1N4474 TR TIN/LEAD

Single Zener Diodes Overview

The Central Semiconductor Corp 1N4474 TR TIN/LEAD is a silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 24 V with a tolerance of ±5%. The device has a maximum power dissipation of 1.5 W and operates in the through-hole DO-41 (DO-204AL) axial package. Key electrical parameters include a Zener impedance (Zz) of 16 Ohms at a test current of 60 mA, and a reverse leakage current of 50 nA at 19.2 V. The minimum operating temperature is -65°C.

Single Zener Diodes Feature Summary

• High-quality silicon construction for reliable voltage regulation
• Suitable for automotive, industrial, and commercial environments
• Axial leaded package for through-hole mounting

Single Zener Diodes Applications

• Automotive voltage regulation circuits
• Industrial control systems
• Commercial power supply protection

Single Zener Diodes Procurement Notes

Verify the specific manufacturer designation when sourcing, as the 1N4474 part number is utilized by multiple vendors including Microchip Technology and Central Semiconductor. Confirm that the required package is the through-hole DO-41 variant and that the tin/lead plating option meets project specifications. Cross-reference datasheets to ensure alignment of impedance and leakage parameters before procurement.

Single Zener Diodes Selection Notes

Select this component for applications requiring a stable 24 V reference with moderate power handling capabilities. The 1.5 W rating allows for robust performance in standard through-hole designs. Ensure the circuit design accommodates the 16 Ohm impedance characteristic at the specified test current. Verify thermal management requirements for continuous operation near the maximum power dissipation limit.

Single Zener Diodes Part Context

This component belongs to the general category of silicon Zener diodes used for voltage clamping and regulation. The 1N4474 designation specifically identifies a 24 V, 1.5 W device. While the numbering convention is standardized, manufacturers may offer variations in packaging or plating. This specific listing refers to the version produced by Central Semiconductor Corp with tin/lead terminations.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers are not explicitly listed in the provided documentation. Users should consult official cross-reference guides from Central Semiconductor or other manufacturers for equivalent 24 V, 1.5 W Zener diodes in the DO-41 package.