Features
nꢀ Shieldedꢀconstruction
Applications
nꢀ Automotiveꢀsystems:ꢀ
ꢀ
ꢀ
ꢀ
-ꢀꢀDriverꢀassistantꢀ
-ꢀꢀInfotainmentꢀ
-ꢀꢀLighting
nꢀꢀInductanceꢀrange:ꢀ1ꢀtoꢀ100ꢀµH
nꢀꢀHeatingꢀcurrentꢀupꢀtoꢀ3.6ꢀA
nꢀꢀAEC-Q200ꢀqualified
nꢀ DC/DCꢀconverters
nꢀ Powerꢀsupplies
nꢀ RoHSꢀcompliant*ꢀandꢀhalogenꢀfree**
SRR3818AꢀSeriesꢀ-ꢀShieldedꢀPowerꢀInductors
ꢀꢀ
ꢀ
Electrical Specifications @ 25 °C
General Specifications
Operating Temp........... -40 °C to +150 °C
(Temperature rise included)
1
2
Inductance @
100 kHz/0.1 V
I rms
(A)
I rms
(A)
SRF
(MHz)
Typ.
DCR (mW)
Bourns
Part Number
I sat
(A)
Storage Temperature .. -40 °C to +150 °C
Temperature Rise
L (µH) Tol. (%)
Typ.
Max.
Typ.
Typ.
1
SRR3818A-1R0Y
SRR3818A-1R5Y
SRR3818A-2R2Y
SRR3818A-2R7Y
SRR3818A-3R3Y
SRR3818A-3R9Y
SRR3818A-4R7Y
SRR3818A-6R8Y
SRR3818A-100M
SRR3818A-150M
SRR3818A-220M
SRR3818A-330M
SRR3818A-470M
SRR3818A-680M
SRR3818A-101M
1.0
1.5
2.2
2.7
3.3
3.9
4.7
6.8
10
15
22
33
47
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 30
± 20
± 20
± 20
± 20
± 20
± 20
± 20
165
125
95
90
75
70
60
50
40
30
25
20
15
13
11
27.5
33
37
47
2.75
2.5
2
1.9
1.7
1.6
1.5
1.25
1
0.8
0.65
0.5
0.45
0.38
0.28
3.6
3.1
2.6
2.5
2.1
2
1.9
1.6
1.3
2.1
1.6
1.4
..................... 20 °C typ. at rated Irms
2
40 °C typ. at rated Irms
45.5
49.5
64.5
80
60
65
85
Rated Current
1.3
............ Inductance drops 35 % at Isat
Moisture Sensitivity Level.....................1
ESD Classification (HBM).................N/A
1.15
1.05
0.95
0.8
0.65
0.55
0.43
0.34
0.3
105
120
160
235
340
500
740
1030
1600
2600
90
125
180
260
395
590
825
1280
2040
Materials
Core..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging....... 1000 pcs. per 7-inch reel
1.05
0.8
0.65
0.56
0.46
0.34
68
100
0.24
0.2
Product Dimensions
3.80 0.20
(.150 .008)
How to Order
Electrical Schematic
SRR3818A - 1R0Y
3.80 0.20
(.150 .008)
Model
Value Code (see table)
Recommended Layout
1.60
(.063)
4.30
(.169)
1.80 0.20
(.071 .008)
1.30 0.20
(.051 .008)
1.20 0.20
(.047 .008)
1.10
(.043)
1.60
(.063)
ꢀ
MM
(INCHES)
DIMENSIONS:
1.30 0.20
(.051 .008)
ꢀ
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
*RoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.ꢀ
**Bournsꢀconsidersꢀaꢀproductꢀtoꢀbeꢀ“halogenꢀfree”ꢀifꢀ(a)ꢀtheꢀBromineꢀ(Br)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀ(b)ꢀtheꢀꢀ
Chlorineꢀ(Cl)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀandꢀ(c)ꢀtheꢀtotalꢀBromineꢀ(Br)ꢀandꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ1500ꢀppmꢀorꢀless.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀsheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀactualꢀdeviceꢀ
performanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.