1N5241B

Single Zener Diodes Overview

The Fairchild Semiconductor 1N5241B is a single silicon Zener diode housed in a DO-35 glass axial leaded package. It provides a nominal Zener voltage of 11 V with a tolerance of ±5%. The device dissipates up to 0.5 W and operates within a temperature range of -65 °C to +200 °C junction temperature. Key electrical characteristics include a maximum reverse leakage current of 2 µA at 8.4 V and a maximum dynamic impedance of 22 Ω measured at a test current of 20 mA.

Single Zener Diodes Feature Summary

• Hermetically sealed glass construction for corrosion resistance
• Compression bonded internal design
• Low noise operation capability

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify the manufacturer origin, as LGE and Lite-On also produce this part number. Confirm the specific suffix (e.g., B) indicates the required 5% tolerance. Ensure the package matches the DO-35 JEDEC standard. Check RoHS compliance status if restricted substances are prohibited in your assembly process.

Single Zener Diodes Selection Notes

Select this component when an 11 V regulation point is required in a through-hole design. The DO-35 package suits standard PCB mounting. Verify that the 0.5 W power rating meets the thermal requirements of the application environment. Consider the 22 Ω dynamic impedance for precision stability needs.

Single Zener Diodes Part Context

This component belongs to the 1N52xx series of low-power Zener diodes manufactured by Fairchild Semiconductor. The series utilizes a standardized DO-35 glass package common in legacy and industrial electronics. It serves as a discrete voltage regulation element within broader semiconductor portfolios.

Single Zener Diodes Replacement Considerations

Equivalent parts include Vishay 1N5241B-TAP and Rectron 1N5241C-B. Verify pinout compatibility and ensure the substitute maintains the 11 V nominal voltage and 0.5 W power dissipation limits.