7.3
(.287)
5.3
(.209)
REF.
REF.
REF.
2.8
(.110)
REF.
2.8
(.110)
Features
■ Available in E12 series
■ Height of 10 mm
■ Current rating up to 11 A
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
SRR1210 Series - Shielded SMD Power Inductors
*RoHS COMPLIANT
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications
Test Voltage ................... 0.25 volt/1 KHz
Refl ow 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 Characteristics
Bourns Part No.
Inductance 100 KHz
Q
Ref.
Test
Frequency
(MHz)
SRF
MHz
Typ.
DCR
max.
(mΩ)I rms
(A) I sat
(A)uH Tol. %
SRR1210-1R0Y 1.0 ±30 10 7.96 85 6.0 11.0 16.5
SRR1210-1R8Y 1.8 ±30 10 7.96 56 7.5 10.2 13.2
SRR1210-2R2Y 2.2 ±30 10 7.96 54 9.0 9.5 12.2
SRR1210-3R3Y 3.3 ±30 15 7.96 44 10 9.0 10.5
SRR1210-4R7Y 4.7 ±30 8 7.96 35 12 8.5 9.6
SRR1210-5R6Y 5.6 ±30 12 7.96 28 14 8.0 8.5
SRR1210-6R8Y 6.8 ±30 12 7.96 20 15 7.9 8.3
SRR1210-8R2Y 8.2 ±30 11 7.96 16 17 7.3 7.5
SRR1210-100M 10 ±20 16 2.52 12 18 6.5 6.5
SRR1210-120M 12 ±20 14 2.52 18 22 6.3 6.1
SRR1210-150M 15 ±20 16 2.52 10.5 32 5.8 5.3
SRR1210-180M 18 ±20 13 2.52 8.0 35 5.5 5.1
SRR1210-220M 22 ±20 16 2.52 8.0 38 5.2 4.5
SRR1210-270M 27 ±20 16 2.52 6.5 40 5.0 4.2
SRR1210-330M 33 ±20 16 2.52 6.5 52 4.4 3.7
SRR1210-390M 39 ±20 16 2.52 4.5 66 4.2 3.5
SRR1210-470M 47 ±20 16 2.52 4.5 72 3.8 3.1
SRR1210-560M 56 ±20 8 2.52 4.0 90 3.4 2.9
SRR1210-680M 68 ±20 12 2.52 3.8 102 3.0 2.7
SRR1210-820M 82 ±20 15 2.52 3.5 112 2.8 2.5
SRR1210-101M 100 ±20 16 0.796 3.0 135 2.5 2.2
SRR1210-121M 120 ±20 13 0.796 2.6 170 2.3 1.9
SRR1210-151M 150 ±20 12 0.796 2.2 190 2.2 1.8
SRR1210-181M 180 ±20 14 0.796 1.8 250 1.9 1.6
SRR1210-221M 220 ±20 15 0.796 1.8 315 1.7 1.5
SRR1210-271M 270 ±20 16 0.796 1.8 410 1.5 1.3
SRR1210-331M 330 ±20 14 0.796 1.8 450 1.4 1.2
SRR1210-391M 390 ±20 16 0.796 1.3 600 1.3 1.1
SRR1210-471M 470 ±20 12 0.796 0.85 820 1.2 1.0
SRR1210-561M 560 ±20 12 0.796 0.85 900 1.1 0.95
SRR1210-681M 680 ±20 11 0.796 0.85 1200 1.0 0.85
SRR1210-821M 820 ±20 6 0.796 0.85 1320 0.85 0.75
SRR1210-102M 1000 ±20 22 0.796 0.85 1650 0.75 0.70
General Specifi cations
Core ................................Ferrite DR & RI
Wire ........................... Enameled copper
Terminal coating ...................... Matte Sn
Rated Current
..............Ind. drop of 20 % typ. at Isat
Temperature Rise .. 40 °C typical at Irms
Packaging ....................250 pcs. per reel
Materials
Product Dimensions
1R0
12.0 ± 0.5
(.472 ± .020)
12.0 ± 0.5
(.472 ± .020)
4.9
(.193)
INDUCTANCE
CODE
10.0
(.394) MAX.
REF.
REF.
7.9
(.311)
Recommended LayoutSchematic
DIMENSIONS: MM
(INCHES)
10 0
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications
SRR1210 Series - Shielded SMD Power Inductors
Packaging Specifi cations
DIMENSIONS: MM
(INCHES)
Asia-Pacifi c: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
26 +0
(1.024 +0)
30.4
(1.197)
2.0 ± 0.5
(.079 ± .020)
50.0 -0
(1.969 -0)
330
(12.99)DIA.
13.0
(.512) DIA.
13.0
(.512)
DIA.
21.0 ± 0.8
(.827 ± .031)
EMBOSSED
CARRIER
EMBOSSED
CAVITY
0.10
(.004)
THICKNESS
MAX.
1R0 1R0 1R0 1R0
USER DIRECTION OF FEED
200
(7.87)
NO COMPONENT NO COMPONENTCOMPONENTS
400
(15.75)
START
4.0
(.157)
20.0
(.787)
24.0
(.945)
END
QTY: 250 PCS. PER REEL
06/08
