Surface Mount Power Transformer
E L E C T R O N I C S I N C .
EPC3030G-EPC3107G
Features of the EFD20-6 Series
• Low Loss Material ensures operation in High Frequency
Switching Converters such as Flyback, Buck, Boost
Topology or as Coupled Inductors
• UL1446 Class B Insulating System
• UL 94V-0 Recognized Material
• Very Low Leakage Inductance
Primary Specification
Part
Connection
DCR
Idc
Inductance
(µH 20%)
@ 0 Adc
Inductance
Change
Vt 1
Temp. Rise
@ Idc
Number
(Ω Max.)
(Amps)
(V-µSec. Max.)
@ Idc (Typ.)
(°C Typ.)
Series
Parallel
.071 xNs
.071 /Np
.071
6.1 /Ks
6.1 /Kp
2.5
22.3 x(Ns) 2
27%
27%
7.5%
21%
21%
9%
98 xNs
98
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
39
34
34
34
23
23
23
14.4
14.4
14.4
EPC3030G
EPC3031G
EPC3032G
EPC3033G
EPC3034G
EPC3035G
EPC3036G
EPC3037G
EPC3055G
EPC3067G
EPC3107G
22.3
Single Wdg
Series
22.3
98
.047xNs
.047 /Np
.047
7.5 /Ks
7.5 /Kp
3.06
9.9 x(Ns)
9.9
2
65.3 xNs
65.3
Parallel
Single Wdg
Series
9.9
65.3
.071 xNs
.071 /Np
.071
6.1 /Ks
6.1 /Kp
2.5
12.0 x(Ns) 2
12.0
1%
98 xNs
98
Parallel
1%
Single Wdg
Series
12.0
0%
98
.047 xNs
.047 /Np
.047
7.5 /Ks
7.5 /Kp
3.06
5.3 x(Ns) 2
5.3
0.4%
0.4%
0%
65.3 xNs
65.3
Parallel
Single Wdg
Series
5.3
65.3
.071 xNs
.071 /Np
.071
6.1 /Ks
6.1 /Kp
2.5
9.65 x(Ns) 2
9.65
0%
98 xNs
98
Parallel
0%
Single Wdg
Series
9.65
0%
98
2
.047 xNs
.047 /Np
.047
7.5 /Ks
7.5 /Kp
3.06
4.3 x(Ns)
4.3
0%
65.3 xNs
65.3
Parallel
0%
Single Wdg
Series
4.3
0%
65.3
2
.071 xNs
.071 /Np
.071
6.1 /Ks
6.1 /Kp
2.5
7.63 x(Ns)
7.63
0%
98 xNs
98
Parallel
0%
Single Wdg
Series
7.63
0%
98
2
.047xNs
.047 /Np
.047
7.5 /Ks
7.5 /Kp
3.06
3.4 x(Ns)
3.4
0%
65.3 xNs
65.3
Parallel
0%
Single Wdg
Series
3.4
0%
65.3
.081xNs
.081 /Np
.081
5.2 /Ks
5.2 /Kp
2.1
27.4 x(Ns) 2
27.4
14%
14%
2%
113 xNs
113
Parallel
Single Wdg
Series
27.4
113
2
.071 xNs
.071 /Np
.071
4.0 /Ks
4.0 /Kp
1.6
31.7 x(Ns)
31.7
23%
23%
2%
98 xNs
98
Parallel
Single Wdg
Series
31.7
98
.071 xNs
.071 /Np
.071
2.2 /Ks
2.2 /Kp
0.9
50.0 x(Ns)
50.0
30%
30%
2%
98 xNs
98
Parallel
Single Wdg
50.0
98
•
Switching Frequency : Up to 1 MHz
•
Isolation : 500 Vrms
•
Package EFD20-6
Schematic
.028
Pin 1
I.D.
1
4
9
.854 Max.
(21.70)
(.700)
Notes :
1. Ns = Number of series connections
2. Np = Number of parallel connections
3. Ks = Ns x 6/Ns
1
6
12
12
7
.118
PCA
EPC30XXG
D.C.
2
5
8
(3.00)
4. Kp = 6/Np
.591
.835 Max.
(21.20)
(15.00)
11
3
6
7
10
.016
.425 Max.
(10.80)
0°-8°
1:1:1:1:1:1
(.400)
.080
(2.03)
.010
(.250)
1.128
(28.65)
Unless Otherwise Specified Dimensions are in Inches /mm
.010 /.25
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSC3030G-CSC3107G Rev. 4 12/18/02
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA [ PCA ELECTRONICS INC. ]