SD8328-470-R COILTRONICS, SD8328-470-R Datasheet
SD8328-470-R
Manufacturer Part Number
SD8328-470-R
Description
INDUCTOR POWER, 20UH, 7.8A, PCB
Manufacturer
COILTRONICS
Datasheet
1.SD8328-100-R.pdf
(3 pages)
Specifications of SD8328-470-R
Dc Resistance Max
0.194ohm
Dc Current Rating
1.3Arms
Core Material
Ferrite
Inductor Case Style
SMD
No. Of Pins
2
Inductance
47µH
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SD8328-470-R
Manufacturer:
COOPER
Quantity:
20 000
Description
• 125°C maximum temperature operation
• Low profile surface mount inductor
• 8.3mm x 9.5mm x 3.0mm shielded drum core
• Ferrite core material
• Inductance range from 2.7µH to 100µH
• Current range from 6.6 Amps to 0.8 Amps
• Frequency range up to 1MHz
Applications
• Buck or Boost inductor
• Noise filtering output filter chokes
• Notebook power/display
• LCD Monitors/Displays/Televisions
• Battery chargers, LCD bias supplies
• Battery and Industrial power systems
• Computer, DVD players
• Portable power devices, DC-DC converters
Environmental Data
• Storage temperature range: -40°C to +125°C
• Operating temperature range: -40°C to +125°C
• Solder reflow temperature: +260°C max. for 10 seconds
(1) Open Circuit Inductance Test Parameters: 100kHz, 0.1V, 0.0Adc.
(2) Irms: DC current for an approximate ∆T of 40°C without core loss. Derating is
(3) Isat Amperes peak for approximately 35% rolloff (@25°C)
Mechanical Diagrams
Dimensions are in millimeters.
xxx = Inductance value in uH. R = decimal point. If no R is present third character = # of zeros. wwllyy = Date code, R = Revision level.
Part Number
SD8328-2R5-R
SD8328-3R3-R
SD8328-4R7-R
SD8328-7R3-R
SD8328-100-R
SD8328-150-R
SD8328-220-R
SD8328-330-R
SD8328-470-R
SD8328-680-R
SD8328-101-R
(range is application specific)
maximum
necessary for AC currents. PCB layout, trace thickness and width, air-flow, and
proximity of other heat generating components will affect the temperature rise. It
is recommended that the temperature of the part not exceed 125°C under worst
case operating conditions verified in the end application.
1
2
wwlly R
TOP VIEW
XXX
max
8.3
max
Inductance
9.5
Rated
(µH)
100
2.5
3.3
4.7
7.3
10
15
22
33
47
68
BOTTOM VIEW
2.5
typ
µH±30%
OCL (1)
14.5
21.1
31.9
44.9
64.2
97.0
2.7
3.4
5.0
7.6
9.1
6.3
typ
1.2
typ
Amperes
Irms(2)
2.35
1.85
1.45
1.30
0.98
0.80
6.6
6.1
4.5
3.4
3.3
2002/95/EC
FRONT VIEW
RoHS
LEFT VIEW
(4) K-factor: Used to determine B p-p for core loss (see graph).
(5) Part Number Definition: SD8328-xxx-R
Packaging
• Supplied in tape and reel packaging, 1280 per reel
Amperes
Isat (3)
B p-p = K*L*∆I, B p-p(mT), K: (K factor from table), L: (Inductance in µH),
∆I (Peak to peak ripple current in Amps).
SD8328 = Product code and size; -xxx = Inductance value in uH;
R = decimal point; If no R is present, third character = # of zeros.
-R suffix = RoHS compliant
4.5
4.0
3.6
2.9
2.6
2.0
1.7
1.4
1.2
1.0
0.8
max
3.0
RECOMMENDED PCB LAYOUT
mΩ @20°C
(Typical)
DCR (Ω)
1.8
Low Profile Power Inductors
120
150
220
330
12
14
19
30
36
53
76
2.9
5.7
mΩ @20°C
(Maximum)
DCR (Ω)
15.6
18.0
24.7
156
194
286
430
39
45
69
99
SD8328 Series
SCHEMATIC
1
2
K-factor
7.2
4.9
3.3
2.3
1.6
1.1
(4)
43
33
23
15
11
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SD8328-470-R Summary of contents
Page 1
... SD8328-100-R 10 SD8328-150-R 15 SD8328-220-R 22 SD8328-330-R 33 SD8328-470-R 47 SD8328-680-R 68 SD8328-101-R 100 (1) Open Circuit Inductance Test Parameters: 100kHz, 0.1V, 0.0Adc. (2) Irms: DC current for an approximate ∆T of 40°C without core loss. Derating is necessary for AC currents. PCB layout, trace thickness and width, air-flow, and proximity of other heat generating components will affect the temperature rise recommended that the temperature of the part not exceed 125° ...
Page 2
... B 1 XXX wwlly R A1 12.0 Ao User direction of feed Ao=9.5 mm Bo=10.0 mm A1=8.5 mm B1=9.7 mm Ko=3 Bp-p (mT) SD8328 Series Low Profile Power Inductors 1.5 dia min A 1.75 7.5 16.0 A Parts packaged on 13" Diameter reel, 1,280 parts per reel. 500kHz 300kHz 1MHz 200kHz 100kHz 100 ...
Page 3
... Total Power Loss (W) OCL Vs. Isat +85 Deg.C +25 Deg.C -40 Deg.C 20.0% 40.0% 60.0% % Isat SD8328 Series Low Profile Power Inductors 0.8 1.0 80.0% 100.0% 120.0% ...