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Product Detailed Parameters
- Description：DIODE ZENER 15V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Zener (Nom) (Vz)：15 V
- Tolerance：±5%
- 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 1N5352B/TR12 is a silicon 5.0-watt Zener diode from the JEDEC registered 1N5333-5388B series, featuring a nominal voltage of 15V with ±5% tolerance. It operates within a temperature range of -65°C to +150°C and utilizes an axial T-18 package. The device includes a TR suffix for tape and reel packaging per EIA-296 standards.
Feature Summary
- Provides stable voltage regulation across broad operating current and temperature ranges
- Features flexible axial-lead mounting terminals for through-hole applications
- Withstands high surge stresses and exhibits minimal voltage change versus current
- Moisture classification is Level 1 per IPC/JEDEC J-STD-020B without requiring dry pack
Applications
- Voltage regulation in power supply circuits
- Reference voltage generation in electronic systems
- Overvoltage protection components
Procurement Notes
Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm RoHS compliance status via the e3 suffix if required. Ensure the TR suffix matches the intended tape and reel handling requirements. Validate that the B suffix corresponds to the necessary ±5% voltage tolerance for the specific design application.
Selection Notes
Select this component when a 15V Zener reference with 5W power dissipation is required. Consider the thermal resistance characteristics and derating curves for adequate heat sinking. Verify lead length requirements as thermal ratings depend on 3/8 inch lead extension. Evaluate the maximum regulator current limits relative to the expected load conditions.
Part Context
This part belongs to the 1N5333B through 1N5388B series of silicon 5-watt Zener diodes manufactured by Microsemi (now Microchip Technology). The series offers a wide selection of voltages from 3.3V to 200V with various tolerance options identified by suffix letters. These devices are designed for robust performance in demanding environments.
Replacement Considerations
Consult the manufacturer's documentation for direct equivalents or cross-reference lists. Verify pinout compatibility and thermal characteristics before substituting. Ensure any replacement part meets the same JEDEC registration standards and voltage tolerance requirements.
