SRP1204-R50M [BOURNS]
Shielded Power Inductors;
| 型号： | SRP1204-R50M |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Shielded Power Inductors |
| 文件： | 总2页 (文件大小：258K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
Applications
■ Shielded construction
■ Unit height of 4 mm
■ Inductance range: 0.5 µH to 1.8 µH
■ Current up to 13 A
■ RoHS compliant*
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car audio systems
R50
SRP1204 Series - Shielded Power Inductors
General Specifications
Electrical Specifications
Test Voltage........................................1 V
Test Frequency ..........................100 KHz
Reflow 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
Initial
Inductance
L0 (µH)
Inductance
at Flat Point
L1 (µH)
Flat Point
ref.
Bourns Part No.
I rms
(A)
I sat
(A)
DCR
(mΩ) max.
(A)
SRP1204-R50M
SRP1204-1R1M
SRP1204-1R8M
0.75 20 % 0.55 20 %
1.30 20 % 1.10 20 %
2.00 20 % 1.80 20 %
2.0
2.0
2.0
13.0
12.0
10.0
14.0
13.0
11.0
3.0
4.5
6.0
..............................+260 °C for 10 sec.
L vs I Charts
Materials
Core.........................................Ferrite ER
Wire.............................Enameled copper
Terminal.....................................Cu/Ni/Sn
Rated Current.......Ind. drops 20 % at I sat
Temperature Rise..........40 ˚C at rated I rms
Packaging .......800 pcs. per 13-inch reel
2.0
1R8
1.5
1.0
0.5
Product Dimensions
1R1
R50
12.50 0.ꢀ0
(0.492 0.012)
1.90 0.20
12.50 0.ꢀ0
(0.748 0.008)
(0.492 0.012)
2.0
0
5
10
15
DC Current (A)
4.00 0.20
(0.157 0.008)
Electrical Schematic
ꢀ.00
(0.118)
NOM.
2.50
(0.098)
NOM.
1
7.50 0.25
(0.295 0.010)
ꢀ
5.20
REF.
2
(0.205)
2.00
6.40
REF.
REF.
(0.079)
(0.252)
CLIP (for mounting - no electrical connection)
ꢀ
Recommended Layout
REF.
4.70
(0.185)
ꢀ.75
(0.148)
ꢀ.0
(0.118)
REF.
REF.
REF.
7.50
(0.295)
10.50
REF.
REF.
(0.41ꢀ)
4.50
(0.177)
ꢀ.75
(0.148)
4.15
REF.
REF.
4.15
(0.16ꢀ)
REF.
(0.16ꢀ)
1ꢀ.0
(0.512)
REF.
MM
(INCHES)
DIMENSIONS:
*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.
SRP1204 Series - Shielded Power Inductors
Soldering Profile
275
225
175
125
75
260 °C peak
<1>Maximum of 10 seconds
between +255 °C and +260 °C
<1> 255 °C
220 °C
190°C
Ramp Down
5 °C/second
60 seconds
maximum
150 °C
120-150 seconds
10 seconds minimum
Ramp Up
4 °C/second maximum
25
0
50
100
150
200
250
ꢀ00
Time (Seconds)
Packaging Specifications
330.0
(13.00)
DIA.
2.0 ± 0.5
(.079 ± .020)
30.4
(1.197)
THICKNESS
0.10
(.004)
MAX.
13.0
(.51)
DIA.
21.0 ± 0.8
(.827 ± .031)
EMBOSSED
CAVITY
50.0 - 0
(1.97 - 0)
13.0
(.51)
DIA.
EMBOSSED
CARRIER
26.0 - 0
(1.02 - 0)
16.0
(0.6ꢀ0)
4.0
(0.157)
START
END
R50
R50
R50
R50
R50
NO COMPONENT
200
(7.874)
MIN.
NO COMPONENT
400
(15.748)
MIN.
COMPONENTS
USER DIRECTION OF FEED
MM
(INCHES)
DIMENSIONS:
REV. 05/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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