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MMSD485B is listed in the Single Diodes range at ChipApex. The manufacturer field lists onsemi. Its product description is DIODE STANDARD SOD123. Review the specifications below when checking this part for your BOM.
The MMSD485B is a general-purpose surface mount switching diode manufactured by onsemi. It is housed in an SOD-123 package and features a peak reverse voltage of 100 V. The device supports a maximum forward current of 200 mA and can withstand a surge current of 4 A.
Verify component status carefully as the MMSD485B is classified as obsolete and no longer manufactured. Source replacement parts from authorized distributors only. Confirm that substitute components meet all original electrical specifications including voltage ratings and package dimensions before integration into designs.
Select verified substitutes such as the MMSD4148T1G which maintains similar electrical characteristics. Ensure the replacement part matches the required SOD-123 footprint and meets the 100 V reverse voltage and 200 mA forward current requirements specified for the original component.
This component belongs to onsemi's small signal switching diode portfolio, designed for general-purpose rectification and signal processing tasks. It utilizes standard semiconductor manufacturing processes to provide reliable performance in compact electronic assemblies requiring efficient current control.
The MMSD4148T1G is a confirmed available substitute for this obsolete part number.
Explore related parts through Rectifiers, Diodes, Discrete Semiconductor Products, all product categories.