77F221J-RC [BOURNS]
Conformal Coated RF Choke; 保形涂层RF扼流圈
| 型号： | 77F221J-RC |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Conformal Coated RF Choke |
| 文件： | 总2页 (文件大小：172K) |
| 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
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
Test
Frequency
(MHz)
SRF
(MHz)
Min.
DCR
(Ω)
Inductance
Bourns Part
Operating Temperature
Q
Idc
............................... -55 °C to +105 °C
Storage Temperature
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
12
15
18
22
27
33
39
47
Tol. (%)
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
5
Min.
50
50
50
50
50
60
60
60
70
70
75
80
85
75
70
60
60
50
50
50
45
45
40
35
30
60
60
60
60
60
60
55
50
50
45
45
50
Max.
(mA)
77F1R0K-RC
77F1R2K-RC
77F1R5K-RC
77F1R8K-RC
77F2R2K-RC
77F2R7K-RC
77F3R3K-RC
77F3R9K-RC
77F4R7K-RC
77F5R6K-RC
77F6R8K-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
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
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
157
144
131
121
110
100
94
86
80
74
68
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
............................... -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
53
40
34
20
(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.
14
9.9
7.6
6.5
6.5
6.3
6.2
5.7
5.3
4.8
3.8
3.5
3.0
2.8
2.6
2.4
2.0
1.8
1.6
1.6
1.4
1.2
Electrical Schematic
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
4.0
4.5
5.0
6.0
6.5
7.5
8.5
9.5
12.0
14.0
20.0
5
5
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
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
ꢀ.ꢀ1
ꢀ.1
1
±1ꢀ ꢁ
±± ꢁ
0.64
(0.025)
3.99
(0.157)
MAX.
ꢀ
1
2
3
4
±
6
7
8
9
1ꢀ
1ꢀꢀ
1ꢀꢀꢀ
MM
(INCHES)
DIMENSIONS:
White
Example for 6.8 µH, ±1ꢀ ꢁ
1st significant figure (Blue)
2nd significant figure (Gray)
Multiplier (Gold)
Tolerance (Silver)
Example for 27ꢀ µH, ±± ꢁ
1st significant figure (Red)
2nd significant figure (Purple)
Multiplier (Brown)
Tolerance (Gold)
REV. 10/12
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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