PL
IA
N
T
Features
n
E6 series optional
n
Unit height of 5.5 mm
n
Current rating up to 5 A
n
J-hook leads
n
RoHS compliant*
LE
AD
F
RE
E
Applications
n
Input/output of DC/DC converters
n
Power supplies for:
*R
oH
S
C
OM
• Portable communication equipment
• Camcorders
• LCD TVs
SRR1205 Series - Shielded High Power Inductors
General Specifications
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
Electrical Characteristics
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
Inductance 1
KHz
Bourns Part No.
(µH)
Tol. %
Q
Ref.
Test
Frequency
(MHz)
SRF
Min.
(MHz)
RDC
Max.
(mΩ)
I rms
Max.
(A)
I sat
Typ.
(A)
**K-
Factor
SRR1205-2R5ML
SRR1205-3R3ML
SRR1205-5R0ML
SRR1205-7R5ML
SRR1205-100ML
SRR1205-120ML
SRR1205-150ML
SRR1205-180ML
SRR1205-220ML
SRR1205-270ML
SRR1205-330ML
SRR1205-390ML
SRR1205-500YL
SRR1205-560YL
SRR1205-680YL
SRR1205-750YL
SRR1205-101KL
SRR1205-121KL
SRR1205-151KL
SRR1205-181KL
SRR1205-221KL
SRR1205-271KL
SRR1205-331KL
SRR1205-391KL
SRR1205-471KL
SRR1205-561KL
SRR1205-681KL
SRR1205-821KL
2.5
3.3
5.0
7.5
10
12
15
18
22
27
33
39
50
56
68
75
100
120
150
180
220
270
330
390
470
560
680
820
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 15
± 15
± 15
± 15
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
18
20
20
20
21
20
20
20
19
18
18
18
18
18
17
17
12
10
10
9
9
9
7
7
7
6
6
5
7.96M
27.0
25.0
21.0
17.0
15.0
13.0
11.0
10.0
9.0
8.0
8.0
7.5
7.0
7.0
6.5
6.0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
2.0
2.0
1.5
1.5
1.0
24
30
35
40
54
65
70
82
95
120
145
160
200
240
280
330
400
500
580
750
840
1000
1500
5.00
4.50
4.00
3.50
3.00
2.80
2.70
2.60
2.40
1.80
101
1.65
1.50
1.40
1.30
1.20
1.00
0.90
12.7 ± 0.3
0.80
(.500 ± .012)
10.00
9.20
8.20
7.80
6.00
5.60
5.30
4.80
4.60
4.00
75
65
58
47
39
36
34
30
26
23
20
17
17
15
14
12
11
10
9
8
MAX.
7
7
6
6
5
5
4
7.96M
7.96M
7.96M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
2.52M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
0.796M
2.00
3.50
22
(.500 ± .012)
3.20
2.80
2.50
2.40
2.20
5.0 ± 0.2
(.197 ± .007)
1.60
12.7 ± 0.3
2.00
1.50
1.40
1.30
5.5
1.00
0.88
0.80
0.72
0.65
0.60
0.57
(.217)
101
12.7 ± 0.3
(.500 ± .012)
0.70
0.65
0.60
0.50
0.45
0.40
0.35
0.30
1340
2.3 ± 0.2
0.54
(.091 ± .007)
1980
2200
2400
3000
5.0 ± 0.2
(.197 ± .007)
12.7 ± 0.3
(.500 ± .012)
5.5
MAX.
(.217)
2.3 ± 0.2
(.091 ± .007)
**K-Factor: To calculate core flux 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.
Schematic
Recommended Layout
7.0
(.276)
6.0
(.236)
4.0
(.157)
*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.
DIMENSIONS:
MM
(INCHES)
7.0
(.276)
6.0
(.236)
SRR1205 Series - Shielded High Power Inductors
Core Loss vs. Flux Density
10000
1000
Core Loss (mW)
100
10
1
0.10
0.01
800 KHz
500 KHz
300 KHz
200 KHz
100 KHz
50 KHz
10 KHz
10
100
1000
Flux Density Bp-p (gauss)
Packaging Specifications
330
DIA.
(12.99)
2.0 ± 0.5
(.079 ± .020)
30.4
(1.20)
13.0 ± 0.5
(.512 ± .020)
DIA.
50.0
(1.969)
13.0 ± 0.5
DIA.
(.512 ± .020)
26
(1.02)
4
(.157)
21.0 ± 0.8
(.827 ± .031)
END
START
24
(.945)
16
(.63)
NO COMPONENT
DIMENSIONS:
MM
(INCHES)
5.6
(0.22)
200
(7.874)
COMPONENTS
11200
(440.945)
NO COMPONENT
400
(15.748)
USER DIRECTION OF FEED
QTY: 600 PCS. PER REEL
REV. 03/17
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.
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