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SD52 Series
High Power Density,
Low Profile, Shielded Inductors
Description
RoHS
2002/95/EC
• 125°C maximum total temperature operation
• Octagonal shape shielded drum core
• 2mm max height
• Inductance range from 1.2uH to 100uH
• Current range from 3.14 to 0.35 Amps
• Ferrite shielded, low EMI
• Ferrite core material
Applications
• Digital cameras, CD players, cellular phones, and PDAs
• PCMCIA cards
• GPS systems
Environmental Data
• Storage temperature range: -40°C to +125°C
• Operating ambient temperature range: -40°C to +125°C
(range is application specific).
• Solder reflow temperature: +260°C max. for 10 seconds
max.
Part Number
Rated
Inductance
(µH)
1.20
2.20
3.50
4.70
6.80
10.0
15.0
22.0
27.0
33.0
47.0
68.0
100
150
SD52-1R2-R
SD52-2R2-R
SD52-3R5-R
SD52-4R7-R
SD52-6R8-R
SD52-100-R
SD52-150-R
SD52-220-R
SD52-270-R
SD52-330-R
SD52-470-R
SD52-680-R
SD52-101-R
SD52-151-R
OCL (1)
+/-20%
(µH)
1.20
2.20
3.50
4.70
6.80
10.0
15.0
22.0
27.0
33.0
47.0
68.0
100
150
Packaging
• Supplied in tape and reel packaging, 3500 per reel
Part
Marking
Irms (2)
Amperes
Isat (3)
Amperes
A
B
C
D
E
F
G
H
J
K
L
M
N
O
2.33
1.98
1.73
1.63
1.39
1.11
0.97
0.86
0.73
0.70
0.58
0.47
0.39
0.31
3.14
2.30
1.82
1.64
1.28
1.11
0.88
0.73
0.65
0.61
0.50
0.42
0.35
0.28
DCR (4)
(Ω)
Typ.
0.0279
0.0385
0.0503
0.0568
0.0777
0.1215
0.1618
0.2042
0.2864
0.3074
0.4465
0.6829
1.0000
1.6100
(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.
(1) Open Circuit Inductance Test Parameters: 100KHz, 0.25Vrms, 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.
(3) Peak current for approximate 30% roll off at 20°C.
Mechanical Diagrams
BOTTOM VIEW
SD52 Series
1
TOP VIEW
RECOMMENDED PCB LAYOUT
5.2 max
Pin #1 indicator
5.6 max
m
Part marking
(See note A)
0.65
±0.10
5.2 m
max
Volt
u-sec
Typ.
1.49
2.03
2.57
2.84
3.65
4.19
5.27
6.35
7.16
7.70
9.32
11.21
13.37
17.00
1.3
2 plcs
SCHEMATIC
1
2.0
2 plcs
2
2
6.0
SIDE VIEW
2.0 max
m
A) Part Marking: Line 1: (1st digit indicates the inductance value per part marking
designator in chart above)
(2nd digit is a bi-weekly production date code)
(3rd digit is the last digit of the year produced)
Line 2: 52 (indicates the product size code)
SD52 Series
High Power Density,
Low Profile, Shielded Inductors
Packaging Information
4.00
SD52 Series
2.00 ± 0.05
1.5 Dia
min.
1.5 Dia.
+0.1/-0.0
1.75
A
2
3.0
10.2
0
B
Bo
12.0
+/-0.3
0
ACTUAL SIZE
SD52
5.50
Ko
Ao=5.72mm
Bo=5.72mm
Ko=2.30mm
A
A
Ao
80
8.0
SECTION A-A
Parts packaged on 13" Diameter reel,
3,500 parts per reel.
Direction of feed
Dimensions are in millimeters.
DC Current vs. Temperature
SD52-101
100.0
90.0
90.0
Temperature Rise (Deg. C)
Temperature Rise (Deg. C)
SD52-1R2
100.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
10.0
0.0
0.00
0.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0.10
0.20
Idc (A)
0.30
0.40
0.50
Idc (A)
Inductance Characteristics
OCL vs Isat
SD52
100
90
80
OCL (%)
70
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
% of Isat
90
100
110
120
130
140
0.60
0.70
SD52 Series
High Power Density,
Low Profile, Shielded Inductors
Core Loss
% of Losses from Irms (maximum)
Irms DERATING WITH CORE LOSS
%ofApplied
PM-4311 3/07
© Cooper Electronic
Technologies 2007
Volt-µSecond
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1225 Broken Sound Pkwy. Suite F Boca Raton, FL 33487
Tel: +1-561-998-4100 Toll Free: +1-888-414-2645 Fax: +1-561-241-6640
This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper Electronic
Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper
Electronic Technologies also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been
selected, it should be tested by the user in all possible applications.
Life Support Policy: Cooper Electronic Technologies does not authorize the use of any of its products for use in life support devices or systems without the
express written approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when
properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
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