Features
Applications
■ Semi-shielded construction
■ High rated current
■ DC/DC converters
■ Notebook computers
■ Digital video cameras
■ HDDs
8R2
■ Component height 4.5 mm
■ Inductance range: 1 to 100 µH
■ Rated current up to 4.2 A
■ RoHS compliant* and halogen free**
■ Cell phones
■ Televisions, LCD displays
SRN6045 Series - Semi-shielded Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Operating Temperature
.................................-40 °C to +125 °C
Inductance
@ 100 KHz/1 V
DCR
(Ω)
Max.
Irms
(A)
Isat
(A)
(Temperature rise included)
Storage Temperature ..-40 °C to +125 °C
Resistance to Solder Heat
...............................+250 °C for 10 sec.
Temperature Rise .... 40 °C at rated Irms
Rated Current
Bourns Part No.
SRN6045-1R0Y
SRN6045-1R3Y
SRN6045-1R8Y
SRN6045-2R2Y
SRN6045-3R3Y
SRN6045-4R7Y
SRN6045-6R8Y
SRN6045-8R2Y
SRN6045-100M
SRN6045-150M
SRN6045-220M
SRN6045-330M
SRN6045-470M
SRN6045-680M
SRN6045-101M
L (μH)
1.0
1.3
1.8
2.2
3.3
4.7
6.8
8.2
10
Tol. %
30
30
30
30
30
30
30
30
20
20
20
20
20
20
20
0.0139
0.017
4.2
4.0
3.7
3.5
3.2
3.0
2.8
2.7
2.5
1.9
1.5
1.4
1.1
0.9
0.7
8.5
8.0
7.0
6.0
5.0
4.0
3.8
3.3
3.0
2.3
1.9
1.5
1.3
1.0
0.8
0.0198
0.0251
0.0302
0.0376
0.0473
0.055
........... Inductance drops 30 % at Isat
Materials
Core..............................................Ferrite
Wire ........................... Enameled copper
Terminal Finish....................................Sn
Coating................ Magnetic epoxy resin
Packaging.....1000 pcs. per 13-inch reel
0.0586
0.0958
0.142
15
22
33
0.188
How to Order
47
0.257
SRN6045 - 100M
68
0.351
100
0.494
Model
Value Code (see table)
Soldering Profile
Product Dimensions
Temperature
Rising Area
Preheat Area
Reflow Area
+1.5 ~ 3.0 °C
Forced Cooling Area
6.0 0.2
(.236 .008)
3.0 °C/sec. max.
150 ~ 200 °C / 60 - 180 sec.
6.0°C / sec max.
PeakTemperature:
250 °C +5/-10 °C, 5 sec. max.
250
200
150
100
50
40~90 sec.max.
217 °C
6.0 0.2
(.236 .008)
50
100
150
200
250
0
Time (Seconds)
Peak Temperature: 255 ° max.
Maximum Time Above 217 °C: 90 seconds
4.5
(.177)
MAX.
Recommended Layout
Electrical Schematic
2.5
REF.
(.098)
4.7
REF.
(.185)
6.0
(.236)
REF.
2.0
(.079)
2.0
(.079)
MM
DIMENSIONS:
REF.
REF.
(INCHES)
*
RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
** Bourns follows the prevailing definition of “halogen free” in the industry. Bourns considers a product to be “halogen free” if (a) the Bromine (Br ) content is 900 ppm or less;
(b) the Chlorine ( Cl ) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine ( Cl ) content is 1500 ppm or less.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.