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VJ5301M433MXBSR is listed in the Antennas RF range at ChipApex. The manufacturer field lists Vishay Vitramon. Its product description is RF ANT 433MHZ CHIP SOLDER SMD. Review the specifications below when checking this part for your BOM.
The VJ5301M433MXBSR is a ceramic chip RF antenna manufactured by Vishay Vitramon, designed for surface-mount soldering applications. It operates within the UHF frequency band, specifically centered at 433MHz with a functional range of 370MHz to 510MHz. The component provides a gain of -5.7dBi and maintains a return loss of -3dB. It features a maximum height of 0.047 inches (1.20mm) and complies with RoHS3 standards. This single-band antenna is classified as obsolete.
This component is officially listed as obsolete and no longer in active production by Vishay Vitramon. Availability is restricted to remaining stock or secondary market sources. Verify end-of-life status and lead times carefully before design finalization. Ensure that any replacement strategy accounts for the discontinuation of this specific part number to avoid supply chain interruptions.
Engineers should consider alternative components due to the obsolete status of this model. When selecting replacements, verify that the substitute antenna matches the required 433MHz center frequency and UHF band operation. Physical dimensions, particularly the 1.20mm maximum height, must align with existing board space constraints. Electrical performance metrics such as gain and return loss should be compared against original design specifications to maintain system integrity.
The VJ5301M433MXBSR belongs to the VJ Series of antennas produced by Vishay Vitramon. This series includes various chip antennas tailored for different frequency bands within the RF spectrum. As an SMD ceramic antenna, it represents a compact solution for integrating wireless functionality into portable or space-constrained electronic devices requiring reliable UHF communication capabilities.
The 0433AT62A0020001U from Johanson Technology Inc. is documented as a similar replacement option.
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