Triple Insulated Litz Wire-ETFE FEP and FPA insulation optional

Triple insulated Litz wire is increasingly recognized for its ability to enhance performance.Especially micro litz wire,such as 30AWG-40AWG,big size (such as 13AWG avaible too).tripple insulation enhance its electronic performance and mechanical performance .

Not only mirco litz wire need to be triple insulated. Big section area litz wire can also use 3 layers insulation to enhace their performance

Solid conductor Triple Insulated litz wire micro
Solid conductor Triple Insulated litz wire micro
Type 1 litz wire with 7 strand 0.226 enamelled wire 3 Layer PFA insulation OD 0.97mm
Type 1 litz wire with 7 strand 0.226 enamelled wire 3 Layer PFA insulation OD 0.97mm
Triple Insulated Litz Wire-ETFE FEP and FPA insulation optional
Triple Insulated Litz Wire-ETFE FEP and FPA insulation optional

Understanding Triple Insulated Litz Wire

Triple insulated Litz wire consists of  one single conductor or multiple insulated conductors twisted together, surrounded by three layers of insulation. This construction significantly reduces energy losses and minimizes signal distortion, making it ideal for applications such as transformers, motors, and high-frequency communication devices.

Triple insulated Litz wire presents a powerful solution for high-frequency applications, balancing the challenges of design and production with significant benefits. As a manufacturer specializing in this technology（only only triple insulated litz wire,double insulated litz wire available too ）, we offer customized solutions using ETFE, PFA, and FEP insulation materials, along with free samples to help you make informed decisions. By choosing triple insulated Litz wire, you can enhance the performance and reliability of your electrical systems.

 

Following are some Single insulated,Double insulated and triple insulated litz wire

Insulation Thickness:

  • PFA:0015″ min per layer
  • FEP:002″ min per layer
  • ETFE:0015″ min per layer

Voltage Rating: 

  • single layer 600 Vpk
  • Double layers 1000 Vpk
  • Triple layers 1000 Vpk

 

Temperature Rating: 

  • PFA:UL/VDE Class H 180℃
  • FEP:UL/VDE Class H 180℃
  • ETFE:UL/VDE Class F 155℃

Dielectric Strength: 

  • PFA:2000V/mil nominal
  • FEP:2000V/mil nominal
  • PFA:1800V/mil nominal

ConductorSingle InsulatedDouble InsulatedTriple Insulated
AWGOD(m m)DC ResistancePart Num berOD(mm)Part NumberOD(mm)Part NumberOD(mm)
BareTinned
181.026.5166.995　


　


