CD5227B

Single Zener Diodes Overview

The CD5227B is a Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 3.6 V with a tolerance of ±5%. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -65°C to +175°C. Key electrical characteristics include a Zener impedance of 24 Ohms and a reverse leakage current of 15 µA at 1 V. The component utilizes an SMD/SMT mounting style in an SOD-123-2 package.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation with a nominal Zener voltage of 3.6 V.
• Capable of handling up to 500 mW power dissipation under proper heat sinking conditions.
• Operates reliably across an extended temperature range from -65°C to +175°C.

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix and packaging configuration when procuring, as availability may vary between bulk and reel formats. Confirm RoHS compliance status directly with the manufacturer or authorized distributors, as regulatory markings can differ by production batch. Ensure the selected variant matches the required surface-mount package dimensions for PCB integration.

Single Zener Diodes Selection Notes

Select the CD5227B when a precise 3.6 V reference is required in a compact surface-mount form factor. Consider its low Zener impedance of 24 Ohms for applications demanding tighter voltage stability under varying load currents. Evaluate the thermal management requirements given the 500 mW power rating and the wide operating temperature range suitable for harsh environments.

Single Zener Diodes Part Context

The CD5227B belongs to the CD5221B through CD5272B series of Zener diode chips produced by Microchip Technology. These components are electrically equivalent to their through-hole counterparts, such as the 1N5227B, but are optimized for surface-mount technology. The series offers various voltage options within a standardized small outline package, facilitating design flexibility in space-constrained electronics.

Single Zener Diodes Replacement Considerations

The 1N5227B is an electrically equivalent through-hole alternative within the same product family. For surface-mount replacements, verify that substitute parts match the 3.6 V Zener voltage, 500 mW power rating, and SOD-123 package footprint to ensure compatibility.