ModelSM73818AE is
currently available,
Features
■ Small surface mount component
■ High quality toroidal core
■ Unit height of 5.2mm max.
although not recom-
mended for new designs. Use
Model DR331.
■ Supplied in 16 mm conductive poly-
strene tape (SM73818AE)
■ Recommended for reflow solder
processing
SM73818AE- Dual Inductor
Typical Part Marking
Electrical Specifications (@ 25¡C)
Product Dimensions
Ls (1-4)...............51µH 30% @ 100KHz
0.1mA
Le (1-4) ....................2µH Max @ 100KHz
0.1mA [short (2-3)]
PRODUCT
IDENTIFICATION
MARKING
5.2
(0.204)
MAX.
0.25
(0.010)
Turns Ratio.................................1:1 2%
Polarity..........................1,2@same phase
Hipot.............250VDC between windings
for 1 second
818
YY
0° to 8°
5.32
(0.210)
MM
1.92
(0.075)
DATE CODE
(YEAR & MONTH)
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
2.49
(0.098)
1
2
4
3
6.0
(0.236)
Schematic
0.6
(0.024)
1
2
4
3
7.1
(0.279)
9.2
(0.362)
0.25
(0.010)
MM
(INCHES)
TOLERANCE:
DIMENSIONS:
Packaging Dimensions
Model
W
P
E
F
D
D1
P0
P2
A0
B0
K0
t
16.00
(.630)
8.00
(.315)
1.75
(.069)
7.50
(.296)
1.55
(.061)
1.50
(.059)
4.00
(.158)
2.00
6.22
(.245)
9.60
(.378)
5.50
0.40
(.015)
SM73818AE
(.079)
(.216)
P0
P2
D
E
D1
F
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.