YL18D1.5PXXTC1A1.176YL 18T 1.5PXXXTC1A1.252
190.9128.2118.815YL19D1.5PXXTC1A1.064YL 19T1.5PXXXTC1A1.140
200.81310.3311.09YL20D1.5PXXTC1A0.965YL 20T1.5PXXXTC1A1.041
210.72413.0313.99YL21D1.5PXXTC1A0.876YL 21T1.5PXXXTC1A0.952
220.64316.5317.75YL22S1.5PXTC1A0.719YL22D1.5PXXTC1A0.795YL 22T1.5PXXXTC1A0.871
230.57420.7222.24YL23S1.5PXTC1A0.65YL23D1.5PXXTC1A0.7 26YL 23T1.5PXXXTC1A0.802
240.51126.1928.12YL24S1.5PXTC1A0.587YL24D1.5PXXTC1A0.663YL 24T1.5PXXXTC1A0.739
250.45533.0335.46YL25S1.5PXTC1A0.531YL25D1.5PXXTC1A0.607YL 25T1.5PXXXTC1A0.683
260.40441.8644.94YL 26S1.5PXTC1A0.48YL26D1.5PXXTC1A0.556YL 26T 1.5PXXXTC1A0.632
270.36152.4856.34YL27S1.5PXTC1A0.437YL27D1.5PXXTC1A0.513YL 27T1.5PXXXTC1A0.589
280.3266.6671.56YL28S1.5PXTC1A0.396YL28D1.5PXXTC1A0.472YL 28T1.5PXXXTC1A0.548
290.28782.8888.97YL29S1.5PXTC1A0.363YL29D1.5PXXTC1A0.4 39YL 29T1.5PXXXTC1A0.515
300.254105.8113.6YL30S1.5PXTC1A0.33YL30D1.5PXXTC1A0.406YL 30T1.5PXXXTC1A0.482
310.226133.9143.8YL31S1.5PXTC1A0.302YL31D1.5PXXTC1A0.378YL 31T1.5PXXXTC1A0.454
320.203166.2178.4YL32S1.5PXTC1A0.279YL32D1.5PXXTC1A0.355YL 32T1.5PXXXTC1A0.431
330.18211.7228.2YL33S1.5PXTC1A0.256YL33D1.5PXXTC1A0.332YL 33T1.5PXXXTC1A0.408
340.16269.8289.6YL34S1.5PXTC1A0.236YL34D1.5PXXTC1A0.312YL 34T1.5PXXXTC1A0.388
350.142342.8368.1YL35S1.5PXTC1A0.218YL35D1.5PXXTC1A0.294YL 35T1.5PXXXTC1A0.37
360.127431.9463.7YL36S1.5PXTC1A0.203YL36D1.5PXXTC1A0.279YL 36T1.5PXXXTC1A0.355
370.114535.7575.1YL37S1.5PXTC1A0.19YL37D1.5PXXTC1A0.266YL 37T1.5PXXXTC1A0.342
380.102681.9732YL38S1.5PXTC1A0.178YL38D1.5PXXTC1A0.254YL 38T 1.5PXXXTC1A0.33
390.089897.1963.1YL39S1.5PXTC1A0.165YL39D1.5PXXTC1A0.241YL 39T1.5PXXXTC1A0.317
400.07911521237YL40S1.5PXTC1A0.155YL40D1.5PXXTC1A0.231YL40T1.5PXXXTC1A0.307
Conductor Single Insulated Double Insulated Triple Insulated
AWG O D(m m) DC Resistance Part Number OD(mm) Part Num ber OD(mm) Part Number OD(mm)
Bare Tinned
18 1.02 6.516 6.995 YL 18S2.0FXTC1A 1.12 YL 18D2.0FXXTC1A 1.22 YL 18T2.0FXXXTC 1A 1.32
19 0.912 8.211 8.815 YL 19S2.0FXTC1A 1.012 YL 19D 2.0FXXTC 1A 1.112 YL 19T2.0FXXXTC 1A 1.212
20 0.813 10.33 11.09 YL 20S2.0FXTC 1A 0.913 YL 20D2.0FXXTC1A 1.013 YL 20T2.0FXXXTC 1A 1.113
21 0.724 13.03 13.99 YL 21S2.0FXTC 1A 0.824 YL 21D2.0FXXTC 1A 0.924 YL 21T2.0FXXXTC 1A 1.024
22 0.643 16.53 17.75 YL 22S2.0FXTC 1A 0.743 YL 22D2.0FXXTC1A 0.843 YL 22T2.0FXXXTC 1A 0.943
23 0.574 20.72 22.24 YL 23S2.0FXTC 1A 0.674 YL 23D 2.0FXXTC 1A 0.774 YL 23T2.0FXXXTC 1A 0.874
24 0.511 26.19 28.12 YL 24S2.0FXTC 1A 0.611 YL 24D 2.0FXXTC 1A 0.711 YL 24T2.0FXXXTC 1A 0.811
25 0.455 33.03 35.46 YL 25S2.0FXTC1A 0.555 YL 25D 2.0FXXTC1A 0.655 YL 25T2.0FXXXTC 1A 0.755
26 0.404 41.86 44.94 YL 26S2.0FXTC1A 0.504 YL 26D 2.0FXXTC1A 0.604 YL 26T2.0FXXXTC 1A 0.704
27 0.361 52.48 56.34 YL 27S2.0FXTC1A 0.461 YL 27D 2.0FXXTC1A 0.561 YL 27T2.0FXXXTC 1A 0.661
28 0.32 66.66 71.56 YL 28S2.0FXTC 1A 0.42 YL 28D2.0FXXTC1A 0.52 YL 28T2.0FXXXTC 1A 0.62
29 0.287 82.88 88.97 YL 29S2.0FXTC 1A 0.387 YL 29D 2.0FXXTC1A 0.487 YL 29T2.0FXXXTC1A 0.587
30 0.254 105.8 113.6 YL 30S2.0FXTC1A 0.354 YL 30D 2.0FXXTC 1A 0.454 YL 30T2.0FXXXTC 1A 0.554
