SMD Power Inductor
CDRCH12D78B
Description
• Ferrite drum core construction.
• Magnetically shielded.
• L×W×H:12.5×12.5×8.0 mm Max.
• Product weight: 4.1g(Ref.)
• Moisture Sensitivity Level: 1
• RoHS compliance.
RoHS
Dimension - [mm]
Max.8.0
5.0
2.75
6.5
12.2±0.3
2.75
12.2±0.3
1.6
1.7
Series Mode
Packaging
• Carrier tape and reel packaging.
• 13.0”diameter reel
• 500pcs per reel
Applications
• Ideally used in LED modules, DC/DC
converters and 1:1 Transformer, etc.
Land pattern and Schematics - [mm]
Dual Inductor
Environmental Data
• Operating temperature range: -40℃~+125℃
(including coil’s self temperature rise)
• Storage temperature range: -40℃~+125℃
• Solder reflow temperature: 260 ℃ peak.
Parallel Mode
Page 1 of 7
Revised: 10-Jan-17
SMD Power Inductor
CDRCH12D78B
Electrical Characteristics
Part Name
Stamp
Inductance (μH)
[within] ※1
D.C.R. (Ω)
[Max.] ※2
Saturation
Current (A) ※3
Temperature rise
current (A) ※4
4.7±30%
40m(30m)
13.2(15.6)
3.9(4.4)
Dual
CDRCH12D78BNP-4R7NC
4R7
18.8±30%
80m(60m)
6.6(7.8)
2.8(3.1)
Series
4.7±30%
20m(16m)
13.2(15.6)
5.4(6.1)
Parallel
6.8±30%
46m(36m)
12.0(14.2)
3.6(4.1)
Dual
27.2±30%
92m(72m)
6.0(7.1)
2.6(3.0)
Series
6.8±30%
23m(18m)
12.0(14.2)
5.0(5.6)
Parallel
10±20%
54m(42m)
10.0(11.8)
3.2(3.6)
Dual
40±20%
108m(84m)
5.0(5.9)
2.3(2.6)
Series
10±20%
27m(21m)
10.0(11.8)
4.4(5.0)
Parallel
15±20%
72m(58m)
8.2(9.7)
2.8(3.2)
Dual
60±20%
144m(116m)
4.1(4.8)
2.0(2.3)
Series
15±20%
36m(29m)
8.2(9.7)
4.0(4.6)
Parallel
22±20%
96m(80m)
7.0(8.2)
2.3(2.6)
Dual
88±20%
192m(160m)
3.5(4.1)
1.6(1.8)
Series
22±20%
48m(40m)
7.0(8.2)
3.3(3.7)
Parallel
33±20%
144m(120m)
5.5(6.5)
1.8(2.1)
Dual
132±20%
290m(240m)
2.75(3.25)
1.3(1.5)
Series
33±20%
72m(60m)
5.5(6.5)
2.7(3.0)
Parallel
47±20%
186m(155m)
4.6(5.5)
1.5(1.7)
Dual
188±20%
372m(310m)
2.3(2.75)
1.1(1.3)
Series
47±20%
93m(77m)
4.6(5.5)
2.4(2.6)
Parallel
CDRCH12D78BNP-6R8NC
CDRCH12D78BNP-100MC
CDRCH12D78BNP-150MC
CDRCH12D78BNP-220MC
CDRCH12D78BNP-330MC
CDRCH12D78BNP-470MC
CDRCH12D78BNP-680MC
CDRCH12D78BNP-101MC
CDRCH12D78BNP-151MC
CDRCH12D78BNP-221MC
CDRCH12D78BNP-331MC
CDRCH12D78BNP-471MC
6R8
100
150
220
330
470
680
101
151
221
331
471
Mode
68±20%
266m(222m)
3.9(4.6)
1.3(1.5)
Dual
272±20%
532m(444m)
1.95(2.3)
0.94(1.05)
Series
68±20%
133m(111m)
3.9(4.6)
2.0(2.3)
Parallel
100±20%
384m(320m)
3.1(3.7)
1.10(1.25)
Dual
440±20%
768m(640m)
1.55(1.85)
0.78(0.88)
Series
100±20%
192m(160m)
3.1(3.7)
1.6(1.8)
Parallel
150±20%
648m(540m)
2.5(3.0)
0.83(0.95)
Dual
600±20%
1.29(1.08)
1.25(1.50)
0.60(0.68)
Series
150±20%
324m(270m)
2.5(3.0)
1.2(1.4)
Parallel
220±20%
936m(780m)
2.1(2.5)
0.68(0.78)
Dual
880±20%
1.87(1.56)
1.05(1.25)
0.48(0.55)
Series
220±20%
468m(390m)
2.1(2.5)
1.0(1.15)
Parallel
330±20%
1.35(1.17)
1.7(2.1)
0.56(0.64)
Dual
1320±20%
2.7(2.34)
0.85(1.05)
0.40(0.45)
Series
330±20%
675m(585m)
1.7(2.1)
0.83(0.94)
Parallel
470±20%
2.01(1.75)
1.5(1.75)
0.45(0.52)
Dual
1880±20%
4.02(3.50)
0.75(0.88)
0.31(0.35)
Series
470±20%
1005m(875m)
1.5(1.75)
0.67(0.76)
Parallel
※1 Measuring frequency inductance at 100 kHz.
