MTT3573LF · Order your configuration
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12 months of coverage against defects in materials and workmanship.
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One-year limited warranty: Coverage runs for 12 months from the MTT invoice date for defects in materials and workmanship under normal intended use. After inspection, MTT may repair or replace the affected assembly. Proof of purchase and return authorization are required. Normal wear, misuse, incorrect installation, excessive bending, crushing, connector over-torque, unauthorized modification and environmental exposure beyond the product rating are excluded. Shipping and incidental costs are excluded unless agreed in writing.
MTT Innovations / RF cable assemblies
MTT3573LFSmall cable.
Considered
connections.
RG316 SMA male to SMA male.
A flexible 50 Ω assembly for connections from DC to 3 GHz.
Assembly perspective · Select a thumbnail to explore.
3D illustrations; connector detail and cable routing are approximate.
The assembly
Flexible by construction.
Connected by design.
MTT3573LF brings together RG316 coaxial cable and straight SMA male connectors at both ends. A stranded silver-plated copper-clad steel conductor, PTFE dielectric and silver-plated copper braid sit beneath a tan FEP jacket. Confirm the assembly length and operating requirements with MTT when ordering.
Stranded core
Silver-plated copper-clad steel with a PTFE dielectric.
RG316 construction
A single silver-plated copper braid and a flexible tan FEP jacket.
Straight SMA males
Gold-plated brass contacts and nickel-plated brass bodies at both ends.
Explore the details
A closer look at the connection.
Illustrations generated from an approximate 3D model of the supplied drawing. Threads and internal details are simplified. These views are not manufacturing or mating-interface drawings.
Technical information
Specifications, clearly arranged.
Electrical specifications
| Frequency range | DC–3 GHz |
|---|---|
| Impedance | 50 Ω |
| Return loss | 15.5 dB (datasheet value) |
| Capacitance | 32 pF/ft |
| VSWR | 1.4:1 |
| Cable length | Specify required assembly length when enquiring |
Cable construction & mechanical specifications
| Cable type | RG316 / flexible coaxial cable |
|---|---|
| Inner conductor | Stranded, silver-plated copper-clad steel |
| Dielectric | PTFE |
| Shield | Single silver-plated copper braid |
| Jacket | Tan FEP |
| Jacket diameter | 2.49 mm |
| Diameter listed in datasheet | 7.92 mm |
| Weight listed in datasheet | 15.42 g; applicable length to be confirmed |
Connector specifications · both ends
| Connector A / Connector B | SMA male / SMA male |
|---|---|
| Orientation | Straight / straight |
| Connector specification | MIL-STD-348A (as listed) |
| Connector impedance | 50 Ω |
| Contact material / plating | Brass / gold |
| Contact plating thickness | 30 µin minimum |
| Dielectric | PTFE |
| Body material / plating | Brass / nickel |
| Body plating thickness | 100 µin minimum |
| Coupling nut material / plating | Brass / nickel |
| Coupling nut plating thickness | 100 µin minimum |
| Hex size | 5/16 in (approximately 8 mm) |
| Torque | 5 in-lb / 0.57 N·m |
Insertion loss · per foot
| Frequency | Insertion loss (dB/ft) |
|---|---|
| 0.1 GHz | 0.31 dB/ft |
| 0.25 GHz | 0.36 dB/ft |
| 0.5 GHz | 0.43 dB/ft |
| 1 GHz | 0.58 dB/ft |
| 3 GHz | 0.78 dB/ft |
Per-foot values from the revised MTT3573LF datasheet, labelled “Insertion Loss (ft)”.
Assembly length, testing & compliance
| Part number / manufacturer | MTT3573LF / MTT |
|---|---|
| Length | Confirm at order. The drawing refers to approximately 36 inches and states length is determined by the part number and description. |
| Assembly check | Continuity testing specified in the drawing notes. |
| RoHS | Listed in the datasheet description; request the supporting declaration. |
| Availability & shipment | Ready in stock. Shipment in 1–2 weeks. |
Keep the details.
Download the MTT3573LF datasheet and the full cable assembly as a STEP model, including the RG316 cable and both SMA male connectors.
The full assembly STEP uses millimetres and an illustrative nominal 36-inch configuration. Connector dimensions and cable routing are approximate; not for manufacturing or mating-interface validation.
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