70F273AI-RC Bourns Inc., 70F273AI-RC Datasheet
70F273AI-RC
Manufacturer Part Number
70F273AI-RC
Description
CHOKE, 2.7MH, 57MA, 5%, 880KHZ
Manufacturer
Bourns Inc.
Datasheet
1.70F475AI-RC.pdf
(2 pages)
Specifications of 70F273AI-RC
Inductance
2.7mH
Inductance Tolerance
± 5%
Dc Resistance Max
45.6ohm
Dc Current Rating
57mA
Self Resonant Frequency
880kHz
Q Factor
50
Inductor Case Style
Axial Leaded
No. Of Pins
2
Tolerance
5 %
Maximum Dc Current
57 mAmps
Maximum Dc Resistance
45.6 Ohms
Q Minimum
50
Dimensions
0.38 mm L
Shielding
Unshielded
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
† RoHS Directive 2002/95/EC Jan 27 2003
including Annex.
Special Features
• High Q, high self-resonant
• High voltage application on phenolic
• Universal wound
• Low cost
• Varnish coated
• Operating temperature:
Notes
* Current to cause 35 °C max. temperature rise
REV. 06/07
frequency
and ferrite components
phenolic -55 to +125 °C;
iron, ferrite -55 to +105 °C
Dia.
0.025 for 0.1-22,000uh
0.032 for 25,000-500,000uh
Dimensions: Inches
1.25
B
A
Tel. (877) 426-8767 • Fax (951) 781-5006
Varnished Chokes
“-RC” suffi x indicates RoHS compliance.
Part
Number
70F107AP-RC
70F157AP-RC
70F227AP-RC
70F337AP-RC
70F477AP-RC
70F687AP-RC
70F757AP-RC
70F827AP-RC
70F106AI-RC
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
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
www.bourns.com
±20 %
L (µH)
±10 %
±5 %
0.10
0.15
0.22
0.33
0.47
0.68
0.75
0.82
100
120
150
180
200
220
250
270
300
330
350
1.0
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
18
22
25
27
33
39
47
56
68
75
82
91
49
52
48
47
46
48
48
48
41
45
42
31
43
34
40
35
43
41
40
32
37
41
36
52
52
52
51
48
49
50
48
44
45
42
38
41
41
25
40
47
48
47
46
49
46
46
41
46
Q
(MHz)
Freq.
Continued next page.
Test
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
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
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
25
25
25
25
25
25
25
25
25
70F Series
SRF
600
490
400
330
280
240
224
216
118
118
102
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
89
87
74
66
61
53
49
49
44
41
21
19
19
16
15
13
13
12
10
0.125
0.264
0.048
0.072
0.096
0.096
0.156
0.168
0.264
0.457
0.492
0.624
0.624
0.744
Max.
DCR
0.13
0.25
0.38
0.70
0.20
0.29
0.24
1.44
1.56
1.68
1.92
2.28
2.28
2.64
2.64
2.76
3.36
3.36
3.84
4.56
4.92
7.68
8.16
8.16
8.16
10.3
11.5
12.1
13.2
13.2
13.9
14.4
4.2
4.8
Ω
I, DC*
(mA)
3922
2828
2294
1690
1264
1000
2041
1666
1443
1443
1132
1091
870
830
912
870
661
637
566
566
518
288
277
267
250
229
229
213
213
208
188
188
176
169
162
158
156
139
135
135
135
120
114
111
106
106
103
102
Dim.
Max
0.15
0.14
0.14
0.12
0.12
0.12
0.12
0.12
0.16
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
0.16
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
A
±0.03
Dim.
0.31
0.31
0.31
0.31
0.31
0.31
0.31
0.31
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
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
B
Material
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Core
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
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
20.3
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70F273AI-RC Summary of contents
Page 1
... RoHS compliance. Continued next page. Tel. (877) 426-8767 • Fax (951) 781-5006 www.bourns.com SRF DCR Dim. Dim. Ω Core Max. (mA) Max ±0.03 Material 600 0.13 3922 ...
Page 2
... 70F123AI-RC 1200 34 0.25 1.2 70F153AI-RC 1500 40 0.25 1.1 70F183AI-RC 1800 40 0.25 0.96 70F223AI-RC 2200 40 0.25 0.96 70F253AI-RC 2500 48 0.25 0.96 70F273AI-RC 2700 50 0.25 0.88 70F333AI-RC 3300 52 0.25 0.80 70F393AI-RC 3900 53 0.25 0.76 70F473AI-RC 4700 49 0.25 0.68 70F563AI-RC 5600 53 0.25 0.68 70F683AI-RC ...