31 0.226 133.9 143.8 YL 31S2.0FXTC 1A 0.326 YL 31D 2.0FXXTC 1A 0.426 YL 31T2.0FXXXTC 1A 0.526
32 0.203 166.2 178.4 YL 32S2.0FXTC 1A 0.303 YL 32D 2.0FXXTC 1A 0.403 YL 32T2.0FXXXTC 1A 0.503
33 0.18 211.7 228.2 YL 33S2.0FXTC 1A 0.28 YL 33D 2.0FXXTC 1A 0.38 YL 33T2.0FXXXTC 1A 0.48
34 0.16 269.8 289.6 YL 34S2.0FXTC1A 0.26 YL 34D 2.0FXXTC 1A 0.36 YL 34T2.0FXXXTC 1A 0.46
35 0.142 342.8 368.1 YL 35S2.0FXTC1A 0.242 YL 35D 2.0FXXTC 1A 0.342 YL 35T2.0FXXXTC1A 0.442
36 0.127 431.9 463.7 YL 36S2.0FXTC 1A 0.227 YL 36D 2.0FXXTC 1A 0.327 YL 36T2.0FXXXTC1A 0.427
37 0.114 535.7 575.1 YL 37S2.0FXTC 1A 0.214 YL 37D2.0FXXTC1A 0.314 YL 37T2.0FXXXTC 1A 0.414
38 0.102 681.9 732 YL 38S2.0FXTC 1A 0.202 YL 38D 2.0FXXTC 1A 0.302 YL 38T2.0FXXXTC 1A 0.402
39 0.089 897.1 963.1 YL 39S2.0FXTC 1A 0.189 YL 39D 2.0FXXTC 1A 0.289 YL 39T2.0FXXXTC 1A 0.389
40 0.079 1152 1237 YL 40S2.0FXTC1A 0.179 YL 40D2.0FXXTC1A 0.279 YL 40T2.0FXXXTC1A 0.379
Conductor Single Insulated Double Insulated Triple Insulated
AWG OD(mm) DC Resistance Part Num ber OD(mm) Part Number OD(mm) Part Number OD(mm)
Bare Tinned
18 1.02 6.516 6.995 YL18S1.5EXTC1A 1.096 YL18D1.5EXXTC1A 1.172 YL18T1.5EXXXTC1A 1.248
19 0.912 8.211 8.815 YL19S1.5EXTC1A 0.988 YL19D1.5EXXTC1A 1.064 YL19T1.5EXXXTC1A 1.14
20 0.813 10.33 11.09 YL20S1.5EXTC1A 0.889 YL20D1.5EXXTC1A 0.965 YL20T1.5EXXXTC1A 1.041
21 0.724 13.03 13.99 YL21S1.5EXTC1A 0.8 YL21D1.5EXXTC1A 0.876 YL21T1.5EXXXTC1A 0.952
22 0.643 16.53 17.75 YL22S1.5EXTC1A 0.719 YL22D1.5EXXTC1A 0.795 YL22T1.5EXXXTC1A 0.871
23 0.574 20.72 22.24 YL23S1.5EXTC1A 0.65 YL23D1.5EXXTC1A 0.726 YL23T1.5EXXXTC1A 0.802
24 0.511 26.19 28.12 YL24S1.5EXTC1A 0.587 YL24D1.5EXXTC1A 0.663 YL24T1.5EXXXTC1A 0.739
25 0.455 33.03 35.46 YL25S1.5EXTC1A 0.531 YL25D1.5EXXTC1A 0.607 YL25T1.5EXXXTC1A 0.683
26 0.404 41.86 44.94 YL26S1.5EXTC1A 0.48 YL26D1.5EXXTC1A 0.556 YL26T1.5EXXXTC1A 0.632
27 0.361 52.48 56.34 YL27S1.5EXTC1A 0.437 YL27D1.5EXXTC1A 0.513 YL27T1.5EXXXTC1A 0.589
28 0.32 66.66 71.56 YL28S1.5EXTC1A 0.396 YL28D1.5EXXTC1A 0.472 YL28T1.5EXXXTC1A 0.548
29 0.287 82.88 88.97 YL29S1.5EXTC1A 0.363 YL29D1.5EXXTC1A 0.439 YL29T1.5EXXXTC1A 0.515
30 0.254 105.8 113.6 YL30S1.5EXTC1A 0.33 YL30D1.5EXXTC1A 0.406 YL30T1.5EXXXTC1A 0.482
31 0.226 133.9 143.8 YL31S1.5EXTC1A 0.302 YL31D1.5EXXTC1A 0.378 YL31T1.5EXXXTC1A 0.454
32 0.203 166.2 178.4 YL32S1.5EXTC1A 0.279 YL32D1.5EXXTC1A 0.355 YL32T1.5EXXXTC1A 0.431
33 0.18 211.7 228.2 YL33S1.5EXTC1A 0.256 YL33D1.5EXXTC1A 0.332 YL33T1.5EXXXTC1A 0.408
34 0.16 269.8 289.6 YL34S1.5EXTC1A 0.236 YL34D1.5EXXTC1A 0.312 YL34T1.5EXXXTC1A 0.388
35 0.142 342.8 368.1 YL35S1.5EXTC1A 0.218 YL35D1.5EXXTC1A 0.294 YL35T1.5EXXXTC1A 0.37
36 0.127 431.9 463.7 YL36S1.5EXTC1A 0.203 YL36D1.5EXXTC1A 0.279 YL36T1.5EXXXTC1A 0.355
37 0.114 535.7 575.1 YL37S1.5EXTC1A 0.19 YL37D1.5EXXTC1A 0.266 YL37T1.5EXXXTC1A 0.342
38 0.102 681.9 732 YL38S1.5EXTC1A 0.178 YL38D1.5EXXTC1A 0.254 YL38T1.5EXXXTC1A 0.33
39 0.089 897.1 963.1 YL39S1.5EXTC1A 0.165 YL39D1.5EXXTC1A 0.241 YL39T1.5EXXXTC1A 0.317
40 0.079 1152 1237 YL40S1.5EXTC1A 0.155 YL40D1.5EXXTC1A 0.231 YL40T1.5EXXXTC1A 0.307

