RG142 50 Ohm Coax Cable (RG-142 Coaxial Cables)

RG142 High-Temperature 50-Ohm Coaxial Cable Assemblies from Amphenol Cables on Demand offer excellent RF stability in environments up to 200C. Our MIL-C-17 military-grade Teflon-insulated RG-142B/U coax is double-shielded for exceptional bandwidth (12.4 GHz) and power handling (5600W @ 10 MHz) – RF performance nearly on-par with low-loss RG213, at less than half the size (11.5mm vs. 4.95mm OD). Assembled with precision-molded impedance-matched 50 Ohm BNC connectors installed.

Not looking for RG-142? No problem! We've provided quick-links to our other coax selection below for your convenience, sorted by impedance, wire and connector types.

50 Ohm Coaxial Cables (RG58, RG142, RG174, RG213, RG316)

75 Ohm Coaxial Cables (RG59 F-Type, RG59 BNC)

Shop Coax Cables by Connector Type (BNC, SMA, RP-SMA, RP-TNC, N, UHF)

Amphenol CO-142BNCX200-001 BNC Male to BNC Male (RG142) 50 Ohm Coaxial Cable Assembly (High-Temp Teflon RG142B / U) 1ft
Code: CO-142BNCX200-001
Buy 1ft Amphenol CO-142BNCX200-001 Cables Direct from the Factory at Cables on Demand. RG142 BNC Coaxial Cable Assemblies by Amphenol combine 50 Ohm RG142 coax cable with pre-terminated BNC Male connectors for a reliable low-loss interface with your RF equipment. Performance beyond 8 GHz is guaranteed with our dual-layer…
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Availability: Out of stock

1-50	$19.55
51+	$18.57

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Amphenol CO-142BNCX200-002 BNC Male to BNC Male (RG142) 50 Ohm Coaxial Cable Assembly (High-Temp Teflon RG142B / U) 2ft
Code: CO-142BNCX200-002
Buy 2ft Amphenol CO-142BNCX200-002 Cables Direct from the Factory at Cables on Demand. RG142 BNC Coaxial Cable Assemblies by Amphenol combine 50 Ohm RG142 coax cable with pre-terminated BNC Male connectors for a reliable low-loss interface with your RF equipment. Performance beyond 8 GHz is guaranteed with our dual-layer…
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Availability: Out of stock

1-50	$21.92
51+	$20.82

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EA

Amphenol CO-142BNCX200-003 BNC Male to BNC Male (RG142) 50 Ohm Coaxial Cable Assembly (High-Temp Teflon RG142B / U) 3ft
Code: CO-142BNCX200-003
Buy 3ft Amphenol CO-142BNCX200-003 Cables Direct from the Factory at Cables on Demand. RG142 BNC Coaxial Cable Assemblies by Amphenol combine 50 Ohm RG142 coax cable with pre-terminated BNC Male connectors for a reliable low-loss interface with your RF equipment. Performance beyond 8 GHz is guaranteed with our dual-layer…
Qty avail.: 5
Availability: In stock

1-50	$26.54
51+	$25.21

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EA

Amphenol CO-142BNCX200-004 BNC Male to BNC Male (RG142) 50 Ohm Coaxial Cable Assembly (High-Temp Teflon RG142B / U) 4ft
Code: CO-142BNCX200-004
Buy 4ft Amphenol CO-142BNCX200-004 Cables Direct from the Factory at Cables on Demand. RG142 BNC Coaxial Cable Assemblies by Amphenol combine 50 Ohm RG142 coax cable with pre-terminated BNC Male connectors for a reliable low-loss interface with your RF equipment. Performance beyond 8 GHz is guaranteed with our dual-layer…
Qty avail.: 52
Availability: In stock

1-50	$33.34
51+	$31.67

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EA

Amphenol CO-142BNCX200-005 BNC Male to BNC Male (RG142) 50 Ohm Coaxial Cable Assembly (High-Temp Teflon RG142B / U) 5ft
Code: CO-142BNCX200-005
Buy 5ft Amphenol CO-142BNCX200-005 Cables Direct from the Factory at Cables on Demand. RG142 BNC Coaxial Cable Assemblies by Amphenol combine 50 Ohm RG142 coax cable with pre-terminated BNC Male connectors for a reliable low-loss interface with your RF equipment. Performance beyond 8 GHz is guaranteed with our dual-layer…
Qty avail.: 19
Availability: In stock

