Features
nꢀ Shieldedꢀconstruction
Applications
nꢀ Selectedꢀautomotiveꢀapplications:
nꢀ Inductanceꢀrange:ꢀ1.2ꢀtoꢀ390ꢀµH
nꢀ Heatingꢀcurrentꢀupꢀtoꢀ4.8ꢀA
nꢀ AEC-Q200ꢀcompliant
ꢀ
ꢀ
ꢀ
-ꢀ Driverꢀassistantꢀ
-ꢀ Infotainmentꢀ
-ꢀ Lighting
nꢀ DC/DCꢀconverters
nꢀ Powerꢀsupplies
nꢀ RoHSꢀcompliant*ꢀandꢀhalogenꢀfree**
ꢀ
SRR4528AꢀSeriesꢀ–ꢀShieldedꢀPowerꢀInductors
Electrical Specifications @ 25 °C
General Specifications
Operating Temperature
Inductance
@ 100 kHz / 0.1 V
DCR
(mΩ)
SRF
(MHz)
Typ.
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Temperature Rise...................40 °C typ.
at rated Irms
Inductance Drop...........35 % typ. at Isat
MSL......................................................1
ESD Classification (HBM)................. N/A
Bourns
Part Number
I rms (A)
Typ.
I sat (A)
Typ.
L (µH)
1.2
Tol. %
± 30 %
± 30 %
± 30 %
± 30 %
± 30 %
± 30 %
± 30 %
± 30 %
± 30 %
± 30 %
± 30 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
Typ.
12.3
14.3
17.4
19.1
25.6
28.2
29.8
34.9
43.2
46.7
51.5
64.9
74.2
87.9
Max.
SRR4528A-1R2Y
SRR4528A-1R8Y
SRR4528A-2R2Y
SRR4528A-2R7Y
SRR4528A-3R3Y
SRR4528A-3R9Y
SRR4528A-4R7Y
SRR4528A-5R6Y
SRR4528A-6R8Y
SRR4528A-7R4Y
SRR4528A-8R2Y
SRR4528A-100M
SRR4528A-120M
SRR4528A-150M
SRR4528A-180M
SRR4528A-220M
SRR4528A-270M
SRR4528A-330M
SRR4528A-390M
SRR4528A-470M
SRR4528A-560M
SRR4528A-680M
SRR4528A-820M
SRR4528A-101M
SRR4528A-121M
SRR4528A-151M
SRR4528A-181M
SRR4528A-221M
SRR4528A-271M
SRR4528A-331M
SRR4528A-391M
82.0
78.0
76.0
68.0
60.0
58.0
54.0
50.0
45.0
42.0
38.0
35.0
28.0
24.0
23.0
21.0
20.0
18.0
16.0
15.0
14.0
12.0
11.0
10.0
9.0
17.0
20.0
23.0
29.0
35.0
37.0
40.0
47.0
58.0
63.0
70.0
88.0
100.0
119.0
4.82
4.20
3.78
3.40
2.93
2.80
2.63
2.39
2.25
2.16
2.12
1.76
1.62
1.42
1.28
1.10
1.06
0.95
0.90
0.86
0.81
0.70
0.59
0.56
0.53
0.48
0.43
0.37
0.34
0.32
0.28
3.04
2.50
2.32
2.10
1.82
1.70
1.58
1.49
1.37
1.28
1.22
1.13
0.99
0.90
0.85
0.72
0.68
0.59
0.57
0.52
0.45
0.41
0.39
0.34
0.30
0.29
0.26
0.23
0.19
0.18
0.17
1.8
2.2
2.7
3.3
3.9
Materials
4.7
5.6
Core..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging......... 500 pcs. per 7-inch reel
6.8
7.4
8.2
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
How to Order
SRP4528A - 1R2Y
Model
104.0 136.0
138.0 179.0
152.0 197.0
184.0 239.0
218.0 272.0
240.0 300.0
278.0 348.0
361.0 452.0
442.0 552.0
487.0 609.0
547.0 700.0
724.0 905.0
903.0 1128.0
1184.0 1480.0
1290.0 1612.0
1730.0 2160.0
1910.0 2380.0
Value Code (see table)
Schematic
8.5
7.0
6.0
5.0
4.5
4.0
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 520 390 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
*ꢀꢀRoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.ꢀ
**Bournsꢀconsidersꢀaꢀproductꢀtoꢀbeꢀ“halogenꢀfree”ꢀifꢀ(a)ꢀtheꢀBromineꢀ(Br)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀ(b)ꢀtheꢀChlorineꢀꢀ
ꢀꢀꢀꢀ(Cl)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀandꢀ(c)ꢀtheꢀtotalꢀBromineꢀ(Br)ꢀandꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ1500ꢀppmꢀorꢀless.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.
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