PL
IA
NT
Features
n
Shielded construction
n
Unit height of 5.7 mm
n
Inductance range: 0.47 to 3.3 μH
n
Current up to 30 A
n
RoHS compliant*
F
RE
E
Applications
n
Input/output of DC/DC converters
n
Power supplies for:
*R
oH
S
C
OM
• Portable communications equipment
• Camcorders
• LCD TVs
LE
AD
Electrical Specifications
Initial
Inductance
L0 (μH)
0.70 ±25 %
0.90 ±25 %
1.10 ±25 %
1.50 ±25 %
2.20 ±25 %
3.00 ±25 %
3.50 ±25 %
Inductance
at Flat Point
L1 (μH)
0.47 ±25 %
0.60 ±25 %
0.80 ±25 %
1.30 ±25 %
2.00 ±25 %
2.80 ±25 %
3.30 ±25 %
SRP1206 Series - Shielded Power Inductors
General Specifications
Test Voltage .......................................1 V
Test Frequency ......................... 100 KHz
Reflow Soldering .. 230 °C; 50 sec. max.
Operating Temperature
................................-55 °C to +150 °C
(Temperature rise included)
Storage Temperature
................................-55 °C to +150 °C
Resistance to Soldering Heat
............................. +260 °C for 10 sec.
Moisture Sensitivity Level .....................1
ESD Classification (HBM).................N/A
1
Circuit design, component, PCB trace
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
Bourns Part No.
SRP1206-R47Y
SRP1206-R60Y
SRP1206-R80Y
SRP1206-1R3Y
SRP1206-2R0Y
SRP1206-2R8Y
SRP1206-3R3Y
Flat Point
Ref.
(A)
5.0
5.0
5.0
4.0
4.0
3.0
I rms
(A)
30.0
28.0
26.0
22.0
17.0
15.0
I sat
(A)
30.0
26.0
25.0
19.0
15.0
13.0
12.0
DCR
(mΩ)
Max.
2.3
2.3
3.2
3.6
6.0
7.0
7.0
1.90 ± 0.20
(0.748 ± 0.008)
3.0
12.50 ± 0.30
14.0
L vs I Charts
(0.492 ± 0.012)
12.50 ± 0.30
(0.492 ± 0.012)
3.0
2R8
2R0
1R3
size and thickness, airflow and other
cooling provisions all affect the part
temperature. Part temperature should be
verified in the end application.
Materials
Core ........................................Ferrite ER
Wire ............................Enameled copper
Terminal ........................................Cu/Sn
Rated Current .....Ind. drops 20 % at Isat
Temperature Rise .....40 °C at rated Irms
Packaging ....... 600 pcs. per 13-inch reel
Product Dimensions
12.50 ± 0.30
(0.492 ± 0.012)
12.50 ± 0.30
(0.492 ± 0.012)
1.90 ± 0.20
(0.748 ± 0.008)
Inductance (µH)
2.0
1.0
R80
2.5
(.099)
2.00
(0.079)
NOM.
3
1R0
5.70 ± 0.30
(0.224 ± 0.012)
2.50
(0.098)
NOM.
1
0.0
0
4.5
(.177)
1.5
(.060)
7.50 ± 0.25
(0.295 ± 0.010)
2
30
10
DC
5.20
REF.
(0.205)
20
2.00
Current (A)
REF.
(0.079)
6.40
REF.
(0.252)
3 CLIP (for mounting fixed)
REF.
3.00
(0.118)
REF.
4.70
(0.185)
3.75
REF.
(0.148)
REF.
10.50
(0.413)
3.75
REF.
(0.148)
4.15
REF.
(0.163)
REF.
7.50
(0.295)
REF.
4.50
(0.177)
4.15
REF.
(0.163)
13.0
REF.
(0.512)
2.00
(0.079)
NOM.
3
REF.
5.20
(0.205)
2.00
REF.
(0.079)
1R0
5.70 ± 0.30
(0.224 ± 0.012)
2.50
(0.098)
NOM.
Electrical Schematic
Recommended Layout
1
7.50 ± 0.25
(0.295 ± 0.010)
2
6.40
REF.
(0.252)
3 CLIP (for mounting fixed)
MM
DIMENSIONS:
(INCHES)
*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.
7.50
REF.
(0.295)
4.50
3.00
REF.
(0.118)
REF.
4.70
(0.185)
3.75
REF.
(0.148)
REF.
10.50
(0.413)
3.75
SRP1206 Series - Shielded Power Inductors
Soldering Profile
275
225
175
125
75
25
<1> Maximum of 10 seconds
between +255 °C and +260 °C
<1> 255 °C
220 °C
60 seconds
maximum
Ramp Down
5 °C/second
260 °C peak
275
225
175
125
75
25
<1> 5 seconds maximum
at +245 °C
<1> 245
Temperature (°C)
Temperature (°C)
190°C
150 °C
120-150 seconds
170 °C
150 °C
120 -150 seconds
10
Ramp Up
4 °C/second maximum
0
50
100
150
10 seconds minimum
Ramp Up
4 °C/second maximum
0
50
100
150
200
250
300
Time (Seconds)
Time (S
Packaging Specifications
330.0
(13.00)
DIA.
2.0 ± 0.5
(.079 ± .020)
30.4
(1.197)
21.0 ± 0.8
(.827 ± .031)
13.0 ± 0.5
(.51 ± .020)
DIA.
50.0 - 0
(1.97 - 0)
THICKNESS
0.10
(.004)
MAX.
MM
DIMENSIONS:
(INCHES)
EMBOSSED
CAVITY
13.0 ± 0.5
DIA.
(.51 ± .020)
EMBOSSED
CARRIER
26.0 - 0
(1.02 - 0)
END
16.0
(0.630)
4.0
(0.157)
START
2R0
2R0
2R0
2R0
2R0
NO COMPONENT
160
(6.299)
MIN.
NO COMPONENT
COMPONENTS
400
(15.748)
MIN.
USER DIRECTION OF FEED
600 PCS. PER REEL
REV. 03/18
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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