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1N4740A R1G
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Product Detailed Parameters
- Description：DIODE ZENER 10V 1W DO204AL
- Series：-
- Mfr：Taiwan Semiconductor Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：10 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：7 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 7.6 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：-
- Qualification：-
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Overview
The Taiwan Semiconductor Corporation 1N4740A R1G is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 10 V with a tolerance of 5 percent, housed in the DO-41-2 axial leaded package. The device supports a maximum power dissipation of 1 W and operates within a temperature range from -55 °C to +150 °C. Key electrical characteristics include a maximum reverse leakage current of 10 uA, a Zener impedance of 7 Ohms, and a test current of 25 mA.
Feature Summary
- Glass passivated junction construction for enhanced stability
- Built-in strain relief mechanism integrated into the package design
- Low profile form factor suitable for compact circuit layouts
Applications
- Voltage reference circuits requiring stable DC levels
- Overvoltage protection stages in electronic systems
- General purpose voltage regulation tasks
Procurement Notes
Verify the specific suffix R1G against official manufacturer documentation to confirm packaging details and compliance status. Ensure the selected variant matches the required thermal and electrical specifications for the target application environment before finalizing procurement orders.
Selection Notes
Select this component when a standard 10 V regulation point is needed in an axial through-hole configuration. Consider the 1 W power rating and operating temperature limits to ensure adequate thermal management within the system design constraints.
Part Context
This part belongs to the 1N4740 series of glass-passivated silicon Zener diodes manufactured by Taiwan Semiconductor. The series provides reliable voltage regulation solutions using standard DO-41 packages, widely utilized in industrial and consumer electronics for basic circuit protection and reference functions.
Replacement Considerations
Cross-reference with other manufacturers offering the 1N4740A specification in DO-41 packages. Verify that substitute parts maintain identical Zener voltage, power dissipation, and package dimensions to ensure mechanical and electrical compatibility.
