Datasheet

Features
■ Semi-shielded construction
■ Inductance range: 0.5 to 330 µH
■ Rated current up to 12 A
■ AEC-Q200 compliant
■ RoHS compliant* and halogen free**
SRN8040TA Series - Semi-shielded Power Inductors
Operating Temp. .......... -55 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -55 °C to +125 °C
Temperature Rise .....40 °C at rated Irms
Rated Current
............ Inductance drops 30 % at Isat
Failure In Time (FIT) ........24.7/10
9
hours
Mean Time Between Failures (MTBF)
.................................. 40.4 x 10
6
hours
Moisture Sensitivity Level .....................1
................. N/A
Bourns Part No.
Inductance
@ 1 MHz / 1 V
Q
(Min.)
@ 1 MHz
SRF
(MHz)
Typ.
DCR
(mΩ)
±20 %
Irms
(A)
Typ.
Isat
(A)
Typ.L (μH) Tol. %
SRN8040TA-R50Y 0.5 ± 30 20 165 5.5 12.00 17.00
SRN8040TA-1R0Y 1.0 ± 30 15 85 8.2 8.50 13.80
SRN8040TA-1R4Y 1.4 ± 30 15 78 10 8.20 11.80
SRN8040TA-1R5Y 1.5 ± 30 15 66 10 8.00 11.50
SRN8040TA-2R0Y 2.0 ± 30 15 61 11 7.50 10.20
SRN8040TA-2R2Y 2.2 ± 30 15 57 11.5 7.40 9.80
SRN8040TA-3R3Y 3.3 ± 30 15 48 15 6.60 8.00
SRN8040TA-4R7M 4.7 ± 20 15 38 19.5 5.80 6.70
SRN8040TA-5R6M 5.6 ± 20 15 33 22 5.40 6.20
SRN8040TA-6R8M 6.8 ± 20 15 29 25 5.10 5.60
SRN8040TA-100M 10 ± 20 15 25 33 4.60 5.00
SRN8040TA-150M 15 ± 20 12 20 50 3.60 4.00
SRN8040TA-220M 22 ± 20 12 18 73 2.90 3.10
SRN8040TA-330M 33 ± 20 12 15 100 2.30 2.60
SRN8040TA-470M 47 ± 20 12 12 135 2.00 2.20
SRN8040TA-560M 56 ± 20 12 10.5 160 1.75 1.90
SRN8040TA-680M 68 ± 20 12 9.5 205 1.65 1.75
SRN8040TA-820M 82 ± 20 12 8.5 230 1.40 1.60
SRN8040TA-101M 100 ± 20 10 8 300 1.20 1.45
SRN8040TA-121M 120 ± 20 10 7.5 350 1.10 1.30
SRN8040TA-151M 150 ± 20 10 7 410 0.98 1.20
SRN8040TA-181M 180 ± 20 10 6.5 490 0.91 1.04
SRN8040TA-221M 220 ± 20 10 5.5 610 0.85 0.99
SRN8040TA-331M 330 ± 20 10 5 850 0.70 0.75
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Coating .................Magnetic epoxy resin
Packaging ..... 1000 pcs. per 13-inch reel
Materials
Product Dimensions
Recommended Layout
DIMENSIONS:
MM
(INCHES)
Electrical Schematic
How to Order
SRN8040TA - 100M
Model
Value Code (see table)
*RoHS & AEC COMPLIANT
5.5 ± 0.3
(.217 ± .012)
3.7 ± 0.3
(.146 ± .012)
MAX.
4.2 ± 0.3
(.165 ± .012)
MAX.
SRN8040TA-R50Y SRN8040TA-1R0Y~331M
2.4 ± 0.3
(.094 ± .012)
8.0 ± 0.3
(.315 ± .012)
8.0 ± 0.3
(.315 ± .012)
2R2
6.3 ± 0.3
(.248 ± .012)
6.6
(.260)
2.8
(.110)
8.5
(.335)
DIMENSIONS:
MM
(INCHES)
* 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.
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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
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