70f series

T
PL
IA
N
†
Ro
HS
CO
M
Varnished Chokes
• High Q, high self-resonant
frequency
• High voltage application on phenolic
and ferrite components
• Universal wound
• Low cost
• Varnish coated
• Operating temperature:
phenolic -55 to +125 °C;
iron, ferrite -55 to +105 °C
Notes
* Current to cause 35 °C max. temperature rise
† RoHS Directive 2002/95/EC Jan 27 2003
including Annex.
1.25
B
A
Dia.
0.025 for 0.1-22,000uh
0.032 for 25,000-500,000uh
Dimensions: Inches
70F Series
SRF
DCR
(MHz)
Ω
Min.
Max.
Part
Number
L (µH)
±20 %
Q
Min.
Test
Freq.
(MHz)
70F107AP-RC
70F157AP-RC
70F227AP-RC
70F337AP-RC
70F477AP-RC
70F687AP-RC
70F757AP-RC
70F827AP-RC
70F106AI-RC
0.10
0.15
0.22
0.33
0.47
0.68
0.75
0.82
1.0
±10 %
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
7.5
8.2
9.1
10
12
15
±5 %
18
22
25
27
33
39
47
56
68
75
82
91
100
120
150
180
200
220
250
270
300
330
350
49
52
48
47
46
48
48
48
41
25
25
25
25
25
25
25
25
25
600
490
400
330
280
240
224
216
118
45
42
31
43
34
40
35
43
41
40
32
37
41
36
52
52
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
2.5
2.5
52
51
48
49
50
48
44
45
42
38
41
41
25
40
47
48
47
46
49
46
46
41
46
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
70F126AI-RC
70F156AI-RC
70F186AI-RC
70F226AI-RC
70F276AI-RC
70F336AI-RC
70F396AI-RC
70F476AI-RC
70F566AI-RC
70F686AI-RC
70F756AI-RC
70F826AI-RC
70F916AI-RC
70F105AI-RC
70F125AI-RC
70F155AI-RC
Ro VE LEA
HS RS D
CO ION FRE
M SA E
PL R
IA E
NT
*
LE
AD
Special Features
FR
EE
Shaded models are currently available,
but not recommended for new
designs.
70F185AI-RC
70F225AI-RC
70F255AI-RC
70F275AI-RC
70F335AI-RC
70F395AI-RC
70F475AI-RC
70F565AI-RC
70F685AI-RC
70F755AI-RC
70F825AI-RC
70F915AI-RC
70F104AI-RC
70F124AI-RC
70F154AI-RC
70F184AI-RC
70F204AI-RC
70F224AI-RC
70F254AI-RC
70F274AI-RC
70F304AI-RC
70F334AI-RC
70F354AI-RC
I, DC*
(mA)
Dim.
A
Max
Dim.
B
Core
±0.03 Material
0.13
0.25
0.38
0.70
0.125
0.20
0.264
0.29
0.048
3922
2828
2294
1690
1264
1000
870
830
2041
0.15
0.14
0.14
0.12
0.12
0.12
0.12
0.12
0.16
0.31
0.31
0.31
0.31
0.31
0.31
0.31
0.31
0.25
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Iron
118
102
89
87
74
66
61
53
49
49
44
41
21
19
19
16
0.072
0.096
0.096
0.156
0.168
0.24
0.264
0.457
0.492
0.624
0.624
0.744
1.44
1.56
1.68
1.92
1666
1443
1443
1132
1091
912
870
661
637
566
566
518
288
277
267
250
0.16
0.16
0.16
0.16
0.16
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.16
0.16
0.16
0.16
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
15
13
13
12
10
9.3
9.1
8.6
8.1
7.2
6.7
6.7
3.6
3.2
3.0
2.8
2.7
2.5
2.5
2.5
2.2
2.0
2.0
2.28
2.28
2.64
2.64
2.76
3.36
3.36
3.84
4.2
4.56
4.8
4.92
7.68
8.16
8.16
8.16
10.3
11.5
12.1
13.2
13.2
13.9
14.4
229
229
213
213
208
188
188
176
169
162
158
156
139
135
135
135
120
114
111
106
106
103
102
0.16
0.16
0.17
0.17
0.17
0.17
0.17
0.18
0.18
0.18
0.18
0.18
0.16
0.16
0.16
0.17
0.17
0.17
0.17
0.17
0.17
0.17
0.18
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
“-RC” suffix indicates RoHS compliance.
Continued next page.
Tel. (877) 426-8767 • Fax (951) 781-5006
REV. 05/16
www.bourns.com
20.3
T
PL
IA
N
†
Ro
HS
CO
M
Varnished Chokes
• High Q, high self-resonant
frequency
• High voltage application on phenolic
and ferrite components
• Universal wound
• Low cost
• Varnish coated
• Operating temperature:
phenolic -55 to +125 °C;
iron, ferrite -55 to +105 °C
Notes
* Current to cause 35 °C max. temperature
rise
† RoHS Directive 2002/95/EC Jan 27 2003
including Annex.
