Features
■ Shielded construction
■ Inductance range: 1.2 to 390 µH
■ Heating current up to 4.8 A
■ AEC-Q200 compliant
■ RoHS compliant* and halogen free**
SRR4528A Series – Shielded Power Inductors
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
................. 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
EMEA:
The Americas:
www.bourns.com
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
* RoHS Directive 2015/863, Mar 31, 2015 and Annex.
**Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine
(Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.
Specifications are subject to change without notice. Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of his document, and at www.bourns.com/docs/legal/disclaimer.pdf