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Features
■ Shielded construction
■ Unit height of 5.9 mm
■ Inductance range: 0.22 to 10 μ H
■ Current up to 45 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
? Portable communications equipment
? Camcorders
? LCD TVs
? Car audio systems
SRP1250 Series - Shielded Power Inductors
Electrical Speci?cations
General Speci?cations
Bourns Part No.
SRP1250-R22M
SRP1250-R36M
SRP1250-R47M
SRP1250-R50M
SRP1250-R56M
SRP1250-R68M
SRP1250-R82M
SRP1250-1R0M
SRP1250-1R2M
SRP1250-1R5M
SRP1250-1R8M
SRP1250-2R2M
SRP1250-2R7M
SRP1250-3R3M
SRP1250-4R7M
Inductance
L ( μ H) ±20 %
0.22
0.36
0.47
0.50
0.56
0.68
0.82
1.00
1.20
1.50
1.80
2.20
2.70
3.30
4.70
I rms
(A)
45
41
38
36
36
34
31
29
27
23
21
20
17
15
12
I sat
(A)
80
75
65
55
55
54
53
50
49
48
40
32
32
32
27
DCR
(m Ω ) Max.
1.0
1.1
1.3
1.5
1.5
1.7
2.3
2.5
3.3
4.1
4.7
5.5
7.3
9.2
15.0
Test Voltage ..................................0.25 V
Test Frequency ......................... 100 KHz
Re?ow Soldering .. 230 °C; 50 sec. max.
Operating Temperature
................................-55 °C to +150 °C
(Temperature rise included)
Storage Temperature
................................-55 °C to +150 °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 ....... 500 pcs. per 13-inch reel
Product Dimensions
SRP1250-6R0M
SRP1250-6R8M
SRP1250-7R8M
SRP1250-9R0M
SRP1250-100M
6.00
6.80
7.80
9.00
10.0
9.5
11
10
10
9
14
21
18
18
16
10.0
18.5
20.5
22.5
25.5
13.5
13.9
MAX.
(0.547)
12.7 ± 0.3
(0.500 ± 0.012)
5.2
(.205)
MAX.
5.0
(.197)
MAX.
(0.531)
Soldering Pro?le
275
MAX.
1R5
225
<1> Maximum of 10 seconds
between +255 °C and +260 °C
<1> 255 °C
260 °C peak
12.7 ± 0.3
(0.500 ± 0.012)
220 °C
175
190°C
60 seconds
maximum
Ramp Down
5 °C/second
150 °C
125
75
120-150 seconds
Ramp Up
10 seconds minimum
3.0 ± 0.5
(0.118 ± 0.020)
25
4 °C/second maximum
2.5 ± 0.5
(0.098 ± 0.020)
0
50
100
150
200
250
300
Time (Seconds)
Recommended Layout
Electrical Schematic
15.0
(0.591)
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.
7.0
(.276)
MM
(INCHES)
4.5
(.177)
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相关代理商/技术参数
SRP1250-7R8M 制造商:Bourns Inc 功能描述:POWER INDUCTOR, 7.8UH, 32A
SRP1250-9R0M 功能描述:固定电感器 9uH 20% 100KHz Iron RoHS:否 制造商:AVX 电感:10 uH 容差:20 % 最大直流电流:1 A 最大直流电阻:0.075 Ohms 工作温度范围:- 40 C to + 85 C 自谐振频率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接类型:SMD/SMT 封装 / 箱体:6.6 mm x 4.45 mm
SRP1250-R22M 功能描述:固定电感器 0.22uH RoHS:否 制造商:AVX 电感:10 uH 容差:20 % 最大直流电流:1 A 最大直流电阻:0.075 Ohms 工作温度范围:- 40 C to + 85 C 自谐振频率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接类型:SMD/SMT 封装 / 箱体:6.6 mm x 4.45 mm
SRP1250-R36M 功能描述:固定电感器 .36uH 75amp RoHS:否 制造商:AVX 电感:10 uH 容差:20 % 最大直流电流:1 A 最大直流电阻:0.075 Ohms 工作温度范围:- 40 C to + 85 C 自谐振频率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接类型:SMD/SMT 封装 / 箱体:6.6 mm x 4.45 mm
SRP1250-R36M 制造商:Bourns Inc 功能描述:POWER INDUCTOR 360NH 75A
SRP1250-R47M 功能描述:固定电感器 .47uH 65amp RoHS:否 制造商:AVX 电感:10 uH 容差:20 % 最大直流电流:1 A 最大直流电阻:0.075 Ohms 工作温度范围:- 40 C to + 85 C 自谐振频率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接类型:SMD/SMT 封装 / 箱体:6.6 mm x 4.45 mm
SRP1250-R47M 制造商:Bourns Inc 功能描述:POWER INDUCTOR 470NH 65A
SRP1250-R50M 功能描述:固定电感器 .50uH 55amp RoHS:否 制造商:AVX 电感:10 uH 容差:20 % 最大直流电流:1 A 最大直流电阻:0.075 Ohms 工作温度范围:- 40 C to + 85 C 自谐振频率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接类型:SMD/SMT 封装 / 箱体:6.6 mm x 4.45 mm