参数资料
型号: SRR1280-390M
厂商: Bourns Inc.
文件页数: 1/2页
文件大小: 0K
描述: INDUCTOR POWER 39UH 3.2A SMD
产品培训模块: Magnetic Product Overview
产品变化通告: Epoxy Application Change 17/Aug/2011
标准包装: 1
系列: SRR1280
电感: 39µH
电流: 3.2A
电流 - 饱和: 3.1A
类型: 铁氧体芯体
容差: ±20%
屏蔽: 屏蔽
DC 电阻(DCR): 最大 70 毫欧
Q因子@频率: 24 @ 2.52MHz
频率 - 自谐振: 8.5MHz
材料 - 芯体: 铁氧体
封装/外壳: 0.492" L x 0.492" W x 0.295" H(12.50mm x 12.50mm x 7.50mm)
安装类型: 表面贴装
包装: 剪切带 (CT)
工作温度: -40°C ~ 125°C
频率 - 测试: 100kHz
其它名称: SRR1280-390MCT
Features
■ Available in E12 values
■ Inductance as low as 1.1 μH
■ Current rating to 10.2 amps
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
? Portable communication equipment
? Camcorders
? LCD TVs
? Car radios
SRR1280 Series - Shielded SMD Power Inductors
Electrical Specifications
General Specifications
Bourns Part No.
SRR1280-1R1Y
SRR1280-1R2Y
SRR1280-1R4Y
SRR1280-2R4Y
Inductance 100 kHz
(μH) Tol. %
1.1 ± 30
1.2 ± 30
1.4 ± 30
2.4 ± 30
Q
Typ.
26
28
24
20
Test
Frequency
(MHz)
7.96
7.96
7.96
7.96
SRF
Typ.
(MHz)
85
83
80
45
RDC
Max.
(m ? )
6.5
18.0
9.8
10.0
I rms
Max.
(A)
10.20
6.60
9.80
9.20
I sat
Typ.
(A)
14.00
7.80
12.00
10.50
Test Voltage.....................................0.1 V
Reflow Soldering ...230 °C, 50 sec. max.
Operating Temperature ..-40 °C to +125 °C
(Temperature rise included)
Storage Temperature..-40 °C to +125 °C
Resistance to Soldering Heat
................................260 °C for 10 sec.
SRR1280-3R3Y
SRR1280-3R5Y
SRR1280-4R5Y
SRR1280-4R7Y
SRR1280-5R6Y
SRR1280-6R1Y
SRR1280-6R8Y
SRR1280-7R5Y
SRR1280-7R6Y
SRR1280-8R2Y
SRR1280-100M
SRR1280-120M
SRR1280-150M
SRR1280-180M
SRR1280-220M
SRR1280-270M
3.3
3.5
4.5
4.7
5.6
6.1
6.8
7.5
7.6
8.2
10.0
12.0
15.0
18.0
22.0
27.0
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
30
30
30
30
30
30
30
30
30
30
20
20
20
20
20
20
20
20
20
22
20
20
20
16
15
22
24
26
26
24
20
26
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
40
36
34
30
24
23
22
21
21
20
17
15
13
12
11
10
12.0
12.0
13.5
15.5
16.0
18.0
18.5
17.5
20.0
20.5
19.5
28.0
28.5
35.0
38.6
52.0
8.80
8.80
8.50
8.20
8.00
6.60
7.60
6.40
5.90
6.20
6.00
5.60
5.20
4.80
4.30
3.90
9.80
9.80
9.00
8.80
8.50
7.80
8.00
7.00
6.50
6.80
6.30
6.60
5.00
4.60
4.10
3.70
Materials
Core ............................Ferrite DR and RI
Wire .............Enameled copper wire 130
Terminal.....................................Cu/Ni/Sn
Rated Current
....................Ind. drop 25 % typ. at Isat
Temperature Rise ..................40 °C max.
at rated Irms
Packaging ....................400 pcs. per reel
Product Dimensions
12.5 ± 0.3
(.492 ± .012)
SRR1280-330M
SRR1280-390M
SRR1280-470M
SRR1280-560M
SRR1280-680M
SRR1280-820M
33.0
39.0
47.0
56.0
68.0
82.0
±
±
±
±
±
±
20
20
20
20
20
20
28
24
24
24
20
20
2.52
2.52
2.52
2.52
2.52
0.796
9.5
8.5
7.5
7.0
6.5
5.0
57.0
70.0
80.0
100.0
120.0
130.0
3.50
3.20
2.90
2.60
2.40
2.30
3.30
3.10
2.80
2.50
2.30
2.20
100
12.5 ± 0.3
(.492 ± .012)
SRR1280-101M
SRR1280-121K
SRR1280-151K
SRR1280-181K
SRR1280-221K
SRR1280-271K
SRR1280-331K
SRR1280-391K
SRR1280-471K
SRR1280-561K
SRR1280-681K
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
±
±
±
±
±
±
±
±
±
±
±
20
10
10
10
10
10
10
10
10
10
10
18
16
24
24
24
20
18
20
20
20
26
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
4.5
4.3
4.1
4.0
3.4
3.1
2.9
2.7
2.2
2.0
1.7
150.0
200.0
270.0
300.0
400.0
450.0
600.0
680.0
880.0
960.0
1300.0
2.10
1.95
1.85
1.75
1.60
1.20
1.10
1.00
0.90
0.80
0.75
2.00
1.95
1.90
1.88
1.70
1.60
1.40
1.40
1.25
1.15
0.97
5.0 ± 0.3
(.197 ± .012)
7.5 ± 0.5
(.295 ± .020)
SRR1280-821K
SRR1280-102K
820.0
1000.0
±
±
10
10
20
40
0.796
0.252
1.4
1.3
1500.0
1700.0
0.70
0.68
0.94
0.80
7.0
(.276)
TYP.
Electrical Schematic
Recommended Layout
REF.
5.4
(.213)
6.8
DIMENSIONS:
MM
(INCHES)
2.9
(.114)
REF.
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
(.268)
REF.
2.9
(.114)
REF.
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相关代理商/技术参数
参数描述
SRR1280-391K 功能描述:固定电感器 390uH 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
SRR1280-3R3Y 功能描述:固定电感器 3.3uH 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
SRR1280-3R5Y 功能描述:固定电感器 3.5uH 30% Tol. 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
SRR1280-470M 功能描述:固定电感器 47uH 20% 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
SRR1280-471K 功能描述:固定电感器 470uH 10% 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