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1N4766/TR
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Product Detailed Parameters
- Description：DIODE ZENER 9.1V 500MW DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：9.1 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：350 Ohms
- Current - Reverse Leakage @ Vr：-
- Operating Temperature：0°C ~ 75°C
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Voltage - Forward (Vf) (Max) @ If：-
- Grade：-
- Qualification：-
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Overview
The 1N4766/TR is a temperature-compensated Zener reference diode manufactured by Microchip Technology. It features a nominal Zener voltage of 9.1 V with a tolerance of ±5%. The device is designed for low current operation, specifically in the ranges of 0.5 mA and 1.0 mA. It utilizes a DO-204AH (DO-35) through-hole package and is supplied in a reel format. The component employs metallurgical bonding to ensure stability and reliability under varying thermal conditions.
Feature Summary
- Temperature compensated design for stable reference performance
- Metallurgically bonded construction for enhanced durability
- Optimized for low current range applications
Applications
- Precision voltage reference circuits
- Temperature compensated regulator designs
- Low current stabilization systems
Procurement Notes
Verify the specific datasheet version for the 1N4766/TR to confirm electrical characteristics and mechanical dimensions. Ensure compatibility with existing PCB footprints for the DO-35 package. Confirm that the reel packaging aligns with automated assembly requirements. Cross-reference the manufacturer part number to avoid confusion with non-compensated variants in the same series.
Selection Notes
Select this component when a stable voltage reference is required across a wide temperature range. The 1N4766/TR is suitable for applications demanding low power consumption due to its optimized low-current operation. Consider the DO-35 package constraints for board space. Verify that the 9.1 V output matches the system's reference needs before integration.
Part Context
This part belongs to Microchip's family of temperature-compensated Zener diodes. These devices are engineered to provide superior voltage stability compared to standard Zener diodes by utilizing complementary transistor structures within the junction. The 1N4766/TR specifically targets the 9.1 V nominal voltage segment, offering a reliable solution for precision analog circuits requiring minimal drift.
Replacement Considerations
Direct substitutes may include other temperature-compensated Zener diodes with a 9.1 V nominal voltage and similar current ratings. Verify pinout compatibility and package dimensions for the DO-35 form factor. Ensure the replacement maintains the metallurgical bonding technology if long-term stability is critical.
