Stand-Off Type Pulse Transformers
ELECTRONICS INC.
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 megΩ Min. 500 Vdc
• Hipot : 500 Vdc
Electrical Parameters @ 25° C
PCA
Part
Number
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)
OCL
Sine Wave
(µH Min.)
5000
2000
500
200
50
20
10
5000
2000
500
200
20
200
20
2000
500
200
Primary
Et-Constant
(V-µSec. Min.)
25
16
8.5
5.0
5.2
3.2
3.7
25
16
8.5
5.0
5.8
5.0
3.2
16
8.5
5.0
Interwinding
Capacitance
(pF Max.)
60
37
32
18
18
21
22
33
19
11
8
12
7
6
20
13
8
Leakage
Inductance
(µH Max.)
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
Rise
Time
(nS Max.)
10.5
8.2
5.3
4.2
5.6
4.1
5.1
16
11
5.6
3.2
7.5
3.6
2.7
13
4.7
3.7
Turns
Ratio
(± 5%)
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
Pri.
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
DCR
(Ω Max.)
Sec.
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
Tert.
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
Package
5
6
PCA
EP157XX(-LF)
3
4
D.C.
1
2
Schematic
5
6
N3
3
N2
1
N1
3 Windings
2
4
.350
Max.
(8.89)
.500 Max.
(12.70)
.250
Max.
(6.35)
.020
(.508)
.400
(10.16)
.500 Min.
(12.70)
.100
(2.54)
.200
(5.08)
Notes :
1. Assembly Process
(Solder Composition)
2. Peak Temperature Rating
3. Weight
4. Packaging Information
(Tube)
EP157XX
SnPb
225°C
(10 +2/-0) Seconds
TBD grams
TBD pcs / tube
EP157XX-LF
.070 Min. (1.78)
Hot Dipped Sn or SnCu
260°C
(10 +2/-0) Seconds
TBD grams
TBD pcs / tube
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.
CS157XX & -LF
Rev. 3
6/2/08 RR
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
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