77F5R8K-RC [BOURNS]
General Purpose Inductor, 6.8uH, 10%, 1 Element, Ferrite-Core, ROHS COMPLIANT;
| 型号： | 77F5R8K-RC |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | General Purpose Inductor, 6.8uH, 10%, 1 Element, Ferrite-Core, ROHS COMPLIANT DC-DC转换器 测试 电感器 |
| 文件： | 总2页 (文件大小：137K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
Applications
■ DC/DC converters
■ Power supplies
■ General use
■ Formerly J.W.Miller model
■ Current rating up to 920 mA
■ Inductance range: 1.0 μH to 1,000 μH
■ RoHS compliant*
77F Series Conformal Coated RF Choke
General Specifications
Electrical Specifications (@ 25 °C)
Temperature Rise ................ 35 °C at Idc
Operating Temperature
............................... -55 °C to +105 °C
Storage Temperature
............................... -55 °C to +105 °C
Dielectric Strength................... 500 Vrms
Test
Frequency
(MHz)
SRF
(MHz)
Min.
DCR
(Ω)
Inductance
Bourns Part
Q
Idc
No.
(μH)
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
Tol. (%)
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
5
Min.
45
50
50
55
55
60
65
65
70
70
75
80
85
75
70
65
60
55
55
50
45
40
40
35
30
70
70
70
70
65
65
65
60
60
55
55
50
Max.
(mA)
77F1R0K-RC
77F1R2K-RC
77F1R5K-RC
77F1R8K-RC
77F2R2K-RC
77F2R7K-RC
77F3R3K-RC
77F3R9K-RC
77F4R7K-RC
77F5R6K-RC
77F5R8K-RC
77F8R2K-RC
77F100K-RC
77F120K-RC
77F150K-RC
77F180K-RC
77F220K-RC
77F270K-RC
77F330J-RC
77F390J-RC
77F470J-RC
77F560J-RC
77F680J-RC
77F820J-RC
77F101J-RC
77F121J-RC
77F151J-RC
77F181J-RC
77F221J-RC
77F271J-RC
77F331J-RC
77F391J-RC
77F471J-RC
77F561J-RC
77F681J-RC
77F821J-RC
77F102J-RC
25.2
7.96
157
144
131
121
110
100
94
0.17
0.18
0.20
0.22
0.24
0.25
0.30
0.35
0.40
0.45
0.50
0.52
0.65
0.70
0.75
0.80
0.90
1.00
1.10
1.20
1.30
1.50
1.80
2.00
2.50
3.0
920
880
830
790
750
720
670
640
620
590
550
530
500
480
460
430
410
390
370
350
340
320
305
290
275
185
175
165
155
145
137
133
126
120
113
105
100
7.96
Materials
7.96
Core..............................................Ferrite
Wire .............................Polyester copper
Terminal Coating.............Sn-Ag-Cu alloy
Coating.................................Epoxy resin
Packaging..... 5000 pcs. per 14-inch reel
7.96
7.96
7.96
7.96
86
7.96
80
How to Order
77F 151J - TR - RC
Model
Value Code
(See table)
7.96
74
7.96
68
7.96
53
7.96
45
12
2.52
34
Packaging Code
TR = 5000 pcs./14-inch reel
15
2.52
20
Compliance Code
18
2.52
14
RC = RoHS compliant*
Example:
22
2.52
9.9
7.6
6.3
6.3
6.3
6.2
5.7
5.3
4.8
3.8
3.5
3.3
3.0
2.8
2.6
2.4
2.25
2.10
1.95
1.85
1.40
77F102J-TR-RC = 1000 μH packaged
5000 pcs./14-inch reel.
27
2.52
33
2.52
Electrical Schematic
39
5
2.52
47
5
2.52
56
5
2.52
68
5
2.52
82
5
2.52
100
120
150
180
220
270
330
390
470
560
680
820
1000
5
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
5
5
4.0
5
4.5
5
5.0
5
6.0
5
6.5
5
7.5
5
8.5
5
9.5
5
12.0
14.0
20.0
5
5
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
77F Series Conformal Coated RF Choke
Typical Part Marking - EIA Color Code
Product Dimensions
1st & 2nd
Significant
Figure
25.4
(1.0)
MIN.
10.41
(0.41)
MAX.
Color
Silver
Gold
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
Multiplier Tolerance
0.01
0.1
1
±10 ꢀ
±± ꢀ
0.64
(0.025)
3.99
(0.157)
MAX.
0
1
2
3
4
±
6
7
8
9
10
100
1000
MM
(INCHES)
DIMENSIONS:
White
Example for 6.8 µH, ±10 ꢀ
1st significant figure (Blue)
2nd significant figure (Gray)
Multiplier (Gold)
Tolerance (Silver)
Example for 270 µH, ±± ꢀ
1st significant figure (Red)
2nd significant figure (Purple)
Multiplier (Brown)
Tolerance (Gold)
REV. 10/09
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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