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Product Detailed Parameters
- Description：DIODE ZENER 15V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：15 V
- Tolerance：±20%
- Power - Max：5 W
- Impedance (Max) (Zzt)：2.5 Ohms
- Current - Reverse Leakage @ Vr：1 µA @ 10.8 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 1N5352/TR12 is a silicon 5-watt Zener diode from the JEDEC registered 1N5333B-1N5388B series. It provides voltage regulation at a nominal Zener voltage of 15V with a ±5% tolerance, indicated by the 'B' suffix. The device operates within a temperature range of -65°C to +150°C and features a T-18 axial lead package. The '/TR12' designation specifies tape and reel packaging compliant with EIA-296 standards.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Features flexible axial-lead mounting terminals for through-hole applications
- Withstands high surge stresses and exhibits minimal voltage change versus current
- Moisture classification Level 1 requiring no dry pack storage
Applications
- Voltage regulation in power supply circuits
- Reference voltage sources for electronic systems
- Overvoltage protection components
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm the tape and reel configuration. Confirm RoHS compliance status as standard variants may differ from e3 designations. Ensure the component matches the required thermal dissipation capabilities for the intended application environment.
Selection Notes
Select this component when a 15V regulation point is required with a 5-watt power rating. Consider the T-18 package dimensions for board layout constraints. Evaluate thermal resistance requirements based on the specific heat sinking method, whether lead-mounted or PCB-mounted.
Part Context
This part belongs to the 1N5333B through 1N5388B series of silicon Zener diodes manufactured by Microsemi (now Microchip Technology). The series covers a wide voltage range from 3.3V to 200V. The 1N5352 variant specifically targets the 15V regulation segment within this family.
Replacement Considerations
Surface mount equivalents are available in the SMBJ5333-SMBJ5388B or SMBG5333B-SMBG5388B series. Verify pinout compatibility and thermal performance when substituting surface mount devices for these axial leads.
