SRN8040 Series Datasheet by Bourns Inc.

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Features
n Semi-shielded construction
n High rated current
n Component height: 4 mm
n Inductance range: 0.5 to 100 µH
n Rated current up to 10 A
n RoHS compliant* and halogen free**
Applications
n DC/DC converters
n Notebook computers
n Digital video cameras
n HDDs
n Cell phones
n Televisions, LCD displays
SRN8040 Series - Semi-shielded Power Inductors
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
**Bourns follows the prevailing definition of “halogen free” in the industry. 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.
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.
Operating Temperature
................................. -40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Resistance to Solder Heat
...............................+250 °C for 10 sec.
Temperature Rise .....40 °C at rated Irms
Rated Current
............ Inductance drops 30 % at Isat
Electrical Specifications @ 25 °C General Specifications
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ........................Sn/Ag/Cu
Coating .................Magnetic epoxy resin
Packaging ..... 1000 pcs. per 13-inch reel
Materials
Product Dimensions
Recommended Layout
Electrical Schematic
DIMENSIONS: MM
(INCHES)
How to Order
SRN8040 - 100M
Model
Value Code (see table)
Soldering Profile
8.15 ± 0.2
(.321 ± .008)
7.9 ± 0.2
(.311 ± .008)
8.2
(.323)
MAX.
REF.
REF.
4.0
(.157)
REF. 3.0
(.118)
3.0
(.118)
REF. 2.6
(.102) REF. 2.6
(.102)
8.0 ± 0.3
(.315 ± .012)
8.0 ± 0.3
(.315 ± .012)
8.2
(.323)
MAX.
REF.
REF.
REF.
4.0
(.157)
3.2
(.126)
3.0
(.118)
REF. 2.6
(.102) REF. 2.6
(.102)
Bourns Part No.
Inductance @
100 KHz / 1 V Q
(Ref.)
Test
Freq.
(MHz)
SRF
(MHz)
Typ.
DCR
(W)
Max.
Irms
(A)
Isat
(A)L (mH) Tol. %
SRN8040-R50Y 0.5 30 13 7.96 125 0.007 10 12
SRN8040-1R0Y 1.0 30 13 7.96 75 0.01 7.8 11
SRN8040-1R5Y 1.5 30 13 7.96 55 0.011 7 8.2
SRN8040-2R2Y 2.2 30 13 7.96 40 0.013 6.3 7.4
SRN8040-3R3Y 3.3 30 13 7.96 34 0.021 5.6 5.5
SRN8040-3R6Y 3.6 30 13 7.96 32 0.022 4.9 5.3
SRN8040-4R7Y 4.7 30 13 7.96 28 0.024 4.1 4.7
SRN8040-6R8Y 6.8 30 13 7.96 23 0.033 3.9 4.2
SRN8040-8R2Y 8.2 30 13 7.96 20 0.045 3.7 4
SRN8040-100M 10 20 20 2.52 18 0.05 3.1 3.4
SRN8040-150M 15 20 15 2.52 14 0.07 2.4 2.7
SRN8040-220M 22 20 20 2.52 12 0.1 2.2 2.2
SRN8040-330M 33 20 20 2.52 10 0.145 1.7 1.9
SRN8040-470M 47 20 15 2.52 9 0.19 1.4 1.5
SRN8040-680M 68 20 20 2.52 7 0.275 1.1 1.2
SRN8040-101M 100 20 10 0.796 6 0.4 1 1
Temperature (°C)
100
0
50
50
150
250
200
Rising Area
Temperature
±3.0 °C/sec. max.
Forced CoolingArea
6.0/secmax.°C
PeakTemperature:
Time (Seconds)
100150 200
40~90 sec.max.
250 °C +5/-10 °C, 5 sec. max.
150 ~ 200 °C / 60 - 180 sec.
PreheatArea
+1.5 ~3.0 °C
Reflow Area
250
217 °C Peak Temperature:
255 ° max.
Maximum Time Above 217 °C:
90 seconds
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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SRF0504 Series - Line Filter
Packaging Specifications
DIMENSIONS: MM
(INCHES)
REV. 03/20
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.
SRN8040 Series - Semi-shielded Power Inductors
18 +0
(.709 +0)
22.4
(.881)
2.0 ± 0.5
(.079 ± .020)
50.0 -0
(1.97 -0)
330
(12.992) DIA.
13.0 ± 0.5
(.512 ± .020) DIA.
13.0 ± 0.5
(.512 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
16.0
(.630)
USER DIRECTION OF FEED
800
(31.496)
LEADER
MIN.
NO COMPONENT
TRAILER
MIN.
NO COMPONENT
COMPONENTS
1000 PIECES PER REEL
2000
(78.470)
START
4.0
(.157)
12.0
(.472)
END
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
BOURNS'
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C1753 05/17/18R

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SMD SEMI-SHIELED POWER INDUCTOR