Surface Mount Power Transformer
E L E C T R O N I C S I N C .
EPC3018G-EPC3019G
Features of the EFD15-6 Series
• Selected models can be used in SMPS Forward,
Push-Pull or Half & Full Bridge Topology
• UL1446 Class B Insulating System
• UL 94V-0 Recognized Material
• Very Low Core Loss Materials
• Very Low Leakage Inductance
Primary Specification
Part
Connection
DCR
Irms
Inductance
(µH 25ꢀ)
@ 0 Adc
Vt 1
Temp. Rise
@ Irms
Number
(Ω Max.)
(Amps)
(V-µSec. Max.)
(°C Typ.)
Series
Parallel
.083 xNs
.083 /Np
.083
4.4 /Ks
4.4 /Kp
1.8
2
2
62.5 xNs
62.5
39
39
39
39
39
39
131.8 x(Ns)
EPC3018G
EPC3019G
131.8
Single Wdg
Series
62.5
131.8
.057xNs
.057 /Np
.057
5.3 /Ks
5.3 /Kp
2.17
43 xNs
43
63.2 x(Ns)
63.2
Parallel
Single Wdg
43
63.2
•
Switching Frequency : Up to 1 MHz • Isolation : 500 Vrms •
Notes :
1. Ns = Number of series connections
2. Np = Number of parallel connections
3. Ks = Ns x 6/Ns
4. Kp = 6/Np
Package EFD15-6
Schematic
1
4
9
.028
Pin 1
I.D.
.646 Max.
(16.40)
(.700)
12
1
6
12
7
.098
2
5
8
PCA
EPC30XXG
D.C.
.709
(2.50)
.492
MAX.
(12.50)
11
(18.00)
3
6
7
10
1:1:1:1:1:1
.016
(.400)
.315 Max.
(8.00)
0°-8°
.072
(1.82)
.012
(.300)
.837
(21.25)
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.
CSC3018G-CSC3019G Rev. 2 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. ]