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1N4699UR-1/TR
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Product Detailed Parameters
- Description：DIODE ZENER 12V 500MW DO213AA
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：12 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：50 nA @ 9.1 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Surface Mount
- Package / Case：DO-213AA
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 100 mA
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N4699UR-1/TR is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 12 V with a tolerance of 5%. The device operates in the SMD/SMT configuration within a DO-213AA-2 package. Key electrical parameters include a maximum reverse leakage current of 50 nA and a power dissipation rating of 500 mW. The component supports an operating temperature range from -65 C to +175 C, ensuring reliability in demanding environments.
Feature Summary
- Provides stable voltage regulation at a nominal 12 V level
- Utilizes a compact surface-mount DO-213AA-2 package design
- Supports extended industrial temperature operation up to 175 C
- Maintains low reverse leakage current characteristics
Applications
- Voltage reference circuits requiring precise regulation
- Protection stages against overvoltage transients
- Biasing networks in semiconductor devices
Procurement Notes
Verify the specific suffix TR indicates tape and reel packaging when sourcing. Confirm RoHS compliance status as documentation may vary by production batch. Ensure the DO-213AA footprint matches the target PCB layout. Cross-reference the manufacturer part number with authorized distributors to confirm current availability and lead times.
Selection Notes
Select this component for designs requiring a 12 V Zener voltage in a small surface-mount form factor. The 500 mW power rating suits moderate current applications. Verify that the 5% voltage tolerance meets circuit precision requirements. Consider the wide temperature range for harsh environment deployments.
Part Context
This part belongs to the Microchip Technology Zener Diodes category under Diodes & Rectifiers. It is a variant of the standard 1N4699 series, adapted for surface-mount technology. The DO-213AA package offers a smaller profile compared to through-hole alternatives like DO-35.
Replacement Considerations
Direct substitutes include other 12 V Zener diodes in the DO-213AA package with matching 500 mW ratings. Verify pinout compatibility and thermal characteristics before substitution.
