CL20M45

Current Regulation - Diodes, Transistors Overview

The Diotec Semiconductor CL20M45 is a surface-mount current limiting diode designed for low-power applications. It operates within a peak working voltage (VAK) of up to 90 V and dissipates a maximum power of 1 W at 50°C ambient temperature. The nominal regulator current (IPnom) is 20 mA, with a minimum of 17 mA and a maximum of 23 mA at a test voltage of 10 V. The device features a reverse voltage (VR) of 0.5 V and a junction capacitance of 5 pF. It supports an operating junction temperature range from -50°C to +150°C and utilizes the DO-214AA (SMB) package.

Current Regulation - Diodes, Transistors Feature Summary

• Supports parallel operation to achieve higher current intensity
• Compliant with RoHS directives and REACH regulations
• Available in AEC-Q101 compliant and qualified versions

Current Regulation - Diodes, Transistors Applications

• Low power LED drivers
• Battery chargers
• Constant current regulators for simple sensor circuits
• Power supply for microcontrollers

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific ordering suffix when purchasing. Suffixes such as -Q indicate AEC-Q101 compliance, while -AQ denotes AEC-Q101 qualification. Confirm that the required automotive grade aligns with the project specifications before finalizing orders. Standard commercial/industrial grades are available without these suffixes.

Current Regulation - Diodes, Transistors Selection Notes

Select the CL20M45 when a stable 20 mA current limit is required within a 90 V system. Consider parallel configurations if higher total current capacity is needed. Ensure the PCB layout accommodates the SMB package dimensions and provides adequate copper area for thermal dissipation to maintain performance within the specified temperature range.

Current Regulation - Diodes, Transistors Part Context

The CL20M45 belongs to the CL15M45 through CL40M45 series of SMD current limiting diodes manufactured by Diotec Semiconductor. This family shares common mechanical data, including the DO-214AA case outline and UL 94V-0 case material, while varying primarily in their nominal regulator current ratings from 15 mA to 40 mA.

Current Regulation - Diodes, Transistors Replacement Considerations

Other members of the CL15M45...CL40M45 series may serve as substitutes if different current limits are acceptable. Verify pinout compatibility and thermal resistance characteristics against the original design requirements before implementing any cross-model replacement.