Features
■ E6 series optional
■ Unit height of 5.5 mm
■ Current rating up to 5 A
■ J-hook leads
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
SRR1205 Series - Shielded High Power Inductors
*RoHS COMPLIANT
Test Voltage .......................................1 V
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.
Rated Current
..............Ind. drop of 10 % typ. at Isat
Temperature Rise
.....................40 °C max. at rated Irms
Electrical Characteristics
Bourns Part No.
Inductance 1
KHz Q
Ref.
Test
Frequency
(MHz)
SRF
Min.
(MHz)
RDC
Max.
(mΩ)
I rms
Max.
(A)
I sat
Typ.
(A)
**K-
Factor
(µH) Tol. %
SRR1205-2R5ML 2.5 ± 20 18 7.96M 27.0 24 5.00 10.00 75
SRR1205-3R3ML 3.3 ± 20 20 7.96M 25.0 30 4.50 9.20 65
SRR1205-5R0ML 5.0 ± 20 20 7.96M 21.0 35 4.00 8.20 58
SRR1205-7R5ML 7.5 ± 20 20 7.96M 17.0 40 3.50 7.80 47
SRR1205-100ML 10 ± 20 21 2.52M 15.0 54 3.00 6.00 39
SRR1205-120ML 12 ± 20 20 2.52M 13.0 65 2.80 5.60 36
SRR1205-150ML 15 ± 20 20 2.52M 11.0 70 2.70 5.30 34
SRR1205-180ML 18 ± 20 20 2.52M 10.0 82 2.60 4.80 30
SRR1205-220ML 22 ± 20 19 2.52M 9.0 95 2.40 4.60 26
SRR1205-270ML 27 ± 20 18 2.52M 8.0 120 2.00 4.00 23
SRR1205-330ML 33 ± 20 18 2.52M 8.0 145 1.80 3.50 22
SRR1205-390ML 39 ± 20 18 2.52M 7.5 160 1.65 3.20 20
SRR1205-500YL 50 ± 15 18 2.52M 7.0 200 1.50 2.80 17
SRR1205-560YL 56 ± 15 18 2.52M 7.0 240 1.40 2.50 17
SRR1205-680YL 68 ± 15 17 2.52M 6.5 280 1.30 2.40 15
SRR1205-750YL 75 ± 15 17 2.52M 6.0 330 1.20 2.20 14
SRR1205-101KL 100 ± 10 12 0.796M 5.0 400 1.00 2.00 12
SRR1205-121KL 120 ± 10 10 0.796M 4.5 500 0.90 1.60 11
SRR1205-151KL 150 ± 10 10 0.796M 4.0 580 0.80 1.50 10
SRR1205-181KL 180 ± 10 9 0.796M 3.5 750 0.70 1.40 9
SRR1205-221KL 220 ± 10 9 0.796M 3.0 840 0.65 1.30 8
SRR1205-271KL 270 ± 10 9 0.796M 2.5 1000 0.60 1.00 7
SRR1205-331KL 330 ± 10 7 0.796M 2.0 1340 0.54 0.88 7
SRR1205-391KL 390 ± 10 7 0.796M 2.0 1500 0.50 0.80 6
SRR1205-471KL 470 ± 10 7 0.796M 2.0 1980 0.45 0.72 6
SRR1205-561KL 560 ± 10 6 0.796M 1.5 2200 0.40 0.65 5
SRR1205-681KL 680 ± 10 6 0.796M 1.5 2400 0.35 0.60 5
SRR1205-821KL 820 ± 10 5 0.796M 1.0 3000 0.30 0.57 4
Core ........................Ferrite DR & RI core
Wire ........................... Enameled copper
Base .....................................LCP E4008
Terminal ................................... Cu/Ni/Sn
Packaging ....................600 pcs. per reel
Materials
Product Dimensions
Recommended LayoutSchematic
DIMENSIONS: MM
(INCHES)
6.0
(.236)
4.0
(.157)
7.0
(.276)
101
12.7 ± 0.3
(.500 ± .012)
5.0 ± 0.2
(.197 ± .007)
2.3 ± 0.2
(.091 ± .007)
5.5
(.217)MAX.
12.7 ± 0.3
(.500 ± .012)
Δ I (peak-to-peak ripple current, A),
determine core loss from Core Loss vs. Flux Density plot.
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on
the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf
SRR1205 Series - Shielded High Power Inductors
DIMENSIONS: MM
(INCHES)
QTY: 600 PCS. PER REEL
REV. 03/17
USER DIRECTION OF FEED
200
(7.874)
NO COMPONENT NO COMPONENTCOMPONENTS
11200
(440.945)
400
(15.748)
START
4
(.157)
16
(.63)
5.6
(0.22)
24
(.945)
END
26
(1.02)
30.4
(1.20)
2.0 ± 0.5
(.079 ± .020)
50.0
(1.969)
330
(12.99)DIA.
13.0 ± 0.5
(.512 ± .020)DIA.
13.0 ± 0.5
(.512 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
Core Loss vs. Flux Density
Flux Density Bp-p (gauss)
10
100
1000
10000
0.10
1
10 1000100
0.01
Core Loss (mW)
800 KHz
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
10 KHz
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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