SM73818E Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – Dual Inductor

*RoHS ^COMPLIANT
Features
■ Small surface mount component
■ High quality toroidal core
■ Unit height of 5.2mm max.
■ Supplied in 16 mm conductive poly-
strene tape (SM73818AE)
■ Recommended for reflow solder
processing
SM73818AE- Dual Inductor
ModelSM73818AE is
currently available,
although not recom-
mended for new designs. Use
Model DR331.
Electrical Specifications (@ 25¡C)
Ls (1-4)...............51µH ± 30% @ 100KHz
0.1mA
Le (1-4) ....................2µH Max @ 100KHz
0.1mA [short (2-3)]
Turns Ratio .................................1:1 ±2%
Polarity..........................1,2@same phase
Hipot.............250VDC between windings
for 1 second
DCR (1-4) .........................0.3 ohms max.
DCR (2-3) .........................0.3 ohms max.
DCR typical .....................................0.1 Ω
Operating Temperature .....-40 to +135°C
Storage Temperature ........-40 to +135°C
Rated Current........100mA DC @ +125°C
Rated Voltage .................80VDC / 42VAC
LCP Thermal Plastic .................UL 94V-0
Terminal .....................................Cu/Ni/Sn
Weight ...............................................0.2g
Packaging......1500 pcs. per 330mm reel
Product Dimensions
5.2
(0.204)
MAX.
0° to 8°
5.32
(0.210)
1.92
(0.075)
0.25
(0.010)
2.49
(0.098)
0.6
(0.024)
1
4
6.0
(0.236)
2
3
7.1
(0.279)
9.2
(0.362)
DIMENSIONS: ^MM
(INCHES)
TOLERANCE: ± ^0.25
(0.010)
Typical Part Marking
PRODUCT
IDENTIFICATION
MARKING
818
YY
MM
DATE CODE
(YEAR & MONTH)
Schematic
1
4
2
3
Packaging Dimensions
Model
SM73818AE
W
16.00
(.630)
P
8.00
(.315)
E
1.75
(.069)
F
7.50
(.296)
D
1.55
(.061)
D1
1.50
(.059)
P0
4.00
(.158)
P2
2.00
(.079)
A0
6.22
(.245)
B0
9.60
(.378)
K0
5.50
(.216)
t
0.40
(.015)
P0
D
E
F
P2
D1
W
P
A0
REV. 10/05
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.