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1N4764UR-1/TR
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Product Detailed Parameters
- Description：DIODE ZENER 100V 1W DO213AB
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Zener (Nom) (Vz)：100 V
- Tolerance：±10%
- Power - Max：1 W
- Impedance (Max) (Zzt)：350 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 76 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 1N4764UR-1/TR is a surface mount glass Zener diode with a nominal voltage of 100 V and a maximum power dissipation of 1.0 W at 25°C. It operates within a temperature range of -65°C to +175°C. The device features a standard voltage tolerance of ±5% (indicated by the 'A' suffix) and utilizes a DO-213AB package. Electrical characteristics include a test current of 2.5 mA, a maximum dynamic impedance of 350 Ohms at IZT, and a maximum reverse current of 5 µA at 76.0 V.
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
- Regulates voltage over a broad operating current and temperature range
Applications
- Voltage regulation in high density circuit designs
- High reliability applications requiring source control drawings
- Low parasitic requirement circuits
Procurement Notes
Verify that the ordering suffix matches the required specifications. Confirm whether the 'TR' suffix indicates tape and reel packaging as specified in the datasheet. Ensure the part number includes the correct tolerance suffix if tighter tolerances are needed. Check for RoHS compliance requirements against the 'e3' suffix availability. Validate the manufacturer origin given the transition from Microsemi to Microchip Technology.
Selection Notes
Select this component when a 100 V Zener voltage is required in a surface mount configuration. Consider the DO-213AB package dimensions for PCB layout compatibility. Evaluate the thermal resistance values for derating calculations based on ambient temperature. Verify that the ±5% tolerance meets the circuit precision requirements.
Part Context
This device belongs to the 1N4728UR thru 1N4764AUR series of surface mountable 1 watt Zener diodes. It is electrically equivalent to the JEDEC registered 1N4728A thru 1N4764A series but conforms to the DO-213AB outline. The series offers Zener voltages ranging from 3.3V to 100V with various tolerance options available through specific suffixes.
Replacement Considerations
The datasheet lists SMAJ4728A to SMAJ4764A as surface mount equivalents. Plastic body axial-leaded equivalents are identified as 1N4728A to 1N4764A. Electrically similar devices include the MLL4728A thru MLL4764A series.
