Features
Applications
■ Wirewound construction
■ Iron powder core
■ DC/DC converters for:
- Smart phones
- DVC/DSCs
■ Magnetically shielded construction
provides low radiation
■ Low DC resistance
■ Low profile
- Tablets
- HDD/SSDs
- Mobile electronic devices
■ RoHS compliant*
SRP2512 Series - SMD Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Inductance Test Frequency ... 1 MHz/1 V
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-50 °C to +125 °C
Rated Current
............ Inductance drops 30 % at Isat
Temperature Rise .....40 °C at rated Irms
Resistance to Soldering Heat....+260 °C
Inductance
@ 1 MHz / 1 V
Irms
(A)
Bourns
Part Number
DCR
(mΩ) Max.
Isat
(A)
L (μH)
0.47
0.68
1
Tol. (%)
SRP2512-R47M
SRP2512-R68M
SRP2512-1R0M
SRP2512-1R5M
SRP2512-2R2M
20
20
20
20
20
25
35
4.5
3.7
3.4
2.5
2.1
5.3
4.1
3.4
3.2
3.0
49
1.5
77
2.2
104
How to Order
Electrical Schematic
Materials
SRP2512 - 1R0M
Core.....................................Iron powder
Terminal.........................................Ni/Sn
Packaging....... 3000 pcs. per 7-inch reel
Model
Value Code (see table)
Product Dimensions
Soldering Profile
1.2
MAX.
(.ꢀ47)
t
p
CRITICAL
ZONE
to T
T
T
p
L
T
L
P
RAMP-UP
ꢀ.6 ꢀ.2
(.ꢀ24 + .ꢀꢀ8)
ꢀ.6 ꢀ.2
(.ꢀ24 + .ꢀꢀ8)
t
L
T
smax
2.5 ꢀ.2
(.ꢀ98 .ꢀꢀ8)
T
smin
RAMP-DOWN
2.ꢀ ꢀ.2
(.ꢀ79 .ꢀꢀ8)
t
s
Preheat
25
Recommended Layout
t
25 °C to Peak
Time (Seconds)
1.2
(.ꢀ47)
Profile Feature
Pb Free Assembly
Average Ramp Rate (T
Preheat
to T )
3 °C/second max.
Smax
P
- Temperature Min. (T
- Temperature Max. (T
)
150 °C
200 °C
60-180 seconds
Smin
2.ꢀ
(.ꢀ79)
)
Smax
)
- Time (t
to t
smin
smax
Time Maintained Above
- Temperature (T )
217 °C
60-150 seconds
L
2.8
(.11ꢀ)
- Time (t )
L
Peak Temperature (T )
260 °C +0/-5 °C
p
MM
(INCHES)
Time within 5 °C of Actual Peak Temperature
DIMENSIONS:
(T )
20-40 seconds
6 °C/second max.
8 minutes max.
p
Ramp-Down Rate
Time 25 °C to Peak Temperature
*RoHS Directive 2ꢀꢀ2/95/EC Jan. 27, 2ꢀꢀ3 including annex and RoHS Recast 2ꢀ11/65/EU June 8, 2ꢀ11.
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 this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov