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Product Detailed Parameters
- Description：DIODE ZENER 18V 50W TO204AD
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：18 V
- Tolerance：±5%
- Power - Max：50 W
- Impedance (Max) (Zzt)：2 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 13.7 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Through Hole
- Package / Case：TO-204AD
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 10 A
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Overview
The Microchip Technology 1N2816B is a Zener diode designed for voltage regulation applications. It features an axial leaded package and operates within a temperature range of -65°C to 175°C. The device provides a nominal Zener voltage of 18V with a maximum power dissipation of 1W. This component is qualified under MIL-PRF-19500/114 standards, ensuring reliability for demanding environments.
Feature Summary
- Provides stable voltage regulation at 18V
- Qualified per MIL-PRF-19500/114 military standards
- Operates reliably across extended temperature ranges
Applications
- Voltage regulation in electronic circuits
- Military and aerospace systems requiring high reliability
- Industrial equipment operating in extreme temperatures
Procurement Notes
Verify the specific screening level (JAN, JANTX, or JANTXV) required for your application, as these levels affect performance characteristics and cost. Confirm that the axial leaded package fits your board layout constraints. Ensure compliance with relevant military specifications if used in defense or aerospace projects. Check current availability status directly with the manufacturer or authorized distributors.
Selection Notes
Select this component when a robust 18V Zener diode is needed for high-reliability applications. Consider the 1W power rating and thermal management requirements during design. Evaluate the need for military qualification versus commercial grades based on environmental conditions and budget constraints.
Part Context
This part belongs to the 1N28xx series of 1W Zener diodes manufactured by Microchip Technology. These diodes are widely used in power supplies and protection circuits. The series offers various voltage options to suit different regulatory needs while maintaining consistent physical dimensions and electrical characteristics typical of the family.
Replacement Considerations
Equivalent parts include other 18V Zener diodes from manufacturers like ON Semiconductor or Vishay, provided they meet the same power and tolerance specifications. Verify pin compatibility and thermal resistance values before substitution.
