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Features
■ Semi-shielded construction
■ Inductance range: 0.47 to 10 µH
*R
oH
S
■ Rated current up to 1.45 A
■ AEC-Q200 qualified
■ Low profile: 0.8 mm max.
■ RoHS compliant* and halogen free**
SRN2508A Series - Semi-shielded Power Inductors
Inductance
@ 1 MHz / 0.1 V
Bourns Part No.
SRN2508A-R47M
SRN2508A-R68M
SRN2508A-1R0M
SRN2508A-1R5M
SRN2508A-2R2M
SRN2508A-3R3M
SRN2508A-4R7M
SRN2508A-6R8M
SRN2508A-100M
L (μH)
0.47
0.68
1.0
1.5
2.2
3.3
4.7
6.8
10
Electrical Schematic
Tol. %
±20
±20
±20
±20
±20
±20
±20
±20
±20
Q
@ 1 MHz
Typ.
10
10
10
10
10
10
10
10
10
SRF
(MHz)
Typ.
340
270
220
180
140
110
90
80
50
DCR
(Ω)
±20 %
0.080
0.100
0.120
0.170
0.210
0.300
0.400
0.670
0.930
Irms
(A)
Typ.
1.45
1.35
1.20
1.05
0.95
0.85
0.70
0.55
0.45
Isat
(A)
Typ.
2.50
2.05
1.75
1.65
1.40
1.10
0.90
0.75
0.55
How to Order
SRN2508A - R47M
Model
Operating Temperature
................................. -55 °C to +125 °C
(Temperature rise included)
Storage Temperature (Component)
................................. -55 °C to +125 °C
Temperature Rise .....40 °C at rated Irms
Rated Current
............ Inductance drops 30 % at Isat
Moisture Sensitivity Level .....................1
................. N/A
Materials
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Coating .................Magnetic epoxy resin
Packaging ....... 2000 pcs. per 7-inch reel
Product Dimensions
Value Code (see table)
2.5 +0.3/-0.1
(.098 +.012/-.004)
Recommended Layout
2.7
(.106)
REF.
2.0 +0.35/-0.05
(.079 +.014/-.002)
2.2
(.087)
REF.
0.8
(.031)
REF.
DIMENSIONS:
MM
(INCHES)
0.85
(.033)
REF.
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
0.85
(.033)
REF.
0.8
(.031)
REF.
DIMENSIONS:
MM
(INCHES)
0.8
(0.31)
MAX.
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
* RoHS Directive 2015/863, Mar 31, 2015 and Annex.
**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 his document, and at www.bourns.com/docs/legal/disclaimer.pdf
SRF0504
Filter
SRN2508ASeries
Series- Line
- Semi-shielded
Power Inductors
Inductance vs. Current
SRN2508A-R68M
SRN2508A-R47M
0.4
0.2
0
0.6
1.2
1.8
2.4
2.0
Inductance (μH)
Inductance (μH)
Inductance (μH)
0.6
0.9
0.6
0.3
0
0
3.0
0
0.5
DC Current (A)
SRN2508A-1R5M
1.5
2.0
0
1.0
0.5
0
1.0
1.5
3
2
1
0
SRN2508A-4R7M
0.8
1.2
1.6
0
0
DC Current (A)
1.2
0.6
0.9
1.2
1.5
SRN2508A-100M
20
9
6
3
15
10
5
0
0
0.9
0.3
DC Current (A)
Inductance (μH)
Inductance (μH)
2
0.6
1.5
SRN2508A-6R8M
4
0.3
3.0
0
0.4
12
6
2.0
4.5
DC Current (A)
8
1.5
SRN2508A-3R3M
0
2.0
1.0
6.0
DC Current (A)
0
0.5
DC Current (A)
Inductance (μH)
1.5
0.5
0.5
SRN2508A-2R2M
2.0
0
1.0
0
2.5
4
Inductance (μH)
Inductance (μH)
1.0
1.5
DC Current (A)
2.5
Inductance (μH)
SRN2508A-1R0M
1.2
0.8
0
0.2
0.4
0.6
DC Current (A)
0.8
1.0
0
0.2
0.4
0.6
DC Current (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 disclaimers as set forth on the last page of this document, and at www.bourns.com/legal/disclaimer.pdf.
0.8
SRF0504
Filter
SRN2508ASeries
Series- Line
- Semi-shielded
Power Inductors
Preheating
Soldering
Natural Cooling
TP (260 °C, 10 Sec. Max.)
Temperature (°C)
tp (245 °C, 20~40 Sec.)
200 °C
150°C
217 °C
60~150 Sec.
60~180
Sec.
480 Sec. Max.
25
Time (Seconds)
8.4 ± 1.0
(.331 ± .004)
4.0 ± 0.1
(.157 ± .004)
2.0 ± 0.05
(.079 ± .002)
2.74 ± 0.05
(.108 ± .002)
13.0 ± 0.8
(.512 ± .031)
8.0 ± 0.1
(.315 ± .004)
50.0
(1.969)
MIN.
1.4 ± 0.2
(.055 ± .008)
4.0 ± 0.05
(.157 ± .002)
178 ± 2.0
(7.008 ± .079)
DIMENSIONS:
0.23 ± 0.05
(.009 ± .002)
2.27 ± 0.05
(.089 ± .002)
MM
(INCHES)
USER DIRECTION OF FEED
QTY: 2000 PCS. PER REEL
10/17
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 disclaimers as set forth on the last page of this document, and at www.bourns.com/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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