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Product Detailed Parameters
- Description：DIODE ZENER 25V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：25 V
- Tolerance：±5%
- Power - Max：5 W
- Impedance (Max) (Zzt)：4 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 18 V
- Operating Temperature：-65°C ~ 150°C
- Mounting Type：Through Hole
- Package / Case：T-18, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 1 A
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N5360B/TR12 is a silicon Zener diode with a nominal voltage of 25V and a power dissipation rating of 5W. It features a ±5% tolerance, indicated by the B suffix, and operates within a temperature range of -65°C to +150°C. The device utilizes a T-18 axial lead package and is supplied in tape and reel format per EIA-296 standards.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Withstands high surge stresses specified by voltage regulation characteristics
- Features flexible axial-lead mounting terminals for versatile installation
Applications
- Voltage regulation circuits requiring robust thermal performance
- Power supply protection against transient overvoltages
- Reference voltage generation in industrial environments
Procurement Notes
Verify the specific manufacturer origin, as this part number appears in catalogs from multiple vendors including Microsemi and Central Semiconductor. Confirm RoHS compliance status, as non-compliant variants exist. Ensure the TR12 suffix correctly denotes the tape and reel packaging configuration required for automated assembly processes.
Selection Notes
Select this component when a 5W axial Zener diode with a 25V breakdown is required. The B suffix ensures a tight ±5% voltage tolerance compared to standard A suffix devices. Consider the T-18 package dimensions and thermal resistance specifications to ensure adequate heat sinking for steady-state operation at maximum power dissipation.
Part Context
This component belongs to the JEDEC registered 1N5333 through 1N5388B series of silicon Zener diodes. The series offers a wide selection of voltages from 3.3V to 200V in a single standardized plastic encapsulated package. These devices are designed for applications demanding high reliability and flexibility in mounting configurations.
Replacement Considerations
Surface mount equivalents are available as SMBJ5360B or SMBG5360B. For military screening requirements, prefixes such as MX may be added to the base part number.
