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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：±5%
- 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 1N5369BE3/TR12 is a silicon 5-watt Zener diode from the JEDEC registered 1N5333-5388B series. It provides voltage regulation at a nominal Zener voltage of 51 V 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 maximum reverse current of 0.5 µA tested at 38.8 V. It utilizes a T-18 axial lead package and is supplied in tape and reel format.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Withstands high surge stresses and exhibits minimal voltage change versus current
- Features flexible axial-lead mounting terminals for through-hole integration
Applications
- Voltage regulation circuits requiring 51 V reference
- Power supply protection against overvoltage conditions
- General purpose rectification and clamping applications
Procurement Notes
Verify component authenticity and datasheet revision status before procurement. Confirm RoHS compliance and specific packaging requirements. Ensure adequate heat sinking is available as thermal performance depends on mounting conditions. Check for end-of-life notifications or discontinuance notices prior to finalizing orders.
Selection Notes
Select this component when a 51 V Zener voltage with tight ±5% tolerance is required. Consider the 5 W power dissipation capability and T-18 package size for mechanical constraints. Evaluate thermal resistance requirements based on the intended mounting method, whether lead-mounted or PCB-mounted, to ensure operation within safe limits.
Part Context
This part belongs to the Microsemi (now Microchip) 1N5333B through 1N5388B series of silicon 5-watt Zener diodes. The series covers a wide voltage selection from 3.3 V to 200 V. The 'e3' suffix indicates RoHS compliance, while 'TR12' denotes the tape and reel packaging configuration.
Replacement Considerations
Consult official manufacturer documentation for verified substitute part numbers. Cross-referencing should be performed carefully to match voltage, power, and tolerance specifications.
