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1N4754AUR/TR
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Product Detailed Parameters
- Description：DIODE ZENER 39V 1W DO213AB
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Zener (Nom) (Vz)：39 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：60 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 29.7 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Surface Mount
- Package / Case：DO-213AB, MELF (Glass)
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N4754AUR/TR is a surface mount glass Zener diode in the DO-213AB MELF package. It provides a nominal Zener voltage of 39 V with a standard tolerance of ±5%. The device dissipates 1.0 W at 25°C and operates within a temperature range of -65°C to +175°C. Electrical characteristics include a maximum dynamic impedance of 60 Ohms at a test current of 6.5 mA, a maximum reverse leakage current of 5 µA at 29.7 V, and a maximum regulator current of 115 mA. The component is supplied in tape and reel packaging.
Feature Summary
- Hermetically sealed glass MELF package for high reliability applications
- Surface mount design suitable for high density mounting
- Inherently radiation hard per MicroNote 050
- ESD nonsensitive construction
Applications
- Voltage regulation in high density circuits
- High reliability applications requiring source control drawings
- Low parasitic requirement environments
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm packaging configuration and compliance status. Confirm that the requested part number matches the required voltage tolerance and package outline. Ensure compatibility with existing footprint designs before procurement.
Selection Notes
Select this component for applications requiring a 39 V reference in a surface mount form factor. Consider the thermal derating curves when designing for ambient temperatures above 45°C or end cap temperatures exceeding 125°C. Verify that the ±5% tolerance meets circuit requirements compared to tighter tolerance options.
Part Context
This device belongs to the 1N4728AUR through 1N4764AUR series of 1.0 W glass Zener diodes. It is electrically equivalent to the JEDEC registered 1N4728A through 1N4764A axial-leaded series but utilizes the DO-213AB surface mount outline. The series covers Zener voltages from 3.3 V to 100 V.
Replacement Considerations
The MLL4754A is an alternate designation for this series. Surface mount equivalents such as SMAJ4754A are available. Axial-leaded equivalents include the 1N4754A.