1.25
B
A
Dia.
0.025 for 0.1-22,000uh
0.032 for 25,000-500,000uh
Dimensions: Inches
Part
Number
70F394AI-RC
70F474AI-RC
70F504AI-RC
70F564AI-RC
70F684AI-RC
70F754AI-RC
70F824AI-RC
70F914AI-RC
70F103AI-RC
70F123AI-RC
70F153AI-RC
70F183AI-RC
70F223AI-RC
70F253AI-RC
70F273AI-RC
70F333AI-RC
70F393AI-RC
70F473AI-RC
70F563AI-RC
70F683AI-RC
70F753AI-RC
70F823AI-RC
70F913AI-RC
70F102AI-RC
70F122AI-RC
70F152AI-RC
70F182AI-RC
70F222AI-RC
70F252AF-RC
70F272AF-RC
70F332AF-RC
70F392AF-RC
70F472AF-RC
70F502AF-RC
70F562AF-RC
70F682AF-RC
70F752AF-RC
70F822AF-RC
70F912AF-RC
70F101AF-RC
70F121AF-RC
70F151AF-RC
70F181AF-RC
70F221AF-RC
70F251AF-RC
70F271AF-RC
70F331AF-RC
70F391AF-RC
70F471AF-RC
70F501AF-RC
70F Series continued
Test
SRF
DCR
Freq. (MHz)
Ω
I, DC*
(MHz) Min.
Max. (mA)
Dim.
A
Max
Dim.
B
±0.03
Core
Material
L (µH)
±5 %
Q
Min.
390
470
500
560
680
750
820
910
1000
1200
1500
1800
2200
2500
2700
3300
3900
4700
5600
6800
7500
8200
9100
10,000
12,000
15,000
18,000
22,000
25,000
27,000
33,000
39,000
47,000
50,000
56,000
68,000
75,000
82,000
91,000
100,000
L tested
@ 1 KHz
120,000
150,000
180,000
220,000
250,000
270,000
330,000
390,000
470,000
500,000
45
35
49
41
37
40
33
32
30
34
40
40
40
48
50
52
53
49
53
51
49
48
52
41
46
50
49
50
59
61
61
59
57
57
57
57
53
50
51
48
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
2.0
1.8
1.8
1.7
1.6
1.6
1.6
1.4
1.4
1.2
1.1
0.96
0.96
0.96
0.88
0.80
0.76
0.68
0.68
0.64
0.60
0.60
0.56
0.52
0.36
0.32
0.29
0.27
0.25
0.244
0.232
0.22
0.206
0.196
0.188
0.18
0.174
0.168
0.166
0.157
15.8
16.3
18.0
19.2
19.8
22.9
22.9
24.0
24.0
33.6
37.2
42.0
45.6
45.6
45.6
51.6
57.6
64.8
69.6
78
85.2
92.4
98.4
101
100
113
128
144
115
120
134
147
168
175
189
215
222
238
250
278
97
95
91
88
87
80
80
79
79
66
63
59
57
57
57
53
51
48
46
43
41
40
39
38
50
47
44
41
46
45
43
41
38
37
36
34
33
32
31
29
0.18
0.18
0.19
0.19
0.2
0.21
0.21
0.22
0.22
0.22
0.22
0.23
0.24
0.26
0.26
0.26
0.27
0.28
0.3
0.31
0.31
0.33
0.33
0.33
0.3
0.3
0.32
0.33
0.34
0.35
0.35
0.37
0.38
0.4
0.4
0.41
0.43
0.43
0.43
0.44
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.38
0.38
0.38
0.38
0.38
0.38
0.38
0.38
0.38
0.38
0.38
0.50
0.50
0.50
0.50
0.63
0.63
0.63
0.63
0.63
0.63
0.63
0.63
0.63
0.63
0.63
0.63
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
46
49
51
51
52
53
54
54
55
53
0.025
0.025
0.025
0.025
0.025
0.025
0.025
0.025
0.025
0.025
0.084
0.077
0.075
0.07
0.065
0.062
0.06
0.056
0.054
0.052
288
328
374
424
468
490
540
617
704
736
48
44
41
39
37
36
34
33
30
30
0.48
0.50
0.52
0.54
0.55
0.57
0.58
0.6
0.61
0.63
0.88
0.88
0.88
0.88
0.88
0.88
0.88
0.88
0.88
0.88
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ro VE LEA
HS RS D
CO ION FRE
M SA E
PL R
IA E
NT
*
LE
AD
Special Features
FR
EE
Shaded models are currently available,
but not recommended for new
designs.
“-RC” suffix indicates RoHS compliance.
20.4
Tel. (877) 426-8767 • Fax (951) 781-5006
www.bourns.com
REV. 05/16
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