7.2
(.283)
7.4
(.291)TYP.
TYP.
10.0 ± 0.3
(.394 ± .012)
1.8
(.071)
1.8
(.071)
4.0
(.157)
3.4
(.134)
TYP.
3.2
(.126)
TYP.
3.4
(.134)
3.8 ± 0.3
(.150 ± .012)
10.0 ± 0.3
(.394 ± .012)
Features
Shielded construction
Inductance range: 1.5 to 330 µH
Heating current up to 7.2 A
AEC-Q200 qualifi ed
RoHS compliant* and halogen free**
SRU1038A Series - Shielded Power Inductors
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Resistance to Soldering Heat
.............................+245 °C for 10 sec.
Temperature Rise
......................40 °C typ. at rated I rms
Inductance Drop .......... 35 % typ. at I sat
Electrical Speci cations @ 25 °C General Speci cations
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish .........................Ag/Ni/Sn
Packaging .................... 800 pcs. per reel
Materials
Product Dimensions
Recommended Layout
DIMENSIONS: MM
(INCHES)
How to Order
SRU1038A - 100Y
Model
Value Code (see table)
*RoHS COMPLIANT
& AEC APPROVED
Electrical Schematic
Inductor Connection
Bourns
Part Number
Inductance
@ 100 KHz / 1 V Q
(Ref.)
Test
Freq.
(MHz)
SRF
(MHz)
Typ.
DCR
(mΩ)
Max.
I rms
(A)
I sat
(A)
L (μH) Tol. (%)
SRU1038A-1R5Y 1.5 ±30 14 7.96 65 7.5 7.2 7.0
SRU1038A-2R2Y 2.2 ±30 12 7.96 55 10.5 6.8 6.5
SRU1038A-3R5Y 3.5 ±30 14 7.96 35 15 5.5 5.5
SRU1038A-5R0Y 5.0 ±30 12 7.96 30 22 4.6 4.8
SRU1038A-6R2Y 6.2 ±30 12 7.96 25 24 4.0 4.2
SRU1038A-100Y 10 ±30 24 2.52 20 35 3.8 3.6
SRU1038A-150Y 15 ±30 24 2.52 16 50 2.8 2.7
SRU1038A-220Y 22 ±30 20 2.52 12 75 2.2 2.3
SRU1038A-330Y 33 ±30 22 2.52 10 112 1.8 1.8
SRU1038A-470Y 47 ±30 22 2.52 8 160 1.65 1.6
SRU1038A-680Y 68 ±30 24 2.52 7 216 1.1 1.3
SRU1038A-101Y 100 ±30 24 0.796 6 300 1.0 1.1
SRU1038A-151Y 150 ±30 20 0.796 5 476 0.9 0.8
SRU1038A-221Y 220 ±30 22 0.796 4 740 0.65 0.65
SRU1038A-331Y 330 ±30 20 0.796 3 1000 0.55 0.52
LCR METER
100
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Asia-Paci c: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
**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
USER DIRECTION OF FEED
200
(7.874)
NO COMPONENT NO COMPONENT
COMPONENTS 400
(15.748)
START
4
(.157)
16
(.63)
END
SRF0504 Series - Line Filter
Packaging Speci cations
DIMENSIONS: MM
(INCHES)
QTY: 800 PCS. PER REEL
SRU1038A Series - Shielded Power Inductors
24
(.945)
08/13
Soldering Pro le Inductance vs. DC Current Plot
26 +0
(1.02 +0)
30.4
(1.20)
2.0 ± 0.5
(.079 ± .020)
50 -0
(1.969 -0)
330
(12.99)DIA.
13.0 ± 0.5
(.512 ± .020)DIA.
13.0 ± 0.5
(.512 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
200
Max. Peak Temperature -5 30 sec. max.
Max. Time Above 217 : 60~150 sec. max.
Peak Temperature 245 max.
250
150
200
100
50
0
Temperature (°C)
10050 150
Time (Seconds)
+4.0 °C/Sec. Max. 150~200 °C / 60~120 Sec. +3.0 °C/Sec. Max. -(1.0~5.0) °C/Sec. Max.
Temperature
Rising Area
Preheat
Area
Reflow
Area
Forced
Cooling Area
250
Peak Temperature: 245 °C
217 °C
60~120 Sec.
60 Sec.
Max.
60~150 Sec.
Inductance (µH)
1
10
0.1
100
1000
DC Current (A)
0.01 100.1 1
-100Y
-3R5Y
-101Y
-330Y
-1R5Y
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.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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