Features
n Available in E12 series
n Low profile - 4.7 mm unit height
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
SRR0805 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 V
Reow Soldering .. 250 °C, 10 sec. max.
(In compliance with JEDEC,
J-STD-020C, Table 4-2)
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Resistance to Soldering Heat
.......................... 260 °C, 10 sec. max.
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. %
SRR0805-2R2M 2.2 ± 20 18 7.96M 75.0 0.040 2.50 4.90 202
SRR0805-3R9M 3.9 ± 20 20 7.96M 50.0 0.055 2.10 3.70 159
SRR0805-5R6M 5.6 ± 20 20 7.96M 40.0 0.065 1.95 3.20 132
SRR0805-8R2M 8.2 ± 20 19 7.96M 32.0 0.080 1.75 2.50 104
SRR0805-100M 10 ± 20 40 2.52M 28.0 0.100 1.50 2.20 92
SRR0805-120M 12 ± 20 40 2.52M 24.0 0.120 1.40 2.10 87
SRR0805-150M 15 ± 20 40 2.52M 22.0 0.140 1.30 1.80 78
SRR0805-180Y 18 ± 15 40 2.52M 19.0 0.160 1.20 1.70 70
SRR0805-220Y 22 ± 15 38 2.52M 19.0 0.180 1.10 1.50 62
SRR0805-270Y 27 ± 15 35 2.52M 15.5 0.200 1.00 1.40 57
SRR0805-330Y 33 ± 15 40 2.52M 13.5 0.240 0.92 1.20 51
SRR0805-390Y 39 ± 15 35 2.52M 12.0 0.260 0.84 1.10 48
SRR0805-470Y 47 ± 15 32 2.52M 10.5 0.280 0.75 1.00 43
SRR0805-560K 56 ± 10 30 2.52M 9.5 0.380 0.68 0.95 40
SRR0805-680K 68 ± 10 28 2.52M 9.0 0.440 0.60 0.90 36
SRR0805-820K 82 ± 10 28 2.52M 8.5 0.550 0.54 0.74 33
SRR0805-101K 100 ± 10 45 0.796M 7.5 0.600 0.50 0.70 30
SRR0805-121K 120 ± 10 42 0.796M 7.0 0.750 0.45 0.66 27
SRR0805-151K 150 ± 10 39 0.796M 6.5 0.90 0.40 0.64 24
SRR0805-181K 180 ± 10 41 0.796M 4.8 1.05 0.35 0.62 22
SRR0805-221K 220 ± 10 38 0.796M 4.5 1.18 0.30 0.55 20
SRR0805-271K 270 ± 10 37 0.796M 4.2 1.40 0.27 0.45 18
SRR0805-331K 330 ± 10 36 0.796M 3.8 1.80 0.24 0.38 17
SRR0805-471K 470 ± 10 34 0.796M 3.5 2.25 0.20 0.35 14
SRR0805-561K 560 ± 10 32 0.796M 3.0 3.00 0.18 0.34 12
SRR0805-681K 680 ± 10 32 0.796M 2.8 3.40 0.17 0.32 11
SRR0805-821K 820 ± 10 35 0.796M 2.5 4.00 0.16 0.29 10
SRR0805-102K 1000 ± 10 35 0.252M 2.2 5.00 0.15 0.24 9
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
Product Dimensions
Recommended Layout
DIMENSIONS:
MM
(INCHES)
**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.
2.5
(.099)
TYP.
2.2
(.086)
8.0 ± 0.2
(.315 ± .008)
10.5 ± 0.3
(.413 ± .012)
2.1
(.082)
MAX.
4.7
(.185)
TYP.
6.0
(.236)
TYP.
2.0
(.079)
5.7
(.224)
101
2.5
(.099)
TYP.
2.2
(.086)
8.0 ± 0.2
(.315 ± .008)
10.5 ± 0.3
(.413 ± .012)
2.1
(.082)
MAX.
4.7
(.185)
TYP.
6.0
(.236)
TYP.
2.0
(.079)
5.7
(.224)
101
Core Loss vs. Flux Density
Flux Density Bp-p (gauss)
10
100
0.10
1
10 1000100
0.01
1000
Core Loss (mW)
1 MHz
800 KHz
500 KHz
400 KHz
300 KHz
200 KHz
100 KHz
