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1N4896A/TR
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Product Detailed Parameters
- Description：DIODE ZENER 12.8V 400MW DO7
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：12.8 V
- Tolerance：±5%
- Power - Max：400 mW
- Impedance (Max) (Zzt)：400 Ohms
- Current - Reverse Leakage @ Vr：-
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：DO-204AA, DO-7, Axial
- Voltage - Forward (Vf) (Max) @ If：-
- Grade：-
- Qualification：-
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Overview
The 1N4896A/TR is a temperature-compensated Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 12.8 V with a tolerance of ±5%. The device has a maximum power dissipation of 400 mW and a Zener impedance of 400 Ohms. Maximum reverse leakage current is specified at 15 uA, tested at 500 uA. It operates within a temperature range of -65°C to +175°C. The component utilizes a DO-7 axial through-hole package.
Feature Summary
- Temperature compensated design for stable voltage regulation across varying thermal conditions
- Through-hole axial mounting configuration suitable for standard PCB layouts
Applications
- Precision voltage reference circuits requiring low temperature drift
- Over-voltage protection in sensitive electronic systems
- Biasing networks in analog signal processing equipment
Procurement Notes
Verify the specific suffix TR indicates reel packaging when sourcing. Confirm RoHS status as non-compliant based on available documentation. Ensure the supplier provides official Microchip datasheets to validate the 12.8 V specification and 400 mW power rating. Cross-reference the DO-7 package dimensions against mechanical constraints before integration.
Selection Notes
Select this component when a stable 12.8 V reference is required with minimal temperature coefficient. The 400 mW power rating supports moderate current applications. The wide operating temperature range makes it suitable for industrial environments. Verify that the through-hole form factor aligns with the target assembly process.
Part Context
This part belongs to the 1N48xx series of Zener diodes from Microchip Technology. These components are designed for general-purpose voltage regulation and reference applications. The 1N4896A variant specifically offers temperature compensation characteristics distinct from standard Zener diodes in the same family.
Replacement Considerations
Direct substitutes include other 12.8 V temperature-compensated Zener diodes with matching 400 mW ratings and DO-7 packages. Verify pinout compatibility and electrical tolerances before substitution.
