RG-178 Coaxial Cable

Additional RF product information

• Coaxial Cable Assembly Builder

  Create the perfect cable assembly for your application: Build assembly

• Coaxial Cable Specifications

  Cable Description	Cable Specification
  0.81mm ø Cable	View Spec
  0.81mm ø Cable (for I-PEX MHF5L, LK & SW23)	View Spec
  1.13mm ø Cable	View Spec
  1.13mm ø Low Loss Cable	View Spec
  1.13mm ø Cable (for I-PEX MHF5L, LK & SW23)	View Spec
  1.19mm ø Cable	View Spec
  1.32mm ø Cable	View Spec
  1.32mm ø Dual Shield Cable	View Spec
  1.37mm ø Cable	View Spec
  1.37mm ø Cable (for I-PEX MHF5L, LK & SW23)	View Spec
  1.48mm ø Cable	View Spec
  ALSR-100 PE Cable (Equivalent to LMR-100 ®)	View Spec
  RG58/U Cable	View Spec
  RG58 Low Loss Cable	View Spec
  RG174/U Cable	View Spec
  RG178 Cable	View Spec
  RG316 Cable	View Spec
  Habia Flexiform 405 (Standard)	View Spec

• Coaxial Connectors - Mounting & Mating Torque

  Find out the required torque for mounting & mating your GCT RF connectors.

  Mounting a Connector on your Equipment Case

  Bulkhead Thread Mounting Torque	Connector	Material	Torque Range (in-lbs)	Torque Range (Nm)
  1/4 - 36 UNS - 2A	SMA	Brass	7 - 10	0.791 – 1.130
  1/4 - 36 UNS - 2A	SMA	Stainless Steel	12 - 15	1.356 – 1.695
  3/8 - 32 UNEF - 2A	Isolated SMA	Brass	16 - 20	1.808 – 2.260
  1/2 - 28 UNEF - 2A	TNC	Brass	20 - 25	2.260 – 2.825
  1/2 - 28 UNEF - 2A	TNC	Stainless Steel	25 - 30	2.825 – 3.390
  1/2 - 28 UNEF - 2A	Isolated TNC	Brass	20 - 25	2.260 – 2.825
  3/8 - 32 UNEF - 2A	BNC Front Mount	Brass	16 - 20	1.808 – 2.260
  1/2 - 28 UNEF - 2A	BNC Rear Mount	Brass	20 - 25	2.260 – 2.825
  5/8 - 24 UNEF - 2A	N	Brass	30 - 35	3.390 – 3.955

  Mating with Another Connector

  Coupling Nut Thread Size	Connector	Material	Torque Range (in-lbs)	Torque Range (Nm)
  1/4 - 36 UNS - 2A	SMA	Brass	4 - 6	0.452 - 0.678
  1/4 - 36 UNS - 2A	Isolated SMA	Brass	2.5 - 3.2	0.282 - 0.362
  1/4 - 36 UNS - 2A	SMA	Stainless Steel	8 - 10	0.904 – 1.130
  7/16 - 28 UNEF - 2A	TNC	Brass	8 - 10	0.904 – 1.130
  7/16 - 28 UNEF - 2A	TNC	Stainless Steel	10 - 13	1.130 – 1.469
  5/8 - 24 UNEF - 2A	N	Brass	8 - 10	0.904 – 1.130

  Notes
  

  1. Customer should verify the torque based on different bulkhead materials.
  2. If used in a environment exposed to vibration we recommend using thread-lock or an additional locknut.

• Coaxial Connectors - Bulkhead Mounting - Rear & Front Mount Differences

  View our video guides to see the key differences and advantages between the two mount styles.

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• Coaxial Connectors - Standard & Reverse Polarity Differences

  The difference between standard and reverse polarity RF connectors is small and subtle, but of utmost importance when it comes to your design. Watch the video below to learn how to tell them apart.

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• I-Pex MHF to Hirose U.FL Intermateability

  Are Hirose U.FL and I-PEX® MHF® connectors compatible and intermateable? The answer is Yes. If you want to learn about all the details, read to our article here: MHF® - U.FL

• I-Pex MHF Connector Mounting Guides

  You can find links below to the instruction manual specific to your I-Pex MHF series connector.

  These manuals contain important guidance on installation and handling to avoid damaging the connector.

