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1N4758AHR1G
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Product Detailed Parameters
- Description：DIODE ZENER 56V 1W DO204AL
- Series：-
- Mfr：Taiwan Semiconductor Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：56 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：110 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 42.6 V
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Voltage - Forward (Vf) (Max) @ If：-
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The 1N4758AHR1G is a silicon planar Zener diode manufactured by Taiwan Semiconductor. It provides a nominal voltage of 56 V with a tolerance of 5%. The device is rated for 1 W power dissipation and operates within a temperature range of -55 °C to +150 °C. It features a maximum reverse leakage current of 5 µA and a Zener impedance of 95 Ω at a test current of 5 mA. The component utilizes a DO-41 axial through-hole package and holds AEC-Q101 automotive qualification.
Feature Summary
- Hermetically sealed glass compression bonded construction
- Corrosion resistant external surfaces
- Readily solderable tin lead finish terminals
Applications
- Voltage regulation in industrial circuits
- Clipping applications in entertainment systems
- Military and space electronics
Procurement Notes
Verify the specific suffix HR1G against official datasheets to confirm packaging details, as standard designations may vary. Confirm RoHS compliance status directly with the manufacturer or authorized distributors before procurement. Ensure the AEC-Q101 qualification aligns with target application requirements. Validate the exact reverse leakage and impedance specifications for the specific batch.
Selection Notes
Select this component for applications requiring high reliability and stable voltage regulation in harsh environments. The hermetically sealed glass construction ensures excellent stability. Verify that the 56 V breakdown voltage matches the circuit design needs. Consider the DO-41 package dimensions for PCB layout constraints. Ensure the operating temperature range meets the environmental conditions.
Part Context
This part belongs to the 1N4728A to 1N4758G series of 1 W Zener Voltage Regulators from Taiwan Semiconductor. These devices are designed for general purpose industrial, entertainment, military, and space applications. The series offers a wide voltage range from 3.3 V to 56 V in the DO-41 package.
Replacement Considerations
Cross-reference with other manufacturers' 1N4758A variants such as those from Microchip Technology or onsemi. Verify pinout compatibility and electrical parameter tolerances. Ensure the replacement device meets the same AEC-Q101 qualification if automotive use is required.
