CDLL7048

Current Regulation - Diodes, Transistors Overview

The CDLL7048 is a Zener diode manufactured by Microchip Technology, designed for surface-mount applications in the DO-213AA-2 package. It features a nominal Zener voltage of 3.9 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 parameters include a maximum reverse leakage current of 2 µA, a Zener impedance of 23 Ohms at a test current of 20 mA, and a forward voltage of 1.1 V at 200 mA. The component is configured as a single unit.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable voltage regulation with a nominal 3.9 V Zener voltage.
• Capable of handling up to 500 mW power dissipation in a compact SMD form factor.
• Engineered for extended thermal stability across a wide operating temperature range.

Current Regulation - Diodes, Transistors Applications

• Voltage reference circuits
• Overvoltage protection systems
• Clamping applications

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix (e.g., /TR) against official datasheets to confirm reel packaging quantities and tape-and-reel specifications. Ensure the DO-213AA-2 footprint matches the PCB design. Confirm RoHS compliance status and lead-free soldering requirements prior to integration. Cross-reference manufacturer part numbers to avoid confusion with similar series components like CDLL748A.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a precise 3.9 V reference is required in space-constrained designs. The low leakage current and defined impedance make it suitable for sensitive analog interfaces. Evaluate the 500 mW thermal rating against expected circuit loads. Consider the wide temperature range for industrial or automotive environments where standard commercial parts may fail.

Current Regulation - Diodes, Transistors Part Context

This device belongs to Microchip's Zener Diodes category under Diodes & Rectifiers. It utilizes the DO-213AA-2 surface-mount package, offering a compact solution compared to traditional axial leads. The product line focuses on reliable voltage regulation for embedded systems, supporting various industrial and consumer electronics applications requiring stable bias voltages.

Current Regulation - Diodes, Transistors Replacement Considerations

Consult official substitution guides for compatible equivalents. Verify pinout compatibility and thermal characteristics before replacing with alternative manufacturers' parts. Ensure voltage tolerance and impedance specs match the original design requirements.