YAGEO CORPORATION SMD INDUCTOR / BEADS
Shielded SMD
Power Inductors SCDS Series
SCDS - -
PRODUCT IDENTIFICATION
International No.
Tolerance
Inductance
Packaging Style
Dimensions
Product Symbol
SHAPES AND DIMENSIONS
APPLICATIONS
Power Supply for VTRs
OA Equipment
LCD Televisions
Notebook PCs
Portable Communication Equipment
DC / DC Converters, etc.
FEATURES
Available in Magnetically Dhielded
Low DC Resistance
Suitable for Large Currents
Ideal for a Variety of DC – DC Converter Inductor Applications
Available on Tape and Reel for Auto Surface Mounting
Dimensions : mm
• T : Packing : Tape and Reel
• HP : Low DCR
• LD : High Power
• Tolerance : K=r10% M=r20% T=r30%
• CEC Internal No.: B: Silver plated terminals
(3D12~6D38); S: Base type terminals
(2D11~2D18HP & 62T&127)
•Note : YAGEO will start to release SCD Series
inductor with lead-free terminals that meet
SONY SS-00259’s criterial for lead-free
product in Q2 of 2004, and YAGEO Internal
No will changed to “N” as identification.
Dimensions in mm Dimensions in mm
TYP E A B C D E F
SCDS2D11 3.2
+0
3.2
+0
1.2
+0
3.3 2.1 1.0
SCDS2D14 3.2
+0
3.2
+0
1.55
+0
3.3 2.1 1.0
SCDS2D18LD 3.2
+0
3.2
+0
2.0
+0
3.3 2.1 1.0
SCDS2D18HP 3.2
+0
3.2
+0
2.0
+0
3.3 2.1 1.0
TYP E A B C D
S CDS 2D11 1.3 1.7 1.3 4.3
S CDS 2D14 1.3 1.7 1.3 4.3
S CDS 2D18LD 1.3 1.7 1.3 4. 3
S CDS 2D18HP 1.3 1.7 1.3 4. 3
SCDS2D11/2D14/2D18LD/2D18HP
Shapes and Dimensions Recommended Pattern
SHAPES AND DIMENSIONS
ITEM A B C D E H I J
5D18 5.7 r 0.3 3.0 Max. 8.2 Max. 1.5 5.7r0.3 6.3 2.15 2.0
5D28 5.7 r 0.3 3.0 Max. 8.2 Max. 1.5 5.7r0.3 6.3 2.15 2.0
6D28 6.7 r 0.3 3.0 Max. 9.5 Max. 1.5 6.7r0.3 7.3 2.65 2.0
6D38 7.0 r 0.0 4.0 Max. 9.5 Max. 1.5 7.0r0.0 7.3 2.65 2.0
Dimensions : mm
C
DE
E
A B
A
H
I
I
J
Pad
Layout
SCDS 3D16
SCDS 3D12
Shapes and Dimensions Recommended Pattern
Shapes and Dimensions Recommended Pattern
A
B
1.0
C
D
Dimensions in mm
Dimensions in mm Dimensions in mm
Dimensions in mm Recommended Pattern
Dimensions in mm Dimensions in mm
TAPE A B C D
TAPE A B C D
SCDS3D16 4 Max. 4 Max. 1.8 Max. 5.2 Max.
TYPE A B C D
SCDS3D16 2.4 1.5 5.21.4
A
SCDS4D18 4.7 r 0.3 4.7 r 0.3 2.0 Max 6.9 Max
SCDS4D28 4.7 r 0.3 4.7 r 0.3 3.0 Max 6.9 Max
TYP E A B C
S CDS 4D18 1.9 1.5 5. 3
S CDS 4D28 1.9 1.5 5. 3
XXX
X X X
SCDS 4D18~6D38
TYP E A B C D
SCDS3D12 3.9 r 0.2 3.9 r 0.2 1.2 Max 6.2 Max
TYP E A B C D
SCDS3D12 4.6 1.6 1.4 4.6
ELECTRICAL CHARACTERISTICS
Standard Specifications
Inductance
(PH)
Stamp
D.C.R.(m:)Max. Rated Current(A)Max.