Challenges in Design and Production

  1. Material Selection: Choosing the right insulation materials is crucial. Common materials include ETFE, PFA, and FEP, each offering unique properties but also requiring careful consideration of performance under high temperatures and frequencies.

  2. Layer Adhesion: Ensuring strong adhesion between insulation layers is vital to prevent delamination during operation, which can lead to failure.

  3. Manufacturing Complexity: The production process for triple insulated Litz wire is more intricate than for simpler wire types, necessitating specialized equipment and precise process control.

  4. Cost Implications: The increased complexity and higher-quality materials can lead to higher production costs, necessitating a balance between performance and affordability.

Key Considerations for Users

  1. Electrical Performance: Users must assess whether the enhanced electrical isolation and reduced losses justify the investment in triple insulated Litz wire.

  2. Safety Requirements: For applications in sensitive environments (e.g., medical or aerospace), the increased safety from additional insulation can be a deciding factor.

  3. Long-Term Reliability: The durability and reduced maintenance needs offered by triple insulated designs can lead to cost savings over time.

Advantages of Triple Insulated Litz Wire

  1. Superior Electrical Performance: The three layers of insulation provide excellent electrical isolation, drastically lowering energy losses in high-frequency applications.

  2. Enhanced Safety: Thicker insulation layers significantly decrease the risk of short circuits and electrical failures, making it a safer choice for demanding applications.

  3. Extended Equipment Lifespan: The reliability of triple insulated Litz wire contributes to a longer operational lifespan for devices, ultimately reducing replacement and repair costs.

Disadvantages and User Perspectives

While there are several advantages, users must also consider some potential disadvantages:

  1. Increased Cost: The complexity of production and high-quality materials can lead to a higher price point.

  2. Reduced Flexibility: The additional insulation may decrease the wire’s flexibility, making it less suitable for applications requiring frequent bending.

  3. Weight Considerations: The added insulation can increase the overall weight of the wire, which may not align with lightweight design requirements in certain applications.

Despite these drawbacks, users often choose triple insulated Litz wire for its superior performance in specific applications, particularly where efficiency and safety are paramount.

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