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1N4766A-1
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Product Detailed Parameters
- Description：DIODE ZENER 9.1V 250MW DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：9.1 V
- Tolerance：±5%
- Power - Max：250 mW
- Impedance (Max) (Zzt)：350 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 6 V
- Operating Temperature：-65°C ~ 175°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 1N4766A-1 is a temperature-compensated Zener 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 applications, operating at a test current of 0.5 mA. It has a maximum DC power dissipation of 500 mW and utilizes a DO-35 axial glass package. The component supports an extended operating temperature range from -65°C to +175°C, ensuring stability in demanding environments.
Feature Summary
- Temperature compensated design for stable reference performance
- Low current operation optimized for precision regulation
- Extended high-temperature capability up to 175°C
Applications
- Precision voltage reference circuits
- Temperature compensated regulator designs
- High-reliability aerospace systems
Procurement Notes
Verify the specific suffix '-1' against official Microchip documentation to confirm exact mechanical or testing variations. Confirm RoHS compliance status directly with the manufacturer as historical data may vary. Ensure the required operating temperature range aligns with the specified -65°C to +175°C limits before integration into final assemblies.
Selection Notes
Select this component when a stable 9.1 V reference is required under varying thermal conditions. The low test current of 0.5 mA makes it suitable for battery-powered or low-power consumption designs. Verify that the 500 mW power rating is sufficient for the expected load conditions within the specified temperature range.
Part Context
This part belongs to the 1N4765 through 1N4774A series of temperature-compensated Zener diodes produced by Microchip. These devices utilize double-plug construction and metallurgical bonding to achieve superior temperature stability compared to standard Zener diodes. They are intended for applications requiring high accuracy over wide temperature spans.
Replacement Considerations
Cross-reference with other manufacturers offering 9.1 V temperature-compensated Zener diodes in the DO-35 package. Verify that substitute parts meet the same 0.5 mA test current and ±5% tolerance requirements to maintain circuit performance.
