Custom coaxial cable assembly solutions featuring Bel Fuse 5151-DKF-0018 for RF microwave applications
Product Overview
Semflex, a Cinch Connectivity Solutions brand, is a leading manufacturer of high-quality coaxial cable and cable assemblies with over 40 years of expertise. They specialize in rapid design and manufacturing of custom cable solutions for diverse environmental, mechanical, and electrical conditions. Semflex is vertically integrated, producing high-performance RF/Microwave cables, assemblies, and connectors for global high-technology firms. Their mission is to support customer success through cost-effective, one-stop solutions, reduced time-to-market with rapid turnaround, and increased system reliability with high-quality products that exceed specifications. Semflex serves industries including military weapons platforms, electronic countermeasures, cellular base stations, satellite communications, commercial and military airframes, precision test and measurement, and semiconductor sputtering.
Product Attributes
- Brand: Semflex (a Cinch Connectivity Solutions brand)
- Origin: USA (implied by belfuse.com/cinch)
- Material: Silver plated copper, copper clad aluminum, FEP jacket, Polyurethane jacket, PTFE dielectric, Microporous PTFE dielectric
- Shielding: Silver or tin plated copper wire, bare copper or aluminum wire, foil tapes (80-100% coverage), woven flat braid, helical flat braid, round braid
Technical Specifications
Catalog Configured Cable Assemblies
HPI/LAI Series
The most customer configurable cable assembly series, available with high performance HP cable series and low attenuation LA cable series. Offers custom options such as phase matching and custom marking upon request. All connectors designed to meet MIL-C-39012 standards.
| Cable Type | Max. Freq. (GHz) | k1 | k2 | Jacket Type | Center Cond. Type |
|---|---|---|---|---|---|
| HP120S | 55 | 15.22 | 0.59 | FEP | S (Solid) |
| HP160S | 40 | 11.72 | 0.38 | FEP | S (Solid) |
| HP160U | 40 | 13.33 | 0.87 | FEP | S (Solid) |
| HP190S | 28 | 7.45 | 0.35 | FEP | S (Solid) |
| HP305S | 18 | 4.76 | 0.37 | FEP | S (Solid) |
| HP450 | 12 | 3.44 | 0.36 | FEP | S (Stranded) |
| LA190S | 28 | 7.38 | 0.32 | FEP | S (Solid) |
| LA290S | 18 | 4.24 | 0.19 | FEP | S (Solid) |
Assembly Lengths: Min 6 in, Max 480 in. Standard Length Tolerance: 6~119 -0, +0.5; 120~179 -0, +1; 180~480 -0, +4.
HPT Series
Available with high performance HP cable series. Features a heavy-duty on-cable hot molded rubber boot for exceptional strain relief. Ideal for lab and production testing and high flexure applications up to 50GHz.
| Cable Type | Max. Freq. (GHz) | k1 | k2 |
|---|---|---|---|
| HP120S | 55 | 15.22 | 0.59 |
| HP160S | 40 | 11.72 | 0.38 |
| HP160U | 40 | 13.33 | 0.87 |
| HP190S | 28 | 7.45 | 0.35 |
| HP305S | 18 | 4.76 | 0.37 |
Assembly Lengths: Min 6 in, Max 480 in.
DKF Series
Available with HP190S cable. Features a heavy-duty slip-on rubber boot for strain relief. Available in standard lengths with straight male connectors for lab and production applications up to 18GHz.
| Cable Type | Max. Freq. (GHz) | k1 | k2 |
|---|---|---|---|
| HP190S | 28 | 7.45 | 0.35 |
Assembly Lengths: Min 6 in, Max 480 in.
SWI Series
Available with SW series cable. A higher performance alternative to RG series cable assemblies, ideal for in-box or in-cabinet applications up to 18GHz.
| Cable Type | Max. Freq. (GHz) | k1 | k2 |
|---|---|---|---|
| SW060 | 129 | 38.38 | 0.36 |
| SW086 | 71 | 22.62 | 0.63 |
| SW110 | 55 | 16.15 | 0.60 |
| SW150 | 40 | 12.45 | 0.35 |
| SW180 | 28 | 8.62 | 0.39 |
Assembly Lengths: Min 6 in, Max 480 in.
