SRF0703-681M Bourns Inc., SRF0703-681M Datasheet
SRF0703-681M
Manufacturer Part Number
SRF0703-681M
Description
POWER INDUCTOR, 680UH, 290MA, 20%
Manufacturer
Bourns Inc.
Series
SRF0703r
Datasheet
1.SRF0703-R33M.pdf
(2 pages)
Specifications of SRF0703-681M
Inductance Tolerance
± 20%
Dc Resistance Max
3.96ohm
Dc Current Rating
290mA
Core Material
Ferrite
Inductor Case Style
0703
No. Of Pins
4
Inductance
680µH
Inductance Per Coil
680µH
Number Of Coils
2
Current
143mA
Tolerance
±20%
Inductance - Connected In Series
2.72mH
Inductance - Connected In Parallel
680µH
Dc Resistance (dcr)
8.085 Ohm Max
Package / Case
0.299" L x 0.299" W x 0.134" H (7.60mm x 7.60mm x 3.40mm)
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
SRF0703-681MTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SRF0703-681M
Manufacturer:
BOURNS
Quantity:
30 000
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Bourns Part No.
SRF0703-R33M
SRF0703-1R0M
SRF0703-1R5M
SRF0703-2R2M
SRF0703-3R3M
SRF0703-4R7M
SRF0703-6R8M
SRF0703-8R2M
SRF0703-100M
SRF0703-150M
SRF0703-220M
SRF0703-330M
SRF0703-470M
SRF0703-680M
SRF0703-820M
SRF0703-101M
SRF0703-151M
SRF0703-221M
SRF0703-331M
SRF0703-471M
SRF0703-681M
SRF0703-821M
SRF0703-102M
1
3
Electrical Specifi cations @ 25 °C
Recommended Layout
Electrical Schematic
N1
(.039)
1.0
(.016)
2
3
0.4
DUAL INDUCTOR MODE
N2
L (μH) ±20 %
Inductance
@ 100 KHz
4
2
1000
0.33
100
150
220
330
470
680
820
1.0
1.5
2.2
3.3
4.7
6.8
8.2
10
15
22
33
47
68
82
1
4
Parallel Rating
0.0092
0.0135
0.0191
0.0217
0.0316
0.0406
0.0658
0.0772
0.0826
1
3
0.119
0.338
0.507
0.715
0.986
DCR
Max.
(.311)
0.15
0.24
0.61
1.48
2.16
2.82
3.96
5.01
6.11
N1
(.068)
1.73
(Ω)
7.9
PARALLEL
Irms
6.19
5.25
4.64
4.11
3.31
3.09
2.55
2.19
2.08
1.83
1.62
1.31
1.08
0.89
0.86
0.73
0.58
0.52
0.42
0.35
0.29
0.27
0.26
(A)
14.4
7.97
6.52
5.52
4.22
3.78
3.12
2.66
2.47
2.05
1.67
1.35
1.14
0.96
0.89
0.79
0.65
0.53
0.44
0.37
0.31
0.28
0.25
(.039)
Features
■
■
■
■
■
SRF0703 Series - Dual-Winding Shielded Power Inductors
N2
Isat
(A)
1.0
4
2
Multiple applications: parallel, series,
dual-inductor and transformer
Magnetically shielded, low radiation
Inductance range: 0.33 to 4000 μH
Rated current up to 6.19 A
RoHS compliant*
(.016)
0.4
2
3
L (μH) ±20 %
Inductance
@ 100 KHz
1320
1880
2720
3280
4000
1.32
13.2
18.8
27.2
32.8
SERIES MODE
132
188
272
328
400
600
880
8.8
40
60
88
4
6
1
3
Series Rating
N1
0.072
0.132
0.182
0.242
0.285
0.306
0.342
11.22
16.17
20.07
24.42
1
DCR
Max.
4
0.04
0.11
0.47
0.62
1.28
1.92
2.28
2.64
3.63
8.25
1.0
5.5
(Ω)
SERIES
(.311)
(.068)
1.73
7.9
0.916
0.811
0.653
0.542
0.444
0.367
0.289
0.211
0.173
0.143
0.134
0.128
Irms
2.63
2.32
2.06
1.66
1.55
1.28
1.04
0.43
0.26
3.1
1.1
(A)
N2
2
7.18
3.99
3.26
2.76
2.11
1.89
1.56
1.33
1.24
1.03
0.83
0.68
0.57
0.48
0.44
0.39
0.32
0.27
0.22
0.18
0.15
0.14
0.13
Isat
(A)
4
Applications
■
■
Test Voltage ..................................0.25 V
Hi-pot ................500 Vrms, 3 mA, 3 sec.
