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1N4757E3/TR13
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Product Detailed Parameters
- Description：DIODE ZENER 51V 1W DO204AL
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：51 V
- Tolerance：±10%
- Power - Max：1 W
- Impedance (Max) (Zzt)：95 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 38.8 V
- Operating Temperature：-65°C ~ 150°C
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N4757E3/TR13 is a silicon 1.0-watt Zener diode in the 1N4728AP through 1N4764AP series, housed in a plastic DO-41 (DO-204AL) axial-lead package. It provides voltage regulation at a nominal Zener voltage of 51 V with a standard tolerance of ±5%. The device operates within a temperature range of -65°C to +150°C and features RoHS-compliant annealed matte-tin plating.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Features flexible axial-lead mounting terminals for through-hole applications
- Constructed with a void-free transfer molded thermosetting epoxy body meeting UL94V-0 standards
- Moisture classified as Level 1 per IPC/JEDEC J-STD-020B requiring no dry pack
Applications
- Voltage regulation circuits
- Reference voltage sources
- Overvoltage protection
Procurement Notes
Verify that the ordering suffix TR13 corresponds to the tape and reel packaging option described in the datasheet. Confirm the specific part number matches the JEDEC registration requirements and ensure the RoHS compliant e3 suffix is present for lead-free compliance. Cross-reference the manufacturer's official documentation for any updates regarding screening levels or mechanical specifications.
Selection Notes
Select this component when a 51 V Zener voltage with 5% tolerance is required in an axial-lead package. Consider the 1.0 W power dissipation rating and thermal resistance characteristics for heat management. Ensure the application environment falls within the specified -65°C to +150°C operating temperature range and utilizes appropriate PCB copper pad dimensions for optimal thermal performance.
Part Context
This component belongs to the popular 1N4728AP through 1N4764AP series of 1.0 watt Zener diodes manufactured by Microsemi (now Microchip Technology). The series offers extensive voltage selection from 3.3 to 100 volts. The 'e3' suffix indicates RoHS compliance, while the 'TR' suffix denotes the tape and reel packaging format.
Replacement Considerations
Surface mount equivalents are available as SMAJ4757A and MLL4757A. Other variants within the same series offer different voltage tolerances using C or D suffixes.
