PC Beads (Through Hole) Part Number: 2944778301 44 PC BEAD Explanation of Part Numbers: Digits 1 & 2 = Product Class Digits 3 & 4 = Material Grade Last digit 1 = Standard Wire Length 2.4 mm (0.095) Minimum, 2 = Wire Length 3.1 mm (0.122) Minimum Multiple single turn or multi- turn printed circuit EMI suppression beads are available in two Fair- Rite materials. The broadband 44 material and in the high frequency 52 material grade. Wires are oxygen free high conductivity copper with 100% matte tin plating over a nickel undercoating. Wires on top of the beads are covered with a layer of epoxy. Recommended operating and storage temperature for the PC Beads is -55 C to +125 C. Recommended Soldering Profile Catalog Drawing 3D Model PC Beads can be supplied with lower component heights C. Also, the wire length F can be modified to specific requirements. Weight: 6 (g) Dim mm mm tol nominal inch inch misc. A 11.2 -0.50 0.431 B 11.2 -0.50 0.431 C 11.8 Max 0.464 Max D 2.54 0.10 0.1 E 7.6 0.20 0.299 F 2.79 0.25 0.110 G 0.65 0 22 AWG Chart Legend + Test frequency Typical Impedance () 10 MHz 142 + 25 MHz 224 + 100 MHz 372 250 MHz 402 PC Beads are controlled for impedance only. Minimum impedance values are specified for the + marked frequencies. The minimum impedance is listed on our catalog drawing. Catalog Drawing The PC Beads in 44 material are measured on the E4990A Impedance Analyzer. The 52 PC Beads are tested for impedance on the E4991A / HP4291B Impedance Analyzer.The PC Beads in 44 material are measured on the E4990A Impedance Analyzer. The 52 PC Beads are tested for impedance on the E4991A / HP4291B Impedance Analyzer. CSV Download Fair- Rite Products Corp. One Commercial Row, Wallkill, New York 12589-0288 888-324-7748 845-895-2055 Fax: 845-895-2629 emailprotected www.fair- rite.com