Mitsumi C8-R Transformers for inverter or converter Datasheet

MITSUMI
Transformers for Inverter or Converter
C8-R Series
Coils, Filters
OUTLINE
Choke coil for various kinds of electronic
equipment such as DC-DC converter, switching
power supply, power supply circuits for TV and
VCR and such., and other various kinds of
electronic equipment.
C8-R Series
C8-R4D
C8-R4L
C8-R5D
C8-R5L
C8-R6D
C8-R6L
FEATURES
1. Compact choke coils selectable from 4, 5, or 6mm in height.
2. A medium or large current can be flown according to the specifications.
3. Closed magnetic circuit (with a ring core) L type and open magnetic circuit (a drum core only) D type are
selectable.
4. These choke coils can be mounted automatically by reflow soldering with taping.
5. Owing to multiple terminals (7 terminals), a transformer containing many circuits can be designed.
SPECIFICATIONS
Models
H. length
(Unit : mm)
Inductance
Operational Frequency
Pcs/Reel
C8-R4D
C8-R5D
C8-R6D
C8-R4L
C8-R5L
C8-R6L
4 max.
5 max.
6 max.
4 max.
5 max.
6 max.
0.01~5mH
0.01~9mH
0.01~30mH
0.01~10mH
0.01~18mH
0.01~60mH
10~300kHZ
10~300kHZ
10~300kHZ
10~300kHZ
10~300kHZ
10~300kHZ
1000
1000
1000
1000
1000
1000
MITSUMI
Transformers for Inverter or Converter
DATA LIST
Inductance
(µH)
L
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
Rated DC Current
C8-R
4D
2.4
2.2
2.0
1.9
1.8
1.7
1.5
1.4
1.3
1.2
1.0
0.95
0.85
0.8
0.75
0.65
0.6
0.55
0.5
0.45
0.4
0.35
0.3
0.25
0.25
0.2
0.2
0.2
0.15
0.15
0.1
C8-R
4L
2.2
2.0
1.8
1.7
1.75
1.6
1.4
1.3
1.2
1.1
1.0
0.95
0.8
0.8
0.7
0.6
0.55
0.5
0.45
0.4
0.4
0.35
0.3
0.25
0.25
0.2
0.2
0.15
0.15
0.15
0.1
C8-R
5D
2.4
2.2
2.0
1.9
1.85
1.8
1.8
1.5
1.4
1.4
1.2
1.1
1.0
0.95
0.95
0.8
0.7
0.65
0.6
0.5
0.5
0.45
0.4
0.35
0.35
0.3
0.25
0.25
0.25
0.2
0.15
C8-R
5L
2.4
2.2
2.0
1.9
1.85
1.7
1.5
1.5
1.35
1.25
1.2
1.1
0.95
0.95
0.85
0.75
0.6
0.6
0.55
0.5
0.45
0.4
0.35
0.35
0.3
0.3
0.25
0.25
0.2
0.2
0.15
DC Resistance (Ω) max.
C8-R
6D
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
0.95
0.95
0.9
0.8
0.75
0.7
0.6
0.55
0.5
0.45
0.4
0.4
0.35
0.35
0.3
0.25
0.25
0.2
0.2
0.2
0.15
0.15
C8-R
6L
1.4
1.3
1.2
1.1
1.0
0.95
0.9
0.85
0.8
0.75
0.65
0.6
0.55
0.5
0.45
0.4
0.35
0.35
0.3
0.3
0.25
0.25
0.2
0.2
0.2
0.15
0.15
0.15
0.1
0.1
0.1
C8-R
4D
0.1
0.1
0.1
0.1
0.15
0.15
0.2
0.2
0.25
0.3
0.35
0.4
0.55
0.6
0.65
0.85
0.95
1.0
1.5
2.0
2.0
3.0
3.5
4.0
4.5
6.5
7.5
8.5
9.5
11
18
C8-R
4L
0.1
0.1
0.1
0.1
0.1
0.15
0.15
0.2
0.2
0.25
0.25
0.3
0.35
0.4
0.5
0.55
0.65
0.75
0.9
1.2
1.5
1.8
2.0
3.0
3.5
4.0
4.5
6.0
7.0
8.0
9.0
C8-R
5D
0.1
0.1
0.1
0.1
0.1
0.15
0.15
0.15
0.2
0.2
0.25
0.3
0.35
0.35
0.45
0.55
0.7
0.8
0.9
1.2
1.4
1.6
2.0
2.5
3.0
4.5
5.0
5.5
6.5
9.5
11
C8-R
5L
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.15
0.15
0.15
0.2
0.2
0.2
0.25
0.35
0.4
0.5
0.55
0.6
0.65
0.9
0.95
1.4
1.6
1.8
2.5
3.0
3.5
4.7
5.0
6.0
C8-R
6D
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.15
0.15
0.15
0.2
0.2
0.25
0.25
0.3
0.35
0.4
0.55
0.6
0.75
0.9
1.0
1.3
1.5
2.0
2.5
3.5
4.0
4.5
6.0
C8-R
6L
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.15
0.15
0.15
0.15
0.2
0.2
0.25
0.25
0.3
0.3
0.35
0.5
0.6
0.8
0.85
1.0
1.3
1.5
1.8
2.5
3.0
* The rated current is the current value reached when the inductance value has decreased by 10% from the intial in the DC superimposed characteristic.
DIMENSIONS
C8-R4D, 5D, 6D
C8-R4L, 5L, 6L
Unit : mm
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