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1N4750UR-1
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Product Detailed Parameters
- Description：DIODE ZENER 27V 1W DO213AB
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：27 V
- Tolerance：±10%
- Power - Max：1 W
- Impedance (Max) (Zzt)：35 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 20.6 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 1N4750UR-1 is a high-reliability Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 27V with a tolerance of ±10% and a maximum power dissipation of 1W. The device is constructed from silicon and housed in a hermetically sealed DO-213AB (MELF) glass package. Designed for unidirectional operation, it supports surface-mount installation and operates within a temperature range of -65°C to +175°C.
Feature Summary
- Hermetically sealed glass MELF construction for enhanced environmental protection
- High reliability design suitable for demanding operational conditions
- Stable voltage regulation characteristics for reference applications
Applications
- Voltage regulation circuits
- Transient voltage suppression
- Precision voltage reference generation
Procurement Notes
Verify the specific manufacturer designation, as historical records indicate Microsemi production while current listings may reflect Microchip Technology branding. Confirm the package type matches DO-213AB requirements. Ensure compliance with project specifications regarding hermetic sealing and high-reliability standards before procurement.
Selection Notes
Select this component when a robust, hermetically sealed Zener diode is required for critical voltage regulation tasks. The 1W power rating and wide operating temperature range make it suitable for industrial environments. Consider the MELF form factor for compact surface-mount designs requiring high reliability.
Part Context
This part belongs to the 1N47xx series of Zener diodes, widely used for voltage stabilization. The UR-1 suffix typically denotes a specific packaging or reliability variant within the Microchip/Microsemi portfolio. These components are standard choices for protecting sensitive electronics against overvoltage events.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with equivalent 27V 1W MELF Zener diodes from other manufacturers if direct substitution is necessary.
