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716M-HCA158-001
7/16 DIN Male Connector for 1-5/8" Coaxial Cable, Gas stop, Silicone Sealing

Rev : B | Rev date : 15 Nov 2025

Radio Frequency Systems line of high-performance HELIFLEX® coaxial cable connectors are characterized by excellent gas tightness and extremely low losses. HELIFLEX® connectors can be installed with basic hand tools. Tab flange of outer connection and use of silicone sealing simplifies installation of the connector.
RFS connectors are fully tested for mechanical and electrical compliance to specifications.
HELIFLEX® connectors have excellent electrical values and provide outstanding performance for the most demanding applications. The RFS connector design provides maximum sealing integrity and gas tightness.

Feature / Benefits

  • Easy installation utilizing only basic hand tools.
  • Tab flare of outer contact attachment means quick and simple installation.
  • The connector is ready for pressurization immediately after installed to the cable.
  • Excellent gas tightness. Overpressure for increased voltage handling is maintained throughout the system.
  • Outstanding VSWR performance improves overall system performance.
  • Totally waterproof, assures safe, long term operation in the harshest of environments. 
  • RoHS (EU) and CRoHS (China) compliant, can be used on a global basis.
716m-hca158-001.jpg
General Specifications
Cable Size 1-5/8"
Cable Type Air Dielectric
Model Series HCA158-50 Series
Connector Interface 7-16 DIN (50 Ω) per IEC 61169-4
Connector Type
Gas barrier
Sealing Method
Sealing compound 1)
Silicone rubber inside connector
Copper sealing for gas inlet
 
Mechanical Specifications
Body Material Copper alloy
Inner Contact Material Copper alloy
Plating Outer/Inner silver-plated / silver-plated
Length 146mm (5.748in)
Outer Diameter 74mm (2.913in)
Weight 1.5kg (3.307lb)
Inner Contact Attachment Thread
Outer Contact Attachment Tab Flare
Electrical Specifications
Maximum Frequency 2.7 GHz
Frequency Range VSWR value Return Loss value
0 < f ≤ 1.0 GHz 1.02 40
1.0 < f ≤ 2.3 GHz 1.03 36.6
2.3 < f ≤ 2.7 GHz 1.06 30.7
Accessories
Trimming Tool FTOOL-B118318 FDIE-B158

External Document Links

Notes

1) Connector does not include PLAST 2000 silicone sealing
 
Gas inlet thread G1/8"

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