Stand-Off Type Pulse Transformers
E L E C T R O N I C S I N C .
EP157XX & EP157XX-LF
• UL94V0 Recognized Materials
• UL1446 Class B Insulating System
• Add “-LF” after part number for Lead-Free
• Storage Temperature : -40°C to +125°C
• Operating Temperature : 0°C to +70°C
• IR : 10 K megWMin. 500 Vdc
• Hipot : 500 Vdc
Electrical Parameters @ 25° C
PCA
Part
Number
Interwinding
Capacitance
(pF Max.)
Rise
Time
(nS Max.)
Turns
Ratio
(± 5%)
OCL
Sine Wave
(µH Min.)
Primary
Et-Constant
(V-µSec. Min.)
Leakage
Inductance
(µH Max.)
DCR
(WMax.)
Pri.
Sec.
Tert.
60
37
32
18
18
21
22
33
19
11
8
10.5
8.2
5.3
4.2
5.6
4.1
5.1
16
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
2:1:1
2:1:1
2:1:1
2:1:1
2:1:1
3:1:1
3:1:1
4:2:1
4:2:1
4:2:1
EP15760(-LF)
EP15761(-LF)
EP15762(-LF)
EP15763(-LF)
EP15764(-LF)
EP15765(-LF)
EP15766(-LF)
EP15767(-LF)
EP15768(-LF)
EP15769(-LF)
EP15770(-LF)
EP15772(-LF)
EP15777(-LF)
EP15779(-LF)
EP15782(-LF)
EP15783(-LF)
EP15784(-LF)
5000
2000
500
200
50
25
16
1.3
0.8
0.4
0.3
0.5
0.4
0.5
3.6
1.8
1.1
0.8
1.5
1.1
1.3
2.5
0.9
0.8
3.9
2.5
1.3
0.9
1.3
0.9
0.9
3.9
2.5
1.3
0.9
1.3
0.9
0.9
2.5
1.4
0.9
3.9
2.5
1.3
0.9
1.3
0.9
0.9
2.0
1.4
0.7
0.5
0.8
0.4
0.4
1.4
1.8
0.9
3.9
2.5
1.3
0.9
1.3
0.9
0.9
2.0
1.4
0.7
0.5
0.8
0.4
0.4
0.8
0.5
0.4
8.5
5.0
5.2
3.2
3.7
25
20
10
5000
2000
500
200
20
11
16
5.6
3.2
7.5
3.6
2.7
13
8.5
5.0
5.8
5.0
3.2
16
12
7
200
20
2000
500
200
6
20
13
8
4.7
3.7
8.5
5.0
Package
Schematic
5
3
6
4
5
3
1
6
4
2
PCA
EP157XX(-LF)
D.C.
.350
Max.
(8.89)
N3
N2
1
2
N1
3 Windings
.500 Max.
(12.70)
.250
Max.
(6.35)
.070 Min. (1.78)
.500 Min.
(12.70)
.020
(.508)
.400
(10.16)
.100
(2.54)
.200
(5.08)
Notes :
EP157XX
EP157XX-LF
1. Assembly Process (Solder Composition)
2. Peak Temperature Rating
SnPb
Hot Dipped Sn or SnCu
225°C
(10 +2/-0) Seconds
260°C
(10 +2/-0) Seconds
3. Weight
TBD grams
TBD grams
4. Packaging Information
(Tube)
TBD pcs / tube
TBD pcs / tube
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.
CS157XX & -LF Rev. 3 6/2/08 RR
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com