Features
n Shielded construction
n Carbonyl powder core
n High saturation current
n Inductance range: 0.10 to 10 µH
n AEC-Q200 qualified
n RoHS compliant* and halogen free**
Applications
n Automotive systems:
- Driver assistant
- Information
- Entertainment
- Lighting
n DC/DC converters
n Power supplies
SRP1238A Series - Shielded Power Inductors
Test Voltage ....................................1.0 V
Test Frequency ......................... 100 KHz
Operating Temperature
................................-40 °C to +150 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Rated Current
............ Inductance drops 20 % at Isat
Temperature Rise .....40 °C at rated Irms
Resistance to Soldering Heat
........................ +260 °C, 40 sec. max.
Electrical Specications @ 25 °C General Specications
Core ............................. Carbonyl powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging ....... 500 pcs. per 13-inch reel
Materials
Recommended Layout
DIMENSIONS:
MM
(INCHES)
*RoHS COMPLIANT
& AEC APPROVED
*RoHS COMPLIANT
AEC APPROVED (Select Models)
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
**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.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
Bourns
Part Number
Inductance
@ 100 KHz
/ 1 V
Q (Min.)
@100 KHz
/ 1 V
SRF
(MHz)
Typ.
DCR
(mW)
Typ.
DCR
(mW)
Max.
Irms
(A)
Isat
(A)
Terminal
Type
L
(µH)
Tol.
(%)
SRP1238A-R10Y 0.10 ± 30 10 175 0.36 0.43 43 84
Non-
Lead
Frame
SRP1238A-R15Y 0.15 ± 30 10 140 0.4 0.48 41 75
SRP1238A-R22M 0.22 ± 20 10 125 0.7 0.81 38.5 65
SRP1238A-R33M 0.33 ± 20 10 85 0.85 1.0 36.5 62
SRP1238A-R47M 0.47 ± 20 10 80 1.2 1.8 32 55
SRP1238A-R60M 0.60 ± 20 15 53 1.5 2.2 29 51
SRP1238A-R68M 0.68 ± 20 15 50 1.9 2.5 28 49
SRP1238A-R82M 0.82 ± 20 15 45 2.2 3.0 25 44
Lead
Frame
SRP1238A-1R0M 1.0 ± 20 15 40 2.7 3.5 24 40
SRP1238A-1R2M 1.2 ± 20 20 35 4 4.0 21 37
SRP1238A-1R5M 1.5 ± 20 20 30 4.8 5.5 19 35
SRP1238A-1R8M 1.8 ± 20 20 27 5.2 7.0 17 30
SRP1238A-2R2M 2.2 ± 20 20 25 6.3 8.0 16 29
SRP1238A-3R3M 3.3 ± 20 20 20 11 13.5 12 27
SRP1238A-4R7M 4.7 ± 20 20 15 15.3 18.5 10 24
SRP1238A-5R6M 5.6 ± 20 20 15 18 22.0 9.5 19
SRP1238A-6R8M 6.8 ± 20 20 13 20 24.0 9 18
SRP1238A-8R2M 8.2 ± 20 20 12 23 28.0 8.5 16
SRP1238A-100M 10 ± 20 20 11 29 34.0 7 14
Please consult Bourns
®
Model SRP-A
Series Visual Inspection Guide for detailed
construction, processing and testing
information.
14.2
(.559)
13.5 ± 0.5
(.531 ± .020)
8.0
(.315)
5.0
(.197)
3.3 ± 0.2
(.130 + .008)
12.5 ± 0.3
(.492 ± .012)
4.7 ± 0.3
(.185 ± .012)
3R3
1510
2.3 ± 0.3
(.091 ± .012)
2.75 ± 0.35
(.108 ± .014)
GRADUATED
LINE
2.0
(.079)
REF.
13.5 ± 0.5
(.531 ± .020)
3.3 ± 0.2
(.130 + .008)
12.5 ± 0.3
(.492 ± .012)
4.7 ± 0.3
(.185 ± .012)
R15
1510
2.3 ± 0.3
(.091 ± .012)
2.75 ± 0.35
(.108 ± .014)
GRADUATED
LINE
2.0
(.079)
REF.
Product Dimensions
DIMENSIONS:
MM
(INCHES)
Non-Lead Frame Terminal Lead Frame Terminal
14.2
(.559)
13.5 ± 0.5
(.531 ± .020)
8.0
(.315)
5.0
(.197)
3.3 ± 0.2
(.130 + .008)
12.5 ± 0.3
(.492 ± .012)
4.7 ± 0.3
(.185 ± .012)
3R3
1510
2.3 ± 0.3
(.091 ± .012)
2.75 ± 0.35
(.108 ± .014)
GRADUATED
LINE
2.0
(.079)
REF.
13.5 ± 0.5
(.531 ± .020)
3.3 ± 0.2
(.130 + .008)
12.5 ± 0.3
(.492 ± .012)
4.7 ± 0.3
(.185 ± .012)
R15
1510
2.3 ± 0.3
(.091 ± .012)
2.75 ± 0.35
(.108 ± .014)
GRADUATED
LINE
2.0
(.079)
REF.
13.5 ± 0.5
(.531 ± .020)
3.3 ± 0.2
(.130 + .008)
12.5 ± 0.3
(.492 ± .012)
4.7 ± 0.3
(.185 ± .012)
3R3
1510
2.3 ± 0.3
(.091 ± .012)
2.75 ± 0.35
(.108 ± .014)
GRADUATED
LINE
2.0
(.079)
REF.
13.5 ± 0.5
(.531 ± .020)
3.3 ± 0.2
(.130 + .008)
12.5 ± 0.3
(.492 ± .012)
4.7 ± 0.3
(.185 ± .012)
R15
1510
2.3 ± 0.3
(.091 ± .012)
2.75 ± 0.35
(.108 ± .014)
GRADUATED
LINE
2.0
(.079)
REF.
14.2
(.559)
8.0
(.315)
5.0
(.197)
3.3 ± 0.2
(.130 + .008)
12.5 ± 0.3
(.492 ± .012)
4.7 ± 0.3
(.185 ± .012)
3R3
1510
2.3 ± 0.3
(.091 ± .012)
2.75 ± 0.35
(.108 ± .014)
GRADUATED
LINE
2.0
(.079)
REF.
13.5 ± 0.5
(.531 ± .020)
3.3 ± 0.2
(.130 + .008)
12.5 ± 0.3
(.492 ± .012)
4.7 ± 0.3
(.185 ± .012)
R15
1510
2.3 ± 0.3
(.091 ± .012)
2.75 ± 0.35
(.108 ± .014)
GRADUATED
LINE
2.0
(.079)
REF.
How to Order
SRP1238A - 100M
Model
Value Code (see table)
Electrical Schematic
14.2
(.559)
13.5 ± 0.5
(.531 ± .020)
8.0
(.315)
5.0
(.197)
3.3 ± 0.2
(.130 + .008)
12.5 ± 0.3
(.492 ± .012)
4.7 ± 0.3
(.185 ± .012)
3R3
1510
2.3 ± 0.3
(.091 ± .012)
2.75 ± 0.35
(.108 ± .014)
GRADUATED
LINE
2.0
(.079)
REF.
13.5 ± 0.5
(.531 ± .020)
3.3 ± 0.2
(.130 + .008)
12.5 ± 0.3
(.492 ± .012)
4.7 ± 0.3
(.185 ± .012)
R15
1510
2.3 ± 0.3
(.091 ± .012)
2.75 ± 0.35
(.108 ± .014)
GRADUATED
LINE
2.0
(.079)
REF.