Superior Cable Technology
Jacket Materials
- Polyurethane: Low temperature rating, UV resistant, abrasion resistant, flexible (-65 to 85C)
- FEP: High temperature rating, chemical resistant, moisture resistant, low smoke, low outgassing (-65 to 200C)
Shielding Options
- Triple Shield: Woven flat braid, polyimide foil, round braid (>90 dB shielding effectiveness)
- Double Shield: Helical flat braid, round braid (>100 dB shielding effectiveness)
- Double Shield: Woven flat braid, round braid (>85 dB shielding effectiveness)
- Double Shield: Polyester foil, round braid (>85 dB shielding effectiveness)
- Double Shield: Round braid, round braid (>60 dB shielding effectiveness)
- Single Shield: Round braid (>40 dB shielding effectiveness)
Dielectric Materials
- Polyethylene: Temp (-40 to 85C), VP (66-85%)
- Solid PTFE: Temp (-65 to 125C), VP (70%)
- Low Density PTFE: Temp (-65 to 200C), VP (74-78%)
- Ultra Low Density PTFE: Temp (-65 to 200C), VP (82-85%)
Center Conductor Materials
- Solid Conductors: Less resistance, lower loss, higher power
- Stranded Conductors: More flexible
- Silver Plating: Lowest loss, solderable
- Copper Clad: Cost effective, solderable
High Performance Cable Series Overview
LA Series Cable
Provides the best combination of low attenuation, phase stability, and mechanical performance. Offers excellent bend and crush resistance. Ideal for phase stability over temperature and flexure.
| Cable | O.D. (in) | Min Bend Radius (in) | Operating Temp (C) | Weight (lbs/ft) | Impedance (ohms) | Capacitance (pf/ft) | Inductance (nH.ft) | Shielding Effectiveness (dB) | Cut off Freq. (GHz) | Velocity of Propagation (%) | Breakdown Voltage (KV) | Max Structural VSWR | k1 | k2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LA190S | 0.189 | 1.1 | -65/+200 | 0.034 | 50 | 23.8 | 59 | >100 | 28 | 85 | >10 | 1.20:1 | 7.38 | 0.32 |
| LA290S | 0.292 | 1.600 | -65/+200 | 0.090 | 50 | 24 | 59 | >100 | 19.7 | 83 | >15 | 1.20:1 | 4.240 | 0.185 |
HP Series Cable
A long-standing choice for military and aerospace interconnects. Excels in test and measurement applications offering high performance, flexibility, and a wide range of connectors for applications up to 50GHz. Triple shield construction provides superior pull-off force and resistance to harsh handling.
| Cable | O.D. (in) | Min Bend Radius (in) | Operating Temp (C) | Weight (lbs/ft) | Impedance (ohms) | Capacitance (pf/ft) | Inductance (nH.ft) | Shielding Effectiveness (dB) | Cut off Freq. (GHz) | Velocity of Propagation (%) | Breakdown Voltage (KV) | Max Structural VSWR | k1 | k2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HP120S | 0.124 | 0.6 | -65/200 | 0.02 | 50 | 26.7 | 67 | >90 | 55 | 74% | >5 | 1.20:1 | 15.22 | 0.59 |
| HP160S | 0.160 | 0.9 | -65/200 | 0.04 | 50 | 26.9 | 66 | >90 | 40 | 75% | >7 | 1.20:1 | 11.72 | 0.38 |
| HP160U | 0.168 | 0.9 | -65/85 | 0.03 | 50 | 27 | 66 | >90 | 40 | 78% | >7 | 1.20:1 | 13.33 | 0.87 |
| HP190S | 0.205 | 1.1 | -65/200 | 0.05 | 50 | 26.7 | 66 | >90 | 28 | 75.5% | >10 | 1.20:1 | 7.45 | 0.35 |
| HP305S | 0.305 | 1.8 | -65/200 | 0.09 | 50 | 26.2 | 66 | >90 | 18 | 77% | >15 | 1.20:1 | 4.76 | 0.37 |
| HP450 | 0.450 | 2.5 | -65/200 | 0.20 | 50 | 26 | 62 | >90 | 12 | 78% | >20 | 1.20:1 | 3.44 | 0.36 |
SW Series Cable
Offers low loss cable solutions bridging the gap between RG and high-performance cables. Employs microporous PTFE dielectrics and a simple double braid construction for exceptional electrical performance and simplified connector attachments.
