EPA3920

Flyback Transformer
EPA3920
ELECTRONICS INC.
• Used in Fuel Cell Applications
• Used in SMPS Flyback Topolgy
• Gapped Transformer
• Low Core Loss Material
• UL 94V-0 Recognized Components
• UL 1446 Class B Insulation System
• Works up to 200 KHz Switching Frequency
Primary Specification
Inductance
(µH ± 10%)
DCR
(Ω Typ.)
Turns Ratio
Leakage Inductance
(µH Typ.)
10 KHz, 0.1 Vrms
Isolation
(Vrms)
1 Minute
100 KHz, 0.1 Vrms
1 Minute
11
.0023
.0065
.200
1:1.5
1500
500
Pins 1,2,3 to 5,6,7
Pins 1,2,3 to 5,6,7
Pins 14,13,12 to 8,9,10
Pri. with Sec.Shorted
Pri. to Sec.
Pri. to Sec 1
Pri., Sec 1 to Core
Notes :
1. Primary Ipk = 45 Amp
2. Primary Irms = 28 Amp
3. Primary Average = 19 Amp
4. Secondary Ipk = 30 Amp
5. Secondary Irms = 20 Amp
6. Secondary Average = 14.5 Amp
7. Secondary Inductance = 26 µH
8. Vin = 24 Vac (16 Vdc Min./40 Vdc Max.)
9. Frequency = 90 KHz
Schematic
Sec.
14, 13, 12
Pri.
1, 2, 3
8, 9, 10
5, 6, 7
Package
2.19 Typ.
(55.63)
PCA
EPA3920
D.C
Pin 1
I.D.
1.74
Typ.
(44.45)
Side
.150 Min. (3.80)
.197
(5.00)
.048
(1.22)
.394
(10.01)
2.18
(55.37)
1.60
(40.64)
Bottom
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSA3920
Rev. -
8/21/02
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
Similar pages