Coilcraft Wirewound Ferrite Beads Designer Kits
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Coilcraft Wirewound Ferrite Beads Designer Kits

February 1, 2022
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Coilcraft wirewound ferrite beads provide superior broadband performance compared to both low- and high-DCR chip ferrite beads. Wirewound ferrite beads provide a high magnitude of attenuation over a wide frequency range, whereas traditional thick-film chip ferrite beads have limited options for both attenuation and frequency range. In addition to offering better attenuation and frequency performance than their chip counterparts, wirewound ferrite beads provide lower DC resistance (DCR) and higher current ratings without core saturation, resulting in the highest possible performance in the smallest size. 

0201 (0603)

 
  Product series Inductance Features Length (mm) Width (mm) Height (mm)  
  0201AF 33 nH — 200 nH
  • Optimized for RF isolation from 900 MHz to 9 GHz
  • High values in 0201 size – up to 200 nH 
 0.58 0.36 0.46 View Series
  026011F 27 nH — 560 nH
  • Performance-enhanced 0201 size – 0.76 × 0.33 × 0.55 mm
  • Highest values in 0201 – up to 560 nH
 0.76 0.33 0.55 View Series

0402 (1005)

 
  Product series Inductance Features Length (mm) Width (mm) Height (mm)  
  0402FL 20 nH — 560 nH
  • Ideal as a one-pole filter or RF choke
  • Effective on-board or as modular element
 1.11 0.72 0.55 View Series
  0402DF 20 nH — 3.3 µH
  • Lowest DCR – Ideal for cellular / mobile
  • Highest L values – up to 3300 nH
 1.11 0.66 0.66 View Series
  0402AF 20 nH — 560 nH
  • Original 0402 ferrite chip inductors
  • High inductance values
 1.12 0.66 0.66 View Series

0603 (1608)

 
  Product series Inductance Features Length (mm) Width (mm) Height (mm)  
  0603AF 15 nH — 10 µH
  • Heavy gauge wire for higher current
  • ±5% inductance tolerance for all values
 1.8 1.12 0.91 View Series
  0603LS 47 nH — 22 µH
  • High current, low DCR in an 0603 footprint
  • Tight tolerances: ±5% and ±2%
 1.8 1.12 1.12 View Series

0805 (2012)

 
  Product series Inductance Features Length (mm) Width (mm) Height (mm)  
  0805AF 110 nH — 22 µH
  • Heavy gauge wire for low DCR
  • ±5% inductance tolerance for all values
 2.29 1.73 1.52 View Series
  0805RB 190 nH — 2.9 µH
  • Optimized high impedance over a wide frequency range
  • ​Higher SRF than other 0805 series
 2.29 1.73 1.52 View Series
  0805LS 78 nH — 27 µH
  • High current, low DCR in an 0805 footprint
  • Tight tolerances: ±5% and ±2%
 2.29 1.91 1.6 View Series

1008 (2520)

 
  Product series Inductance Features Length (mm) Width (mm) Height (mm)  
  1008AF 900 nH — 10 µH
  • High current handling and low DCR in 1008 (2520) size
  • ±5% L tolerance standard for all values
 2.92 2.79 1.91 View Series
  1008LS 1.0 µH — 100 µH
  • Higher Q and lower DCR than 1008CS/HS Series
  • Low DCR and Tight tolerance – ±5%
 2.92 2.79 2.03 View Series

1812 (4532)

 
  Product series Inductance Features Length (mm) Width (mm) Height (mm)  
  1812FS 1.0 µH — 1000 µH
  • Magnetically shielded for low EMI
  • High performance in filter applications
 4.95 3.81 3.43 View Series
  1812LS 12 µH — 1000 µH
  • Excellent current handling in 1812 (4532) size
  • Tight tolerance:  ±5% for all values
 4.95 3.81 3.43 View Series

  • Higher performance than other surface mount ferrite beads in the market

  • High impedance across a wide bandwidth; up to GHz band

  • Ferrite construction and heavy gauge wire for high current handling

  • Extremely low DCR for high current applications – as low as 0.11 Ohms

  • Eliminates high frequency noise in power supplies or RF signal isolation applications

  • Standard package sizes from 0201 (0603) to 1812 (4532)

  • RoHS Compliant, halogen free. 260°C compatible. Matte tin over nickel over silver

  • Samples are available in Coilcraft Designer’s Kits

Contact LTM Sales to receive your free samples and designer’s kits today!