Features
n Available in E12 series
n Low profile - 3.8 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
SRR0804 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
.......................... 250 °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. %
SRR0804-5R0M 5.0 ± 20 20 7.96M 45.0 0.08 1.70 2.80 141
SRR0804-7R5M 7.5 ± 20 20 7.96M 40.0 0.10 1.40 2.60 120
SRR0804-100M 10 ± 20 38 2.52M 32.0 0.12 1.20 2.20 105
SRR0804-120M 12 ± 20 38 2.52M 28.0 0.15 1.10 1.90 93
SRR0804-150M 15 ± 20 38 2.52M 25.0 0.17 1.00 1.60 83
SRR0804-180Y 18 ± 15 35 2.52M 23.0 0.19 0.90 1.50 76
SRR0804-220Y 22 ± 15 30 2.52M 22.0 0.25 0.80 1.30 69
SRR0804-270Y 27 ± 15 28 2.52M 18.0 0.27 0.70 1.30 61
SRR0804-330Y 33 ± 15 26 2.52M 17.0 0.30 0.65 1.10 55
SRR0804-390Y 39 ± 15 26 2.52M 16.0 0.38 0.60 1.00 52
SRR0804-470K 47 ± 10 24 2.52M 14.0 0.46 0.55 0.95 47
SRR0804-560K 56 ± 10 24 2.52M 12.0 0.60 0.50 0.85 43
SRR0804-680K 68 ± 10 22 2.52M 11.0 0.70 0.45 0.80 39
SRR0804-820K 82 ± 10 20 2.52M 10.0 0.80 0.40 0.73 36
SRR0804-101K 100 ± 10 50 0.796M 9.0 0.95 0.37 0.65 33
SRR0804-121K 120 ± 10 50 0.796M 8.5 1.00 0.35 0.55 30
SRR0804-151K 150 ± 10 53 0.796M 7.0 1.30 0.30 0.50 27
SRR0804-181K 180 ± 10 53 0.796M 6.0 1.45 0.28 0.45 24
SRR0804-221K 220 ± 10 55 0.796M 5.5 1.90 0.24 0.40 22
SRR0804-271K 270 ± 10 50 0.796M 5.5 2.15 0.22 0.35 20
SRR0804-331K 330 ± 10 60 0.796M 5.0 2.80 0.19 0.32 18
SRR0804-391K 390 ± 10 55 0.796M 4.5 3.30 0.17 0.30 16
SRR0804-471K 470 ± 10 60 0.796M 4.0 3.60 0.16 0.28 15
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.
3.8
(.150)
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.
3.8
(.150)
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
