PL
IA
NT
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
F
RE
E
Applications
n
DC/DC converters
n
Notebook computers
n
Digital video cameras
n
HDDs
n
Cell phones
n
Televisions, LCD displays
*R
oH
S
C
OM
n
RoHS compliant* and halogen free**
LE
AD
Electrical Specifications @ 25 °C
Inductance @
100 KHz / 1 V
SRN8040 Series - Semi-shielded Power Inductors
General Specifications
Test
Freq.
(MHz)
SRF
(MHz)
Typ.
DCR
(W)
Max.
Irms
(A)
Isat
(A)
Bourns Part No.
SRN8040-R50Y
SRN8040-1R0Y
SRN8040-1R5Y
SRN8040-2R2Y
SRN8040-3R3Y
SRN8040-3R6Y
SRN8040-4R7Y
SRN8040-6R8Y
SRN8040-8R2Y
SRN8040-100M
SRN8040-150M
SRN8040-220M
SRN8040-330M
SRN8040-470M
SRN8040-680M
SRN8040-101M
L (mH)
0.5
1.0
1.5
2.2
3.3
3.6
4.7
6.8
8.2
10
15
22
33
47
68
100
Tol. %
30
30
30
30
30
30
30
30
30
20
20
20
20
20
20
20
Q
(Ref.)
13
13
13
13
13
13
13
13
13
20
15
20
20
15
20
10
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
0.796
125
75
55
40
34
32
28
23
20
18
14
12
10
9
7
6
0.007
0.01
0.011
0.013
0.021
0.022
0.024
0.033
0.045
0.05
0.07
0.1
± 0.3
8.0
(.315 ± .012)
0.145
0.19
0.275
0.4
10
7.8
7
6.3
5.6
4.9
4.1
3.9
3.7
3.1
2.4
2.2
1.7
1.4
1.1
1
Soldering Profile
Temperature
Rising Area
±3.0 °C/sec. max.
Preheat Area
150 ~ 200 °C / 60 - 180 sec.
Reflow Area
+1.5 ~ 3.0 °C
Forced Cooling Area
6.0 °C / sec max.
PeakTemperature:
250 °C +5/-10 °C, 5 sec. max.
8.0 ± 0.3
(.315 ± .012)
12
11
8.2
7.4
5.5
5.3
4.7
4.2
4
3.4
2.7
2.2
1.9
1.5
1.2
1
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
Materials
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ........................Sn/Ag/Cu
Coating .................Magnetic epoxy resin
Packaging ..... 1000 pcs. per 13-inch reel
How to Order
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
SRN8040 - 100M
Model
Value Code (see table)
Product Dimensions
8.0 ± 0.3
(.315 ± .012)
Peak Temperature:
255 ° max.
Temperature (°C)
250
200
150
100
50
40~90 sec.max.
217 °C
REF.
3.2
(.126)
4.0
Maximum Time Above 217 °C:
MAX.
(.157)
90 seconds
8.0 ± 0.3
(.315 ± .012)
0
50
100
150
200
250
Time (Seconds)
Electrical Schematic
Recommended Layout
REF.
3.0
(.118)
7.9 ± 0.2
(.311 ± .008)
4.0
MAX.
(.157)
8.2
REF.
(.323)
8.15 ± 0.2
(.321 ± .008)
REF.
2.6
(.102)
REF.
2.6
(.102)
REF.
3.0
(.118)
3.0
REF.
DIMENSIONS:
(.118)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
**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.
8.2
REF.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
(.323)
Users should verify actual device performance in their specific applications.
MM
(INCHES)
SRF0504 Series - Line Filter
SRN8040 Series - Semi-shielded Power Inductors
Packaging Specifications
330
DIA.
(12.992)
2.0 ± 0.5
(.079 ± .020)
22.4
(.881)
13.0 ± 0.5
(.512 ± .020)
DIA.
50.0 -0
(1.97 -0)
21.0 ± 0.8
(.827 ± .031)
13.0 ± 0.5
DIA.
(.512 ± .020)
18 +0
(.709 +0)
16.0
(.630)
4.0
(.157)
END
12.0
(.472)
START
800
(31.496)
MIN.
NO COMPONENT
LEADER
COMPONENTS
2000
(78.470)
MIN.
NO COMPONENT
TRAILER
USER DIRECTION OF FEED
1000 PIECES PER REEL
DIMENSIONS:
MM
(INCHES)
Asia-Pacific:
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
REV. EFFECTIVE 02/17
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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