CDLL5270B

Single Zener Diodes Overview

The CDLL5270B is a single Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 91 V with a tolerance of ±5%. The device is housed in a DO-213AB (MELF) surface-mount package. Key electrical characteristics include a maximum reverse leakage current of 100 nA at 69 V and a maximum Zener impedance of 400 Ohms. The forward voltage is specified as 1.1 V at 200 mA. It operates within a temperature range of -65°C to +175°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation with a nominal 91 V Zener breakdown.
• Capable of operation across an extended industrial temperature range from -65°C to +175°C.
• Utilizes a compact DO-213AB MELF surface-mount package for automated assembly.

Single Zener Diodes Applications

• Voltage reference circuits requiring precise negative or positive rail stabilization.
• Over-voltage protection stages in sensitive electronic systems.
• Clamping applications in signal processing paths.

Single Zener Diodes Procurement Notes

Verify the specific suffix designation when ordering, as CDLL5270B and CDLL5270B/TR may denote different packaging formats such as bulk versus tape and reel. Confirm RoHS compliance status directly with the manufacturer, as historical data indicates variations in environmental compliance for this component series. Ensure the DO-213AB package footprint matches the design layout requirements before finalizing procurement.

Single Zener Diodes Selection Notes

Select the CDLL5270B when a high-voltage Zener reference near 91 V is required in a small surface-mount form factor. Consider the ±5% tolerance and 400 Ohm impedance for precision requirements. The wide operating temperature range makes it suitable for harsh environments where standard commercial-grade diodes would fail. Evaluate the 100 nA leakage current against circuit sensitivity needs.

Single Zener Diodes Part Context

This component belongs to the Microchip Technology CDLL5270 series of single Zener diodes. These devices are part of a broader family of voltage regulator diodes offered in various voltage ratings and packages. The CDLL5270B specifically represents the 91 V variant within this lineup, sharing common thermal and mechanical characteristics with other members of the DO-213AB packaged series.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with equivalent 91 V Zener diodes in DO-213AB packages from other manufacturers based on electrical parameters and pinout configuration.