The Leading Source for EMI Shielding
Reliable Board, Enclosure and Cable Solutions
miniature beads
- for cables up to .25”
(6,4mm)
Very small cylindrical suppressors for wire diameters below .25” (6,4mm). Handy
for tight spaces, on-board suppression and general applications.
PART No.
28B0137-3
28B0138-7
28B0200-4
28B0250-1
28B0300-0
28B0385-2
28B0350-0
28B0355-0
28B0375-3
28B0562-2
A
12,7
14,0
22,9
15,9
5,1
16,5
15,9
9,0
19,1
28,6
B
.138
3,5
.138
3,5
.200
5,1
.250
6,4
.300
7,6
.385
9,8
.343
8,7
.787
20,0
.375
9,5
.562
14,2
C
1,3
0,9
1,6
3,2
1,8
0,9
4,3
4,7
4,8
6,4
A
B
C
IMPEDANCE IN OHMS
153 @ 100MHz
234 @ 100MHz
318 @ 100MHz
133 @ 100MHz
93 @ 100MHz
452 @ 100MHz
102 @ 100MHZ
138 @ 100MHz
140 @ 100MHz
257 @ 100MHz
.500
.550
.900
.625
.200
.650
.625
.354
.750
1.125
.051
.034
.062
.125
.069
.038
.170
.187
.192
.250
performance by part number:
TYPICAL PERFORMANCE
1000
28B2000
28B2043/2044
28R1260
28B0937/1937
28B0642/1642/0350-0
28B0805/1805
28B0984/1984
TYPICAL PERFORMANCE
1000
28B0385-2
28B4340
28B3012/3500/0550
28B2480/1240
28B1729
28R1127
28B0010/2940
28R1953
28B0300-0
1000
TYPICAL PERFORMANCE
IMPEDANCE (Ω)
IMPEDANCE (Ω)
IMPEDANCE (Ω)
100
100
100
28B1625-1/28R0984-2
28B0686/0736-0
28R1575/2300
28B3375/1251/0765
28B0625-0/0146/0563
28B1417-0/2400-0
28B0870-0
10
10
10
1
1M
10M
100M
FREQUENCY (Hz)
1G
1
1M
10M
100M
FREQUENCY (Hz)
1G
1
1M
10M
100M
FREQUENCY (Hz)
1G
TYPICAL PERFORMANCE
1000
28B2000-3
28B0626-0
28B0562-2
28B0686-2
28B1250-2/1775-1/1265
28R1261-2/1450-1/1457-4
28B2027
1000
TYPICAL PERFORMANCE
IMPEDANCE (Ω)
IMPEDANCE (Ω)
100
100
28B0200-4
28B0138-7
28B1123
28B0137-3/0355-0
28B0250-1/1500
28B0999/0500
10
10
1
1M
10M
100M
FREQUENCY (Hz)
1G
1
1M
10M
100M
FREQUENCY (Hz)
1G
14100 McCormick Drive
Tampa, FL 33626
866.TECH.EMI (866.832.4364)
www.leadertechinc.com
T: 813.855.6921
F: 813.855.3291
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