1N5225B

Single Zener Diodes Overview

The SMC Diode Solutions 1N5225B is a silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 3V with a 5% tolerance and a maximum power dissipation of 500mW. The device utilizes a DO-35 glass axial leaded package, offering a compact form factor for through-hole mounting. Key electrical characteristics include a maximum reverse leakage current of 50µA and a Zener impedance of 29 Ohms at the test current of 20mA. It operates within a temperature range from -65°C to +175°C junction temperature.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Utilizes hermetically sealed glass compression bonded construction for corrosion resistance
• Features flexible axial-lead terminals suitable for standard through-hole mounting techniques

Single Zener Diodes Applications

• Voltage reference circuits requiring precise low-voltage regulation
• Overvoltage protection in sensitive electronic systems
• Clamping applications in signal processing paths

Single Zener Diodes Procurement Notes

Verify the specific manufacturer source when sourcing this component, as multiple vendors produce the 1N5225B designation. Confirm that the received parts match the required 5% voltage tolerance and DO-35 package style. Ensure compliance with relevant environmental standards such as RoHS if applicable to your assembly process. Check for any specific military or commercial grade screening requirements if used in harsh environments.

Single Zener Diodes Selection Notes

Select this component for designs requiring a 3V reference point with moderate precision. The 500mW power rating supports continuous operation in small signal applications. Consider the DO-35 package size for board space constraints. Evaluate the thermal environment to ensure the junction temperature remains within the specified limits during peak load conditions.

Single Zener Diodes Part Context

The 1N5225B belongs to the widely recognized 1N522x series of 0.5-watt Zener voltage regulators. This series offers an extensive selection of voltages ranging from 2.4V to 200V. The B suffix typically denotes a 5% voltage tolerance, distinguishing it from variants with looser tolerances. These devices are standard components in general-purpose electronics for basic voltage stabilization tasks.

Single Zener Diodes Replacement Considerations

Compatible substitutes include the ON Semiconductor 1N5225B, Microchip 1N5225B, and Panjit 1N5225B. Verify that replacement parts maintain the same 3V nominal voltage, 5% tolerance, and DO-35 package dimensions to ensure mechanical and electrical compatibility.