Datasheet
–27–
EI 42
Printed circuit-board transformersOutput Capacity: 3.0 VA – 10.0 VA
BV EI 421 .... / 8.5 mm 3.0 VA 20.1 mm 26.2 mm 0.120 kg 40/50 pieces**
BV EI 422 .... /14.8 mm 6.0 VA 26.4 mm 32.3 mm 0.200 kg 40/50 pieces**
BV EI 423 .... / 20.0 mm
*
10.0 VA 32.1 mm 38.0 mm 0.250 kg 50 pieces
Frame size/Core height Output ta 70 °C/B h1 (mm) h2 (mm) Weight Packaging unit
EI 42 transformers, custom-made versions.
Parallel to the cataloged EI 42 series transformers, HAHN
also produces other variants, e.g. with integrated thermo fuse
or thermo switch, other housing-, fixing- and connective options
as well as non-encapsulated transformers.
Individual EI 42 transformer version
Dimensions in drawings:
– without tolerances ± 0.3 mm
– Soldering pins 0.6 x 0.8 mm
– *alternative version with connecting grid 27.5 mm
– Round pin Ø 0.8
– Soldering post 1.1 x 0.5
* Only in type ‘0‘ ** it depends on kind of cast housing
37
35±0.5
h1
h2
1.5±0.8
44
5±0.8
28
ø2.4
6±0.4
1
7
8
9
10
11
12
2
3
4
5
6
Type ‘0’ cast housing
with fixing band
38
45
3.5
5
6
10
26.8
65±0.5
55
6.7
9.1
33
Type ‘SV’ for
upright mounting
View looking onto pins
View looking onto pins
EI 42/14,8
BV EI 422 1320 6.0 2 230 1 – 5 1 x 6 1000 7 – 9 1 x 8.7
BV EI 422 1298 6.0 2 230 1 – 5 2 x 6 500 6 – 7/9 – 10 2 x 8.7
BV EI 422 1303 6.0 2 230 1 – 5 1 x 7.5 800 7 – 9 1 x 10.9
BV EI 422 1304 6.0 2 230 1 – 5 2 x 7.5 400 6 – 7/9 – 10 2 x 10.9
BV EI 422 1285 6.0 2 230 1 – 5 1 x 9 667 7 – 9 1 x 13.0
BV EI 422 1281 6.0 2 230 1 – 5 2 x 9 334 6 – 7/9 – 10 2 x 13.0
BV EI 422 1275 6.0 2 230 1 – 5 1 x 12 500 7 – 9 1 x 16.7
BV EI 422 1260 6.0 2 230 1 – 5 2 x 12 250 6 – 7/9 – 10 2 x 16.7
BV EI 422 1276 6.0 2 230 1 – 5 1 x 15 400 7 – 9 1 x 20.2
BV EI 422 1305 6.0 2 230 1 – 5 2 x 15 200 6 – 7/9 – 10 2 x 20.6
BV EI 422 1289 6.0 2 230 1 – 5 1 x 18 334 7 – 9 1 x 24.6
BV EI 422 1306 6.0 2 230 1 – 5 2 x 18 167 6 – 7/9 – 10 2 x 24.6
BV EI 422 1307 6.0 2 230 1 – 5 1 x 24 250 7 – 9 1 x 30.8
Total Frame Primary Connecting Secondary Current Connecting No-load
Order No. output VA Size voltage V pins prim. voltage V sec. mA pins sec. voltage V
25
37
44
h1
h2
3
2
A
B
D
C
1
4
5
8
7
6
9
10
Type ‘0’ cast housing
without fixing straps
View looking onto pins
Type „0“