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1N4906A
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Product Detailed Parameters
- Description：DIODE ZENER 12.8V 400MW DO7
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：12.8 V
- Tolerance：±5%
- Power - Max：400 mW
- Impedance (Max) (Zzt)：100 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 Microchip Technology 1N4906A is a temperature-compensated Zener diode designed for precision voltage regulation applications. It features a nominal Zener voltage of 12.8 V with a tight tolerance of ±5%. The device is rated for a maximum power dissipation of 400 mW and operates within an extended junction temperature range from -55°C to +100°C. Housed in the DO-7 axial through-hole package, it offers low impedance characteristics suitable for stable reference circuits.
Feature Summary
- Temperature compensation ensures stable voltage output across varying thermal conditions
- Precision voltage regulation with tight manufacturing tolerance
- Robust axial leaded construction for reliable through-hole mounting
Applications
- Precision voltage reference circuits
- Temperature-stable regulator designs
- High-reliability analog signal conditioning
Procurement Notes
Verify the specific suffix requirements against the official Microchip datasheet before ordering. Confirm RoHS compliance status as non-RoHS variants may be available. Ensure the procurement channel sources directly from authorized distributors to guarantee authenticity and traceability for critical applications.
Selection Notes
Select this component when stable voltage regulation under thermal fluctuation is required. The 12.8 V nominal value suits specific reference needs. Verify that the 400 mW power rating aligns with the circuit's thermal dissipation capabilities. The DO-7 package dictates the physical footprint constraints on the printed circuit board layout.
Part Context
This part belongs to the 1N49xx series of temperature-compensated Zener diodes manufactured by Microchip Technology. These devices are engineered to minimize voltage drift caused by temperature changes, distinguishing them from standard Zener diodes. The series is commonly utilized in instrumentation and control systems where long-term stability is paramount.
Replacement Considerations
Consult the official Microchip documentation for verified parameter-equivalent substitutes. Cross-reference voltage, tolerance, and package dimensions carefully. Generic equivalents may lack the specific temperature compensation characteristics required for this application.
