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Features
Applications
■ E6 series optional
■ Input/output of DC/DC converters
■ Unit height of 5.5 mm
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
■ Current rating up to 5 A
■ J-hook leads
■ RoHS compliant*
SRR1205 Series - Shielded High Power Inductors
Electrical Characteristics
Inductance 1
KHz
Test
Frequency
(MHz)
SRF
Min.
(MHz)
RDC
Max.
(mΩ)
I rms
Max.
(A)
I sat
Typ.
(A)
**KFactor
Bourns Part No.
(µH)
Tol. %
Q
Ref.
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
Δ I (peak-to-peak ripple current, A),
determine core loss from Core Loss vs. Flux Density plot.
Schematic
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
Materials
Core ........................Ferrite DR & RI core
Wire ........................... Enameled copper
Base .....................................LCP E4008
Terminal ................................... Cu/Ni/Sn
Packaging.................... 600 pcs. per reel
Product Dimensions
101
12.7 ± 0.3
(.500 ± .012)
5.0 ± 0.2
(.197 ± .007)
12.7 ± 0.3
(.500 ± .012)
5.5
MAX.
(.217)
2.3 ± 0.2
(.091 ± .007)
Recommended Layout
7.0
(.276)
6.0
(.236)
4.0
(.157)
DIMENSIONS:
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
* 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. 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
MM
(INCHES)
SRR1205 Series - Shielded High Power Inductors
Core Loss vs. Flux Density
10000
Core Loss (mW)
1000
800 KHz
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
10 KHz
100
10
1
0.10
0.01
10
100
1000
Flux Density Bp-p (gauss)
330
DIA.
(12.99)
2.0 ± 0.5
(.079 ± .020)
30.4
(1.20)
13.0 ± 0.5
(.512 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
50.0
(1.969)
13.0 ± 0.5
DIA.
(.512 ± .020)
26
(1.02)
4
(.157)
END
START
24
(.945)
DIMENSIONS:
5.6
(0.22)
16
(.63)
NO COMPONENT
COMPONENTS
NO COMPONENT
200
(7.874)
11200
(440.945)
400
(15.748)
MM
(INCHES)
USER DIRECTION OF FEED
QTY: 600 PCS. PER REEL
REV. 03/17
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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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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