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Home > Products > Extruded Hookup Wire > AF250-3H Hookup Wire 1000V PTFE Insulated Wire for High Temperature Heating Electronics
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AF250-3H Hookup Wire 1000V PTFE Insulated Wire for High Temperature Heating Electronics

Product Details

Place of Origin: Shanghai, China

Brand Name: Bing Wire & Cable

Certification: CE/RoHS

Model Number: AF250-3H

Payment & Shipping Terms

Minimum Order Quantity: 2000 meters

Price: $0.29-0.55 / meter

Delivery Time: 10-15 work days

Payment Terms: L/C,D/A,D/P,T/T,Western Union

Supply Ability: 2000m 7work days

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Conductor Material:
Nickel-plated Copper
Insulation Material:
PTFE
Rated Voltage:
1000V
Temperature:
-60°C~+250°C
Application:
Building, Electric Appliance, Heating, Industrial, Underground
Conductor Material:
Nickel-plated Copper
Insulation Material:
PTFE
Rated Voltage:
1000V
Temperature:
-60°C~+250°C
Application:
Building, Electric Appliance, Heating, Industrial, Underground
AF250-3H Hookup Wire 1000V PTFE Insulated Wire for High Temperature Heating Electronics
Product Description
Designed for mission-critical applications where extreme heat and oxidative environments are a concern, the AF250-3H delivers exceptional reliability. This high-performance wire features a stranded or solid nickel-plated copper conductor combined with a robust extruded PTFE insulation system.It supports continuous operation at 250°C (with short-term excursions up to 300°C) and is rated for 1000V AC. The use of a nickel-plated conductor provides superior protection against oxidation at elevated temperatures, ensuring long-term electrical integrity where silver-plated alternatives may degrade.
* Model:AF250-3H
* Rated voltage: 1000 volts AC
* Insulation:PTFE,defining its quality as a reliable PTFE insulated wire
* Conductor:  Nickel-plated copper wire,single-strand or multi-strand twisted
* Rated operating temperature: -60℃ to +250℃,core feature of this 250°C high temp wire
* Insulation resistance: Not less than 1.5×106 MΩ·m at 20℃
* Structure: Designed with heavy wall insulation wire for balanced performance
* Colors: Black,brown,red,orange,yellow,green,blue,purple,gray,white, transparent,two-color stripes or other colors specified by the customer
Key Advantages 
  1. Nickel-Plated Conductor: The nickel plated copper provides better oxidation resistance at high temperatures, ensuring stable performance and longer service life in heat-intensive applications.

  2. PTFE Insulation: Offers good flexibility, resistance to repeated bending, and helps absorb vibration in moving parts or high-shock environments.

  3. Wide Temperature Range: Works reliably from -60°C to 250°C, with the ability to handle brief temperature spikes up to 300°C without insulation damage.

  4. Strong Electrical Insulation: Maintains high dielectric strength and arc resistance, with insulation resistance of ≥1.5×10⁶ MΩ·m at 20°C, protecting signal quality and system safety.

  5. Chemical & Flame Resistance: Resists oils, fuels, solvents, and most chemicals. PTFE is naturally non-flammable and self-extinguishing.

Application
  • Aerospace & Defense: Internal wiring of avionics, radar systems, and communication equipment.

  • Industrial Heating: Wiring for furnaces, ovens, and heating elements.

  • Instrumentation: Connection wires for sensors and meters in harsh environments.

  • Transportation: Wiring in electric vehicles, locomotives, and marine vessels.

  • Medical Equipment: Devices requiring sterilization or exposure to high temperatures.

