal voltage change across wide thermal ranges
- Hermetically sealed glass axial-leaded construction for environmental stability
- Zero-TC reference characteristics optimized for precision applications
Applications
- Precision voltage reference circuits
- Temperature compensation networks
- High-reliability analog signal conditioning
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm compliance status and packaging type. Confirm that the TR suffix denotes tape-and-reel packaging rather than bulk. Ensure the component meets all required military or commercial qualification standards before procurement.
Selection Notes
Select this component for applications requiring stable voltage references under varying thermal conditions. Verify that the 10 mA operating current aligns with system power constraints. Ensure the DO-7 package dimensions fit the target PCB layout and that the 500 mW power rating accommodates expected thermal loads.
Part Context
This part belongs to the 1N3154 through 1N3157A series of Zero-TC Reference Diodes. These devices are designed to provide consistent performance in demanding environments. The series includes various military qualifications such as JAN, JANTX, and JANTXV variants alongside commercial options.
Replacement Considerations
Consult official Microchip documentation for verified substitute part numbers. Cross-reference specifications carefully to ensure compatibility with temperature coefficients and voltage tolerances.
