Recommended LayoutSchematic
Features
n Unit height of 2.9 mm
n Inductance range: 1500 to 10,000 μH
n Rated current up to 0.12 A
n RoHS compliant*
Applications
n DC/DC converters
n Power supplies for:
• Portable communication equipment
• Laptop computers
• Camcorders, HDTV, car audio systems
SRE6603 Series - Shielded SMD Power Inductors
*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.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
Test Voltage ....................................0.1 V
Reow Soldering ... 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.
Electrical Characteristics
Bourns Part No.
Inductance
@ 100 KHz
L (μH)
±20 %
Q
(Ref.)
Test
Freq.
(KHz)
SRF
(MHz)
Typ.
DCR
(W)
Max.
I rms
(A)
I sat
(A)
**K
-Factor
SRE6603-152M 1500 50 100 2 4.2 0.12 0.035 82
SRE6603-222M 2200 50 100 2 8.5 0.10 0.028 68
SRE6603-332M 3300 50 100 1 11 0.08 0.024 53
SRE6603-472M 4700 50 100 1 13.9 0.06 0.021 48
SRE6603-682M 6800 50 100 1 25 0.04 0.019 37
SRE6603-103M 10,000 50 100 0.8 32.8 0.02 0.017 31
General Specications
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
Materials
Product Dimensions
DIMENSIONS:
MM
(INCHES)
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
4.32 ± 0.3
(0.170 ± 0.012)
3.90 ± 0.3
(0.154 ± 0.012)
6.60
(0.260)
MAX.
1.02 ± 0.2
(0.040 ± 0.008)
4.45
(0.175)
MAX.
2.92
(0.115)
MAX.
1.27 ± 0.2
(0.050 ± 0.008)
222
**K-Factor: To calculate core ux density, Bp-p (gauss) = K x L(µH) x Δ I (peak-to-peak ripple current, A),
determine core loss from Core Loss vs. Flux Density plot.
Core Loss vs. Flux Density
Flux Density Bp-p (gauss)
10
1
100 1000
1 MHz
800 KHz
500 KHz
400 KHz
300 KHz
200 KHz
10000
0.1
0.01
0.001
Core Loss (mW)
100 KHz
4.06
(0.160)
4.32 ± 0.3
(0.170 ± 0.012)
3.90 ± 0.3
(0.154 ± 0.012)
6.60
(0.260)
MAX.
1.4
(0.055)
1.4
(0.055)
1.02 ± 0.2
(0.040 ± 0.008)
3.56
(0.140)
4.45
(0.175)
MAX.
2.92
(0.115)
MAX.
1.27 ± 0.2
(0.050 ± 0.008)
6.86
(0.270)
REF.
