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| 型号： | SCR74B-820 |
| 厂商： | Signal Transformer |
| 文件页数： | 1/1页 |
| 文件大小： | 0K |
| 描述： | INDUCTOR SMD 82UH 0.62A 2.52KHZ |
| 特色产品： | SC Series SMD Power Inductors |
| 标准包装： | 1,000 |
| 系列： | SCR74B |
| 电感： | 82µH |
| 电流： | 620mA |
| 电流 - 饱和： | 620mA |
| 电流 - 温升： | 1.2A |
| 容差： | ±20% |
| 屏蔽： | 屏蔽 |
| DC 电阻(DCR)： | 最大 430 毫欧 |
| 封装/外壳： | 0.327" L x 0.295" W x 0.197" H（8.30mm x 7.50mm x 5.00mm） |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
| 频率 - 测试： | 2.52kHz |
SCR74B
SMD POWER INDUCTORS
XXX
MARKING
● Features
1. Magnetically shielded construction
2 Excellent Power Density
3 Engineered to Provide High Efficiency
ELECTRICAL CHARACTERISTICS
Part Number
Inductance
(uH)
(1)
Test
Frequency
DC Resistance
( Ω MAX)
(2)
(4)
Saturation (3) Temperature
Current Current
(A) (A)
1000
I
BCR SCR74B Inductance decrease by current ent
SCR74B-100
SCR74B-120
10
12
2.52KHZ
2.52KHZ
0.07
0.07
1.65
1.57
3.30
3.00
100
271
470
SCR74B-150
SCR74B-180
SCR74B-220
15
18
22
2.52KHZ
2.52KHZ
2.52KHZ
0.08
0.10
0.13
1.39
1.29
1.12
2.70
2.43
2.18
10
1
100
SCR74B-270
SCR74B-330
27
33
2.52KHZ
2.52KHZ
0.16
0.18
1.06
0.97
1.96
1.74
0. 1
10
100
1000
10000
SCR74B-390
39
2.52KHZ
0.18
0.91
1.64
DC current ent (mA) mA)
BCR74B Temper at ur e r i se by cur r ent
SCR74B-470
SCR74B-560
SCR74B-680
47
56
68
2.52KHZ
2.52KHZ
2.52KHZ
0.27
0.29
0.33
0.80
0.76
0.68
1.55
1.47
1.32
80
70
SCR74B Temperature rise by current
SCR74B-820
SCR74B-101
82
100
2.52KHZ
1KHZ
0.43
0.49
0.62
0.55
1.20
1.14
60
50
271
470
100
SCR74B-121
SCR74B-151
SCR74B-181
SCR74B-221
120
150
180
220
1KHZ
1KHZ
1KHZ
1KHZ
0.68
0.94
1.00
1.18
0.49
0.44
0.40
0.36
1.08
0.97
0.87
0.78
40
30
20
10
SCR74B-271
270
1KHZ
1.30
0.33
0.70
0
500
1000 1500
2000 2500 3000
DC current ent (mA) A)
3500
4000
4500
5000
(1). Inductance tolerance ± 20% tested at 0.25V, 0ADC and 25 ℃
(2). DCR measured at 25 ℃ .
(3). The DC current at which the inductance decreases by 10% from its initial value.
(4). The DC current that results in a 40 ℃ temperature rise from 25 ℃ ambient.
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Custom versions available upon request.
www.signaltransformer.com
45
? 2011 Signal Transformer –Specification subject to change without notice. 07.11
500 Bayview Avenue, Inwood, NY 11096
Toll Free 866-239-5777 ? Tel 516-239-5777 ? Fax 516-239-7208
Sales@signaltransformer.com ? techhelp@signaltransformer.com
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