Genuine Motorola Surface Mount Ferrite Bead for EMI Suppression
The Motorola 2484657R01 is a compact surface mount ferrite bead chip inductor designed for electromagnetic interference (EMI) suppression and noise filtering in Motorola two-way radio equipment. This essential component attenuates high-frequency noise while allowing DC and low-frequency signals to pass through, making it critical for maintaining clean power rails, preventing RF interference, and ensuring regulatory compliance in radio transmitter and receiver circuits. The component features a durable black ferrite core with silvered metallized end caps for reliable surface mount installation.
Key Features
- Genuine Motorola OEM ferrite bead ensures proper impedance characteristics and EMI suppression performance
- Compact surface mount chip design minimizes PCB footprint in dense radio circuit layouts
- Black ferrite core material provides effective high-frequency noise attenuation without affecting DC performance
- Dual silvered metal end caps enable secure surface mount soldering and excellent electrical contact
- Low DC resistance prevents voltage drop across the component in power supply applications
- Wide frequency response effectively suppresses EMI across the radio's operating spectrum
- Robust encapsulated construction withstands mechanical stress and environmental conditions in mobile radio installations
Technical Specifications
- Component Type: Ferrite Bead Chip Inductor
- Mounting Type: Surface Mount Device (SMD)
- Construction: Ferrite core with metallized end terminations
- Package Style: Rectangular chip component
- Termination: Silvered metal end caps
- Color: Black ferrite body with silver terminals
What's Included
- One (1) Motorola 2484657R01 Ferrite Bead Chip Inductor
Application and Installation Notes
Ferrite bead chip inductors are critical components in radio frequency equipment, serving multiple essential functions. This component is typically used in power supply filtering to prevent switching noise from contaminating sensitive RF circuits, in signal path conditioning to block unwanted high-frequency interference, and in protection circuits to attenuate EMI that could cause regulatory compliance issues or degrade radio performance. The ferrite bead's frequency-dependent impedance makes it ideal for applications where DC current must flow freely while high-frequency noise is effectively suppressed.
Professional installation is required for this surface mount component. Use a temperature-controlled soldering station with appropriate tip size for small SMD work. Apply solder to both end cap terminals ensuring good wetting to the PCB pads. Avoid excessive heat exposure which could damage the ferrite material or degrade its magnetic properties. The component has no polarity, so orientation does not matter during installation. However, proper placement location is critical as ferrite beads are position-sensitive in EMI suppression applications.
This component should be replaced during troubleshooting of EMI-related issues, spurious signal problems, power supply noise complaints, or when performing board-level repairs on Motorola radio equipment. Common failure symptoms include increased background noise, spurious emissions, unstable power rails, or interference with adjacent electronic devices. Ideal for experienced radio technicians, authorized Motorola service centers, and electronics repair professionals working with communications equipment.
Manufacturer Part Number: 2484657R01
