70F252AF-RC Bourns Inc., 70F252AF-RC Datasheet - Page 2

• Manufacturer Part Number: 70F252AF-RC
• Description: CHOKE, 25MH, 46MA, 5%, 250KHZ
• Manufacturer: Bourns Inc.

Specifications of 70F252AF-RC

• Inductance: 25mH
• Inductance Tolerance: ± 5%
• Dc Resistance Max: 115ohm
• Dc Current Rating: 46mA
• Self Resonant Frequency: 250kHz
• Q Factor: 59
• Inductor Case Style: Axial Leaded
• No. Of Pins: 2
• Tolerance: 5 %
• Maximum Dc Current: 46 mAmps
• Maximum Dc Resistance: 115 Ohms
• Q Minimum: 59
• Dimensions: 0.63 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
20.4
rise
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. [phone] • Fax [phone]
“-RC” suffi x indicates RoHS compliance.
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
Varnished Chokes
www.bourns.com
100,000
@ 1 KHz
120,000
150,000
180,000
220,000
250,000
270,000
330,000
390,000
470,000
500,000
L tested
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
L (µH)
±5 %
1000
1200
1500
1800
2200
2500
2700
3300
3900
4700
5600
6800
7500
8200
9100
390
470
500
560
680
750
820
910
Min.
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
46
49
51
51
52
53
54
54
55
53
Q
(MHz)
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
0.025
0.025
0.025
0.025
0.025
0.025
0.025
0.025
0.025
0.025
Freq.
70F Series continued
Test
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
(MHz)
0.244
0.232
0.206
0.196
0.188
0.174
0.168
0.166
0.157
0.084
0.077
0.075
0.065
0.062
0.056
0.054
0.052
Min.
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
0.22
0.18
0.07
0.06
SRF
2.0
1.8
1.8
1.7
1.6
1.6
1.6
1.4
1.4
1.2
1.1
Max.
DCR
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
85.2
92.4
98.4
101
100
113
128
144
115
120
134
147
168
175
189
215
222
238
250
278
288
328
374
424
468
490
540
617
704
736
78
Ω
I, DC*
(mA)
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
48
44
41
39
37
36
34
33
30
30
Dim.
Max
0.18
0.18
0.19
0.19
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
0.31
0.31
0.33
0.33
0.33
0.32
0.33
0.34
0.35
0.35
0.37
0.38
0.41
0.43
0.43
0.43
0.44
0.48
0.50
0.52
0.54
0.55
0.57
0.58
0.61
0.63
0.2
0.3
0.3
0.3
0.4
0.4
0.6
A
±0.03
Dim.
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
0.88
0.88
0.88
0.88
0.88
0.88
0.88
0.88
0.88
0.88
B
Material
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
REV. 06/07
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