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SWITCHING  TRANSFORMER
EI SERIES

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SPECIFICATION AND MECHANICAL PHYSICAL DIMENSIONS
Part Number
Power max (W)
Freq. (KHz)
Ae
(mm2)
AW
(mm2)
A
(max)
B
(max)
C
(max)
D
(+/-0.5)
E
(+/-0.3)
F(OD)
(+/-0.1)
No. of Pins
PTEI250VA
37
50
40
42.5
26.5
17.5
22
12.5
5
0.8
8
PTEI250VB
37
50
40
42.5
28
22
22
15
5
0.8
10
PTEI280VA
60
50
86
39.4
29.5
26
23
17.5
5
0.8
12
PTEI300VA
95
50
111
43.2
32
26
29
20
5
0.8
12
PTEI300VB
95
50
111
43.2
32
26
29
17.5
5
0.8
10
PTEI300HA
95
50
111
43.2
32
31
27
25
5
0.8
12
PTEI330VA
125
50
118.5
88.8
35
30
32
22.5
5
0.8
12
PTEI330VB
125
50
118.5
88.8
35
32
33
22.5
5
0.8
14
PTEI350VA
119
50
101.4
88.7
37
26
32
20
5
0.8
12
PTEI350VB
119
50
101.4
88.7
37
27
35
20
5
0.8
10
PTEI400VA
195
50
148
108
42
31
36
22.5
5
0.8
12
PTEI400VB
195
50
148
108
42
31
36
25
5
1
12
PTEI400HA
195
50
148
108
42
36
32
28
5
1
12
PTEI400HB
195
50
148
108
42
36
32.5
26
5
0.8
14
PTEI500VA
344
50
230
170
52
42
47
27.5
5
1
12
PTEI500VB
344
50
230
170
52
42
47
30.5
5
1
18
PTEI600VA
404
50
247
294
62
46
46
35
7.5
1
12
VA and VB stand for Vertical Type, HA and HB stand for Horizontal Type