Fair-Rite Product's Catalog
Part Data Sheet, 2643001301
Printed: 2013-07-03
Fair-Rite Products Corp. PO Box J,One Commercial Row, Wallkill, NY 12589-0288
Phone: (888) 324-7748 www.fair-rite.com
Part Number:
2643001301
Frequency Range: Broadband Frequencies 25-300 MHz (43 material)
Description:
Application:
Where Used:
Part Type:
43 SHIELD BEAD
Suppression Components
Board Component
EMI Suppression Beads
Mechanical Specifications
Weight:
.180
(g)
Part Type Information
Fair-Rite offers a broad selection of ferrite EMI suppression beads with guaranteed minimum impedance specifications.
-Beads with a '1' as the last digit of the part number are not burnished. Parts that are burnished to break the sharp edges
have a '2' as the last digit.
-Upon request beads can be supplied with a Parylene coating. The last digit of the Parylene coated part is a '4'. The minimum
coating thickness beads is 0.005 mm (.0002'').
-The column 'H (Oe)' gives for each bead the calculated dc bias field in oersted for 1 turn and 1 ampere direct current. The
actual dc H field in the application is this value of 'H' times the actual NI (ampere-turn) product. For the effect of the
dc bias on the impedance of the bead material, see figures 18-23 in the application note
www.fair-rite.com/newfair/pdf/CUP%20Paper.pdf document for 'How to choose Ferrite Components for EMI Suppression.
-Suppression beads are controlled for impedances only. Minimum impedance values are specified for the + marked frequencies.
The minimum impedance is typically the listed impedance less 20%.
-Single turn impedance tests for 73 and 43 material beads are performed on the 4193A Vector Impedance Analyzer. The 61 material
beads are tested on the 4291A RF Impedance Analyzer. Beads are tested with the shortest practical wire length.
-For any EMI suppression bead requirement not listed here, feel free to contact our customer service for
availability and pricing.
-The 'C' dimension, the bead length, can be modified to suit specific applications.
-Our 'Shield Bead Kit' (part number 0199000019) contains a selection of these beads.
-Explanation of Part Numbers: Digits 1&2 = product class, 3&4 = material grade and last digit 1= not burnished, 2 = burnished and
4 = Parylene coated.
Fair-Rite Product's Catalog
Part Data Sheet, 2643001301
Printed: 2013-07-03
Fair-Rite Products Corp. PO Box J,One Commercial Row, Wallkill, NY 12589-0288
Phone: (888) 324-7748 www.fair-rite.com
Mechanical Specifications
Dim
mm
mm
tol
A
B
C
D
E
F
G
H
J
K
3.55
1.65
5.95
-
-
-
-
-
-
-
±0.15
+0.25
±0.25
-
-
-
-
-
-
-
nominal inch
inch
0.140
0.070
0.234
-
-
-
-
-
-
-
misc.
-
-
-
-
-
-
-
-
-
-
Land Patterns
V
W
ref
-
-
-
-
-
-
-
-
-
-
X
Y
Z
Winding Information
Turns
Tested
-
-
Wire
Size
-
1st Wire
Length
-
2nd Wire
Length
Reel Information
Tape Width Pitch
mm
-
mm
-
Parts 7 ''
Reel
-
Parts 13 '' Parts 14 ''
Reel
-
Reel
-
Electrical Specifications
Typical Impedance ( )
10 MHz
25 MHz+
100 MHz+
250 MHz
21
31
48
65
Package Size
Pkg Size
-
(-)
Connector Plate
# Holes
# Rows
-
-
Electrical Properties
H(Oe)
1.60
Legend
+ Test frequency
Preferred parts, the suggested choice for new designs,have shorter lead times and are more readily available.
The column H(Oe) gives for each bead the calculated dc bias field in oersted for 1 turn and 1 ampere direct current. The actual dc H field in
the application is this value of H times the actual NI (ampere-turn) product. For the effect of the dc bias on the impedance of the bead material,
see figures 18-23 in the application note How to choose Ferrite Components for EMI Suppression.
A ½ turn is defined as a single pass through a hole.
l/A - Core Constant
Ae : Effective Cross-Sectional Area
L
AL - Inductance Factor
(
__ 2
)
N
N/AWG - Number of Turns/Wire Size for Test Coil
l e : Effective Path Length
Ve : Effective Core Volume
Nl - Value of dc Ampere-turns
Fair-Rite Product's Catalog
Part Data Sheet, 2643001301
Printed: 2013-07-03
Fair-Rite Products Corp. PO Box J,One Commercial Row, Wallkill, NY 12589-0288
Phone: (888) 324-7748 www.fair-rite.com
See next page for further material specifications.
Fair-Rite Product's Catalog
Part Data Sheet, 2643001301
Printed: 2013-07-03
Fair-Rite Products Corp. PO Box J,One Commercial Row, Wallkill, NY 12589-0288
Phone: (888) 324-7748 www.fair-rite.com
Fair-Rite Product's Catalog
Part Data Sheet, 2643001301
Printed: 2013-07-03
Fair-Rite Products Corp. PO Box J,One Commercial Row, Wallkill, NY 12589-0288
Phone: (888) 324-7748 www.fair-rite.com
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