MINIMUM IMPEDANCE
4212R
4212
SERIES
Wound Beads
SERIES 4212R / 4212
1–3
1–3
1–1
1–1
1–2
1–2
1–4
1–4
2 1⁄2
2 1⁄2
1 1⁄2
1 1⁄2
2
2
3
3
—
325
—
170
—
240
—
400
—
—
750
575
425
375
600
480
900
550
700
525
—
—
—
—
—
—
—
—
400
—
600
—
600
—
400
—
—
—
—
—
—
—
-1
-2
-3
-4
-5
-6
-7
-8
325
320
525
520
950
800
*Complete part # must include series # PLUS the dash #
For surface finish information, refer to www.delevanfinishes.com
Physical Parameters
Inches
Millimeters
Length
Diameter
0.374 to 0.414
0.216 to 0.256
9.50 to 10.51
5.48 to 6.35
Lead Size
AWG #24 TCW
0.0185 to 0.0215
0.12 Max.
1.10 Min.
0.47 to 0.55
3.05 Max.
28.0 Min.
A
B
Impedances measured on HP 4191A Impedance Analyzer.
High resistivity ferrite material eliminates the need to insulate windings.
Lead Wire Plated copper
Actual Size
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