1N4740G R1G

Overview

The 1N4740G R1G is a 1-watt, 10-volt Zener diode manufactured by Taiwan Semiconductor Corporation. It utilizes the DO-204AL (DO-41) axial through-hole package and provides a voltage tolerance of 5%. The device features a glass-passivated junction for reliability and operates within a temperature range of -55°C to +150°C.

Feature Summary

• Glass passivated junction construction
• Built-in strain relief mechanism
• Low inductance design

Applications

• Voltage regulation circuits
• Overvoltage protection systems
• Reference voltage generation

Procurement Notes

Verify component authenticity and datasheet alignment with official Taiwan Semiconductor documentation before integration. Confirm that the specific suffix corresponds to the intended reel packaging configuration. Ensure compliance with RoHS directives and check for any automotive qualification requirements if applicable to the target application environment.

Selection Notes

Select this component for applications requiring a standard 10V reference point with high power dissipation capabilities. The DO-41 package facilitates manual or automated through-hole assembly processes. Evaluate thermal management needs based on the 1W power rating and ensure the operating environment remains within the specified temperature limits.

Part Context

This part belongs to the 1N47xx series of 1-watt Zener diodes produced by Taiwan Semiconductor. The series offers various voltage options within the same mechanical footprint, allowing for standardized board designs across different voltage regulation requirements while maintaining consistent performance characteristics.

Replacement Considerations

Cross-reference with other manufacturers' 1N4740 equivalents such as those from Microchip or Rectron. Verify pinout compatibility and electrical parameter tolerances to ensure seamless substitution without circuit redesign.