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SMA Cables


  • SMA-to-SMA Cables
  • Premium SMA-to-SMA Microwave Cables
  • SMA-to-BNC Cables
  • Premium SMA-to-SMP Microwave Adapter Cables

CA2812

Standard SMA-to-BNC Adapter Cable

CA2912

Standard SMA-to-SMA Cable

SMM12

Premium SMA-to-SMA Microwave Cable

SMGF3

Premium SMA-to-SMP Microwave Adapter Cable

Related Items


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All the cables sold by Thorlabs that have an SMA connector on at least one end are displayed on this page. The selection of cables below includes both standard cables and Thorlabs' Premium Microwave Cables. The following links will take you to web pages that contain cables with BNC, SMC, USB, and Banana connectors. A calibrated torque wrench is available below to ensure that the proper mating torque is supplied when connecting two SMA connectors.


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Posted Comments:
Poster:ed.price
Posted Date:2015-09-15 15:59:01.37
Hi I'm unsure about the frequency range for these cables. SMA cables normally go to 18 GHz or more but the spec on the website says 3 GHz. I expect this is a typo but can you confirm that for me please. Thanks for your help
Poster:besembeson
Posted Date:2015-10-02 12:37:56.0
Response from Bweh at Thorlabs USA: There are differences in the connector and cable material used, and these cover different frequency ranges. The ones we carry are for up to 3GHz. We offer higher frequency range cables as specials.
Poster:massimo.giudici
Posted Date:2015-07-31 16:43:52.063
CA29XX were given at DC-12.4 GHz few years ago. Now they are announcend DC-3GHz????
Poster:besembeson
Posted Date:2015-09-24 09:47:25.0
Response from Bweh at Thorlabs USA: 3GHz is the correct specifications for the cables we carry. I will follow-up by email regarding the previous numbers.
Poster:bdada
Posted Date:2012-01-26 17:21:00.0
Response from Buki at Thorlabs: Thank you for using our feedback forum. We would like to assist you further with your application but we do not have your contact information. Please email TechSupport@thorlabs.com
Poster:
Posted Date:2012-01-11 20:50:29.0
Hello: how good is the isolation of coupling between calbes?

SMA to SMA Cables

SMA Male Cord Ends
Click to Enlarge
Each Cable is Terminated with SMA Male Connectors
  • Available in 6" to 48" Lengths
  • 50 Ω Impedance
  • DC - 3 GHz Frequency Range
  • 750 V (RMS) Dielectric Withstanding Voltage
  • 250 V (RMS) Working Voltage
  • Ø0.1" (Ø2.5 mm) Cable Diameter
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
CA2906 Support Documentation
CA2906SMA Coaxial Cable, SMA Male to SMA Male, 6" (152 mm)
$14.28
Today
CA2912 Support Documentation
CA2912SMA Coaxial Cable, SMA Male to SMA Male, 12" (304 mm)
$14.79
Today
CA2924 Support Documentation
CA2924SMA Coaxial Cable, SMA Male to SMA Male, 24" (609 mm)
$15.91
Today
CA2948 Support Documentation
CA2948SMA Coaxial Cable, SMA Male to SMA Male, 48" (1219 mm)
$18.16
Today

Premium SMA-to-SMA Microwave Cables

Microwave Cable Connectors
Click to Enlarge

Each Cable is Terminated with SMA Male Connectors
  • Premium Microwave Cables for High-Frequency Applications
  • Available in 3" to 36" Lengths
  • 50 Ω Impedance
  • DC - 26 GHz Frequency Range
  • 1500 VDC Withstand Voltage
  • 2.6 mm Cable Diameter

Thorlabs’ SMA-to-SMA Microwave Cables support frequencies from DC up to 26 GHz. Each flexible cable is terminated with an SMA male connector on either end (see the image to the right). They are available in lengths of 3", 6", 12", 24", or 36". Each cable has a low VSWR from DC to 26 GHz as well as a low insertion loss. In general, we recommend using the shortest cable that is suitable for your application.

The SMA connector can mate directly to a 2.92 mm, 3.5 mm, or K™ connector. As a result, these cables are compatible with many of Thorlabs' High-Speed Detectors that use SMA connectors, as well as our 20 GHz EO Modulator that uses a K™ connector.

For more information on Thorlabs' full selection of Premium Microwave Cables for high-frequency applications, see the full web presentation.

A calibrated torque wrench is available below to ensure that the proper mating torque is supplied when connecting these cables. A calibrated torque wrench should always be used to mate these coaxial connectors. Not doing so can damage the cable or reduce its overall performance.

