SRN4018-100M Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Semi-shielded Power Inductors

*RoHS ^COMPLIANT
Features
■ Semi-shielded construction
■ Miniature size
■ Low profile - 1.8 mm max.
■ Inductance range: 0.82 to 220 µH
■ High rated current - up to 4.0 A
■ RoHS compliant* and halogen free**
Applications
■ DC/DC converters
■ Notebook computers
■ Digital video cameras
■ HDDs
■ Cell phones
■ Televisions, LCD displays
SRN4018 Series - Semi-shielded Power Inductors
Electrical Specifications @ 25 °C
Bourns Part No.
SRN4018-R82Y
SRN4018-1R0Y
SRN4018-1R2Y
SRN4018-1R5Y
SRN4018-2R2M
SRN4018-2R7M
SRN4018-3R3M
SRN4018-4R7M
SRN4018-6R8M
SRN4018-100M
SRN4018-150M
SRN4018-220M
SRN4018-330M
SRN4018-470M
SRN4018-680M
SRN4018-101M
SRN4018-151M
SRN4018-221M
Inductance
@ 100 KHz/1 V
L (μH)
0.82
1.0
1.2
1.5
2.2
2.7
3.3
4.7
6.8
10
15
22
33
47
68
100
150
220
Tol. %
30
30
30
30
20
20
20
20
20
20
20
20
20
20
20
20
20
20
Soldering Profile
Preheat 100 sec. max.
260
200
150
60 sec. min.
DCR
(Ω)
Irms
Isat
Max.
(A)
(A)
0.019
4.0
4.7
0.023
3.7
4.2
0.025
3.5
4.0
0.032
3.1
3.5
0.044
2.9
3.0
0.052
2.3
2.4
0.066
2.2
2.3
0.084
1.9
2.0
0.118
1.5
1.6
0.180
1.3
1.4
0.264
1.0
1.1
0.348
0.9
0.95
0.552
0.7
0.75
0.780
0.6
0.62
1.128
0.5
0.50
1.596
0.42
0.45
2.400
0.32
0.35
3.552
0.28
0.30
10 sec. max.
20 sec.max.
Natural Cooling
General Specifications
Operating Temperature
................................. -25 °C to +120 °C
(Temperature rise included)
Storage Temperature .. -25 °C to +120 °C
Resistance to Solder Heat
...............................+260 °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
Coating .................Magnetic epoxy resin
Packaging..... 3000 pcs. per 13-inch reel
How to Order
SRN4018 - 100M
Model
Value Code (see table)
Product Dimensions
4.0 ± 0.2
(.157 ± .008)
4.0 ± 0.2
(.157 ± .008)
Electrical Schematic
Recommended Layout
4.55
(.179)
3.6
(.142)
1.5
(.059)
1.5
(.059)
DIMENSIONS:
MM
(INCHES)
1.8
(.071)
MAX.
* 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.
Customers should verify actual device performance in their specific applications.