Features
Applications
■ Semi-shielded construction
■ Miniature size
■ DC/DC converters
■ Notebook computers
■ Digital video cameras
■ HDDs
■ Component height 1.5 mm
■ Inductance range: 1 to 100 µH
■ Rated current up to 2.35 A
■ RoHS compliant* and halogen free**
1R0
■ Cell phones
■ Televisions, LCD displays
SRN3015 Series - Semi-shielded Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Operating Temperature
.................................-40 °C to +125 °C
Inductance
@ 0.1 V / 1 MHz
DCR
(Ω)
Max.
SRF (MHz)
Min.
Irms
(A)
Isat
(A)
(Temperature rise included)
Storage Temperature ....-40 °C to +85 °C
Resistance to Solder Heat
...............................+260 °C for 10 sec.
Temperature Rise .... 40 °C at rated Irms
Rated Current
Bourns Part No.
SRN3015-1R0Y
SRN3015-1R5Y
SRN3015-2R2M
SRN3015-3R3M
SRN3015-4R7M
SRN3015-6R8M
SRN3015-100M
SRN3015-150M
SRN3015-180M
SRN3015-220M
SRN3015-330M
SRN3015-470M
SRN3015-101M
L (μH)
1.0
1.5
2.2
3.3
4.7
6.8
10
Tol. %
30
0.048
0.066
0.072
0.112
0.136
0.211
0.276
0.422
0.546
0.622
0.959
1.406
2.920
145
130
90
75
65
50
45
33
30
28
22
18
11
2.35
2.10
1.80
1.60
1.40
1.10
1.00
0.80
0.65
0.60
0.50
0.40
0.29
2.35
2.00
1.65
1.40
1.20
1.05
0.88
0.68
0.62
0.58
0.46
0.38
0.27
30
20
20
........... Inductance drops 30 % at Isat
20
20
Materials
20
Core..............................................Ferrite
Wire ........................... Enameled copper
Terminal Finish....................................Sn
Coating................ Magnetic epoxy resin
Packaging.......2000 pcs. per 7-inch reel
15
20
18
20
22
20
33
20
47
20
How to Order
100
20
SRN3015 - 100M
Soldering Profile
Model
Value Code (see table)
Temperature
Rising Area
Preheat Area
150 ~ 200 °C / 60 - 180 sec.
Reflow Area
Forced Cooling Area
3.0 °C/sec. max.
+1.5 ~ 3.0 °C
6.0°C / sec max.
Product Dimensions
PeakTemperature:
250 °C +5/-10 °C, 5 sec. max.
3.0 0.1
250
200
150
100
50
(.118 .004)
40~90 sec.max.
217 °C
3.0 0.1
(.118 .004)
50
100
150
200
250
0
Time (Seconds)
Peak Temperature: 255 ° max.
Maximum Time Above 217 °C: 90 seconds
1.5
(.059)
MAX.
Recommended Layout
Electrical Schematic
2.7
(.106)
TYP.
0.9 0.2
2.7
(.035 .008)
1.0
(.106)
(.039)
1.2 0.2
(.047 .008)
1.2
(.047)
0.9 0.2
(.035 .008)
1.0
(.039)
MM
(INCHES)
DIMENSIONS:
*
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.
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