EPA3920 Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – Flyback Transformer

ELECTRONICS INC.
Flyback Transformer
EPA3920
• 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
Inductance
(µH ± 10%)
10 KHz, 0.1 Vrms
11
Pins 1,2,3 to 5,6,7
Primary Specification
DCR
(Ω Typ.)
Leakage Inductance
(µH Typ.)
.0023
.0065
Pins 1,2,3 to 5,6,7 Pins 14,13,12 to 8,9,10
100 KHz, 0.1 Vrms
.200
Pri. with Sec.Shorted
Turns Ratio
1:1.5
Pri. to Sec.
Isolation
(Vrms)
1 Minute
1500
Pri. to Sec 1
1 Minute
500
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
Pri.
1, 2, 3
5, 6, 7
Sec.
14, 13, 12
8, 9, 10
Package
Pin 1
I.D.
2.19 Typ.
(55.63)
PCA
EPA3920
D.C
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 ^Bottom
(40.64)
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
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.
CSA3920 Rev. - 8/21/02
TEL: [phone]
FAX: [phone]
http://www.pca.com