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& oHS
AE C
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AP P
PR LI
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Features
■ Shielded construction
■ Inductance range: 3.5 to 100 µH
330
■ Rated current up to 5 A
■ AEC-Q200 qualified
■ RoHS compliant* and halogen free**
SRU8045A Series - Shielded Power Inductors
Inductance
@ 100 kHz /
0.1 V
L (μH) Tol. (%)
Bourns
Part Number
Q
(Ref.)
Test
Freq.
(MHz)
DCR (Ω)
SRF
(MHz)
Typ.
Typ.
I rms
(A)
Max.
I sat
(A)
SRU8045A-3R5Y
3.5
± 30
12
7.96
45
0.0188
0.025
5.00
5.00
SRU8045A-4R7Y
4.7
± 30
10
7.96
30
0.022
0.0275
4.60
4.40
SRU8045A-6R2Y
6.2
± 30
10
7.96
23
0.0285
0.036
4.20
3.80
SRU8045A-100Y
10
± 30
16
2.52
18
0.035
0.048
3.50
3.30
SRU8045A-220Y
22
± 30
18
2.52
12
0.094
0.122
2.25
2.15
SRU8045A-330Y
33
± 30
14
2.52
8
0.118
0.15
2.00
1.80
SRU8045A-470Y
47
± 30
12
2.52
6
0.215
0.27
1.45
1.40
SRU8045A-680Y
68
± 30
8
2.52
4
0.32
0.40
1.25
1.20
SRU8045A-101Y
100
± 30
20
0.796
3
0.40
0.50
1.00
0.92
Electrical Schematic
How to Order
Operating Temp. .......... -40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Temperature Rise .....40 °C at rated Irms
Rated Current
............ Inductance drops 35 % at Isat
Failure In Time (FIT) ........24.7/109 hours
Mean Time Between Failures (MTBF)
.................................. 40.4 x 106 hours
Materials
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging ..... 1000 pcs. per 13-inch reel
Product Dimensions
SRU8045A - 100Y
8.0 ± 0.3
(.315 ± .012)
Model
Value Code (see table)
8.0 ± 0.3
(.315 ± .012)
Temperature
Rising Area
Preheat
Area
Reflow
Area
Forced
Cooling Area
+4.0 °C/Sec. Max.
150~200 °C / 60~120 Sec.
+3.0 °C/Sec. Max.
-(1.0~5.0) °C/Sec. Max.
Temperature (°C)
250
4.5 ± 0.3
(.177 ± .012)
Peak Temperature
250
max.
Peak Temperature: 250 °C
217 °C
60~150 Sec.
200
Max. Peak
Temperature -5
30 sec. max.
60 Sec.
Max.
150
2.4
(.094)
TYP.
60~120 Sec.
100
Max. Time Above
217 :
60~150 sec. max.
50
0
6.4
TYP.
(.252)
50
100
150
200
3.20
(.126)
TYP.
250
2.4
TYP.
(.094)
Time (Seconds)
Recommended Layout
1.4
(.055)
1.4
(.055)
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
* 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. 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
1.4
(.055)
6.2
(.244)
6.2
(.244)
3.4
(.134)
1.4
(.055)
DIMENSIONS:
3.4
(.134)
MM
(INCHES)
SRF0504
Filter Power Inductors
SRU8045ASeries
Series- Line
- Shielded
Inductance vs. IDC
SRU8045A-3R5Y
SRU8045A-6R2Y
120
L @ 25 ℃
L @ 125 ℃
L @ 25 ℃
L @ 125 ℃
100
L / LOA (%)
80
60
40
20
0
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
0
0.3
0.6
IDC (A)
SRU8045A-330Y
1.2
1.5
1.8
SRU8045A-101Y
120
L @ 25 ℃
100
100
80
80
L / LOA (%)
L / LOA (%)
120
0.9
IDC (A)
60
40
L @ 125 ℃
60
40
20
20
L @ 25 ℃
L @ 125 ℃
0
0
0
0.16
0.32
0.48
0.64
0
0.80
0.20
0.40
0.60
0.80
1.00
IDC (A)
IDC (A)
Temperature vs. IDC
SRU8045A-3R5Y
80
T @ 25 ℃
60
60
ΔT (°C)
ΔT (°C)
SRU8045A-6R2Y
80
T @ 25 ℃
40
20
40
20
0
0
0
1
2
3
4
5
6
7
0
1
2
SRU8045A-330Y
70
4
5
6
SRU8045A-101Y
80.0
T @ 25 ℃
60
T @ 25 ℃
60.0
ΔT (°C)
50
ΔT (°C)
3
IDC (A)
IDC (A)
40
40.0
30
20
20.0
10
0
0
0.3
0.6
0.9 1.2
1.5
IDC (A)
1.8
2.1
2.4
2.7
0.0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
IDC (A)
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.
SRF0504
Filter Power Inductors
SRU8045ASeries
Series- Line
- Shielded
330
DIA.
(12.99)
2.0 ± 0.5
(.079 ± .020)
21.0 ± 0.8
(.827 ± .031)
22.4
(.882)
13.0 ± 0.5
(.512 ± .020)
DIA.
50.0
(1.969)
13.0 ± 0.5
DIA.
(.512 ± .020)
18
(.709)
16
(.630)
4
(.157)
END
START
12
(.472)
NO COMPONENT
200
(7.874)
NO COMPONENT
COMPONENTS
400
(15.748)
USER DIRECTION OF FEED
QTY: 1000 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 520 390 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
07/16
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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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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