※2 ( ) are typical value.
※3 Saturation current: The value of D.C. current when the inductance is over 70% of the initial value.
※4 Temperature rise current: The value of D.C. current when the temperature rise is △t=40℃.(Ta=20℃)
Page 2 of 7
Revised: 10-Jan-17
SMD Power Inductor
CDRCH12D78B
Saturation Current & Temperature Rise Graph - Dual inductor
△T
L (20℃)
L (μH)
1. CDRCH12D78BNP-4R7NC
△T (℃)
L (μH)
2. CDRCH12D78BNP-6R8NC
△T (℃)
L (μH)
3. CDRCH12D78BNP-100MC
△T (℃)
6
60
9.0
60
12
60
5
50
7.5
50
10
50
4
40
6.0
40
8
40
3
30
4.5
30
6
30
2
20
3.0
20
4
20
1
10
1.5
10
2
10
0
0
0.0
0
0
0
0
L (μH)
4
8
DC (A)
12
16
0
4. CDRCH12D78BNP-150MC
△T (℃)
L (μH)
3
6
9
DC (A)
12
15
0
5. CDRCH12D78BNP-220MC
△T (℃)
L (μH)
2
4
6
8
DC (A)
10
12
6. CDRCH12D78BNP-330MC
△T (℃)
18
60
24
60
36
60
15
50
20
50
30
50
12
40
16
40
24
40
9
30
12
30
18
30
6
20
8
20
12
20
3
10
4
10
6
10
0
0
0
0
0
0
0
L (μH)
2
4
6
DC (A)
8
10
0
7. CDRCH12D78BNP-470MC
△T (℃)
L (μH)
2
4
6
DC (A)
8
10
0
8. CDRCH12D78BNP-680MC
△T (℃)
2
L (μH)
4
DC (A)
6
8
9. CDRCH12D78BNP-101MC
△T (℃)
60
60
90
60
120
60
50
50
75
50
100
50
40
40
60
40
80
40
30
30
45
30
60
30
20
20
30
20
40
20
10
10
15
10
20
10
0
0
0
0
0
0
1
2
3
4
5
6
0
1
2
DC (A)
L (μH)
3
4
5
0
0
1
DC (A)
10. CDRCH12D78BNP-151MC
△T (℃)
L (μH)
2
3
4
DC (A)
11. CDRCH12D78BNP-221MC
△T (℃)
L (μH)
12. CDRCH12D78BNP-331MC
△T (℃)
180
60
240
60
360
60
150
50
200
50
300
50
120
40
160
40
240
40
90
30
120
30
180
30
60
20
80
20
120
20
30
10
40
10
60
10
0
0
0
0
0
0.0
0.8
1.6
DC (A)
2.4
3.2
0.0
0.5
1.0
1.5
DC (A)
Page 3 of 7
2.0
2.5
0
0.0
0.4 0.8
1.2 1.6
2.0 2.4
DC (A)
Revised: 10-Jan-17
SMD Power Inductor
CDRCH12D78B
L (μH)
13. CDRCH12D78BNP-471MC
△T (℃)
600
60
500
50
400
40
300
30
200
20
100
10
0
0
0.0
0.4
0.8
1.2
1.6
2.0
DC (A)
Saturation Current & Temperature Rise Graph - Series Mode
△T
L (20℃)
1. CDRCH12D78BNP-4R7NC
L (μH)
△T (℃)
L (μH)
24
60
30
60
48
60
20
50
25
50
40
50
16
40
20
40
32
40
12
30
15
30
24
30
8
20
10
20
16
20
4
10
5
10
8
10
0
0
0
0
0
0
2
4
6
8
10
2. CDRCH12D78BNP-6R8NC
△T (℃)
0
2
4
6
L (μH)
3. CDRCH12D78BNP-100MC
△T (℃)
0
8
0
2
4
6
8
DC (A)
DC (A)
DC (A)
4. CDRCH12D78BNP-150MC
L (μH)
△T (℃)
5. CDRCH12D78BNP-220MC
L (μH)
△T (℃)
6. CDRCH12D78BNP-330MC
L (μH)
△T (℃)
90
60
90
60
180
60
75
50
75
50
150
50
60
40
60
40
120
40
45
30
45
30
90
30
30
20
30
20
60
20
15
10
15
10
30
10
0
0
0
0
0
0
0
L (μH)
1
2
3
4
DC (A)
5
6
0
7. CDRCH12D78BNP-470MC
△T (℃)
L (μH)
1
2
3
DC (A)
4
5
0.0
8. CDRCH12D78BNP-680MC
△T (℃)
L (μH)
0.6 1.2
1.8 2.4 3.0 3.6
DC (A)
9. CDRCH12D78BNP-101MC
△T (℃)
240
60
300
60
420
60
200
50
250
50
350
50
160
40
200
40
280
40
120
30
150
30
210
30
80
20
100
20
140
20
40
10
50
10
70
10
0
0
0
0
