CMPZDA27V TR PBFREE

Overview

The CMPZDA27V TR PBFREE is a surface-mount dual silicon Zener diode manufactured by Central Semiconductor Corp. It features a voltage range of 2.4 volts to 47 volts with a maximum power dissipation of 350 mW. The component is supplied in a tape and reel packaging format, specifically designated as the TR suffix, and includes the PBFREE designation indicating lead-free plating compliance. This device is designed for applications requiring compact dual Zener configurations within small form-factor surface mount packages.

Feature Summary

• Dual Zener diode configuration in a single surface-mount package
• Lead-free (Pb-Free) plating finish for environmental compliance
• Wide voltage selection range from 2.4 V to 47 V
• 350 mW maximum power dissipation rating

Applications

• Voltage reference circuits requiring dual references
• Surge protection for differential signal lines
• Clamping applications in compact electronic assemblies
• Over-voltage protection in low-power consumer electronics

Procurement Notes

Verify the specific voltage variant required within the 2.4V to 47V range, as the base part number denotes a series rather than a single fixed voltage. Confirm that the TR suffix aligns with automated pick-and-place manufacturing requirements. Ensure the PBFREE designation meets project-specific environmental standards. Cross-reference the exact package type against PCB footprint libraries prior to ordering.

Selection Notes

Select this component when a dual Zener solution is necessary to save board space compared to discrete single diodes. Evaluate the thermal management capabilities given the 350 mW limit in the chosen package. Consider the tolerance specifications if precise voltage regulation is critical for the application. Compare against single Zener alternatives if only one channel is utilized to optimize cost.

Part Context

This part belongs to Central Semiconductor's line of surface-mount Zener diodes, offering various voltage options within a standardized package family. The CMPZDA27V designation indicates a specific voltage bin or series identifier within the broader dual Zener portfolio. It complements other surface-mount offerings from the manufacturer, providing designers with flexible options for voltage regulation and protection in modern PCB designs.

Replacement Considerations

Consult the Central Semiconductor cross-reference index for direct equivalents. Potential substitutes include the MMBZ27VCLT1 or CMPZDC27V, depending on the specific voltage requirement and package compatibility. Verify pinout and electrical characteristics before substitution.