SCDS
2D11
1R0
1R2
1R5
1R8
2R2
2R4
2R5
2R7
3R0
3R3
3R5
3R8
3R9
4R1
4R2
4R7
5R0
5R2
5R3
5R4
5R5
5R6
6R0
6R1
6R2
6R8
7R0
7R3
7R4
7R6
8R2
8R6
8R7
8R9
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
221
271
331
391
471
1.0
1.2
1.5
1.8
2.2
2.4
2.5
2.7
3.0
3.3
3.5
3.8
3.9
4.1
4.2
4.7
5.0
5.2
5.3
5.4
5.5
5.6
6.0
6.1
6.2
6.8
7.0
7.3
7.4
7.6
8.2
8.6
8.7
8.9
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
68
98
123
170
260
400
SCDS
2D14
63
75
94
106
125
138
169
188
213
281
294
394
SCDS
2D18LD
41
54
78
106
180
220
320
460
660
SCDS
2D18HP
SCDS
3D16
52
72
85
105
170
210
295
430
675
SCDS
4D18
45
75
105
110
155
162
170
200
245
280
320
360
400
480
570
694
800
950
1080
1300
SCDS
4D28
23.6
27.5
31.3
43.3
49.2
64.8
72.0
100.9
108.9
117.5
128.3
131.6
149.0
166.0
235.0
261.0
331.3
383.7
587.0
624.5
699.0
914.8
1020
1270
1350
1540
SCDS
5D18
57
76
96
116
124
153
196
210
290
330
386
520
595
665
840
978
1200
SCDS
5D28
18
24
31
38
45
53
65
76
103
110
122
175
189
212
250
305
355
463
520
SCDS
6D28
24
27
31
35
54
58
65
70
84
95
128
142
165
210
238
277
304
390
535
SCDS
6D38
20
24
27
31
34
38
53
57
92
96
109
124
138
150
202
234
324
358
SCDS
2D11
0.90
0.78
0.60
0.50
0.44
0.35
SCDS
2D14
1.80
1.65
1.50
1.35
1.20
1.10
1.00
0.95
0.85
0.80
0.70
0.62
SCDS
2D18LD
0.85
0.75
0.63
0.52
0.43
0.35
0.30
0.24
0.20
SCDS
2D18HP
SCDS
3D12
1.54
1.32
1.12
0.90
0.72
0.66
0.60
0.57
0.49
0.47
0.41
0.37
0.34
0.30
0.28
0.23
SCDS
3D16
1.55
1.20
1.10
0.90
0.73
0.55
0.45
0.40
0.32
SCDS
4D18
1.72
1.32
1.28
1.04
0.88
0.84
0.80
0.76
0.68
0.61
0.56
0.50
0.48
0.41
0.35
0.32
0.30
0.28
0.26
0.24
SCDS
4D28
2.56
2.20
2.04
1.60
1.57
1.44
1.32
1.17
1.12
1.04
1.00
0.84
0.76
0.75
0.70
0.58
0.56
0.50
0.48
0.41
0.35
0.32
0.29
0.27
0.24
0.22
SCDS
5D18
1.95
1.40
1.25
1.20
1.10
0.97
0.85
0.80
0.75
0.65
0.57
0.54
0.50
0.43
0.41
0.36
SCDS
5D28
2.60
2.40
220
1.90
1.80
1.60
1.30
1.20
1.10
1.00
0.90
0.85
0.75
0.70
0.62
0.58
0.52
0.46
0.42
SCDS
6D28
3.00
2.60
2.40
2.25
2.10
1.85
1.70
1.55
1.40
1.32
1.20
1.05
0.97
0.86
0.80
0.73
0.65
0.60
0.54
SCDS
6D38
3.50
2.90
2.50
2.30
2.20
2.00
1.70
1.60
1.50
1.30
1.20
1.10
1.00
0.95
0.85
0.75
0.70
0.65
SCDS
3D12
40.1r30%
63.5r30%
83.5r30%
122r30%
172r30%
191r30%
218r30%
255r30%
408r30%
462r30%
502r30%
573r30%
801r30%
1207r30%
1358r30%
1911r30%
under development
under development
• Test Freq.(L): SCDS3D12/3D16:(100KHz/0.1V)
SCDS4D18: 1.0 ~ 8.2PH(7.96MHz/1V), 10 ~ 39PH(100KHz/1V)
SCDS2D11/2D14/2D18LD/4D28/104R/124: (100KHz/1V)
SCDS5D18/5D28/6D28: (10KHz/1V)
SCDS6D38: (10KHz/0.1V)
SCDS62: 3.3 ~ 8.2PH(7.96MHz/1V), 10~82PH(2.52MHz/1V), 100 ~ 330PH(1KHz/1V)
• SCDS3D12 Rated current : It makes rated current either when the value with 30% declining inductance or the generation of heat
becomes 30% near value by the rising one above another of thedirect current.