| Cable | O.D. (in) | Min Bend Radius (in) | Operating Temp (C) | Weight (lbs/ft) | Impedance (ohms) | Capacitance (pf/ft) | Inductance (nH/ft) | Shielding Effectiveness (dB) | Cut off Freq. (GHz) | Velocity of Propagation (%) | Breakdown Voltage (KV) | Max Structural VSWR | k1 | k2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SW060 | 0.060 | 0.275 | -65/200 | 0.010 | 50 | 27 | 68 | >85 | 129 | 75% | >1 | 1.15:1 | 38.375 | 0.359 |
| SW086 | 0.090 | 0.4 | -65/200 | 0.015 | 50 | 27 | 67 | >85 | 71 | 74% | >3 | 1.15:1 | 22.621 | 0.630 |
| SW110 | 0.118 | 0.5 | -65/200 | 0.020 | 50 | 27 | 66 | >85 | 55 | 76% | >5 | 1.15:1 | 16.151 | 0.595 |
| SW150 | 0.153 | 0.8 | -65/200 | 0.040 | 50 | 26.9 | 66 | >85 | 40 | 76% | >7 | 1.15:1 | 12.446 | 0.346 |
| SW180 | 0.196 | 1.0 | -65/200 | 0.050 | 50 | 26.7 | 62 | >85 | 28 | 77% | >10 | 1.15:1 | 8.624 | 0.392 |
KW Series Cable
Offers ultra-low attenuation and higher power ratings with incredible flexibility, suitable for tight installations. Features copper clad aluminum center conductors and a soft, pliable polyurethane jacket.
| Cable | O.D. (in) | Min Bend Radius (in) | Operating Temp (C) | Weight (lbs/ft) | Impedance (ohms) | Capacitance (pf/ft) | Inductance (nH.ft) | Shielding Effectiveness (dB) | Cut off Freq. (GHz) | Velocity of Propagation (%) | Breakdown Voltage (KV) | Max Structural VSWR | k1 | k2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KW430 | 0.430 | 2.2 | -65/85 | 0.15 | 50 | 24 | 62 | >85 | 14 | 83% | >17 | 1.20:1 | 3.894 | 0.396 |
| KW530 | 0.530 | 2.5 | -65/85 | 0.20 | 50 | 24 | 62 | >85 | 11 | 83% | >20 | 1.20:1 | 3.079 | 0.365 |
SM Series Cable
A flexible alternative to semi-rigid cable, utilizing the same connectors and tooling. Ideal for military ECM, guidance systems, commercial antennas, and communication applications requiring compact interconnects. Offers >100 dB shielding effectiveness.
| Cable | O.D. (in) | Min Bend Radius (in) | Operating Temp (C) | Weight (lbs/ft) | Impedance (ohms) | Capacitance (pf/ft) | Inductance (nH.ft) | Shielding Effectiveness (dB) | Cut off Freq. (GHz) | Velocity of Propagation (%) | Breakdown Voltage (KV) | Max Structural VSWR | k1 | k2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SM405 | 0.101 | 0.150 | -65/125 | 0.015 | 50 | 29.4 | 71 | >100 | 60 | 70% | >2 | 1.20:1 | 23.98 | 1.20 |
| SM402 | 0.161 | 0.250 | -65/125 | 0.033 | 50 | 29.4 | 71 | >100 | 34 | 70% | >5 | 1.20:1 | 10.35 | 1.24 |
Connectors Overview
Semflex offers a large selection of microwave connectors designed for excellent electrical transitions and low VSWR. They provide hundreds of other connector designs for special requirements including high power, swept 90 bends, environmental sealing, low intermod characteristics, and special plating.
| Connector Type | Part Number Example | Assembly Procedure Example |
|---|---|---|
| SMA Male | 21040-111 | 70025-802CU |
| SMA R/A Male | 21041-111 | 70025-803CU |
| SMA Bhd Female | 21042-111 | 70025-804CU |
| TNC Male | 21043-111 | 70025-805CU |
| TNC R/A Male | 21044-111 | 70025-806CU |
| TNC Bhd Female | 21045-111 | 70025-807CU |
| N Male | 21037-111 | 70025-799CU |
| N R/A Male | 21038-111 | 70025-800CU |
| N Bhd Female | 21039-111 | 70025-801CU |
| 2.4mm Male | 20668-111 | 70025-818CU |
| 2.4mm R/A Male | 20719-111 | 70025-818CU |
| 2.92mm Male | 20670-111 | 70025-818CU |
| 2.92mm R/A Male | 20723-111 | 70025-818CU |
| 2.92mm Bhd Female | 20724-111 | 70025-818CU |
| 3.5mm Male | 20666-111 | 70025-818CU |
| 3.5mm R/A Male | 20715-111 | 70025-818CU |
| 3.5mm Bhd Female | 20716-111 | 70025-818CU |
2411041616_Bel-Fuse-5151-DKF-0018_C22263988.pdf
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