1N5240B_T50A

Single Zener Diodes Overview

The onsemi 1N5240B_T50A is a single silicon Zener diode housed in a DO-35-2 through-hole package. It provides an 85 V nominal Zener voltage with a 5% tolerance at a test current of 1.5 mA. The device dissipates up to 500 mW and maintains a maximum reverse leakage current of 100 nA. Its zener impedance is specified at 330 Ohms, with a voltage temperature coefficient of 0.098 %/C. The component operates reliably between -65 C and +200 C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using a single silicon junction within a glass axial-lead package.
• Features low reverse leakage current for efficient standby operation.
• Designed for high-temperature environments with an extended operating range.

Single Zener Diodes Applications

• Voltage reference circuits requiring precise 85 V levels
• Overvoltage protection stages in power supplies
• Clamping applications in signal conditioning paths

Single Zener Diodes Procurement Notes

Verify the specific T50A suffix against the manufacturer's latest datasheet to confirm packaging details and compliance status. Confirm availability as this part may be subject to discontinuation or lifecycle changes. Ensure the procurement channel provides original manufacturer documentation to validate authenticity and traceability before finalizing orders.

Single Zener Diodes Selection Notes

Select this component when an 85 V regulation point is required in a standard through-hole design. The DO-35 package suits space-constrained boards needing axial leads. Consider the 330 Ohm impedance for dynamic load variations. Verify that the 500 mW power rating aligns with the thermal management capabilities of the target circuit board layout.

Single Zener Diodes Part Context

This part belongs to the 1N5268B series, representing a standard voltage regulator diode from onsemi. It utilizes the legacy JEDEC numbering system adapted for modern manufacturing processes. The component serves as a fundamental discrete semiconductor element for linear voltage control applications in industrial and consumer electronics.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 1N5268B equivalents in DO-35 packages. Verify pinout compatibility and ensure the replacement meets the 85 V Zener voltage and 500 mW power dissipation requirements. Check for identical temperature coefficients if thermal stability is critical.