r
pp
Su
MINIMUM IMPEDANCE
SERIES
Wound Beads
4212R
4212
DA
SH
NU
E
MB
R*
Hz
0M
20
Hz
0M
22
Hz
0M
15
Hz
0M
10
z
MH
50
-1
-2
-3
-4
-5
-6
-7
-8
es
rs
so
Physical Parameters
Length
Diameter
Lead Size
AWG #24 TCW
A
B
Inches
0.374 to 0.414
0.216 to 0.256
0.0185 to 0.0215
0.12 Max.
1.10 Min.
Millimeters
9.50 to 10.51
5.48 to 6.35
0.47 to 0.55
3.05 Max.
28.0 Min.
Impedances
measured on HP 4191A Impedance Analyzer.
High resistivity ferrite material
eliminates the need to insulate windings.
Actual Size
Lead Wire
Plated copper
Packaging
Bulk only
RE
GU
FI
1–3
1–3
1–1
1–1
1–2
1–2
1–4
1–4
For surface finish information, refer to www.delevanfinishes.com
S
RN
TU
2 1⁄2
2 1⁄2
1 1⁄2
1 1⁄2
2
2
3
3
*Complete part # must include series # PLUS the dash #
z
MH
10
SERIES 4212R / 4212
—
—
750
700
325
—
575
525
—
325
425
—
170
320
375
—
—
525
600
—
240
520
480
—
—
950
900
—
400
800
550
—
—
—
400
—
600
—
600
—
400
—
—
—
—
—
—
—
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