參數(shù)資料
型號(hào)： 77F8R2K-TR-RC
廠商： BOURNS INC
元件分類： 通用定值電感
英文描述： 1 ELEMENT, 8.2 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR
封裝： ROHS COMPLIANT
文件頁(yè)數(shù)： 1/2頁(yè)
文件大小： 140K
代理商： 77F8R2K-TR-RC
Features
■ Formerly
model
■ Current rating up to 920 mA
■ Inductance range: 1.0
μH to 1,000 μH
■ RoHS compliant*
Applications
■ DC/DC converters
■ Power supplies
■ General use
77F Series Conformal Coated RF Choke
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specications are subject to change without notice.
Customers should verify actual device performance in their specic applications.
*RoHS
COMPLIANT
Electrical Specications (@ 25 °C)
J.W.Miller
Bourns Part
No.
Inductance
Q
Min.
Test
Frequency
(MHz)
SRF
(MHz)
Min.
DCR
(
Ω)
Max.
Idc
(mA)
(
μH)
Tol. (%)
77F1R0K-RC
1.0
±10
45
25.2
157
0.17
920
77F1R2K-RC
1.2
±10
50
7.96
144
0.18
880
77F1R5K-RC
1.5
±10
50
7.96
131
0.20
830
77F1R8K-RC
1.8
±10
55
7.96
121
0.22
790
77F2R2K-RC
2.2
±10
55
7.96
110
0.24
750
77F2R7K-RC
2.7
±10
60
7.96
100
0.25
720
77F3R3K-RC
3.3
±10
65
7.96
94
0.30
670
77F3R9K-RC
3.9
±10
65
7.96
86
0.35
640
77F4R7K-RC
4.7
±10
70
7.96
80
0.40
620
77F5R6K-RC
5.6
±10
70
7.96
74
0.45
590
77F5R8K-RC
6.8
±10
75
7.96
68
0.50
550
77F8R2K-RC
8.2
±10
80
7.96
53
0.52
530
77F100K-RC
10
±10
85
7.96
45
0.65
500
77F120K-RC
12
±10
75
2.52
34
0.70
480
77F150K-RC
15
±10
70
2.52
20
0.75
460
77F180K-RC
18
±10
65
2.52
14
0.80
430
77F220K-RC
22
±10
60
2.52
9.9
0.90
410
77F270K-RC
27
±10
55
2.52
7.6
1.00
390
77F330J-RC
33
±5
55
2.52
6.3
1.10
370
77F390J-RC
39
±5
50
2.52
6.3
1.20
350
77F470J-RC
47
±5
45
2.52
6.3
1.30
340
77F560J-RC
56
±5
40
2.52
6.2
1.50
320
77F680J-RC
68
±5
40
2.52
5.7
1.80
305
77F820J-RC
82
±5
35
2.52
5.3
2.00
290
77F101J-RC
100
±5
30
0.796
4.8
2.50
275
77F121J-RC
120
±5
70
0.796
3.8
3.0
185
77F151J-RC
150
±5
70
0.796
3.5
4.0
175
77F181J-RC
180
±5
70
0.796
3.3
4.5
165
77F221J-RC
220
±5
70
0.796
3.0
5.0
155
77F271J-RC
270
±5
65
0.796
2.8
6.0
145
77F331J-RC
330
±5
65
0.796
2.6
6.5
137
77F391J-RC
390
±5
65
0.796
2.4
7.5
133
77F471J-RC
470
±5
60
0.796
2.25
8.5
126
77F561J-RC
560
±5
60
0.796
2.10
9.5
120
77F681J-RC
680
±5
55
0.796
1.95
12.0
113
77F821J-RC
820
±5
55
0.796
1.85
14.0
105
77F102J-RC
1000
±5
50
0.796
1.40
20.0
100
General Specications
Temperature Rise ................ 35 °C at Idc
Operating Temperature
............................... -55 °C to +105 °C
Storage Temperature
............................... -55 °C to +105 °C
Dielectric Strength................... 500 Vrms
Materials
Core.............................................. Ferrite
Wire ............................. Polyester copper
Terminal Coating.............Sn-Ag-Cu alloy
Coating .................................Epoxy resin
Packaging..... 5000 pcs. per 14-inch reel
How to Order
77F 151J - TR - RC
Model
Value Code
(See table)
Packaging Code
TR = 5000 pcs./14-inch reel
Compliance Code
RC = RoHS compliant*
Example:
77F102J-TR-RC = 1000
μH packaged
5000 pcs./14-inch reel.
Electrical Schematic
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