Why Choose Our AF250 Series PTFE Insulated Wire?
The AF250-3H 250°C high temp wire is the preferred choice for applications requiring proven PTFE reliability with cost-effective extruded construction. As a professional PTFE insulated wire, its silver plated copper wire conductor ensures low resistance and direct solderability, while the medium wall insulation wire structure provides uniform dielectric protection at 1000V AC across a -60°C to 250°C temperature range.This versatile product performs equally well as aerospace PTFE wire, industrial hookup wire, industrial heat resistant cable, and auto wire with PTFE insulation. With exceptional chemical, oil, and weather resistance plus self-extinguishing flame retardance, it delivers mission-ready performance for general-purpose aviation and industrial wiring.

Specification


Model Cross-
sectional area
(mm²)
Conductor
No/Dia.
(mm)
Min.
Insulation
diameter
(mm)
Max.
Insulation
diameter
(mm)
Maximum direct current resistance
(ohm/km)
AF-250-3H 0.06 7/0.10 0.97 1.17 348
AF-250-3H 0.12 7/0.15 1.14 1.35 150
AF-250-3H 0.2 7/0.20 1.27 1.47 81
AF-250-3H 0.35 19/0.16 1.42 1.63 47
AF-250-3H 0.5 19/0.18 1.53 1.74 37
AF-250-3H 0.75 19/0.23 1.52 1.72 23
AF-250-3H 1 19/0.26 1.88 2.13 18
AF-250-3H 1.2 19/0.28 2.08 2.38 15
AF-250-3H 1.5 19/0.32 2.28 2.58 12
AF-250-3H 2 19/0.37 2.52 2.92 8.8
AF-250-3H 2.5 19/0.41 2.79 3.2 7.3
AF-250-3H 2.5 49/0.26 3.09 3.49 7.1
AF-250-3H 3 37/0.32 2.91 3.31 6.1
AF-250-3H 3 49/0.28 2.96 3.33 6
AF-250-3H 4 37/0.37 3.33 3.74 4.5
AF-250-3H 4 49/0.32 3.40  3.81 4.9
AF-250-3H 5 37/0.41 3.62 4.02 3.7
AF-250-3H 5 49/0.36 3.66 4.02 3.7
AF-250-3H 6 37/0.45 3.88 4.38 3.1
AF-250-3H 6 49/0.39 3.96 4.47 3.1
Picture Detail

AF250-3H Hookup Wire 1000V PTFE Insulated Wire for High Temperature Heating Electronics 0AF250-3H Hookup Wire 1000V PTFE Insulated Wire for High Temperature Heating Electronics 1

AF250-3H Hookup Wire 1000V PTFE Insulated Wire for High Temperature Heating Electronics 2AF250-3H Hookup Wire 1000V PTFE Insulated Wire for High Temperature Heating Electronics 3


FAQ
1.Are you a manufacturer or a trading company?
A: We are a professional manufacturer of wires and cables, based in Shanghai, with extensive experience since 2005.
2.What’s your company MOQ?
A: To ensure the best cost and quality for different products, our MOQ varies, normally it's 2km. Please reach out to our sales team for specific and flexible options.
3.Can I get the samples?
A: Yes, we encourage you to verify our quality. Samples are available upon request. A nominal fee may apply, which is deductible from your future bulk order.
4.Does your company accept customization?
A: Yes, we provide both OEM and ODM services to meet your specific requirements.
5.How can I get the right price?
A: For a precise quotation tailored to your needs, please contact us with detailed specifications (e.g., type, length, color, packaging). We respond quickly.
6.What services can we provide?
A: We provide a seamless trading experience: Secure payment (T/T, PayPal), flexible trade terms (FOB Shanghai, EXW Shanghai, etc.), and cooperation with major logistics companies (DHL, FedEx, UPS, or your preferred agent) for door-to-door delivery.Other terms can be discussed based on your needs.
7.How long will the delivery take?
A: The general production lead time is 10-15 working days after order confirmation and deposit. Exact time depends on the order quantity and customization complexity.
8.How do you solve after sale service?
A: Our relationship doesn't end after a sale. We offer comprehensive after-sales support. If you encounter any issues, our team will provide a swift and effective solution to ensure your complete satisfaction.