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参数资料
| 型号： | SRN8040-8R2Y |
| 厂商： | Bourns Inc. |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | INDUCTOR POWER SHIELD 8.2UH SMD |
| 产品培训模块： | SRN Series: Semi-Shielded Inductors |
| 产品变化通告： | SRN8040 Series Wire Gauge/Strand Change 18/May/2012 |
| 标准包装： | 1 |
| 系列： | SRN8040 |
| 电感： | 8.2µH |
| 电流： | 3.7A |
| 电流 - 饱和： | 4A |
| 类型： | 铁氧体芯体 |
| 容差： | ±30% |
| 屏蔽： | 屏蔽 |
| DC 电阻(DCR)： | 最大 45 毫欧 |
| 材料 - 芯体： | 铁氧体 |
| 封装/外壳： | 0.315" L x 0.315" W x 0.157" H（8.00mm x 8.00mm x 4.00mm） |
| 安装类型： | 表面贴装 |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 105°C |
| 频率 - 测试： | 100kHz |
| 其它名称： | SRN8040-8R2YDKR |
Features
■ Semi-shielded construction
■ High rated current
■ Component height: 4 mm
■ Inductance range: 0.5 to 100 μH
■ Rated current up to 10 A
■ RoHS compliant* and halogen free**
Applications
■ DC/DC converters
■ Notebook computers
■ Digital video cameras
■ HDDs
■ Cell phones
■ Televisions, LCD displays
SRN8040 Series - Semi-shielded Power Inductors
Electrical Speci?cations @ 25 °C
General Speci?cations
Bourns Part No.
SRN8040-R50Y
Inductance
@ 100 KHz/1 V
L ( μ H) Tol. %
0.5 30
DCR
( Ω )
Max.
0.007
Irms
(A)
10
Isat
(A)
12
Operating Temperature
................................. -40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Resistance to Solder Heat
SRN8040-1R0Y
SRN8040-1R5Y
SRN8040-2R2Y
SRN8040-3R3Y
SRN8040-3R6Y
SRN8040-4R7Y
SRN8040-6R8Y
SRN8040-8R2Y
SRN8040-100M
SRN8040-150M
SRN8040-220M
SRN8040-330M
SRN8040-470M
SRN8040-680M
SRN8040-101M
1.0
1.5
2.2
3.3
3.6
4.7
6.8
8.2
10
15
22
33
47
68
100
30
30
30
30
30
30
30
30
20
20
20
20
20
20
20
0.01
0.011
0.013
0.021
0.022
0.024
0.033
0.045
0.05
0.07
0.1
0.145
0.19
0.275
0.4
7.8
7
6.3
5.6
4.9
4.1
3.9
3.7
3.1
2.4
2.2
1.7
1.4
1.1
1
11
8.2
7.4
5.5
5.3
4.7
4.2
4
3.4
2.7
2.2
1.9
1.5
1.2
1
...............................+250 °C for 10 sec.
Temperature Rise .....40 °C at rated Irms
Rated Current
............ Inductance drops 30 % at Isat
Materials
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ........................Sn/Ag/Cu
Coating .................Magnetic epoxy resin
Packaging ..... 1200 pcs. per 13-inch reel
How to Order
SRN8040 - 100M
Model
Value Code (see table)
Soldering Pro?le
Temperature
Product Dimensions
Rising Area
±3.0 °C/sec. max.
Preheat Area
150 ~ 200 °C / 60 - 180 sec.
Reflow Area
+1.5 ~ 3.0 °C
Forced Cooling Area
6.0 °C / sec max.
8.0 ± 0.3
(.315 ± .012)
PeakTemperature:
250
250 °C +5/-10 °C, 5 sec. max.
200
150
40~90 sec.max.
217 °C
8.0 ± 0.3
(.315 ± .012)
100
50
0
50
100
150
200
250
Time (Seconds)
Peak Temperature: 255 ° max.
Electrical Schematic
Maximum Time Above 217 °C: 90 seconds
Recommended Layout
REF.
3.2
(.126)
4.0
(.157)
MAX.
REF.
3.5
(.138)
8.0
(.315)
REF.
REF.
2.2
(.087)
REF.
2.2
(.087)
DIMENSIONS:
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
**Bourns follows the prevailing de?nition of “halogen free” in the industry. Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less;
(b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.Speci?cations are subject to change without notice.
Speci?cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their speci?c applications.
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