0
0.0
0.5 1.0
1.5 2.0
DC (A)
2.5 3.0
0.0
0.5
1.0
1.5
2.0
2.5
0
0.0
0.4
0.8
1.2
1.6
DC (A)
DC (A)
Page 4 of 7
Revised: 10-Jan-17
2.0
SMD Power Inductor
CDRCH12D78B
L (μH)
10. CDRCH12D78BNP-151MC
△T (℃)
L (μH)
11. CDRCH12D78BNP-221MC
△T (℃)
L (μH)
12. CDRCH12D78BNP-331MC
△T (℃)
900
60
1200
60
1800
60
750
50
1000
50
1500
50
600
40
800
40
1200
40
450
30
600
30
900
30
300
20
400
20
600
20
150
10
200
10
300
10
0
0
0.0
0.3 0.6
0.9 1.2
0
1.5 1.8
0
0.0
0.3
DC (A)
L (μH)
0.6
0.9
1.2
0
1.5
0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
DC (A)
DC (A)
13. CDRCH12D78BNP-471MC
△T (℃)
2400
60
2000
50
1600
40
1200
30
800
20
400
10
0
0
0.0
0.2
0.4
0.6
0.8
1.0
DC (A)
Saturation Current & Temperature Rise Graph - Parallel Mode
L (20℃)
△T
L (μH)
1. CDRCH12D78BNP-4R7NC
△T (℃)
L (μH)
2. CDRCH12D78BNP-6R8NC
△T (℃)
L (μH)
3. CDRCH12D78BNP-100MC
△T (℃)
6
60
12
60
12
60
5
50
10
50
10
50
4
40
8
40
8
40
3
30
6
30
6
30
2
20
4
20
4
20
1
10
2
10
2
10
0
0
0
0
0
0
L (μH)
3
6
9
12
DC (A)
15
0
18
4
8
12
16
0
0
3
6
DC (A)
4. CDRCH12D78BNP-150MC
△T (℃)
L (μH)
9
12
15
DC (A)
5. CDRCH12D78BNP-220MC
△T (℃)
L (μH)
6. CDRCH12D78BNP-330MC
△T (℃)
18
60
24
60
36
60
15
50
20
50
30
50
12
40
16
40
24
40
9
30
12
30
18
30
6
20
8
20
12
20
3
10
4
10
6
10
0
0
0
0
0
0
2
4
6
DC (A)
8
10
12
0
2
4
6
DC (A)
Page 5 of 7
8
10
0
0
2
4
6
DC (A)
Revised: 10-Jan-17
8
SMD Power Inductor
CDRCH12D78B
L (μH)
7. CDRCH12D78BNP-470MC
△T (℃)
L (μH)
8. CDRCH12D78BNP-680MC
△T (℃)
L (μH)
9. CDRCH12D78BNP-101MC
△T (℃)
48
60
90
60
120
60
40
50
75
50
100
50
32
40
60
40
80
40
24
30
45
30
60
30
16
20
30
20
40
20
8
10
15
10
20
10
0
0
0
0
0
0
1
2
3
4
5
6
0
1
DC (A)
L (μH)
2
3
4
5
0
0
1
DC (A)
10. CDRCH12D78BNP-151MC
△T (℃)
L (μH)
2
3
4
DC (A)
11. CDRCH12D78BNP-221MC
△T (℃)
L (μH)
12. CDRCH12D78BNP-331MC
△T (℃)
180
60
240
60
360
60
150
50
200
50
300
50
120
40
160
40
240
40
90
30
120
30
180
30
60
20
80
20
120
20
30
10
40
10
60
10
0
0
0
0
0
0.0
0.6 1.2
1.8 2.4
3.0 3.6
0.0
DC (A)
L (μH)
600
0.5 1.0
1.5 2.0
DC (A)
2.5 3.0
0
0.0
0.4 0.8
1.2 1.6
2.0 2.4
DC (A)
13. CDRCH12D78BNP-471MC
△T (℃)
60
500
50
400
40
300
30
200
20
100
10
0
0
0.0
0.4
0.8
1.2
1.6
2.0
DC (A)
Page 6 of 7
Revised: 10-Jan-17
SMD Power Inductor
CDRCH12D78B
Solder Reflow Condition
T (℃)
300
250
Heat Endurance
T (℃)
300
250
260℃
230℃
200
100
50
0
50
0
60
120
180
240
230℃
40s
150
60
100
0
245℃ PEAK
200
10
150
Temperature Chart
300
T (s)
170±10 ℃,60~120s
0
60
120
180
240
300 T (s)
Please refer to the sales offices on our website - http://www.sumida.com
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Page 7 of 7
Revised: 10-Jan-17
CDRCH12D78BNP-220MC 价格&库存
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