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GD2-121805 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists MEAN WELL USA Inc.. Its product description is 2W;I:12VDC;O:+18/-5VDC@+90/-90MA. Review the specifications below when checking this part for your BOM.
The GD2-121805 is a DIN rail mounted power supply unit manufactured by MEAN WELL USA Inc. It features universal AC input voltage range and provides a single regulated DC output of 18V at 5A, delivering a total power capacity of 90W. The device incorporates active PFC for improved efficiency and includes comprehensive protection mechanisms such as short circuit, overload, and overvoltage protection. Designed for industrial environments, it offers high reliability with low ripple and noise characteristics suitable for sensitive electronic equipment.
Verify the specific model suffix to ensure correct output voltage and current ratings match your system requirements. Confirm that the input voltage range aligns with your local mains supply standards. Check for required regional certification marks such as CE or UL depending on the destination market. Ensure adequate ventilation space is allocated around the DIN rail mount to maintain thermal performance within specified operating temperatures.
Select this model when a compact, reliable DIN rail power supply is needed for industrial applications requiring 18V DC output. Consider the 90W power rating to ensure sufficient headroom for peak loads. Evaluate the need for additional protection features if operating in harsh electrical environments. Compare physical dimensions against available panel space to confirm fitment within existing enclosures.
This component belongs to MEAN WELL's GD2 series of DIN rail power supplies, designed for robust industrial use. The series is known for high efficiency and compact form factors. It serves as a standard power conversion solution for replacing older relay-based or less efficient power sources in modern automated systems.
Check for direct replacements within the same GD2 series with identical output specifications. Verify pinout compatibility if retrofitting into existing wiring configurations. Ensure replacement units meet the same environmental and safety certifications required for the original installation.
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