T
PL
IA
N
M
CO
Applications
■ Unit height of 2.9 mm
■ DC/DC converters
■ Inductance range: 1500 to 10,000 μH
■ Power supplies for:
• Portable communication equipment
• Laptop computers
• Camcorders, HDTV
■ Rated current up to 0.12 A
2
22
*R
oH
S
Features
■ RoHS compliant*
SRE6603 Series - Shielded SMD Power Inductors
Electrical Characteristics
Bourns Part No.
SRE6603-152M
SRE6603-222M
SRE6603-332M
SRE6603-472M
SRE6603-682M
SRE6603-103M
Inductance
@ 100 KHz
L (μH)
±20 %
1500
2200
3300
4700
6800
10,000
Q
(Ref.)
50
50
50
50
50
50
Test
Freq.
(KHz)
100
100
100
100
100
100
SRF
(MHz)
Typ.
2
2
1
1
1
0.8
DCR
(Ω)
Max.
4.2
8.5
11
13.9
25
32.8
I rms
(A)
0.12
0.10
0.08
0.06
0.04
0.02
I sat
(A)
0.035
0.028
0.024
0.021
0.019
0.017
**K
-Factor
82
68
53
48
37
31
Δ I (peak-to-peak ripple current, A),
determine core loss from Core Loss vs. Flux Density plot.
Materials
Core ..............................................Ferrite
Wire ............................Enameled copper
Base ..........................................Ceramic
Adhesive .............................. Epoxy resin
Terminal ....................................Ag/Ni/Au
Rated Current
...............Ind. drop of 30 % typ. at Isat
Temperature Rise ...40 °C typical at Irms
Packaging ..... 2000 pcs. per 13-inch reel
Core Loss vs. Flux Density
10
Core Loss (mW)
Test Voltage ....................................0.1 V
... 230 °C, 50 sec max.
Operating Temperature
................................-25 °C to +105 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Resistance to Soldering Heat
............................... 260 °C for 10 sec.
Moisture Sensitivity Level ..................... 1
................. N/A
1 MHz
800 KHz
500 KHz
400 KHz
300 KHz
200 KHz
100 KHz
1
0.1
Product Dimensions
6.60
(0.260)
MAX.
4.45
(0.175)
MAX.
0.01
1.27 ± 0.2
(0.050 ± 0.008)
0.001
100
1000
10000
Flux Density Bp-p (gauss)
Schematic
4.32 ± 0.3
(0.170 ± 0.012)
Recommended Layout
3.56
(0.140)
1.02 ± 0.2
(0.040 ± 0.008)
6.86
REF.
(0.270)
3.90 ± 0.3
(0.154 ± 0.012)
1.4
(0.055)
4.06
(0.160)
1.4
(0.055)
DIMENSIONS:
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
2.92
(0.115)
MAX.
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
SRE6603 Series - Shielded SMD Power Inductors
Temperature (°C)
275
Maximum of 10 seconds
between +255 °C and +260 °C
225
260 °C peak
255 °C
220 °C
190°C
60 seconds
maximum
175
Ramp Down
5 °C/second
150 °C
125
120-150 seconds
10 seconds minimum
75
Ramp Up
4 °C/second maximum
25
0
50
100
150
200
250
300
Time (Seconds)
330.0
(13.00)
DIA.
2.0 ± 0.5
(.079 ± .020)
THICKNESS
0.10
(.004)
MAX.
13.5 ± 0.5
(0.53 ± .020)
DIA.
EMBOSSED
CAVITY
100.0 ± 2.0
(3.94 ± .079)
13.5 ± 0.5
DIA.
(.53 ± .020)
EMBOSSED
CARRIER
16.5 ± 0.5
(0.65 ± 0.020)
1.75 ± 0.1
(0.069 ± 0.004)
2.0 ± 0.1
(0.079 ± 0.004)
4.0 ± 0.1
(0.157 ± 0.004)
16.0 ± 0.3
(0.629 ± 0.012)
6.7 ± 0.1
(0.264 ± 0.004)
7.5 ± 0.1
(0.295 ± 0.004)
0.35 ± 0.05
(0.014 ± 0.002)
8.0 ± 0.1
(0.315 ± 0.004)
DIMENSIONS:
1.5 ± 0.1
(0.059 ± 0.004)
MM
(INCHES)
4.4 ± 0.1
(0.173 ± 0.004)
3.2 ± 0.1
(0.126 ± 0.004)
USER DIRECTION OF FEED
QTY: 2000 PCS. PER REEL
REV. 03/18
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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