Features
Applications
■ Semi-shielded construction
■ Component height: 2 mm max.
■ Inductance range: 1 to 33 µH
■ High rated current - up to 3.6 A
■ RoHS compliant* and halogen free**
■ DC/DC converters
■ Notebook computers
■ Digital video cameras
■ Televisions, LCD displays
SRN5020 Series - Semi-shielded Power Inductors
Electrical Specifications @ 25 °C
General Specifications
Operating Temperature
Inductance
DCR
@ 100 KHz/1 V
................................. -25 °C to +120 °C
(Ω)
Irms
(A)
Isat
(A)
(Temperature rise included)
Storage Temperature .. -25 °C to +120 °C
Resistance to Solder Heat
Bourns Part No.
SRN5020-1R0Y
SRN5020-1R5Y
SRN5020-2R2Y
SRN5020-3R3M
SRN5020-4R7M
SRN5020-5R6M
SRN5020-6R8M
SRN5020-100M
SRN5020-150M
SRN5020-220M
SRN5020-330M
L (μH)
1.0
1.5
2.2
3.3
4.7
5.6
6.8
10
Tol. %
30
Max.
0.025
0.031
0.042
0.058
0.072
0.106
0.108
0.144
0.198
0.312
0.516
3.60
3.20
2.90
2.40
2.0
1.80
1.65
1.45
1.20
1.00
0.90
4.00
3.35
2.90
2.40
2.00
1.80
1.60
1.30
1.10
0.90
0.80
30
30
20
20
20
20
...............................+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..... 2000 pcs. per 13-inch reel
20
20
15
22
33
20
20
Soldering Profile
How to Order
SRN5020 - 100M
Preheat 100 sec. max.
10 sec. max.
Model
Value Code (see table)
260
200
Product Dimensions
20 sec.max.
Natural Cooling
5.0 0.2
150
(.197 .00ꢀ)
60 sec. min.
5.0 0.2
(.197 .00ꢀ)
Recommended Layout
Electrical Schematic
6.3
(.24ꢀ)
5.7
(.224)
1.6
1.6
(.063)
(.063)
2.0
(.079)
MAX.
MM
(INCHES)
DIMENSIONS:
*
RoHS Directive 2002/95/EC Jan 27, 2003 including 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.
Customers should verify actual device performance in their specific applications.