SRN8040

T
PL
IA
N
M
CO
*R
oH
S
Features
Applications
■ Semi-shielded construction
■ DC/DC converters
■ High rated current
■ Notebook computers
■ Component height: 4 mm
■ Digital video cameras
■ Inductance range: 0.5 to 100 µH
■ HDDs
■ Rated current up to 10 A
■ Cell phones
■ RoHS compliant* and halogen free**
■ Televisions, LCD displays
SRN8040 Series - Semi-shielded Power Inductors
Electrical Specifications @ 25 °C
Inductance @
100 KHz / 1 V
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
General Specifications
L (μH)
Tol. %
Q
(Ref.)
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
30
30
30
30
30
30
30
30
30
20
20
20
20
20
20
20
13
13
13
13
13
13
13
13
13
20
15
20
20
15
20
10
Test
Freq.
(MHz)
SRF
(MHz)
Typ.
DCR
(Ω)
Max.
Irms
(A)
Isat
(A)
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
0.145
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
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
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
SRN8040 - 100M
Model
Soldering Profile
Temperature (°C)
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
Value Code (see table)
Temperature
Rising Area
Preheat Area
Reflow Area
±3.0 °C/sec. max.
150 ~ 200 °C / 60 - 180 sec.
+1.5 ~ 3.0 °C
Forced Cooling Area
Product Dimensions
6.0 °C / sec max.
PeakTemperature:
250 °C +5/-10 °C, 5 sec. max.
250
40~90 sec.max.
200
217 °C
150
8.0 ± 0.3
(.315 ± .012)
Peak Temperature:
255 ° max.
Maximum Time Above 217 °C:
90 seconds
100
8.0 ± 0.3
(.315 ± .012)
50
0
50
100
150
250
200
Time (Seconds)
Electrical Schematic
Recommended Layout
REF.
3.0
(.118)
4.0
MAX.
(.157)
3.2
REF.
(.126)
8.2
REF.
(.323)
REF.
2.6
(.102)
REF.
2.6
(.102)
DIMENSIONS:
MM
(INCHES)
*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.
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.
SRF0504
Filter
SRN8040 Series
Series -- Line
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.
21.0 ± 0.8
(.827 ± .031)
50.0 -0
(1.97 -0)
13.0 ± 0.5
DIA.
(.512 ± .020)
18 +0
(.709 +0)
12.0
(.472)
END
LEADER
16.0
(.630)
4.0
(.157)
START
COMPONENTS
TRAILER
2000
(78.470)
800
(31.496)
MIN.
NO COMPONENT
MIN.
NO COMPONENT
USER DIRECTION OF FEED
1000 PIECES PER REEL
DIMENSIONS:
MM
(INCHES)
Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
EMEA: Tel: +36 88 520 390 • Fax: +36 88 520 211
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
REV. 05/15
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.