Product Overview
| Feature |
Specification |
| Product Series |
FF4 (High-Performance PTFE Hook-up Wire) |
| Equivalency |
Fully compatible with GJB 773A / 3A-2000 |
| Insulation Material |
PTFE (Polytetrafluoroethylene) |
| Rated Voltage |
600V AC |
| Temperature Range |
-65°C to +200°C (-85°F to +392°F) |
| Conductor Type |
Silver-plated Copper (SPC) Stranding |
| Key Features |
Exceptional dielectric properties, high flexibility, extreme chemical resistance, flame retardant, and moisture proof. |
| Applications |
Aerospace wiring, avionics, flight instruments, defense electronic systems, and high-temperature sensors. |
Comprehensive Configuration Matrix
Our FF4 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) |
| Shielding Density |
>= 85 percent |
| Conductor Material |
Silver-plated Copper (SPC) |
| Standard Compliance |
GJB 773A/3A-2000 |
Dimensions & Weight: Single-Core (1C) Baseline Data
Data representing standard unshielded (FF4-2) 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) |
| 0.08 |
28 |
7 / 0.12 |
0.84 |
2.02 |
227 |
| 0.12 |
26 |
19 / 0.08 |
1.09 |
3.84 |
152 |
| 0.20 |
24 |
19 / 0.12 |
1.25 |
5.54 |
83.5 |
| 0.35 |
22 |
19 / 0.16 |
1.47 |
8.08 |
49.5 |
| 0.50 |
20 |
19 / 0.20 |
1.66 |
10.2 |
30.2 |
| 1.0 |
18 |
19 / 0.26 |
2.02 |
18.5 |
19.0 |
| 2.0 |
14 |
19 / 0.36 |
2.72 |
31.5 |
9.45 |
| 4.0 |
12 |
37 / 0.37 |
3.53 |
56.2 |
4.51 |
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 Unshielded |
FF4-2 |
1C x 0.50 |
1.47 |
8.08 |
Basic aerospace wiring |
| 1-Core Shielded |
FF4P-2 |
1C x 0.50 |
1.97 |
13.4 |
Compact EMI signal line |
| 2-Core Twisted |
FF4-2 |
2C x 0.50 |
3.00 |
13.8 |
Flexible data pair |
| 2-Core Shielded |
FF4P-2 |
2C x 0.50 |
3.32 |
18.0 |
EMI-protected differential pair |
| 2-Core Shield+Jacket |
FF4PH8-2 |
2C x 0.50 |
3.80 |
24.7 |
Max EMI and physical protection |
Performance Standards
-
Dielectric Strength: Passed high-voltage frequency test (2500V/5min) without puncture.
-
Insulation Resistance: >1500 MOhm-km
-
Chemical Stability: Resistant to all common hydraulic fluids, fuels, lubricants, and acids.
-
Shielding Coverage: High-density silver-plated braid providing >= 85 percent coverage for EMI/RFI.
-
Tensile Strength: Superior mechanical integrity for aviation frequency environments.
