CCLM4500 TR

Current Regulation/Management Overview

The CCLM4500TR is a silicon current regulator diode manufactured by Central Semiconductor Corp. It provides a stable regulated current of 4.5mA with a limiting voltage of 3.7V. The device is housed in a hermetically sealed DO-35 glass package, designed for high reliability applications. It operates within a temperature range of -65°C to +200°C and features an isolated case connection.

Current Regulation/Management Feature Summary

• Hermetically sealed glass construction for environmental protection
• High reliability design suitable for demanding conditions
• Stable current regulation without external components

Current Regulation/Management Applications

• Current limiting in electronic circuits
• Biasing elements for transistors and LEDs
• Protection against current surges

Current Regulation/Management Procurement Notes

Verify the specific suffix TR indicates tape and reel packaging if required for automated assembly. Confirm RoHS compliance status as lead-free variants exist. Ensure the DO-35 package dimensions match your PCB footprint requirements. Check for any specific handling instructions due to the glass package material.

Current Regulation/Management Selection Notes

Select this component when a fixed current source is needed in a small axial package. Consider the 4.5mA rating and 3.7V drop for circuit design. The wide operating temperature range supports harsh environments. Verify that the hermetic seal meets your project's reliability standards compared to non-sealed alternatives.

Current Regulation/Management Part Context

This part belongs to the current regulator diode family from Central Semiconductor. These devices are distinct from standard Zener diodes as they regulate current rather than voltage. The DO-35 package is a traditional axial leaded format often used in through-hole applications. The series offers various current ratings for different circuit needs.

Current Regulation/Management Replacement Considerations

Check datasheets for equivalent current regulator diodes in DO-35 packages. Verify matching current (4.5mA) and voltage (3.7V) specifications. Ensure thermal and mechanical compatibility before substitution.