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1N4757APE3/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：±5%
- 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 1N4757APE3/TR13 is a silicon Zener diode housed in the DO-204AL (DO-41) axial plastic package. It provides a nominal Zener voltage of 51V with a standard tolerance of 5%. The device is rated for a power dissipation of 1W and operates within a temperature range from -65°C to +175°C. It features a maximum reverse leakage current of 5µA at 38.8V and a dynamic impedance of 95Ω. The component is RoHS compliant, indicated by the e3 suffix, and is supplied in reel packaging.
Feature Summary
- Plastic encapsulated construction offering lower thermal resistance compared to glass-body options
- Moisture classified as Level 1 requiring no dry pack storage
- RoHS compliant manufacturing process
Applications
- Voltage regulation circuits
- Reference voltage sources
- Overvoltage protection
Procurement Notes
Verify the specific suffix against official documentation, as TR13 indicates tape-and-reel packaging which may differ from other variants like TR8 or TR12. Confirm that the 'e3' suffix denotes lead-free compliance and that the part number corresponds to the 5% tolerance variant rather than tighter tolerances. Ensure the manufacturer source is Microchip Technology or its authorized predecessor entities.
Selection Notes
Select this component when a 51V regulation point is required in an axial through-hole design. The plastic DO-41 package is suitable for applications needing robust mechanical mounting. Consider the 5% tolerance if precise voltage accuracy is not critical, or choose alternative suffixes for tighter specifications. Verify thermal management requirements for continuous 1W dissipation.
Part Context
This part belongs to the 1N4728AP through 1N4764AP series of 1.0-watt Zener diodes produced by Microchip Technology. The series covers a wide voltage selection from 3.3 to 100 volts. The 'P' suffix specifically identifies the plastic molded JEDEC package option, distinguishing it from glass-body equivalents.
Replacement Considerations
Compatible substitutes include the 1N4757A and 1N4757AP. For surface mount applications, consider SMAJ4757A or MLL4757A equivalents. Military screening levels are available via MQ, MX, MV, or MSP prefixes.
