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Product Detailed Parameters
- Description：DIODE ZENER 51V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：51 V
- Tolerance：±10%
- Power - Max：5 W
- Impedance (Max) (Zzt)：27 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 36.7 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 1N5369AE3/TR8 is a silicon 5.0-watt Zener diode from the JEDEC registered 1N5333B through 1N5388B series. It provides voltage regulation at a nominal Zener voltage of 51 V with a ±10% tolerance, indicated by the 'A' suffix. The device features an axial-lead T-18 package and operates within a temperature range of -65°C to +150°C. Electrical characteristics include a maximum dynamic impedance of 27 Ohms and a maximum reverse current of 500 nA. The component is RoHS compliant, designated by the 'e3' suffix, and supplied in tape and reel packaging.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Withstands high surge stresses and exhibits minimal changes in voltage versus current
- Features flexible axial-lead mounting terminals for standard through-hole applications
- Moisture classification is Level 1 per IPC/JEDEC J-STD-020B, requiring no dry pack
Applications
- Voltage regulation circuits requiring 5-watt power dissipation
- High current applications supported by adequate heat sinking
- General purpose electronic equipment utilizing axial-lead components
Procurement Notes
Verify the specific suffix requirements against official datasheets before procurement. Confirm that the 'e3' designation aligns with RoHS compliance needs and that the 'TR8' or similar tape and reel specifications match automated assembly requirements. Ensure thermal management strategies account for the specified junction-to-lead thermal resistance when operating near maximum ratings.
Selection Notes
Select this component for applications requiring a 51 V reference with moderate precision. The ±10% tolerance suits general regulation tasks where tighter tolerances are unnecessary. Consider the T-18 package dimensions for PCB layout and verify that the lead length allows for proper heat sinking to maintain performance within the specified thermal limits.
Part Context
This part belongs to the 1N5333B through 1N5388B series of silicon 5-watt Zener diodes originally manufactured by Microsemi, now part of Microchip Technology. The series offers a wide selection of voltages from 3.3 V to 200 V. The 'e3' suffix indicates RoHS compliance with annealed matte-tin plating on the terminals, while the 'TR' suffix denotes tape and reel packaging for efficient handling.
Replacement Considerations
Public confirmed substitute part numbers: SMBJ5369A (EVVO).
FAQ
What does the 'e3' suffix indicate for this component?
The 'e3' suffix indicates that the device is RoHS compliant and features annealed matte-tin plating on its terminals.
How is the voltage tolerance determined for this part number?
The 'A' suffix in the part number designates a standard voltage tolerance of plus or minus 10%.
