Lightweight Aerospace Grade Silver-plated Copper PTFE Insulated Wire – BYC Cables

Product Overview

Feature Specification
Product Series FF4-2Q (High-Performance Lightweight PTFE Wire)
Equivalency Fully compatible with GJB 773A / 5A-2000
Insulation Material PTFE (Polytetrafluoroethylene)
Rated Voltage 250V AC (Reduced Voltage for Weight Saving)
Temperature Range -65°C to +200°C (-85°F to +392°F)
Conductor Type Silver-plated Copper (SPC) Stranding
Key Features Ultra-thin wall insulation (Min. 0.13mm), minimized weight, high-frequency stability, extreme chemical resistance.
Applications Weight-sensitive aerospace wiring, miniature avionics, satellite systems, and compact electronic warfare modules.

Comprehensive Configuration Matrix

Our FF4-2Q series covers over 100+ configurations including multi-core twisted, EMI shielding, and protective jacketing. If your specific requirement is not listed in the standard table, please contact us for custom configuration.

Configuration Category Available Options
Core Count Single (1C), Pair (2C), Triad (3C), Quad (4C)
Shielding Unshielded, Silver-plated Copper Braid (EMI Protection)
Jacket No Jacket, FEP Jacket (H8 Type), PTFE Tape Jacket (H5 Type)
Insulation Wall Lightweight Reduced Wall (Type Q)
Conductor Material Silver-plated Copper (SPC)
Standard Compliance GJB 773A/5A-2000

Dimensions & Weight: Single-Core (1C) Baseline Data

Data representing standard unshielded lightweight (FF4-2Q) configurations

Cross-section (mm2) AWG Equivalent Stranding (n/mm) Finished O.D. (mm) Max Weight (kg/km) Max Resistance @ 20°C (68°F) (Ohm/km)
0.06 30 7 / 0.10 0.61 1.14 330
0.08 28 7 / 0.12 0.69 1.59 227
0.14 26 19 / 0.10 0.79 2.25 126
0.20 24 19 / 0.12 0.91 3.36 83.5
0.35 22 19 / 0.16 1.07 4.79 49.5
0.50 20 19 / 0.20 1.27 7.19 30.2
0.75 19 19 / 0.23 1.49 9.29 22.7
1.0 18 19 / 0.26 1.55 11.1 19.0

Multicore & Shielded Configuration Comparison

Representative data for 0.50 mm2 variants (Typical AWG 20)

Configuration Type Code Core Count Nominal O.D. (mm) Max Weight (kg/km) Primary Benefit
1-Core Shielded FF4P-2Q 1C x 0.50 1.77 11.9 Lightweight EMI signal
2-Core Twisted FF4-2Q 2C x 0.50 2.54 14.2 Ultra-compact data pair
2-Core Shielded FF4P-2Q 2C x 0.50 3.09 22.6 Protected differential pair
2-Core Shield+Jacket FF4PH8-2Q 2C x 0.50 3.55 26.2 Max EMI in minimal space

Key Performance Standards

  • Minimum Insulation Wall: >= 0.13mm
  • Dielectric Strength: Resistance to 1.5min immersion voltage test without puncture.
  • Shielding Coverage: High-density silver-plated braid providing >= 85 percent coverage.
  • Chemical Stability: Fully resistant to aviation fuels, oils, and highly corrosive cleaning agents.
  • Flammability: Inherently flame retardant (PTFE material properties).

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