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1N4743G R0G
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Product Detailed Parameters
- Description：DIODE ZENER 13V 1W DO204AL
- Series：-
- Mfr：Taiwan Semiconductor Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：13 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：110 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 42.6 V
- Operating Temperature：-65°C ~ 200°C (TA)
- 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 1N4743G R0G is a Zener diode manufactured by Taiwan Semiconductor Corporation, designed for voltage regulation applications. It features a nominal Zener voltage of 13 V with a tolerance of 5%. The device is rated for a power dissipation of 1 W and operates within a temperature range of -55 °C to +150 °C. Packaged in the DO-41-2 through-hole format, it exhibits a maximum reverse leakage current of 5 uA and a Zener impedance of 10 Ohms at a test current of 19 mA. This component is AEC-Q101 qualified for automotive reliability standards.
Feature Summary
- Provides stable voltage regulation with a 13 V nominal output and 5% tolerance.
- Rated for 1 W power dissipation in a standard through-hole package.
- Qualified for automotive applications under the AEC-Q101 standard.
Applications
- Voltage regulation circuits
- Overvoltage protection systems
- Reference voltage sources
Procurement Notes
Verify the specific suffix 'R0G' against the manufacturer's official documentation to confirm packaging details and exact compliance status. Ensure that the AEC-Q101 qualification aligns with your project's environmental requirements. Cross-reference the DO-41-2 package dimensions with your PCB footprint specifications before finalizing procurement decisions.
Selection Notes
Select this component when a 13 V regulated voltage is required in a through-hole configuration. The 1 W power rating supports moderate current loads. The AEC-Q101 qualification makes it suitable for automotive environments where higher thermal stability and reliability are necessary compared to commercial-grade equivalents.
Part Context
This part belongs to the 1N4743AH series from Taiwan Semiconductor. It shares core electrical characteristics with other manufacturers' 1N4743A variants but offers specific automotive qualification and packaging options unique to the brand. The DO-41-2 package provides robust mechanical stability for through-hole mounting.
Replacement Considerations
Direct substitutes include the 1N4743A from onsemi or Nexperia, provided they meet the same 13 V, 1 W, and DO-41 specifications. Verify that alternative sources offer equivalent AEC-Q101 qualification if automotive use is intended.
