79F221K-TR-RC Bourns Inc., 79F221K-TR-RC Datasheet - Page 155

• Manufacturer Part Number: 79F221K-TR-RC
• Description: Inductor, Axial, Conformal Coa
• Manufacturer: Bourns Inc.

Specifications of 79F221K-TR-RC

• Inductance: 200µH
• Inductance Tolerance: ± 20%
• Dc Resistance Max: 20ohm
• Self Resonant Frequency: 5MHz
• Dc Current Rating: 35mA
• Q Factor: 40
• Q Test Frequency: 790kHz
• Inductor Case Style: Axial Leaded
• Rohs Compliant: Yes

Special Features
• Ferrite magnetic shielded for low radiation
• High Q, high reliability
• Injection molded to protect coil
• Flame retardant coating
• Consistent body dimension
• Color band or numerical marking identifi cation
• Dielectric strength 1000 Vrms
• Operating temperature -55 to +105 °C
Notes
* Rated current to cause 35 °C
** Incremental current to cause 5 %
from extreme environments
max. temperature rise
max. inductance drop
Bourns recommends using the 9250A Series
as a replacement for the 9250 Series
0.025
Dimensions: Inches
1.0
Min.
-/+0.01
0.162
0.41 -/+0.02
Shielded, Molded Chokes
Tel. [phone] • Fax [phone]
www.bourns.com
Only available as RoHS compliant.
Part
Number
9250-101-RC
9250-121-RC
9250-151-RC
9250-181-RC
9250-221-RC
9250-271-RC
9250-331-RC
9250-391-RC
9250-471-RC
9250-561-RC
9250-681-RC
9250-821-RC
9250-102-RC
9250-122-RC
9250-152-RC
9250-182-RC
9250-222-RC
9250-272-RC
9250-332-RC
9250-392-RC
9250-472-RC
9250-562-RC
9250-682-RC
9250-822-RC
9250-103-RC
9250-123-RC
9250-153-RC
9250-183-RC
9250-223-RC
9250-273-RC
9250-333-RC
9250-393-RC
9250-473-RC
9250-563-RC
9250-683-RC
9250-823-RC
9250-104-RC
9250-124-RC
9250-154-RC
9250-184-RC
9250-224-RC
9250-274-RC
9250-334-RC
9250-394-RC
9250-474-RC
9250-564-RC
9250-684-RC
9250-824-RC
±10 %
L (μH)
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
100
120
150
180
220
270
330
390
470
560
680
820
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
Min.
50
51
51
50
49
47
46
44
44
43
42
40
44
44
44
44
44
44
44
44
44
44
50
50
50
55
45
45
45
45
45
50
50
50
50
50
50
55
55
55
55
55
55
60
60
60
60
60
Q
Continued on next page.
(MHz)
9250 Series
Freq.
Test
0.79
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
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
25
25
25
25
(MHz)
Min.
10.5
10.0
SRF
250
250
250
250
250
250
250
250
235
210
190
180
140
130
115
105
100
9.7
8.5
8.0
7.5
7.0
6.5
6.2
5.7
4.7
4.5
4.2
92
85
75
70
65
55
50
46
44
49
45
41
38
34
29
27
25
21
0.025
0.034
0.037
0.047
0.067
Max.
DCR
0.11
0.13
0.18
0.25
0.33
0.45
0.59
0.07
0.10
0.12
0.14
0.19
0.28
0.35
0.40
0.55
0.72
1.02
1.32
1.62
0.80
0.89
0.96
1.19
1.37
1.93
2.11
2.23
2.70
2.44
3.12
10.5
11.8
13.0
2.0
3.6
4.1
4.4
5.0
5.8
6.4
7.4
9.5
Ω
I, DC*
(mA)
1790
1530
1470
1300
1100
1070
855
780
670
565
490
420
370
895
815
775
650
535
480
450
380
335
280
250
220
200
315
300
290
260
240
205
195
190
170
180
160
150
140
135
125
115
110
105
92
90
80
80
I, Incr.**
(mA)
1790
1530
1470
1300
1100
1070
855
780
670
565
490
420
370
895
815
775
650
535
480
450
380
335
280
250
220
200
250
235
220
200
190
180
175
160
150
140
120
95
90
85
80
70
65
60
58
55
50
45
19.3