1-50	$40.09
51+	$38.09

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EA

Amphenol CO-142BNCX200-006 BNC Male to BNC Male (RG142) 50 Ohm Coaxial Cable Assembly (High-Temp Teflon RG142B / U) 6ft
Code: CO-142BNCX200-006
Buy 6ft Amphenol CO-142BNCX200-006 Cables Direct from the Factory at Cables on Demand. RG142 BNC Coaxial Cable Assemblies by Amphenol combine 50 Ohm RG142 coax cable with pre-terminated BNC Male connectors for a reliable low-loss interface with your RF equipment. Performance beyond 8 GHz is guaranteed with our dual-layer…
Qty avail.: 1
Availability: In stock

1-50	$46.99
51+	$44.64

Qty:
EA

Amphenol CO-142BNCX200-007.5 BNC Male to BNC Male (RG142) 50 Ohm Coaxial Cable Assembly (High-Temp Teflon RG142B / U) 7.5ft
Code: CO-142BNCX200-007.5
Buy 7.5ft Amphenol CO-142BNCX200-007.5 Cables Direct from the Factory at Cables on Demand. RG142 BNC Coaxial Cable Assemblies by Amphenol combine 50 Ohm RG142 coax cable with pre-terminated BNC Male connectors for a reliable low-loss interface with your RF equipment. Performance beyond 8 GHz is guaranteed with our dual-layer…
Qty avail.: 0
Availability: Out of stock

1-50	$57.06
51+	$54.21

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EA

Amphenol CO-142BNCX200-010 BNC Male to BNC Male (RG142) 50 Ohm Coaxial Cable Assembly (High-Temp Teflon RG142B / U) 10ft
Code: CO-142BNCX200-010
Buy 10ft Amphenol CO-142BNCX200-010 Cables Direct from the Factory at Cables on Demand. RG142 BNC Coaxial Cable Assemblies by Amphenol combine 50 Ohm RG142 coax cable with pre-terminated BNC Male connectors for a reliable low-loss interface with your RF equipment. Performance beyond 8 GHz is guaranteed with our dual-layer…
Qty avail.: 4
Availability: In stock

1-50	$74.21
51+	$70.50

Qty:
EA

Amphenol CO-142BNCX200-015 BNC Male to BNC Male (RG142) 50 Ohm Coaxial Cable Assembly (High-Temp Teflon RG142B / U) 15ft
Code: CO-142BNCX200-015
Buy 15ft Amphenol CO-142BNCX200-015 Cables Direct from the Factory at Cables on Demand. RG142 BNC Coaxial Cable Assemblies by Amphenol combine 50 Ohm RG142 coax cable with pre-terminated BNC Male connectors for a reliable low-loss interface with your RF equipment. Performance beyond 8 GHz is guaranteed with our dual-layer…
Qty avail.: 9
Availability: In stock

1-50	$108.24
51+	$102.83

Qty:
EA

Amphenol CO-142BNCX200-025 BNC Male to BNC Male (RG142) 50 Ohm Coaxial Cable Assembly (High-Temp Teflon RG142B / U) 25ft
Code: CO-142BNCX200-025
Buy 25ft Amphenol CO-142BNCX200-025 Cables Direct from the Factory at Cables on Demand. RG142 BNC Coaxial Cable Assemblies by Amphenol combine 50 Ohm RG142 coax cable with pre-terminated BNC Male connectors for a reliable low-loss interface with your RF equipment. Performance beyond 8 GHz is guaranteed with our dual-layer…
Qty avail.: 10
Availability: In stock

1-50	$175.54
51+	$166.76

Qty:
EA

Amphenol CO-142BNCX200-100 BNC Male to BNC Male (RG142) 50 Ohm Coaxial Cable Assembly (High-Temp Teflon RG142B / U) 100ft
Code: CO-142BNCX200-100
Buy 100ft Amphenol CO-142BNCX200-100 Cables Direct from the Factory at Cables on Demand. RG142 BNC Coaxial Cable Assemblies by Amphenol combine 50 Ohm RG142 coax cable with pre-terminated BNC Male connectors for a reliable low-loss interface with your RF equipment. Performance beyond 8 GHz is guaranteed with our dual-layer…
Qty avail.: 14
Availability: In stock