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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：±10%
- 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 1N5358A/TR12 is a silicon Zener diode with a nominal voltage of 22V and a power dissipation rating of 5.0 watts at 25°C. It belongs to the JEDEC registered 1N5333-5388B series, utilizing a T-18 axial leaded plastic package. The 'A' suffix indicates a standard voltage tolerance of plus or minus 10%. This component operates within a temperature range of -65°C to +150°C and features flexible mounting terminals.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Features flexible axial-lead mounting terminals for versatile installation
- Withstands high surge stresses and exhibits minimal voltage change versus current
- Non-sensitive to electrostatic discharge per MIL-STD-750 Method 1020
Applications
- Voltage regulation in electronic circuits
- Protection against voltage spikes and surges
- Reference voltage sources in power supplies
Procurement Notes
Verify that the specific part number matches the required tolerance and packaging configuration. Confirm compliance requirements such as RoHS status if applicable, noting that the base series includes both compliant and non-compliant variants. Ensure the supplier provides documentation confirming the device meets the specified electrical characteristics and moisture classification standards.
Selection Notes
Select this component when a 22V regulation point with a 10% tolerance is required. Consider the 5-watt power rating and thermal management needs, as performance depends on adequate heat sinking. Evaluate the T-18 through-hole package constraints against board layout requirements. Compare against other series members if different voltage levels or tighter tolerances are needed.
Part Context
This device is part of the 1N5333B through 1N5388B series manufactured by Microsemi (now Microchip Technology). The series offers a wide selection of voltages from 3.3V to 200V. Variants include military screening options with prefixes like MQ, MX, or MV, and surface mount equivalents are available in SMBJ and SMBG packages.
Replacement Considerations
Equivalent parts include the 1N5358B for a tighter 5% tolerance or the 1N5358BE3 for RoHS compliance. Surface mount replacements are available in the SMBJ5358A series.