• Other type Rated current : The rate current indicastes the current when the inductance decreases to 65%. Over of it's nominal
value or D.C.current when the temperature rising 't =40ºC lower, whichever is lower.
• Test Instrument :L : HP4192A LF IMPEDANCE ANALYZER
RDC : CHEN HWA 502BC
Rated current: HP4284+42841A or Ch1061+CH301A
Tolerance Of Inductors
• SCDS2D11 1.5~10PHr 30%(T)
• SCDS2D14 1.5~12PHr 30%(T)
• SCDS2D18LD 2.2~4.7PHr 30%(T)
• SCDS3D12 1.0~39PHr 30%(T)
• SCDS3D16 1.5~33PHr 30%(T)
• SCDS4D18 1.0~68PHr 30%(T)
• SCDS4D28 1.2~180PHr 30%(T)
• SCDS5D18 4.1~100PHr 30%(T)
• SCDS5D28 2.5~100PHr 30%(T)
• SCDS6D28 3.0~100PHr 30%(T)
• SCDS6D38 3.3~100PHr 30%(T)
TYPICAL ELECTRICAL CHARACTERISTICS
Curves of SCD Series
Test Instruments : HP4291A Impedance / Material Analyzer
SCDS62, INDUCTANCE vs. FREQUENCY CHARACTERISTICS
0
100
50
150
250
200
300
1 1000 1000010010 100000
FREQUENCY (kHz)
L (uH)
10uH
180uH
47uH
SCDS64, INDUCTANCE vs. FREQUENCY CHARACTERISTICS
0
500
1500
1000
2000
L (uH)
1 100010010 10000
FREQUENCY (kHz)
100uH
330uH
560uH
0
400
300
200
100
500
600
700
0 0.4 0.6 0.80.2 1
IDC (A)
L (uH)
SCDS64, INDUCTANCE vs. IDC CHARACTERISTICS
100uH
560uH
330uH
SCDS73, INDUCTANCE vs. FREQUENCY CHARACTERISTICS
1 1000 1000010010 100000
L (uH)
0
100
200
300
400
FREQUENCY (kHz)
47uH
180uH
100uH
SCDS74, INDUCTANCE vs. FREQUENCY CHARACTERISTICS
L (uH)
0
500
1000
3000
2000
1500
2500
1 100010010 10000
FREQUENCY (kHz)
68uH
1000uH
470uH
0
800
600
400
200
1000
1200
1400
0 0.6 0.8 1 1.2 1.61.40.2 0.4 1.8
IDC (A)
L (uH)
SCDS74, INDUCTANCE vs. IDC CHARACTERISTICS
68uH
1000uH
470uH
SCDS73, INDUCTANCE vs. IDC CHARACTERISTICS
0
50
100
150
200
250
0 1.8
IDC (A)
L (uH)
0.6 0.8 1 1.2 1.61.40.2 0.4
47uH
180uH
100uH
SCDS62, INDUCTANCE vs. IDC CHARACTERISTICS
0
200
150
100
50
250
0 1.5 2 2.5 3 3.50.5 1 4
IDC (A)
L (uH)
10uH
180uH
47uH
TYPICAL ELECTRICAL CHARACTERISTICS
Curves of SCD Series
Test Instruments : HP4291A Impedance / Material Analyzer
SCDS124, INDUCTANCE vs. FREQUENCY CHARACTERISTICS
SCDS104R-220MS, INDUCTANCE vs. FREQUENCY CHARACTERISTICS
1 10010 1000
L (uH) L (uH)
0
400
200
600
800
1000
FREQUENCY (kHz)
FREQUENCY (kHz)
10uH
270uH
68uH
SCDS124, INDUCTANCE vs. IDC CHARACTERISTICS
0
50
100
150
200
300
250
1 9 13 175 7 11 15319
IDC (A)
L (uH) L (uH)
10uH
270uH
68uH
SCDS125, INDUCTANCE vs. FREQUENCY CHARACTERISTICS
