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2/ 2002
PAGE
107
www.delevan.com E-mail: apisales@delevan.com
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814
4212-1
4212-2
4212-3
4212-4
4212-5
4212-6
4212-7
4212-8
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 Tin/Lead coated copper
Packaging Bulk only
Series 4212
Wound Beads
—
—
400
—
600
—
600
—
400
—
—
—
—
—
—
—
700
525
—
—
—
—
—
—
750
575
425
375
600
480
900
550
—
—
325
320
525
520
950
800
—
325
—
170
—
240
—
400
21⁄2
21⁄2
11⁄2
11⁄2
2
2
3
3
1–3
1–3
1–1
1–1
1–2
1–2
1–4
1–4
MINIMUM IMPEDANCE
IMPEDANCE vs. FREQUENCY
20
200
FREQUENCY (MHz)
40
60
80
100
120
140
160
180
200
220
240
400
600
800
1000
1200
3
= Dash
Number
1
4
5
6
1
7
2
8
For more detailed graphs, contact factory
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