Features
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀThisꢀseriesꢀisꢀcurrentlyꢀavailableꢀbutꢀꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀnotꢀrecommendedꢀforꢀnewꢀdesigns.
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ
nꢀ Shieldedꢀconstruction
nꢀ Unitꢀheightꢀofꢀ5.7ꢀmm
nꢀ Inductanceꢀrange:ꢀ0.47ꢀtoꢀ3.3ꢀμH
nꢀ Currentꢀupꢀtoꢀ30ꢀA
nꢀ RoHSꢀcompliant*
SRP1206 Series - Shielded Power Inductors
General Specifications
Electrical Specifications
Initial
Test Voltage.......................................1 V
Flat Point
Ref.
Inductance
DCR
(mΩ)
Max.
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
Inductance at Flat Point
I rms
(A)
I sat
(A)
Bourns Part No.
SRP1206-R47Y
SRP1206-R60Y
SRP1206-R80Y
SRP1206-1R3Y
SRP1206-2R0Y
SRP1206-2R8Y
SRP1206-3R3Y
L0 (μH)
L1 (μH)
(A)
0.70 ±25 %
0.90 ±25 %
1.10 ±25 %
1.50 ±25 %
2.20 ±25 %
3.00 ±25 %
3.50 ±25 %
0.47 ±25 %
0.60 ±25 %
0.80 ±25 %
1.30 ±25 %
2.00 ±25 %
2.80 ±25 %
3.30 ±25 %
5.0
5.0
5.0
4.0
4.0
3.0
3.0
30.0
28.0
26.0
22.0
17.0
15.0
14.0
30.0
26.0
25.0
19.0
15.0
13.0
12.0
2.3
2.3
3.2
3.6
6.0
7.0
7.0
.............................+260 °C for 10 sec.
Moisture Sensitivity Level.....................1
ESD Classification (HBM).................N/A
1
Circuit design, component, PCB trace
L vs I Charts
size and thickness, airflow and other
cooling provisions all affect the part
temperature. Part temperature should be
verified in the end application.
3.0
2R8
2R0
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
2.0
1.0
1R3
R80
Product Dimensions
0.0
0
12.50 0.ꢀ0
10
20
30
(0.492 0.012ꢁ
1.90 0.20
DC Current (A)
12.50 0.ꢀ0
(0.748 0.008ꢁ
(0.492 0.012ꢁ
Electrical Schematic
Recommended Layout
REF.
4.70
(0.185ꢁ
ꢀ.75
(0.148ꢁ
ꢀ.00
(0.118ꢁ
REF.
REF.
REF.
7.50
(0.295ꢁ
10.50
REF.
REF.
5.70 0.ꢀ0
(0.224 0.012ꢁ
(0.41ꢀꢁ
4.50
(0.177ꢁ
ꢀ.75
(0.148ꢁ
4.15
2.00
(0.079ꢁ
NOM.
2.50
(0.098ꢁ
NOM.
REF.
REF.
4.15
(0.16ꢀꢁ
1
REF.
(0.16ꢀꢁ
1ꢀ.0
(0.512ꢁ
REF.
7.50 0.25
(0.295 0.010ꢁ
ꢀ
5.20
REF.
2
(0.205ꢁ
2.00
6.40
REF.
REF.
(0.079ꢁ
(0.252ꢁ
ꢀ
CLIP (for mounting fixedꢁ
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
*RoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.ꢀ
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.