1N5259B TR PBFREE

Single Zener Diodes Overview

The Central Semiconductor Corp 1N5259B TR PBFREE is a silicon Zener diode with a nominal voltage of 39 V and a tolerance of ±5%. It operates in the DO-35 axial through-hole package. The device dissipates up to 500 mW at 75°C ambient temperature, with a junction temperature range of -65°C to +200°C. Electrical characteristics include a maximum Zener impedance of 80 Ω at 3.2 mA test current, a reverse leakage current of 0.1 µA at 30 V, and a positive temperature coefficient of +0.094 %/°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation within a tight ±5% tolerance band for precision applications.
• Features high thermal stability across an extended operating and storage junction temperature range.
• Constructed as a highly reliable silicon component suitable for industrial and commercial environments.

Single Zener Diodes Applications

• Industrial circuit voltage regulation
• Commercial equipment power supplies
• Computer system protection circuits

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against manufacturer documentation before purchase. Confirm that the 'TR' designation aligns with required packaging formats. Ensure compliance with environmental regulations such as RoHS requirements specified in the datasheet. Validate that the component meets the exact electrical parameters needed for the target application design.

Single Zener Diodes Selection Notes

Select this component when a precise 39 V reference is required in a standard axial leaded package. Consider the 500 mW power dissipation limit and the specific temperature coefficient for thermal management calculations. Evaluate the maximum Zener impedance and reverse leakage current against circuit sensitivity requirements to ensure proper noise and regulation performance.

Single Zener Diodes Part Context

This part belongs to the 1N5221B through 1N5278B series of silicon Zener diodes manufactured by Central Semiconductor Corp. The series covers a wide voltage range from 2.4 V to 170 V, all housed in the DO-35 case. These devices are designed for general-purpose voltage regulation tasks across various electronic sectors.

Single Zener Diodes Replacement Considerations

No public confirmed substitute part numbers are available for this component according to official records.

Single Zener Diodes FAQ

What is the marking code for the 1N5259B?

The device is marked with the code C5259B.

Does the 1N5259B have a negative or positive temperature coefficient?

It has a positive temperature coefficient of +0.094 %/°C.