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1.Features:
- Fully-encapsulated printed circuit board being able to be directly welded
and assembled, easy to use, perfect outline;
- Compact in structure, solid, vibration-proof, moisture-proof, flame-resistant,
and high dielectric strength;
- Higher power density with smaller size;
- Economical transformers in application, competitive price
2.Ambient Conditions:
- Ambient temperature: -10...+40°C;
- Relative humid <90% 40°C;
- Atmospheric pressure: 860~1060mbar (650~800mmHg approximately);
3.Insulation Rating: Class B (130°C).
4.Safety features:
- Dielectric resistance: >1000M in normal condition;
- Insulation withstand voltages: Better than GB/T15290 standard requirements.
- Fire retardancy: In conformity with UL94-Vo;
- Insulation impact strength: Continuously 10 times impact of 6KV (50HZ)/50μS;
5. Rated Power: 3.5VA
6. Rated Voltage:
1) Standard series:
Primary: 220V±10% 50Hz/60Hz
Secondary:
single output:6V, 7.5V, 9V, 12V, 15V, 18V, 21V, 24V, 27V;
double output:2x6V, 2x7.5V, 2x9V, 2x12V, 2x15V, 2x18V, 2x21V, 2x24V, 2x27V
2) Non-standard series: It can be customized based on customer's requirements.
7. Universal Technical Parameters of T3.5L Series Standard Product:
| No. |
Model |
Power |
Idle
Current |
Idle
Loss |
Voltage
Regulation
Ratio |
Temperature
Rise |
Weight
(g) |
Dimension
LxWxH
(mm3) |
| 10 |
T3.5L |
3.5VA |
<18mA |
<0.5W |
<20% |
<18°C |
135 |
44x36x26.5 |
8.Outline, Installation Dimension and Detailed Technical Parameters of T3.5L
| Primary pins |
Primary voltage |
Frequency |
Primary current |
| Rating |
Max. |
Idle |
Full load |
| 1-5 |
220V |
242V |
50Hz /60Hz |
<18mA |
<27mA |
| Model |
Windings |
Secondary voltage |
Secondary
current
(mA) |
Secondary
Pins |
Equivalent
internal
resistance
() |
| Idle |
Full load |
| T3.5L-01 |
 |
7.9V |
6V |
583 |
8-11 |
3.8 |
| T3.5L-01B |
9.9V |
7.5V |
467 |
5 |
| T3.5L-02 |
11.9V |
9V |
389 |
8.5 |
| T3.5L-03 |
15.8V |
12V |
292 |
15 |
| T3.5L-04 |
19.8V |
15V |
233 |
23.8 |
| T3.5L-05 |
23.8V |
18V |
194 |
34 |
| T3.5L-05B |
27.7V |
21V |
167 |
46.5 |
| T3.5L-06 |
31.7V |
24V |
146 |
61 |
| T3.5L-06B |
35.6V |
27V |
130 |
77 |
| T3.5L-07 |
 |
2x7.9V |
2x6V |
2x292 |
7-8
11-12 |
2x7.6 |
| T3.5L-07B |
2x9.9V |
2x7.5V |
2x233 |
2x12 |
| T3.5L-08 |
2x11.9V |
2x9V |
2x194 |
2x17 |
| T3.5L-09 |
2x15.8V |
2x12V |
2x146 |
2x30 |
| T3.5L-10 |
2x19.8V |
2x15V |
2x117 |
2x47.4 |
| T3.5L-11 |
2x23.8V |
2x18V |
2x97 |
2x68.6 |
| T3.5L-11B |
2x27.7V |
2x21V |
2x83 |
2x93 |
| T3.5L-12 |
2x31.7V |
2x24V |
2x73 |
2x121 |
| T3.5L-12B |
2x35.6V |
2x27V |
2x65 |
2x153 |
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