Features
n Available in E6 series
n Low unit height of 3.3 mm
n High current
n RoHS compliant*
Applications
n Input/output of DC/DC converters
n Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRR0603 Series - Shielded Power Inductors
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
*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 ................................... 1 Volt
Reow Soldering .. 230 °C, 50 sec. max.
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Resistance to Soldering Heat
................................. 260 °C for 5 sec.
Electrical Specications
Bourns Part No.
Inductance
1 KHz
Q
Ref.
Test
Frequency
(MHz)
SRF
Min.
(MHz)
RDC
Max.
(Ω)
I rms
Max.
(A)
I sat
Typ.
(A)
**K-
FactorµH Tol. %
SRR0603-1R5ML 1.5 ± 20 20 7.96 95.0 0.032 2.20 3.50
424
SRR0603-2R5ML 2.5 ± 20 19 7.96 90.0 0.040 2.00 2.95
335
SRR0603-3R3ML 3.3 ± 20 16 7.96 85.0 0.055 1.80 2.60
303
SRR0603-4R7ML 4.7 ± 20 13 7.96 45.0 0.070 1.60 2.20
255
SRR0603-6R8ML 6.8 ± 20 13 7.96 32.0 0.100 1.20 1.75
205
SRR0603-100ML 10 ± 20 16 2.52 25.0 0.12 1.10 1.50
172
SRR0603-150ML 15 ± 20 16 2.52 25.0 0.18 0.90 1.20
135
SRR0603-220ML 22 ± 20 16 2.52 20.0 0.27 0.70 1.05
112
SRR0603-330KL 33 ± 10 15 2.52 16.0 0.43 0.60 0.83
92
SRR0603-470KL 47 ± 10 13 2.52 13.0 0.55 0.50 0.73
77
SRR0603-680KL 68 ± 10 11 2.52 10.0 0.90 0.40 0.53
64
SRR0603-101KL 100 ± 10 22 0.796 9.0 1.50 0.30 0.44
53
SRR0603-151KL 150 ± 10 22 0.796 8.0 1.90 0.25 0.39
43
SRR0603-221KL 220 ± 10 20 0.796 5.0 2.70 0.20 0.31
36
SRR0603-331KL 330 ± 10 18 0.796 4.5 4.20 0.18 0.24
30
SRR0603-471KL 470 ± 10 17 0.796 4.0 6.70 0.15 0.19
25
SRR0603-681KL 680 ± 10 13 0.796 3.5 10.50 0.12 0.15
20
SRR0603-102KL 1000 ± 10 20 0.252 3.0 14.00 0.10 0.13
17
General Specications
Core ............................... Ferrite DR & RI
Wire ............................Enameled copper
Base .....................................LCP E4008
Terminal ....................................Cu/Ni/Sn
Rated Current
...............Ind. drop of 10 % typ. at Isat
Temperature Rise
.....................40 °C max. at rated Irms
Packaging .................. 1000 pcs. per reel
Materials
Schematic
6.5 ±0.2
(.256 ±.008)
6.5 ± 0.2
(.256 ±.008)
0.7 ±0.1
(.028 ±.004)
2.0 ±0.2
(.099 ±.008)
5.0 ±0.2
(.197 ±.008)
4.8
(.189)
MAX.
0.7 ±0.1
(.028 ±.004)
100
4.5
(.177)
1.5
(.060)
2.5
(.099)
**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.
Product Dimensions
6.5 ± 0.2
(.256 ± .008)
6.5 ± 0.2
(.256 ± .008 )
0.7 ± 0.1
(.028 ± .004)
2.0 ± 0.2
(.099 ± .008)
5.0 ± 0.2
(.197 ± .008)
3.3
(.130)
MAX.
0.7 ± 0.1
(.028 ± .004)
100
4.5
(.177)
1.5
(.060)
2.5
(.099)
Recommended Layout
Core Loss vs. Flux Density
800 KHz
Flux Density Bp-p (gauss)
1
10
100
0.10
100
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
10 KHz
100001000
0.01
1000
Core Loss (mW)
DIMENSIONS:
MM
(INCHES)
