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Quick Jump:
3-layer insulation wire

items
1-UEW
3-layer insulation wire-B
dimension(mm)
Overall dia.
0.440
0.600
Dia. Of conductor
0.400
0.400
Wall thickness
0.020
0.100
Break down voltage(kV)
3 layers
11.0
>15.0
Withstanding voltage (kV)[1min]
2 layers
-
9.5
Solderability [420]℃
(second)
2.0
2.0
Spark test
3000V(point/30m)
15,4,11
0,0,0
Heat shock
(150℃×1h)
2D
ID
Melting temp.
(℃)
270
231
Single way abrasion  
(N)
14,13
19.31
To and fro abrasion
(turns)
60
285
Static friction coefficient
 
0.133
0.125
Adhesion  
Shrink length(mm)
0.5
< 0.5
Chemical resistant
Mixed xylene 
5H
3H
Styrene 
5H
3H

Characteristics comparison between UEW wire an 3-layer insulation wire
Characteristics :

3-layer temperature rating from A to F (105——155℃)
Excellent insulation properties (test voltage: 3000Vrms,1min)
Solderable without stripping the insulator
suitable for high speed auto-rewinding machine
size from 0.2~1.0mm

construction

 
Insulator consists of heating resistant polyester and polyamide resins

Transformer comparison

Transformer with normal wire
 
Transformer with TEX-E wire
 

Physical comparison
 

For example, a 20 watt transformer with TIW wire,due to no need of inter-layer insulation and blocking gate,the volume is only 1/2 and the weight is about 2/3 as before,it will low down both raw material cost and the manufacturing cost.
 
3-layers insulation wire-size list

Conductor dia.(mm)
tolerance(mm)
Rating dia.(mm)
Max. dia.(mm)
Resistance (Ω/km)
0.20
±0.008
0.400
0.417
607.6
0.21
±0.008
0.410
0.427
549.0
0.22
±0.008
0.420
0.437
498.4
0.23
±0.008
0.430
0.447
454.5
0.24
±0.008
0.440
0.457
416.2
0.25
±0.008
0.450
0.467
382.5
0.26
±0.010
0.460
0.477
358.4
0.27
±0.010
0.470
0.487
331.4
0.28
±0.010
0.480
0.497
3.7.3
0.29
±0.010
0.490
0.507
285.7
0.30
±0.010
0.500
0.520
262.9
0.32
±0.010
0.520
0.540
230.0
0.35
±0.010
0.550
0.570
191.2



 
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