*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
SRR7045 Series - Shielded SMD Power Inductors
Features
■Available in E6 values
■Current rating to 3.50 amps
■Lead free
■RoHS compliant*
Applications
■Input/output of DC/DC converters
■Power supplies for:
•Portable communication equipment
•Camcorders
•LCD TVs
•Car radios
470
*RoHS COMPLIANT
Inductance 100 kHz QTest SRF RDC I rms I sat
Bourns Part No.
(µH) Tol. % Typ. Frequency Min. Max. Max. Typ.
(MHz) (MHz) (Ω) (A) (A)
SRR7045-1R0M 1.0 ± 20 10 7.96 60 0.020 3.50 3.20
SRR7045-2R2M 2.2 ± 20 10 7.96 60 0.022 2.80 2.50
SRR7045-2R7M 2.7 ± 20 10 7.96 60 0.027 2.78 3.10
SRR7045-3R3M 3.3 ± 20 10 7.96 43 0.027 2.50 2.20
SRR7045-3R9M 3.9 ± 20 10 7.96 40 0.028 2.71 2.43
SRR7045-4R7M 4.7 ± 20 10 7.96 35 0.030 2.64 2.20
SRR7045-5R6M 5.6 ± 20 10 7.96 33 0.036 2.38 2.00
SRR7045-6R3M 6.3 ± 20 10 7.96 30 0.038 2.33 1.85
SRR7045-6R8M 6.8 ± 20 10 7.96 28 0.036 2.20 2.00
SRR7045-100M 10 ± 20 30 2.52 25 0.042 2.00 1.70
SRR7045-120M 12 ±20 27 2.52 23 0.050 1.85 1.40
SRR7045-150M 15 ± 20 31 2.52 24 0.062 1.60 1.35
SRR7045-180M 18 ±20 29 2.52 21 0.070 1.50 1.15
SRR7045-220M 22 ± 20 26 2.52 18 0.082 1.35 1.10
SRR7045-270M 27 ±20 25 2.52 18 0.110 1.25 1.00
SRR7045-330M 33 ± 20 25 2.52 12 0.115 1.15 0.90
SRR7045-390M 39 ±20 26 2.52 13 0.130 1.10 0.80
SRR7045-470M 47 ± 20 29 2.52 11 0.150 0.95 0.78
SRR7045-560M 56 ±20 21 2.52 11 0.200 0.85 0.65
SRR7045-680M 68 ± 20 22 2.52 10 0.210 0.77 0.60
SRR7045-820M 82 ± 20 22 2.52 9 0.280 0.70 0.60
SRR7045-101M 100 ± 20 40 0.796 8 0.300 0.65 0.50
SRR7045-121M 120 ±20 30 0.796 7 0.420 0.60 0.45
SRR7045-151M 150 ± 20 51 0.796 7 0.480 0.53 0.41
SRR7045-181M 180 ±20 52 0.796 5 0.660 0.475 0.375
SRR7045-221M 220 ± 20 44 0.796 5 0.700 0.45 0.36
SRR7045-271M 270 ±20 30 0.796 5 0.840 0.40 0.275
SRR7045-331M 330 ± 20 65 0.796 4 0.730 0.40 0.25
SRR7045-391M 390 ±20 27 0.796 5 1.200 0.35 0.225
SRR7045-471M 470 ± 20 80 0.796 3 1.100 0.32 0.22
SRR7045-561M 560 ±20 27 0.796 4 1.600 0.30 0.20
SRR7045-681M 680 ± 20 65 0.796 3 1.600 0.27 0.20
SRR7045-821M 820 ±20 26 0.796 3 2.200 0.25 0.175
SRR7045-102M 1000 ± 20 90 0.252 3 2.400 0.25 0.15
Electrical Specifications
Product Dimensions
Recommended Layout
220
2.0
(.079)
TYP.
4.50 ± 0.3
(.177 ± .012)
7.0 ± 0.3
(.276 ± .012)
7.0 ± 0.3
(.276 ± .012)
1.5
(.059)
TYP.
4.0
(.157) TYP.
General Specifications
Test Voltage.....................................0.5 V
Reflow 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 10 sec.
Materials
Core ............................Ferrite DR and RI
Wire .............Enameled copper wire 130
Terminal.....................................Cu/Ni/Sn
Rated Current
....................Ind. drop 10 % typ. at Isat
(-1R0M through -221M)
....................Ind. drop 25 % typ. at Isat
(-271M through -102M)
Temperature Rise ..................30 °C max.
at rated Irms
Packaging ..................1000 pcs. per reel
Electrical Schematic
DIMENSIONS: MM
(INCHES)
2.4
(.094)
REF.
7.80
(.307)
1.8
(.071)REF.
1.8
(.071) REF.
4.2
(.165)
REF. REF.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
SRR7045 Series - Shielded SMD Power Inductors
REV. 03/09
18
(.709)
22.4
(.882)
2.0 ± 0.5
(.079 ± .020)
50.0
(1.969)
330
(13.00)DIA.
13.0 ± 0.5
(.512 ± .020)DIA.
13.0 ± 0.5
(.512 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
EMBOSSED
CARRIER
EMBOSSED
CAVITY
0.10
(.004)
THICKNESS
MAX.
Packaging Specifications
220 220 2
USER DIRECTION OF FEED
160
(6.299)
NO COMPONENT NO COMPONENTCOMPONENTS
390
(15.354)
START
4
(.157)
12.0
(.472)
5.3
(.209)
16
(.630)
END
QTY: 1000 PCS. PER REEL
DIMENSIONS: MM
(INCHES)
