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These PTFE insulated single-core MIL-W-25038/3 cables are used in such aerospace applications as engine compartments, fire detection circuits, flight-critical circuits, and fly-by-wire systems. MIL-W-25038/3 (Thermazone IIIK) wires are designed for critical circuit applications where wires must operate in extremely harsh environments, under vibration, and with direct flame exposure. MIL-W-25038/3(Thermazone IIIG) wires also meet or exceed the requirements of MIL-W-25083/3, but provide this performance at a lower cost through the use of an innovative insulation system.
Conductor | 12-18 AWG: Stranded 27% Nickel coated copper conductor 20-22 AWG: Stranded 27% Nickel coated high-strength copper alloy conductor |
Insulation | |
Thermazone IIIK | |
Outer | PTFE/polyimide tape fluid barrier. |
Inner | Inorganic dielectric |
Thermazone IIIG | |
Outer | PTFE-coated fiberglass fluid barrier. |
Inner | Inorganic dielectric |
Jacket | Fused High-Performance Polytetrafluoroethylene (PTFE) Tape Jacket |
Identification | Surface printed per MIL-W-25038 |
Temperature Range | -55°C +260°C |
Voltage Rating | 600 volts |
Color Code | MIL-STD-104 |
? | M25038/3 THERMAZONE IIIK | ||||||||
---|---|---|---|---|---|---|---|---|---|
AWG SIZE | CONDUCTOR STRANDING | CONDUCTOR DIAM. | MAX. O.D. | MIN. O.D. | MAX. RESISTANCE @ 20°C OHMS/MFT | APPROX LBS/MFT | |||
? | ? | IN | MM | IN | MM | IN | MM | ? | ? |
22 | 19/34 | 0.031 | 0.787 | 0.054 | 1.372 | 0.040 | 1.016 | 23.700 | 4.2 |
20 | 19/32 | 0.040 | 1.016 | 0.083 | 2.108 | 0.048 | 1.219 | 15.300 | 9.00 |
18 | 19/30 | 0.050 | 1.270 | 0.097 | 2.464 | 0.065 | 1.651 | 8.500 | 10.5 |
16 | 19/29 | 0.056 | 1.422 | 0.103 | 2.616 | 0.068 | 1.727 | 6.660 | 13.5 |
14 | 19/27 | 0.072 | 1.829 | 0.123 | 3.124 | 0.097 | 2.464 | 4.320 | 19.5 |
12 | 19/25 | 0.090 | 2.286 | 0.142 | 3.607 | 0.100 | 2.540 | 2.780 | 28.0 |
? | M25038/3 THERMAZONE IIIG | ||||||||
AWG SIZE | CONDUCTOR STRANDING | CONDUCTOR DIAM. | MAX. O.D. | MIN. O.D. | MAX. RESISTANCE @ 20°C OHMS/MFT | APPROX LBS/MFT | |||
? | ? | IN | MM | IN | MM | IN | MM | ? | ? |
22 | 19/34 | 0.031 | 0.787 | 0.075 | 1.905 | 0.055 | 1.397 | 23.700 | 4.2 |
20 | 19/32 | 0.040 | 1.016 | 0.083 | 2.108 | 0.048 | 1.219 | 15.300 | 9.0 |
18 | 19/30 | 0.050 | 1.270 | 0.097 | 2.464 | 0.065 | 1.651 | 8.500 | 10.5 |
16 | 19/29 | 0.056 | 1.422 | 0.103 | 2.616 | 0.068 | 1.727 | 6.660 | 13.5 |
14 | 19/27 | 0.072 | 1.829 | 0.123 | 3.124 | 0.097 | 2.464 | 4.320 | 19.5 |
12 | 19/25 | 0.090 | 2.286 | 0.142 | 3.607 | 0.100 | 2.540 | 2.780 | 28.0 |