Refl ow Soldering .. 230 °C; 50 sec. max.
Operating Temperature
Storage Temperature .. -40 °C to +125 °C
Resistance to Solder Heat
Core ..............................................Ferrite
Wire ........................... Enameled copper
Base ................................................ LCP
Adhesive .............................. Epoxy resin
Terminal ................................... Cu/Ni/Sn
Rated Current
Temperature Rise .... 40 °C at rated Irms
Packaging .....1500 pcs. per 13-inch reel
Model
Value Code (see table)
SEPIC topology
Power supplies for:
General Specifi cations
Materials
Product Dimensions
How to Order
................................. -40 °C to +105 °C
...............................+260 °C for 10 sec.
........... Inductance drops 30 % at Isat
(.106)
TYP.
2.7
- Communication equipment
- Notebooks, desktop computers,
- LCDs, fl at panels, backlights
- Camcorders, HDTVs, car audio
servers
systems
DIMENSIONS:
(Temperature rise included)
(.299)
7.6
4
1
MAX.
2
3
SRF0703 - 100M
(INCHES)
(.039)
(.114)
1.0
2.9
MM
TYP.
TYP.
(.134 ± .008)
(.299)
MAX.
7.6
3.4 ± 0.2
Related parts for SRF0703-681M
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
POWER INDUCTOR, 10UH, 2.08A, 20%
Manufacturer:
Bourns Inc.
Datasheet:
Part Number:
Description:
POWER INDUCTOR, 100UH, 730MA, 20%
Manufacturer:
Bourns Inc.
Datasheet:
Part Number:
Description:
POWER INDUCTOR, 1MH, 260MA, 20%
Manufacturer:
Bourns Inc.
Datasheet:
Part Number:
Description:
POWER INDUCTOR, 15UH, 1.83A, 20%
Manufacturer:
Bourns Inc.
Datasheet:
Part Number:
Description:
POWER INDUCTOR, 150UH, 580MA, 20%
Manufacturer:
Bourns Inc.
Datasheet:
Part Number:
Description:
POWER INDUCTOR, 1UH, 5.25A, 20%
Manufacturer:
Bourns Inc.
Datasheet:
Part Number:
Description:
POWER INDUCTOR, 1.5UH, 4.64A, 20%
Manufacturer:
Bourns Inc.
Datasheet:
Part Number:
Description:
POWER INDUCTOR, 22UH, 1.62A, 20%
Manufacturer:
Bourns Inc.
Datasheet:
Part Number:
Description:
POWER INDUCTOR, 220UH, 520MA, 20%
Manufacturer:
Bourns Inc.
Datasheet:
Part Number:
Description:
POWER INDUCTOR, 2.2UH, 4.11A, 20%
Manufacturer:
Bourns Inc.
Datasheet:
Part Number:
Description:
Manufacturer:
Bourns, Inc.
Datasheet:
Part Number:
Description:
11mm Potentiometer
Manufacturer:
Bourns, Inc.
Datasheet:
SRF0703-681M Summary of contents
Page 1
... SRF0703-330M 33 0.24 SRF0703-470M 47 0.338 SRF0703-680M 68 0.507 SRF0703-820M 82 0.61 SRF0703-101M 100 0.715 SRF0703-151M 150 0.986 SRF0703-221M 220 1.48 SRF0703-331M 330 2.16 SRF0703-471M 470 2.82 SRF0703-681M 680 3.96 SRF0703-821M 820 5.01 SRF0703-102M 1000 6.11 Electrical Schematic PARALLEL Recommended Layout 0.4 1.73 (.016) (.068 ...
Page 2
... SRF0504 Series - Line Filter SRF0703 Series - Dual-Winding Shielded Power Inductors Packaging Specifi cations 330 2.0 ± 0.5 DIA. (12.99) (.079 ± .020) 21.0 ± 0.8 (.827 ± .031) 13.0 ± 0.5 DIA. (.512 ± .020) END NO COMPONENT 200 (7.87) Asia-Pacifi c: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 • ...