4212-1 Datasheet, PDF (1/1 Pages) List of Unclassifed Manufacturers – Wound Beads

Series 4212
Wound Beads
For more detailed graphs, contact factory
IMPEDANCE vs. FREQUENCY
1200
7
1
1000
800 ⁸
600
2
5
6
400
4
200
3
MINIMUM IMPEDANCE
PART ^NUMBERFIGURE
#
OF
TURNS
@
10
MHz
50 ^MHz 100 ^MHz 150 ^MHz 200 ^MHz 220 ^MHz
@
@
@
@@
4212-1 1–3 ₂¹â„₂
— — 750 700
— 400
4212-2 1–3 ₂¹â„₂ 325 — 575 525
——
4212-3 1–1 ₁1⁄₂
— 325 425
— 400 —
4212-4 1–1 ₁1⁄₂ 170 320 375
—
——
4212-5 1–2
4212-6 1–2
2 ^{— 525 600 — 600 —}
2 ^{240 520 480}
—
——
4212-7 1–4
4212-8 1–4
3 ^{— 950 900 — 600 —}
3 ^{400 800 550}
—
——
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 Tin/Lead coated copper
Packaging Bulk only
1 = Dash
Number
20
40
60
80
100 120 140 160 180 200 220 240
FREQUENCY (MHz)
www^.delevan^.com E-mail: [e-mail]
270 Quaker Rd., East Aurora NY 14052 • Phone [phone] • Fax [phone]
2/ 2002
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