4212R Datasheet, PDF (1/1 Pages) API Delevan – Wound Beads

SERIES
4212R
4212
Wound Beads
Actual Size
For more detailed graphs, contact factory
DASH _NUMBER*
FIGURE
TURNS
MINIMUM IMPEDANCE
10 _MHz 50 _MHz ¹⁰⁰ _MHz ¹⁵⁰ _MHz
200 _MHz
220 _MHz ^Suppressors
SERIES 4212R / 4212
-1 1–3 2 1⁄2
— — 750 700
—
400
-2 1–3 2 1⁄2 325 — 575 525
—
—
-3 1–1 1 1⁄2
— 325 425
—
400
—
-4 1–1 1 1⁄2 170 320 375
—
—
—
-5 1–2
2
— 525 600
—
600
—
-6 1–2
2
240 520 480
—
—
—
-7 1–4
3
— 950 900
—
600
—
-8 1–4
3
400 800 550
—
—
—
*Complete part # must include series # PLUS the dash #
For surface finish information, refer to www.delevanfinishes.com
Physical Parameters
Inches
Length
0.374 to 0.414
Diameter
0.216 to 0.256
Lead Size
AWG #24 TCW
0.0185 to 0.0215
A
0.12 Max.
B
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.
Lead Wire Plated copper
Packaging Bulk only
270 Quaker Rd., East Aurora NY 14052 • Phone [phone] • Fax [phone] • E-mail: [e-mail] • www.delevan.com
1/2009