  • MHF 1 - Instruction manual
  • MHF 1 with locking clip - Instruction manual
  • MHF 4 (1.2mm height) - Instruction manual
  • MHF 4 (1.4mm height) - Instruction manual
  • MHF 4 (1.7mm height) - Instruction manual
  • MHF 4L - Instruction manual
  • MHF 5 - Instruction manual
  • MHF 5L - Instruction manual
• IP Ratings Explained

  An IP (Ingress Protection) rating specifies the level of protection an RF connector has against the ingress of dust and water. See IP Rating Explained Guide

• IP Rating Test Data

  Details on IP testing for the dust and waterproof Nautilus cable assemblies can be found here.
  Nautilus Coaxial Connectors are tested to the following specifications:

  • IP6x Dust tight – no particle ingress
  • IPx7 Waterproof for 30 minutes up to 1 meter underwater
  • IPx8 Waterproof for 48 hours at 1 meter underwater
  • IPx8 Waterproof for 12 hours at 5 meters underwater
  • IPx9K Waterproof against powerful high-temperature water jets (Stainless Steel Nautilus products only)
  • Pressure test – 1 bar = 14.5 PSI (pounds per square inch) for 10 seconds

  • Standard Nautilus Range

    See the test data for:

    • IP6x and IPx7 Test Document
    • IPx8 and Pressure Test Document
  • Stainless Steel SUS303 Nautilus Range with EPDM O-ring

    See the test data for:

    • IP6x - CAB412RF (uses RFCT-SMA061-F78 - Rear Mount with EPDM O-ring)
    • IPx8 - CAB412RF (uses RFCT-SMA061-F78 - Rear Mount with EPDM O-ring)
    • IPx9 - CAB412RF (uses RFCT-SMA061-F78 - Rear Mount with EPDM O-ring)
    • IP6x - RFCT-SMA095-F78-1 (Front Mount with EPDM O-ring)
    • IPx8 - RFCT-SMA095-F78-1 (Front Mount with EPDM O-ring)
    • IPx9k - RFCT-SMA095-F78-1 (Front Mount with EPDM O-ring)
  • Stainless Steel SUS303 Nautilus Range with Silicone O-ring

    See the test data for:

    • IP6x - CAB412RF (uses RFCT-SMA061-F78 - Rear Mount with Silicone O-ring)
    • IPx8 - CAB412RF (uses RFCT-SMA061-F78 - Rear Mount with Silicone O-ring)
    • IPx9 - CAB412RF (uses RFCT-SMA061-F78 - Rear Mount with Silicone O-ring)
    • IP6x - RFCT-SMA095-F78 (Front Mount with Silicone O-ring)
    • IPx8 - RFCT-SMA095-F78 (Front Mount with Silicone O-ring)
    • IPx9k - RFCT-SMA095-F78 (Front Mount with Silicone O-ring)
  • Stainless Steel SUS316 Nautilus Range

    See the test data for:

    • RFCT-SMA122-F13
  • Isolated Nautilus SMA Connectors

    See the test data in the Resources section on the product page for the following connectors:

    • RFCT-SMA085-F78
    • RFCT-SMA086-F78
  • Isolated Nautilus TNC Connectors

    See the test data in the Resources section on the product page for the following connectors:

    • RFCT-TNC016-F78
  • PCB Mounted SMA Nautilus Range

    See the test data for:

    • RFPC-SMA15-FN and RFPC-SMA16-FN
  • Protective Waterproof Caps with Chain

    See the test data for:

    • SMA, TNC and N Caps with Chain
  • Protective Waterproof Caps without Chain

    See the test data for:

    • IPx7 Test Data for SMA, TNC and N Caps without Chain
    • IP6x Test Data for SMA, TNC and N Caps without Chain
• Accelerated Life Testing - SMA Bulkhead Connector

  Our SMA Nautilus connectors are subjected to simulated prolonged use in demanding environments for extra piece of mind. Here's all the details. Read about our Accelerated Life Testing.

• O-Ring Material Data Sheet - EPDM

  Our Stainless Steel bodied Nautilus connectors have an EPDM O-Ring option for protection in corrosive environments, find out more on the material data sheet. See Material Data Sheet

• O-Ring Material Data Sheet - Silicone

  Our IP rated connectors are protected with Silicone rubber O-Rings, find out more on our data sheet. See Silicone O-Ring Data Sheet