SD3812-R47-R Datasheet, PDF (2/3 Pages) Cooper Bussmann, Inc. – Low Profile, Shielded Inductors

SD38 Series
Low Profile, Shielded Inductors
Part Number
SD3814-820-R
SD3814-101-R
SD3814-151-R
SD3814-221-R
SD3814-331-R
SD3814-471-R
SD3814-681-R
Rated
Inductance
(µH)
82.0
100.0
150.0
220.0
330.0
470.0
680.0
OCL (1)
+/-15%
(µH)
81.101
98.794
149.026
217.342
326.812
470.031
680.320
Part
Marking
Designator
P
Q
R
S
T
U
V
(1) Test Parameters: 100KHz, 0.100Vrms, 0.0Adc.
(2) RMS current for an approximate ∆T of 40°C without core loss. It is
recommended that the temperature of the part not exceed 125°C.
De-rating is necessary for AC currents.
(3) Peak current for approximately 30% rolloff at 20°C.
Irms (2)
Amperes
0.270
0.228
0.191
0.170
0.136
0.111
0.100
Isat (3)
Amperes
0.296
0.268
0.219
0.181
0.148
0.123
0.102
DCR (4)
(Ω)
Typ.
2.174
3.048
4.359
5.480
8.59
12.85
15.78
Volt (5)
u-sec
Typ.
32
36
44
53
65
78
94
(4) DCR limits @ 20°C.
(5) Applied Volt-Time product (V-uS) across the inductor at 100kHz necessary to
generate a core loss equal to 10% of the total losses for 40°C temperature rise.
De-rating of the Irms is required to prevent excessive temperature rise.
Mechanical Diagrams
SD3812 Series
4.0
max
TOP VIEW
Pin #1 indicator
SIDE VIEW
Marking
1.2
(see note A)
max
1.25
±0.12
4.0
max
BOTTOM VIEW
4.8
MA X
3.65
typ
0.09 max
no plating
2.03
±.02
0.415 min
RECOMMENDED PCB LAYOUT
1.0
2 plcs
SCHEMATIC
2.5
2plcs
Note A: 3 digit marking. First digit indicates inductance value per chart above.
Second digit indicates bi-weekly date code.
Third digit of year produced. Box indicates SD3814 part.
SD3814 Series
TOP VIEW
Pin #1indicator
Marking
(see note A)
4.0 typ
5.0
SIDE VIEW
1.4
max
1.25
±0.12
4.0
4.0
max
max
RECOMMENDED PCB LAYOUT
1.0
2 plcs
BOTTOM VIEW
4.8
MA X
3.65
typ
0.09 max
no plating
2.03
±.02
0.415 min
SCHEMATIC
2.5
2 plcs
4.0 typ
5.0
Note A: 3 digit marking. First digit indicates inductance value per chart above.
Second digit indicates bi-weekly date code.
Third digit of year produced. Box indicates SD3814 part.