SMA Male to SMA Male RG316/U Cable Assembly
A compact, flexible 50-ohm RF interconnect engineered by MTT Innovations for dependable signal routing from DC to 3 GHz. Available in standard and custom lengths for production, field integration and laboratory use.
Select the required length in the purchase panel above.
The native Squarespace product controls manage the selected length, live price, quantity, inventory and Add to Cart. Standard metric lengths are shown below; custom lengths can be quoted.
Standard assembly lengths
Nominal connector-to-connector length. Choose the corresponding product variant before adding the pack to the cart.
Built around a compact, flexible RG316/U transmission line.
The values below reproduce the published PE3573LF reference characteristics used to define the MTT alternative. Final MTT production values, length-dependent loss and mechanical details are confirmed on the approved MTT drawing.
Electrical performance
| Frequency range | DC to 3 GHz |
|---|---|
| Nominal impedance | 50 Ω |
| VSWR | 1.4:1 maximum |
| Return loss | 15.563 dB minimum |
| Capacitance | 32 pF/ft [104.99 pF/m] |
| Coax flex type | Flexible |
Cable construction
| Coaxial cable | RG316/U flexible coax |
|---|---|
| Inner conductor | Stranded, silver-plated copper-clad steel |
| Dielectric | PTFE |
| Outer jacket | FEP, tan |
| Shield construction | Single silver-plated copper braid |
| Jacket diameter | 0.098 in [2.49 mm] |
| Solder / compliance | Lead-free / RoHS configuration |
Mechanical reference
| Assembly width / diameter | 0.312 in [7.92 mm] |
|---|---|
| Published assembly weight | 0.034 lb [15.42 g] |
| Connector configuration | Straight SMA male × 2 |
| Connector hex size | 5/16 in |
| Recommended coupling torque | 5 in-lb [0.57 N·m] |
Construction summary
| Connector body | Nickel-plated brass |
|---|---|
| Body plating | 100 µin minimum |
| Center contact | Gold-plated brass |
| Contact plating | 30 µin minimum |
| Connector dielectric | PTFE |
| Frequency | 0.10 GHz | 0.25 GHz | 0.50 GHz | 1.00 GHz | 3.00 GHz |
|---|---|---|---|---|---|
| dB/ft | 0.31 | 0.36 | 0.438 | 0.58 | 0.78 |
| dB/m | 1.02 | 1.18 | 1.44 | 1.90 | 2.56 |
Reference values are stated at 25 °C and sea level. Cable loss is specified per unit length; complete assembly performance also depends on the selected length and connector contribution.
| Characteristic | Connector 1 | Connector 2 |
|---|---|---|
| Type | SMA male | SMA male |
| Interface standard | MIL-STD-348A | MIL-STD-348A |
| Impedance | 50 Ω | 50 Ω |
| Configuration | Straight | Straight |
| Contact | Gold-plated brass | Gold-plated brass |
| Body / coupling nut | Nickel-plated brass | Nickel-plated brass |
| Hex / torque | 5/16 in / 5 in-lb | 5/16 in / 5 in-lb |
Length, labeling and inspection requirements.
The reference drawing defines asymmetric cable-length tolerances and label placement according to the overall assembly length.
| Nominal assembly length | Positive tolerance | Negative tolerance |
|---|---|---|
| ≤ 12 in [305 mm] | +1 in [+25 mm] | 0 |
| >12 to 60 in [1524 mm] | +2 in [+51 mm] | 0 |
| >60 to 120 in [3048 mm] | +4 in [+102 mm] | 0 |
| >120 to 300 in [7620 mm] | +6 in [+152 mm] | 0 |
| >300 in [7620 mm] | +5% | 0 |
Up to 36 inches
One assembly-length label positioned approximately at the cable center.
Over 36 inches
Two labels positioned approximately 6 inches from their respective connectors.
Continuity verification
Each completed cable assembly is tested for continuity. Additional RF test reporting is available by agreement.
Download the 3D model.
Use the reference CAD geometry for mechanical evaluation and preliminary integration. Final MTT production geometry remains controlled by the approved MTT drawing.
PE3573LF reference 3D CAD model
Connector and assembly reference geometry supplied in an interoperable mechanical CAD format.
A clear path from reference part to MTT supply.
MTT can configure the assembly to match the required length and documentation package while retaining the reference interface and cable family.
| Reference manufacturer | Pasternack | Cross-reference basis |
|---|---|---|
| Reference part | PE3573LF | Alternative offered by MTT |
| MTT family | MTT-RG316-SM-SM-[length] | Length-configurable |
| Connector interface | SMA male to SMA male | Matched |
| Cable / impedance | RG316/U · 50 Ω | Matched |
| Frequency ceiling | 3 GHz | Matched target |
Compatibility statement: this is an MTT Innovations alternative designed against the published PE3573LF interface and cable-family characteristics. Final form, fit, electrical performance, length tolerance, materials and compliance documentation are confirmed against the customer-approved MTT drawing and purchase specification.
Specify the evidence your program needs.
MTT can align the inspection and documentation package to prototype, production or controlled-program requirements.
Electrical inspection
Continuity and short-circuit checks, with VNA-based performance verification available for the agreed frequency band and length.
Mechanical definition
Approved assembly drawing covering overall length, connector orientation, labels, heat-shrink and packing requirements.
Quality records
Inspection report, compliance declaration, lot identification and certificate package available as specified in the order.
Send the length, quantity and application.
For a fast technical and commercial response, include the required cable length, annual or immediate quantity, frequency band, operating environment, labeling needs and any inspection or qualification requirement.
Pasternack and PE3573LF are referenced solely to identify the product for comparison. MTT Innovations Pvt. Ltd. is not affiliated with, sponsored by or endorsed by Pasternack Enterprises, Inc. All trademarks belong to their respective owners.