参数资料
型号: SRP4020-3R3M
厂商: Bourns Inc.
文件页数: 1/4页
文件大小: 0K
描述: INDUCTOR 3.3UH 3.3A SMD
标准包装: 2,000
系列: SRP4020
电感: 3.3µH
电流: 3.3A
电流 - 饱和: 4.3A
类型: 铁芯体
容差: ±20%
屏蔽: 屏蔽
DC 电阻(DCR): 最大 48 毫欧
材料 - 芯体:
封装/外壳: 0.189" L x 0.157" W x 0.079" H(4.80mm x 4.00mm x 2.00mm)
安装类型: 表面贴装
包装: 带卷 (TR)
工作温度: -55°C ~ 125°C
频率 - 测试: 100kHz
Features
■ Shielded construction
■ Flat wire
■ Unit height of 2 mm
■ Inductance range: 0.22 to 5.6 μ H
■ Rated current up to 10 A
■ RoHS compliant*
Applications
■ DC/DC converters
■ Power supplies for:
? Portable communications equipment
? Laptop computers
? Camcorders, HDTV, car audio
systems
? Video game consoles
SRP4020 Series - Shielded Power Inductors
Electrical Speci?cations
General Speci?cations
Bourns Part No.
SRP4020-R22M
SRP4020-R36M
SRP4020-R47M
SRP4020-R56M
SRP4020-R68M
SRP4020-R88M
SRP4020-1R0M
SRP4020-1R2M
SRP4020-1R5M
SRP4020-2R2M
SRP4020-3R3M
SRP4020-4R7M
SRP4020-5R6M
Inductance
L ( μ H) ±20 %
0.22
0.36
0.47
0.56
0.68
0.88
1.0
1.2
1.5
2.2
3.3
4.7
5.6
I rms
(A)
11.5
9
7
7
6.3
6
5
5
5.1
3.9
3.3
2.7
2.4
I sat
(A)
11.5
11
10
8
7
6.5
6
5
5
5
4.3
4
3.5
DCR
(m Ω ) Max.
7
12
12
14.7
17
18
21.6
22
29
40
48
75
90
Test Voltage ..................................0.25 V
Test Frequency ......................... 100 KHz
Re?ow Soldering .. 230 °C; 50 sec. max.
Operating Temperature
................................-55 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-55 °C to +125 °C
Resistance to Soldering Heat
............................. +260 °C for 10 sec.
Materials
Core ..................................................Iron
Wire ............................Enameled copper
Terminal ........................................Cu/Sn
Rated Current .....Ind. drops 20 % at Isat
Temperature Rise .....40 °C at rated Irms
Packaging ..... 2000 pcs. per 13-inch reel
Soldering Pro?le
Product Dimensions
275
225
<1> Maximum of 10 seconds
between +255 °C and +260 °C
<1> 255 °C
260 °C peak
4.8
(.189)
MAX.
220 °C
175
150 °C
190°C
60 seconds
maximum
Ramp Down
5 °C/second
4.0 ± 0.2
(.157 ± .008)
125
120-150 seconds
10 seconds minimum
75
25
Ramp Up
4 °C/second maximum
4.0 ± 0.2
(.157 ± .008)
0
50
100
150
200
250
300
Time (Seconds)
0.0 - 0.3
(0.0 - .012)
Electrical Schematic
Recommended Layout
2.2
(.087)
1.5
(.059)
2.0
(.079)
MAX.
6.0
(.236)
0.6 ± 0.3
(.024 ± .012)
0.8 ± 0.3
(.031 ± .012)
DIMENSIONS:
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
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.
MM
(INCHES)
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