1 1000 1000010010 100000
L (uH)
0
200
100
300
400
FREQUENCY (kHz)
10uH
220uH
47uH
SCDS127, INDUCTANCE vs. FREQUENCY CHARACTERISTICS
1 1000 1000010010 100000
L (uH)
0
4
2
6
8
10
FREQUENCY (kHz)
1.2uH
7.6uH
4.7uH
SCDS127, INDUCTANCE vs. IDC CHARACTERISTICS
0
2
4
6
8
10
0101520525
IDC (A)
L (uH)
1.2uH
7.6uH
4.7uH
SCDS125, INDUCTANCE vs. IDC CHARACTERISTICS
0
100
200
300
046810212
IDC (A)
L (uH)
10uH
220uH
47uH
0
40
60
80
100
0.001 0.01 0.1 1 10 100
SCDS104R-220M-S
0
5
10
15
20
25
012345
RATED CURRENT(A)
20
SCDS SERIES RELIABILITY TEST
1-1 MECHANICAL PERFORMANCE
NO. ITEM SPECIFICATION TEST CONDITIONS
1-1-1 Vibration Appearance : No Damage Test device shall be soldered on the substrate.
L Change : within r10% Oscillation Frequency : 10 to 55 to 10Hz for 1Min.
Q Change : within r30% Amplitude : 1.5mm
RDC : within Specification Time : 2Hrs. for each Axis (X, Y & Z), Total 6Hrs.
1-1-2 Resistance to Appearance : No Damage Pre-heating : 150qC, 1Min.
Soldering Heat Solder Composition : Sn/Pb = 63/37
Solder Temperature : 260 r 5qC
Immersion Time : 10 r 1Sec.
1-1-3 Solderability The electrodes shall be at least 90% covered Pre-heating : 150qC, 1Min.
with new solder coating. Solder Composition : Sn/Pb = 63/37
Solder Temperature : 230 r 5qC
Immersion Time : 4 r 1Sec.
1-2 ENVIRONMENTAL PERFORMANCE
NO. ITEM SPECIFICATION TEST CONDITIONS
1-2-1 Temperature Shock Appearance : No Damage 10 Cycles (Air to Air) 1 Cycles shall Consist of :
L Change : within r10% 30Min. Exposure to -55qC
L Change : within r30% 30Min. Exposure to -125qC
RDC : within Specification 15Sec. Max. Transition between Temperatures
Measured after Exposure in the Room Condition for 24Hrs.
1-2-2 Temperature Cycle One Cycle
Step Temperature (qC) Time (Min.)
1 -25 r 330
2 25 r 23
3 85 r 330
4 25 r 23
Total : 100 Cycles
Measured after Exposure in the Room Condition for 24Hrs.
1-2-3 Humidity Resistance Temperature : 40 r 2qC
Relative Humidity : 90 ~ 95%
Time : 1000Hrs.
Measured after Exposure in the Room Condition for 24Hrs.
1-2-4 High Temperature Temperature : 85 r 3qC
Resistance Relative Humidity : 20%
Applied Current : Rated Current
Time : 1000Hrs.
Measured after Exposure in the Room Condition for 24Hrs.
1-2-5 Low Temperature Temperature : -25 r 3qC
Resistance Relative Humidity : 0%
Time : 1000Hrs.
Measured after Exposure in the Room Condition for 24Hrs.
