Delta Electronics SIL740 User Manual
SMT Power Inductor
SIL740 Type
Features
RoHS compliant.
Small size (6.6mm*6.6mm), low profile (4.0mm max. height) SMD type.
Magnetically shielded, suitable for high density mounting.
High energy storage and low DCR.
Provided with embossed carrier tape packing.
Ideal for power source circuits, DC-DC converter,
DC-AC inverters inductor application.
In addition to the standard versions shown here,
customized inductors are available to meet your exact requirements.
Mechanical Dimension:
C
B
RECOMMENDED PAD PATTERNS
7.3
Electrical Characteristics:
PART NO.
SIL740 - R66 0.66 0.006 6.20
SIL740 - 1R0 1.00 0.010 5.00
SIL740 - 1R5 1.50 0.012 4.00
SIL740A - 1R5 1.50 0.013 6.80
SIL740A - 2R0 2.00 0.015 5.80
SIL740 - 2R2 2.20 0.015 4.20
SIL740A - 2R8 2.80 0.024 5.00
SIL740 - 3R3 3.30 0.020 3.50
SIL740A - 3R6 3.60 0.025 4.50
SIL740A - 4R5 4.50 0.027 4.00
SIL740 - 4R7 4.70 0.024 3.00
SIL740 - 5R0 5.00 0.024 2.20
SIL740A - 5R2 5.20 0.031 3.50
SIL740 - 6R2 6.20 0.027 2.50
SIL740 - 7R4 7.40 0.031 2.30
SIL740 - 8R7 8.70 0.034 2.20
SIL740 - 100 10.00 0.038 2.00
SIL740 - 120 12.00 0.053 1.70
SIL740A - 120 12.00 0.070 2.20
SIL740 -150 15.00 0.057 1.60
SIL740A - 150 15.00 0.084 2.10
SIL740 - 180 18.00 0.092 1.50
SIL740A - 180 18.00 0.105 1.90
SIL740 - 220 22.00 0.096 1.30
SIL740A - 220 22.00 0.128 1.70
SIL740 - 270 27.00 0.109 1.20
SIL740 - 330 33.00 0.124 1.10
SIL740 - 390 39.00 0.138 1.00
SIL740 - 470 47.00 0.155 0.95
SIL740 - 560 56.00 0.202 0.85
SIL740 - 680 68.00 0.234 0.75
SIL740 - 820 82.00 0.324 0.70
SIL740 - 101 100.00 0.358 0.65
SIL740A - 271 270.00 1.050 0.50
1. Tolerance of inductance : 3 0%.
2. Irated is the DC current which cause the inductance drop less than 35% of its nominal inductance without current
and the surface temperature of the part increase less than 45 C.
3. Operating temperature: -20 C to 105 C (including self-temperature rise).
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
(uH)
A
o
25 C: 100KHz, 0.1V
1
L
DCR
( ) MAX
Irated
(Adc)
D
2
7.3
100.00
10.00
INDUCTANCE (uH)
1.00
0.00 0 . 0 1 0 .10 1.00 10.00
o
oo
252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.
TEL: 886-3-3591968; FAX: 886-3-3591991
http://www.deltaww.com
40
1.5
101
820
680
560
470
390
330
270
220
180
150
120
100
8R7
7R4
6R2
5R0
3R3
UNIT:mm/inch
UNIT:mm/inch
A = 7.0 / 0.276 Max.
B = 7.0 / 0.276 Max.
C = 4.0 / 0.157 Max.
D = 2.0 0.1 / 0.079 0.004
CURRENT (A)
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