CDLL4898A/TR

Single Zener Diodes Overview

The CDLL4898A/TR is a temperature-compensated Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 12.8 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 500 mW and operates within a junction temperature range of -65°C to +175°C. Packaged in the DO-213AA surface-mount format, it exhibits a maximum reverse leakage current of 15 µA at 8 V and a Zener impedance of 400 Ohms.

Single Zener Diodes Feature Summary

• Temperature compensated design for stable voltage regulation across wide thermal ranges
• Surface-mount construction in compact DO-213AA package for automated assembly
• High operating temperature capability up to 175°C for harsh environment reliability

Single Zener Diodes Applications

• Precision voltage reference circuits requiring low temperature drift
• Over-voltage protection in industrial control systems
• Voltage regulation in aerospace and military electronic equipment

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against official Microchip documentation to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status as indicated in the datasheet, noting that some variants may not meet current environmental directives. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before procurement.

Single Zener Diodes Selection Notes

Select this component when precise voltage stability over temperature is critical. The 12.8 V rating suits applications needing regulation above standard silicon thresholds. Ensure the circuit design accommodates the 500 mW power limit and 400 Ohm impedance characteristics. Verify that the DO-213AA footprint matches the PCB layout requirements for reliable soldering and thermal management.

Single Zener Diodes Part Context

This part belongs to the CDLL4898 series of temperature-compensated Zener diodes from Microchip Technology. These devices are engineered for high-reliability applications where standard Zener diodes exhibit excessive voltage drift. The series utilizes specialized doping profiles to minimize the temperature coefficient, making them suitable for precision analog circuits in demanding environments.

Single Zener Diodes Replacement Considerations

Publicly confirmed parameter-equivalent substitutes include CDLL4896, CDLL4896A, CDLL4897A, CDLL4898, and CDLL4899A. Verify electrical compatibility and package dimensions before substitution.