Overview
The Fair-Rite 2743019447 is a high-performance SMD ferrite bead engineered for EMI suppression and broadband RF noise attenuation. This differential-mode ferrite bead features a 53Ω impedance at 100 MHz, making it ideal for signal line filtering in digital and analog circuits. Its J-lead configuration simplifies PCB assembly and allows direct solder mounting without additional components.
Key Features
- 53Ω impedance @ 100 MHz for effective broadband noise suppression
- 5A maximum DC current rating with 800µΩ ultra-low DC resistance
- SMD J-lead package (5.1 × 3.1 mm) for space-constrained designs
- Broadband frequency response covering 25–300 MHz
- Operating temperature range of –55°C to +125°C for industrial environments
- RoHS compliant, lead-free design
Technical Specifications
- Impedance @ 100 MHz: 53Ω
- DC Current Rating (Max): 5A
- DC Resistance (Max): 800µΩ (0.0008Ω)
- Package Type: 2-SMD, J-Lead
- Length × Width × Height: 5.1 mm × 3.1 mm × 3.05 mm
- Frequency Range: 25–300 MHz (broadband)
- Operating Temperature: –55°C to +125°C
- Material Grade: Ferrite 43
- RoHS Status: Compliant
- Packaging Options: Cut Tape, MouseReel, Reel (2,800 pcs)
Typical Applications
- High-speed digital signal line filtering (USB, Ethernet, PCIe)
- Mixed-signal circuit EMI suppression in consumer electronics
- Power supply input/output noise reduction
- Differential pair and single-ended signal conditioning
- Industrial control and telecom equipment RF immunity
Compatibility & Replacements
Compatible With
- PCB design for surface-mount assembly (0.1″ to 0.2″ pitch preferred)
- Standard reflow soldering profiles (MSL 1 – no baking required)
- CADCAM tools: Eagle, Altium, KiCad, Allegro, PADS, OrCAD
- Broadband RF filtering networks across industrial frequency ranges
Replaces / Drop-In Replacement For
- No direct equivalent drop-in replacements found. Verify impedance, current rating, and frequency response with your system integrator before substituting alternative models.
Works With
- Multi-layer PCB designs with SMT assembly
- Standard reflow soldering and wave soldering environments
- EDA schematic and PCB layout libraries (symbols and footprints available on SnapEDA and JLCPCB)
- Industrial EMI/RFI filter networks and shielded cable terminations
