Features
■ Shielded construction
■ Metal alloy powder core
■ High saturation current
■ Low buzz noise
■ Inductance range 0.15 to 10 µH
■ RoHS compliant* and halogen free**
1.0H
SRP3012C Series – Shielded Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature (Component)
................................-40 °C to +125 °C
Rated Current
............ Inductance drops 30 % at Isat
Temperature Rise... 40 °C at rated Irms1
MSL ......................................................1
ESD Classification (HBM)................. N/A
Inductance
@ 100 kHz / 1 V
I sat
(A)
Typ. Marking
Q
SRF
DCR
DCR
(mΩ)
Max.
I rms
(A)
Typ.
Bourns
Part Number
Min. @ (MHz) (mΩ)
L (μH) Tol. % 100 kHz
Typ.
180
140
115
98
Typ.
9.6
14
SRP3012C-R15Y
SRP3012C-R22M
SRP3012C-R33M
SRP3012C-R47M
SRP3012C-R68M
SRP3012C-1R0M
SRP3012C-1R5M
SRP3012C-2R2M
SRP3012C-3R3M
SRP3012C-4R7M
SRP3012C-5R6M
SRP3012C-6R8M
SRP3012C-8R2M
SRP3012C-100M
0.15 ± 30 %
0.22 ± 20 %
0.33 ± 20 %
0.47 ± 20 %
0.68 ± 20 %
10
10
10
10
10
10
10
10
10
10
10
10
10
10
11
17
10
8
14
12
.15H
.22H
.33H
.47H
.68H
1.0H
1.5H
2.2H
3.3H
4.7H
5.6H
6.8H
8.2H
10H
16
20
7
9.8
6.5
5.8
5.2
4
25
30
5
75
34
40
4.5
3.3
3
1.0
1.5
2.2
3.3
4.7
5.6
6.8
8.2
10
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
50
50
60
Note 1: Circuit design, component, PCB trace size and
thickness, airflow and other cooling provisions all can
affect the part temperature. Part temperature should be
verified in the end application.
42
71
85
38
98
115
198
282
360
400
463
520
2.7
2
3.2
2.6
2.3
2
34
172
245
310
360
420
450
Materials
31
1.6
1.5
1.4
1.2
1.1
27
Core..........................Metal alloy powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging..... 4000 pcs. per 13-inch reel
26
1.8
1.5
1.4
25
24
How to Order
Product Dimensions
SRP3012C - 100M
3.5 0.ꢀ
(.138 .008ꢁ
0.8 0.4
(.031 .01ꢂꢁ
Model
Value Code (see table)
Schematic
1.ꢀ 0.ꢀ
(.047 .008ꢁ
3.ꢀ 0.ꢀ
(.1ꢀꢂ .008ꢁ
1.0H
1.0 0.ꢀ
(.039 .008ꢁ
Recommended Layout
MM
(INCHESꢁ
DIMENSIONS:
4.1
(.1ꢂ1ꢁ
Typical Part Marking
1.45
(.057ꢁ
INDUCTANCE
VALUE
1.9
(.075ꢁ
1.0H
MM
DIMENSIONS:
(INCHESꢁ
MATERIAL
CODE
*
RoHS Directive ꢀ015/8ꢂ3, Mar 31, ꢀ015 and Annex.
**Bourns considers a product to be “halogen free” if (aꢁ the Bromine (Brꢁ content is 900 ppm or less; (bꢁ the Chlorine
(Clꢁ content is 900 ppm or less; and (cꢁ the total Bromine (Brꢁ and Chlorine (Clꢁ content is 1500 ppm or less.
Specifications are subject to change without notice.
WARNING
Cancer and Reproductive Harm
www.Pꢂ5Warnings.ca.gov
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
this document, and at www.bourns.com/docs/legal/disclaimer.pdf.