1N5227B_T50R

Single Zener Diodes Overview

The onsemi 1N5227B_T50R is a silicon voltage regulator diode housed in the DO-35 axial leaded glass package. It provides a nominal Zener voltage of 3.6V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 500mW at ambient temperature. Key electrical characteristics include a test current of 20mA, a maximum reverse leakage current of 15μA, and a maximum dynamic impedance of 24Ω. It operates within a junction temperature range up to 175°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation via sharp reverse breakdown characteristics
• Features low reverse leakage current for efficient standby operation
• Constructed with hermetically sealed glass encapsulation for environmental protection

Single Zener Diodes Applications

• Voltage stabilization in DC power supply circuits
• Reference voltage generation for analog signal processing
• Overvoltage protection for sensitive semiconductor components

Single Zener Diodes Procurement Notes

Verify the specific manufacturer source, as the 1N5227B designation is utilized by multiple vendors including Vishay and Microsemi. Confirm that the T50R suffix corresponds to the required tape and reel packaging format. Ensure the component meets the necessary RoHS compliance standards if applicable to the target assembly process. Cross-reference the datasheet parameters against the specific lot traceability requirements.

Single Zener Diodes Selection Notes

Select this component when a precise 3.6V reference is required in an axial through-hole configuration. The 500mW power rating supports moderate current applications without excessive heat sinking. Consider the negative temperature coefficient inherent to low-voltage Zener diodes when designing for wide thermal operating ranges. Verify that the 24Ω dynamic impedance meets the noise and stability requirements of the load circuit.

Single Zener Diodes Part Context

This part belongs to the standard 1N522x series of small-signal Zener diodes. These devices are widely used in general-purpose electronics for basic voltage clamping and regulation tasks. The DO-35 package offers a compact footprint suitable for dense PCB layouts while maintaining robust mechanical leads for wave or manual soldering processes.

Single Zener Diodes Replacement Considerations

Direct substitutes include the Vishay 1N5227B and Microsemi MQ1N5227B. Verify pinout compatibility and ensure the replacement maintains the same 3.6V nominal voltage and 5% tolerance. Check that the alternative supplier's package dimensions match the existing board space constraints.