77F-820J-TR-RC [BOURNS]
1 ELEMENT, 82uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, AXIAL LEADED, ROHS COMPLIANT;
| 型号： | 77F-820J-TR-RC |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | 1 ELEMENT, 82uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, AXIAL LEADED, ROHS COMPLIANT 测试 射频感应器 电感器 |
| 文件： | 总2页 (文件大小：249K) |
| 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
Inductance
Test
Frequency
(MHz)
25.2
SRF
(MHz)
Min.
157
144
131
121
110
100
94
86
80
74
68
53
45
34
20
DCR
(Ω)
Q
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
Idc
(mA)
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
(µH)
Tol. (%)
Bourns Part No.
77F-1R0K-RC
77F-1R2K-RC
77F-1R5K-RC
77F-1R8K-RC
77F-2R2K-RC
77F-2R7K-RC
77F-3R3K-RC
77F-3R9K-RC
77F-4R7K-RC
77F-5R6K-RC
77F-5R8K-RC
77F-8R2K-RC
77F-100K-RC
77F-120K-RC
77F-150K-RC
77F-180K-RC
77F-220K-RC
77F-270K-RC
77F-330J-RC
77F-390J-RC
77F-470J-RC
77F-560J-RC
77F-680J-RC
77F-820J-RC
77F-101J-RC
77F-121J-RC
77F-151J-RC
77F-181J-RC
77F-221J-RC
77F-271J-RC
77F-331J-RC
77F-391J-RC
77F-471J-RC
77F-561J-RC
77F-681J-RC
77F-821J-RC
77F-102J-RC
Max.
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
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
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
5
Materials
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
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
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
14
RC = RoHS compliant*
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
Example:
77F-102J-TR-RC = 1000 µH packaged 5000 pcs./
14-inch reel.
39
5
47
5
56
5
Electrical Schematic
68
5
82
5
100
120
150
180
220
270
330
390
470
560
680
820
1000
5
5
5
5
5
5
5
5
5
5
5
5
4.0
4.5
5.0
6.0
6.5
7.5
8.5
9.5
12.0
14.0
20.0
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
Product Dimensions
Typical Part Marking - EIA Color Code
1st & 2nd
25.4
(1.0)
MIN.
10.41
(0.41)
MAX.
Color
Significant Figure
Multiplier
Tolerance
10 ꢀ
5 ꢀ
Silver
Gold
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
0.01
0.1
1
10
100
1000
0
1
2
3
4
5
6
7
8
9
0.64
(0.025)
3.99
(0.157)
MAX.
MM
(INCHES)
DIMENSIONS:
White
Example for L value less than 10 µH
6.8 µH, 10 ꢀ
1st significant figure (Blue)
2nd significant figure (Gray)
Multiplier (Gold)
Tolerance (Silver)
Example for L value 10 µH and higher
270 µH, 5 ꢀ
1st significant figure (Red)
2nd significant figure (Purple)
Multiplier (Brown)
Tolerance (Gold)
REV. 10/08
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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