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1N4916A
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Product Detailed Parameters
- Description：DIODE ZENER 19.2V 500MW DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：19.2 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：600 Ohms
- Current - Reverse Leakage @ Vr：-
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The Microchip Technology 1N4916A is a single Zener diode designed for voltage regulation and reference applications. It features a nominal Zener voltage of 19.2 V with a tight tolerance of ±5%. The device is rated for a maximum power dissipation of 500 mW, making it suitable for low-power circuit protection and stabilization tasks. It utilizes a DO-35 (DO-204AH) axial through-hole package, ensuring reliable mounting on printed circuit boards. This component is classified as temperature compensated, providing stable performance across operating conditions.
Feature Summary
- Temperature compensated design ensures stable voltage regulation under varying thermal conditions
- Tight voltage tolerance of ±5% maintains precision in reference and protection circuits
- Through-hole DO-35 package facilitates easy integration into standard PCB layouts
Applications
- Voltage regulation in low-power electronic circuits
- Overvoltage protection for sensitive components
- Voltage reference sources in analog signal processing
Procurement Notes
Verify the specific suffix (e.g., /TR) to confirm packaging type and compliance status such as RoHS. Confirm availability as this part may not be normally stocked by all distributors. Ensure the DO-35 package matches your board design requirements before ordering.
Selection Notes
Select this component when a 19.2 V Zener voltage with high precision is required. The 500 mW power rating limits its use to low-current applications. Consider the through-hole package constraint if surface-mount solutions are preferred for automated assembly processes.
Part Context
This part belongs to Microchip's series of single Zener diodes. It shares the DO-35 form factor with other variants in the family but differs in breakdown voltage and tolerance specifications. The 1N4916A is distinct from rectifier diodes despite similar numbering conventions in some legacy systems.
Replacement Considerations
Check for direct substitutes with identical 19.2 V Zener voltage and ±5% tolerance. Verify that replacement parts support the same 500 mW power dissipation and DO-35 package dimensions to ensure mechanical compatibility.
