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Product Detailed Parameters
- Description：DIODE ZENER 22V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：22 V
- Tolerance：±2%
- Power - Max：5 W
- Impedance (Max) (Zzt)：3.5 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 15.8 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 1N5358C/TR12 is a silicon axial-lead Zener diode with a nominal voltage of 22 V and a tight tolerance of ±2%. It operates within a temperature range of -65°C to +150°C. The device dissipates up to 5.0 watts at 25°C, featuring a maximum dynamic impedance of 3.5 ohms and a reverse current of 0.5 µA. Packaged in the T-18 case, it includes a tape and reel option indicated by the TR suffix.
Feature Summary
- Provides precise voltage regulation with a tight ±2% tolerance for sensitive circuitry
- Capable of handling high surge stresses and operating at elevated temperatures
- Features flexible axial-lead mounting terminals for through-hole applications
Applications
- Voltage reference circuits requiring stable regulation
- Overvoltage protection systems
- Power supply output regulation
Procurement Notes
Verify the specific suffix configuration against official datasheets before procurement. Confirm that the 'TR' designation aligns with required tape and reel packaging specifications. Ensure compatibility with RoHS compliance requirements if applicable to the manufacturing process. Validate thermal management needs based on the specified power dissipation ratings.
Selection Notes
Select this component when a 22 V Zener voltage with ±2% tolerance is required. Consider the 5-watt power dissipation capability and the wide operating temperature range. Evaluate the need for tape and reel packaging versus bulk quantities. Compare dynamic impedance characteristics against other series members for precision requirements.
Part Context
This part belongs to the JEDEC registered 1N5333B through 1N5388B series of 5.0 watt Zener diodes. The series offers a broad selection of voltages from 3.3 to 200 volts. Different suffix letters identify specific voltage tolerances, with the C suffix denoting ±2% accuracy. The components are plastic encapsulated with Level 1 moisture classification.
Replacement Considerations
Equivalent parts include 1N5358B (±5% tolerance) or 1N5358A (±10% tolerance). Surface mount equivalents are available as SMBG5358Ce3. Verify that substitute components match the required voltage tolerance and package type.
