1N4756A R1G

Overview

The Taiwan Semiconductor 1N4756A R1G is a single-channel voltage regulator diode housed in a DO-41 through-hole package. It features a nominal Zener voltage of 47 V with a tolerance of ±5%. The device supports a maximum power dissipation of 1 W and operates within a temperature range of -65°C to +200°C. Key electrical parameters include a test current of 5.5 mA, a maximum Zener impedance of 80 Ω, and a maximum reverse leakage current of 5 μA.

Feature Summary

• Hermetically sealed glass construction for environmental stability
• Compression bonded design ensuring mechanical robustness
• High thermal performance supporting elevated operating temperatures

Applications

• Voltage regulation circuits
• Clipping applications
• Reference voltage generation

Procurement Notes

Verify the specific suffix 'R1G' against official manufacturer documentation to confirm packaging details and availability status. Ensure the selected component matches the required DO-41 form factor and 1W power rating specifications for your circuit design.

Selection Notes

Select this component when a stable 47 V reference is required in high-temperature environments up to 200°C. The DO-41 package facilitates easy through-hole integration. Confirm that the 80 Ω impedance and 5% voltage tolerance meet the precision requirements of the target application.

Part Context

This part belongs to the standard 1N47xx series of silicon planar Zener diodes manufactured by Taiwan Semiconductor. These devices are designed for general-purpose voltage regulation and protection applications, offering reliable performance in various electronic systems requiring stable DC voltage levels.

Replacement Considerations

Compatible substitutes include the onsemi 1N4756A and Vishay Semiconductors 1N4756A-TR. Verify that alternative sources maintain the same 47 V nominal voltage, 1W power dissipation, and DO-41 package dimensions.