CDLL256/TR

Current Regulation - Diodes, Transistors Overview

The CDLL256/TR is a Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 9 V with a tolerance of 5%. The device operates in a DO-213AA (PD) surface-mount package and dissipates up to 500 mW of power. Key electrical parameters include a Zener impedance of 20 ohms and a test current of 7.5 mA. The component supports an extended operating temperature range from -65 °C to +175 °C, ensuring reliability in demanding environments.

Current Regulation - Diodes, Transistors Feature Summary

• Temperature compensated design for stable voltage regulation across wide thermal ranges
• Single configuration optimized for compact surface-mount PCB layouts
• High maximum junction temperature rating suitable for industrial and automotive conditions

Current Regulation - Diodes, Transistors Applications

• Precision voltage reference circuits requiring low drift
• Over-voltage protection stages in power supply systems
• Biasing networks for semiconductor devices in high-temperature environments

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix /TR indicates tape-and-reel packaging when sourcing. Confirm that the DO-213AA package dimensions align with your footprint requirements. Ensure the 9 V Zener voltage specification meets your circuit design needs. Check for RoHS compliance status if required by your manufacturing standards. Validate supplier authenticity through authorized Microchip channels to avoid counterfeit components.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a stable 9 V reference is needed in a small SMD form factor. Consider the 500 mW power dissipation limit for thermal management. The wide temperature range makes it suitable for harsh environments. Compare against other Zener diodes if tighter voltage tolerances or different packages are required. Ensure the 20 ohm impedance fits your dynamic load requirements.

Current Regulation - Diodes, Transistors Part Context

This part belongs to Microchip's CDLL series of glass-passivated Zener diodes. These components are known for their robustness and stability. The DO-213AA package provides a balance between size and power handling. This series is commonly used in industrial control and automotive electronics where reliability is critical.

Current Regulation - Diodes, Transistors Replacement Considerations

Check Microchip's official replacement guides for direct equivalents. Verify pinout compatibility before substituting with similar Zener diodes from other manufacturers. Ensure voltage and power ratings match or exceed original specifications.