API Delevan CF Series User Manual

Cf series, Cylindrical emi suppression ferrites, Su pp re ss ors

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Su

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270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: [email protected] • www.delevan.com

CF SERIES

Cylindrical EMI Suppression Ferrites

API's Cylindrical EMI Suppression ferrites provide a cost effective means of

reducing common and differential mode EMI. Used to suppress common

mode EMI on the internal and external cable assemblies of electronic

equipment.

Select a ferrite with an inner diameter most closely matching the outer

diameter of the wires to be filtered.

Features
• Wide range of sizes with inner diameters from 1.5 mm (0.059 inches) to 23

mm (0.905 inches)

• Precision formed smooth surfaces prevent damage to wire insulation

• Available in API-1 and API-2 material.

• Custom designs available

Applications
• Internal and external computer data and power cables.

**Note – Impedance Testing Impedance is typical, measurement using
HP4191A. For CF1-4*1.5*10 through CF2-4.6*1.85*6, based on 1⁄2 turn

(4.0") 32 AWG wire. For CF1-7.35*5.1*10 and above, based on 1⁄2 turn

(4.0") 19 AWG wire.

CF1-4*1.5*10
CF2-4*1.5*10
CF1-4*2*10
CF2-4*2*10
CF1-4.6*1.85*6
CF2-4.6*1.85*6
CF1-7.35*5.1*10
CF2-7.35*5.1*10
CF1-9.5*4.8*20
CF2-9.5*4.8*20
CF1-10.5*5.5*20
CF2-10.5*5.5*20
CF1-12*7.3*15
CF2-12*7.3*15
CF1-14.2*6.35*28.5
CF2-14.2*6.35*28.5
CF1-16*9*17
CF2-16*9*17
CF1-17.5*9.5*28.5
CF2-17.5*9.5*28.5
CF1-21*13.2*21
CF2-21*13.2*21
CF1-26*13*28.5
CF2-26*13*28.5
CF1-28*15.6*7.5
CF2-28*15.6*7.5
CF1-31*19*10
CF2-31*19*10
CF1-36*23*15
CF2-36*23*15

50
55
40
40
35
35
23
23
70
80
65
70
40
40

115
125

50
55
95
95
55
55

100
110

28
28
30
30
40
40

135
116
102

86
89
77
68
63

171
142
161
134
107

89

280
230
130
109
217
172
136
115
235
198

85
76
91
83

113
101

300
269
282
255
261
237
217
214
263
251
273
261
273
242
302
210
281
257
310
296
309
305
325
316
313
286
232
320
384
369

0.157±.007
0.157±.007
0.157±.007
0.157±.007
0.181±.007
0.181±.007
0.289±.011
0.289±.011
0.374±.011
0.374±.011
0.413±.015
0.413±.015
0.472±.019
0.472±.019
0.559±.019
0.559±.019
0.629±.019
0.629±.019
0.688±.023
0.688±.023
0.826±.023
0.826±.023
1.023±.027
1.023±.027
1.102±.031
1.102±.031
1.220±.031
1.220±.031
1.417±.031
1.417±.031

4.0±0.2
4.0±0.2
4.0±0.2
4.0±0.2
4.6±0.2
4.6±0.2

7.35±0.3
7.35±0.3

9.5±0.3
9.5±0.3

10.5±0.4
10.5±0.4
12.0±0.5
12.0±0.5
14.2±0.5
14.2±0.5
16.0±0.5
16.0±0.5
17.5±0.6
17.5±0.6
21.0±0.6
21.0±0.6
26.0±0.7
26.0±0.7
28.0±0.8
28.0±0.8
31.0±0.8
31.0±0.8
36.0±0.8
36.0±0.8

0.059±.005
0.059±.005
0.078±.007
0.078±.007
0.072±.007
0.072±.007
0.200±.007
0.200±.007
0.188±.007
0.188±.007
0.216±.007
0.216±.007
0.287±.011
0.287±.011
0.250±.011
0.250±.011
0.354±.011
0.354±.011
0.374±.011
0.374±.011
0.519±.019
0.519±.019
0.511±.019
0.511±.019
0.614±.019
0.614±.019
0.748±.023
0.748±.023
0.905±.023
0.905±.023

1.5±0.15
1.5±0.15

2.0±0.2
2.0±0.2

1.85±0.2
1.85±0.2

5.1±0.2
5.1±0.2
4.8±0.2
4.8±0.2
5.5±0.2
5.5±0.2
7.3±0.3
7.3±0.3

6.35±0.3
6.35±0.3

9.0±0.3
9.0±0.3
9.5±0.3
9.5±0.3

13.2±0.5
13.2±0.5
13.0±0.5
13.0±0.5
15.6±0.5
15.6±0.5
19.0±0.6
19.0±0.6
23.0±0.6
23.0±0.6

0.393±.015
0.393±.015
0.393±.015
0.393±.015
0.236±.011
0.236±.011
0.393±.015
0.393±.015
0.787±.023
0.787±.023
0.787±.023
0.787±.023
0.590±.019
0.590±.019
1.122±.031
1.122±.031
0.669±.023
0.669±.023
1.122±.031
1.122±.031
0.826±.023
0.826±.023
1.122±.031
1.122±.031
0.295±.011
0.295±.011
0.393±.015
0.393±.015
0.590±.019
0.590±.019

10.0±0.4
10.0±0.4
10.0±0.4
10.0±0.4

6.0±0.3
6.0±0.3

10.0±0.4
10.0±0.4
20.0±0.6
20.0±0.6
20.0±0.6
20.0±0.6
15.0±0.5
15.0±0.5
28.5±0.8
28.5±0.8
17.0±0.6
17.0±0.6
28.5±0.8
28.5±0.8
21.0±0.6
21.0±0.6
28.5±0.8
28.5±0.8
7.50±0.3
7.50±0.3
10.0±0.4
10.0±0.4
15.0±0.5
15.0±0.5

PART
NUMBER

IMPEDANCE**

@ 25

MHz

(Min.)

@ 100

MHz

(Typ.)

DIMENSION A

INCHES

mm

DIMENSION B

INCHES

mm

DIMENSION C

INCHES

mm

@ 300

MHz

(Typ.)

1/2009

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