SERIES
Wound Beads
4212R
4212
MINIMUM IMPEDANCE
D
A
S
H
N
U
F
MB
T
IG
U
E
R
R
E
*
1
0
U
MH
R
N
S
z
1
5
0
MH
z
1
0
MH
5
0
z
0
MH
2
0
0
MHz
z
Suppressors
220 MHz
Actual Size
SERIES 4212R / 4212
2 1⁄2
-1
-2
-3
-4
-5
-6
-7
-8
1–3
2 1⁄2
1–3
1 1⁄2
1–1
1 1⁄2
1–1
1–2
1–2
1–4
1–4
For surface finish information, refer to www.delevanfinishes.com
2
2
3
3
*Complete part # must include series # PLUS the dash #
—
325
—
170
—
240
—
400
325
320
525
520
950
800
750
—
575
—
425
375
600
480
900
550
700
525
—
—
—
—
—
—
400
600
600
—
—
—
—
—
400
—
—
—
—
—
—
—
Physical Parameters
Inches Millimeters
Length 0.374 to 0.414 9.50 to 10.51
Diameter 0.216 to 0.256 5.48 to 6.35
Lead Size
AWG #24 TCW 0.0185 to 0.0215 0.47 to 0.55
A 0.12 Max. 3.05 Max.
B 1.10 Min. 28.0 Min.
Impedances measured on HP 4191A Impedance Analyzer.
High resistivity ferrite material eliminates the need to insulate windings.
Lead Wire Plated copper
Packaging Bulk only
For more detailed graphs, contact factory
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com
1/2009
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