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www.delevan.com E-mail: apisales@delevan.com
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814
Series 4221
Surface Mount Filter Bead
DCR 0.0008 Ohms max.
Operating Temperature Range –55°C to +125°C
Current Rating 5 Amps max. (35°C Rise, 90° Ambient)
Material Ferrite bead with 90/10 tin/lead plated copper lead
Packaging Tape & reel
Series 4221-1 and 4221-3 (12mm)
Series 4221-2 and 4221-4 (16mm)
7" reel, 500 pieces max.; 13" reel, 4000 pieces max.
4221-2
1
10
FREQUENCY (MHz)
4221-4
4221-1
20
30
40
50
60
70
80
90
100
10
100
1000
TYPICAL CURVES
110
4221-3
Impedance (OHMS)
Part Number
@25MHz (Min.)
@100MHz (±20%)
4221-1
22
47
4221-2
45
95
4221-3
22
42
4221-4
43
85
A in.
0.197 +0.011/-0.028
0.374 +0.015/-0.028
0.217 +0.011/-0.028
0.350 +0.015/-0.028
mm.
(5.0 +0.3/-0.7)
(9.5 +0.4/-0.7)
(5.5 +0.3/-0.7)
(8.9 +0.4/-0.7)
B in.
0.120 ± 0.006
0.120 ± 0.006
0.117 ± 0.006
0.187 ± 0.006
mm.
(3.05 ± 0.15)
(3.05 ± 0.15)
(2.97 ± 0.15)
(4.75 ± 0.15)
C in.
0.120 +0.007/-0.015
0.120 +0.007/-0.015
0.138 +0.007/-0.015
0.138 +0.007/-0.015
mm.
(3.05 +0.2/-0.4)
(3.05 +0.2/-0.4)
(3.50 +0.2/-0.4)
(3.50 +0.2/-0.4)
D in.
0.059 ± 0.025
0.059 ± 0.025
0.059 ± 0.025
0.059 ± 0.025
mm.
(1.50 ± 0.63)
(1.50 ± 0.63)
(1.50 ± 0.63)
(1.50 ± 0.63)
E in.
0.050 ± 0.003
0.050 ± 0.003
0.050 ± 0.003
0.073 ± 0.003
mm.
(1.25 ± 0.07)
(1.25 ± 0.07)
(1.25 ±0.07)
(1.85 ± 0.07)
4221 - 4
4221 - 3
4221 - 2
4221 - 1
For more detailed graphs, contact factory
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