TOROIDAL CAST RESIN TRANSFORMERS FOR AUDIO USE
High efficiency toroidal transformers
CE certified
Standard Features

Power: 5 VA – 35 VA
Vector group:
Network frequency: 50/60 Hz
Thermal Class: B (120°C)
Over Temperature:
Ambient Temperature: max.60°C
Degree of Protection:
Insulation:
Class of Insulation: II

Common features of the series

-Low magnetic dispersed flow.
-High efficiency.
-Absence of vibrations and noises.
-Double primary 115V in standard execution to be connected in series or parallel (other voltages can be supplied on request).
-Double secondary (see table for standard execution/other voltages can be supplied on request) to be connected in series or parallel.
-Compact dimensions and low profile.
-Insulation class II.
-Thermal insulation class: B (120°C).
-Permissible ambient temperature: 60°C.
-High isolation between primary and sec. and to ground (tested at 4KV x 1′).

NB:

mechanical and / or electrical listed in the tables may be changed without notice

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POWER A = B C x d e weight
VA mm mm mm mm mm gr
5 49,7 23 45,7 4,53 1,99 145
7 160
10 29 242
15 60 26,3 55,9 4,53 1,99 302
20 32,3 393
25 37 442
35 72 38 66,04 5,52 3,00 580
40 625
50 640
POWER PRI. SEC. I2 Part number I0 P0 V SEC.0 Pcc DV DT η
5 VA 2x 115V 2x 7V 357mA 438TOR005.001 1,10 mA 0,11 W 2x 8,89V 1,22 W 21% 22°C 80%
2x 9V 278mA 438TOR005.002 2x 11,7V 1,38 W 22% 24°C 76%
2x 12V 208mA 438TOR005.003 2x 15,2V 1,31 W 21% 26°C 76%
2x 18V 139mA 438TOR005.004 2x 22,8V 1,37 W 20% 24°C 78%
2x 15V 167mA 438TOR005.005 2x 19,0V 1,36 W 21% 26°C 77%
7 VA 2x 115V 2x 7V 500mA 438TOR007.001 1,42 mA 0,14 W 2x 9,48V 2,18 W 21% 37°C 76%
2x 9V 389mA 438TOR007.002 2x 12,1V 2,50 W 23% 42°C 73%
2x 12V 292mA 438TOR007.003 2x 16,2V 2,51 W 23% 42°C 76%
2x 18V 194mA 438TOR007.004 2x 23,9V 2,22 W 21% 35°C 76%
2x 15V 233mA 438TOR007.005 2x 20,3V 2,51 W 23% 43°C 74%
10 VA 2x 115V 2x 7V 714mA 438TOR010.001 1,52 mA 0,16 W 2x 8,80V 2,70 W 20% 39°C 78%
2x 9V 556mA 438TOR010.002 2x 11,3V 2,66 W 19% 38°C 79%
2x 12V 417mA 438TOR010.003 2x 14,9V 2,67 W 19% 39°C 78%
2x 18V 278mA 438TOR010.004 2x 22,2V 2,59 W 18% 38°C 79%
2x 15V 333mA 438TOR010.005 2x 18,6V 2,74 W 20% 39°C 78%
15 VA 2x 115V 2x 7V 1070mA 438TOR015.001 2,11 mA 0,22 W 2x 8,73V 3,90 W 18% 40°C 79%
2x 9V 833mA 438TOR015.002 2x 11,1V 3,40 W 17% 37°C 81%
2x 12V 625mA 438TOR015.003 2x 14,5V 3,16 W 15% 36°C 82%
2x 18V 417mA 438TOR015.004 2x 22,1V 3,86 W 18% 40°C 79%
2x 15V 500mA 438TOR015.005 2x 18,1V 3,15 W 15% 36°C 82%
20 VA 2x 115V 2x 7V 1429mA 438TOR020.001 2,22 mA 0,25 W 2x 8,21V 4,33 W 17% 34°C 82%
2x 9V 1111mA 438TOR020.002 2x 10,9V 4,29 W 17% 33°C 83%
2x 12V 833mA 438TOR020.003 2x 14,2V 4,28 W 16% 33°C 83%
2x 18V 556mA 438TOR020.004 2x 21,5V 4,30 W 17% 44°C 84%
2x 15V 667mA 438TOR020.005 2x 17,6V 4,23 W 17% 33°C 82%
25 VA 2x 115V 2x 7V 1790mA 438TOR025.001 2,30 mA 0,25W 2x 8,26V 4,66 W 16% 34°C 84%
2x 9V 1389mA 438TOR025.002 2x 10,5V 4,67W 16% 31°C 84%
2x 12V 1042mA 438TOR025.003 2x 14,2V 4,90 W 16% 33°C 83%
2x 18V 694mA 438TOR025.004 2x 21,1V 4,65 W 16% 31°C 84%
2x 15V 833mA 438TOR025.005 2x 17,5V 4,63 W 16% 31°C 84%
35 VA 2x 115V 2x 7V 2500mA 438TOR035.001 6,55 mA 0,34W 2x 8,05V 8,20 W 18% 34°C 85%
2x 9V 1944mA 438TOR035.002 2x 10,6V 8,22 W 18% 35°C 84%
2x 12V 1458mA 438TOR035.003 2x 14,1V 8,21 W 18% 34°C 85%
2x 18V 972mA 438TOR035.004 2x 20,8V 8,20 W 18% 36°C 86%
2x 15V 1166mA 438TOR035.005 2x 17,5V 8,21 W 18% 35°C 84%
40 VA 2x 115V 2x 7V 2857mA 438TOR040.001 7,40 mA 0,35W 2x 8,1V 6,12 W 15% 34°C 87%
2x 9V 2222mA 438TOR040.002 2x 10,5V 6,22 W 16% 37°C 87%
2x 12V 1667mA 438TOR040.003 2x 14,0V 6,22 W 16% 37°C 87%
2x 18V 1111mA 438TOR040.004 2x 20,1V 6,20 W 16% 37°C 87%
2x 15V 1333mA 438TOR040.005 2x 17,4V 6,00 W 15% 36°C 87%
50 VA 2x 115V 2x 7V 3571mA 438TOR050.001 8 mA 0,40W 2x 8,0V 6,60 W 14% 39°C 88%
2x 9V 2778mA 438TOR050.002 2x 10,4V 6,80 W 15% 41°C 88%
2x 12V 2083mA 438TOR050.003 2x 13,8V 6,83 W 15% 41°C 87%
2x 18V 1389mA 438TOR050.004 2x 20,8V 6,84 W 14% 40°C 88%
2x 15V 1667mA 438TOR050.005 2x 17,3V 6,94 W 14% 41°C 88%