NU MB ER
TU RN S
PA RT
#O F
4212-1 4212-2 4212-3 4212-4 4212-5 4212-6 4212-7 4212-8
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
@
— — 325 320 525 520 950 800
@
Wound Beads
FI GU RE
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. Lead Wire Tin/Lead coated copper Packaging Bulk only SUPPRESSORS
For more detailed graphs, contact factory
IMPEDANCE vs. FREQUENCY
1200 1 = Dash
7
1000
1
IMPEDANCE (OHMS)
2 800
8 5 6
600
400 4 200
3
20
40
60
80
100
120
140
160
180
200
FREQUENCY (MHz)
www.delevan.com E-mail: apisales@delevan.com 270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814
50 MH z @ 10 0M Hz @ 15 0M Hz @ 20 0M Hz @ 22 0M Hz
750 575 425 375 600 480 900 550 700 525 — — — — — — — — 400 — 600 — 600 — 400 — — — — — — —
10 MH z
Series 4212
MINIMUM IMPEDANCE
Number
220
240
PAGE
2/ 2002
107
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