Item # Length Max Insertion
Loss
Insertion Loss Plot
(Click to Enlarge)
Outer Cable
Diameter
Center Conductor
(Solid)
Min Bend
Radius
Coupling Hex
Nut Size
Recommended
Coupling Torque
SMM3 76 mm ± 8 mm (3.00" ± 0.30") 0.9 dB 2.6 mm Ø0.5 mm 6.4 mm 5/16" 5 in•lb
(0.56 N•m)
SMM6 152 mm ± 10 mm (6.00" ± 0.40") 1.3 dB
SMM12 305 mm ± 10 mm (12.00" ± 0.40") 2.0 dB
SMM24 610 mm ± 10 mm (24.00" ± 0.40") 3.5 dB
SMM36 914 mm ± 10 mm (36.00" ± 0.40") 4.9 dB
Frequency Range Impedance Withstand Voltage Capacitance Max Average Power Max VSWRa Propagation Velocity
DC - 26 GHz 50 Ω 1500 VDC 96 pF/m 31 W @ 10 GHz 1.3 @ 18 GHz
1.7 @ 26 GHz
69.5%
  • Voltage Standing Wave Ratio
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
SMM6 Support Documentation
SMM6Microwave Cable, SMA Male to SMA Male, 6" (152 mm)
$45.00
Today
SMM3 Support Documentation
SMM3Microwave Cable, SMA Male to SMA Male, 3" (76 mm)
$40.00
Today
SMM12 Support Documentation
SMM12Microwave Cable, SMA Male to SMA Male, 12" (305 mm)
$50.00
Today
SMM24 Support Documentation
SMM24Microwave Cable, SMA Male to SMA Male, 24" (610 mm)
$60.00
Today
SMM36 Support Documentation
SMM36Microwave Cable, SMA Male to SMA Male, 36" (914 mm)
$70.00
3-5 Days

SMA-to-BNC Cables

SMA to BNC Cord Ends
Click for Details

Boot Style May Vary
SMA to BNC Cable Drawing
Click to Enlarge
Boot Style Pictured Above is Only Representative
  • Available in 6" to 48" Lengths
  • 50 Ohm Impedance
  • DC - 4.0 GHz Frequency Range
  • 750 V (RMS) Dielectric Withstanding Voltage
  • 250 V (RMS) Working Voltage
  • Ø0.1" (Ø2.5 mm) Cable Diameter
  • RG-316 Cable
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
CA2806 Support Documentation
CA2806SMA Coaxial Cable, SMA Male to BNC Male, 6" (152 mm)
$14.99
Today
CA2812 Support Documentation
CA2812SMA Coaxial Cable, SMA Male to BNC Male, 12" (304 mm)
$15.50
Today
CA2824 Support Documentation
CA2824SMA Coaxial Cable, SMA Male to BNC Male, 24" (609 mm)
$16.42
Today
CA2848 Support Documentation
CA2848SMA Coaxial Cable, SMA Male to BNC Male, 48" (1219 mm)
$18.26
Today

Premium SMA-to-SMP Microwave Adapter Cables

SMA-to-SMP Microwave Cable
Click to Enlarge

SMA Female to SMP Female
(Item #s SFGF3 and SFGF6)
SMA-to-SMP Microwave Cable
Click to Enlarge

SMA Male to SMP Female
(Item #s SMGF3 and SMGF6)
  • Premium Microwave Cables for High-Frequency Applications
  • 50 Ω Impedance
  • Available in 3" or 6" Lengths
  • DC - 18 GHz Frequency Range
  • 1500 VDC Withstand Voltage
  • 2.64 mm Cable Diameter
  • Available with SMA Male or Female Connector to SMP Female Connector

Thorlabs' premium microwave adapter cables have an SMP female connector on one end and either a male or female SMA connector on the other. Each style of adapter cable is available in 3" or 6" lengths. Each cable has a low VSWR of ≤1.4 from DC to 18 GHz, as well as a low insertion loss (see the table below). In general, we recommend using the shortest cable that is suitable for your application.

The SMP connector can mate directly to a GPO® connector, while the SMA connector can mate directly to a 2.92 mm, 3.5 mm, or K™ connector. The GPO connector compatibility makes these cables suitable for use with Thorlabs' 10 GHz Electro-Optic Modulators and 40 Gb/s DQPSK Modulator.

For more information on Thorlabs' full selection of Premium Microwave Cables for high-frequency applications, see the full web presentation.

A calibrated torque wrench is available below to ensure that the proper mating torque is supplied when connecting these cables. A calibrated torque wrench should always be used to mate these coaxial connectors. Not doing so can damage the cable or reduce its overall performance.

Item # Length Max Insertion
Loss
Outer Cable
Diameter
Center Conductor
(Solid)
Min Bend
Radius
Coupling Hex
Nut Size
Recommended
Coupling Torque
SMGF3 76 mm ± 8 mm (3.00" ± 0.30") 1.0 dB 2.64 mm Ø0.51 mm 6.4 mm 5/16" 5 in•lb
(0.56 N•m)
SMGF6 152 mm ± 10 mm (6.00" ± 0.40") 1.2 dB
SFGF3 76 mm ± 8 mm (3.00" ± 0.30") 1.0 dB
SFGF6 152 mm ± 10 mm (6.00" ± 0.40") 1.2 dB
Frequency Range Impedance Withstand Voltage Capacitance Max Average Power Max VSWRa Propagation Velocity
DC - 18 GHz 50 Ω 1500 VDC 96 pF/m 31 W @ 10 GHz 1.4 @ 18 GHz 69.5%
  • Voltage Standing Wave Ratio
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
SMGF3 Support Documentation
SMGF3Microwave Adapter Cable, SMA Male to SMP Female, 3" (76 mm)
$51.00
Today
SMGF6 Support Documentation
SMGF6Microwave Adapter Cable, SMA Male to SMP Female, 6" (152 mm)
$56.25
Today
SFGF3 Support Documentation
SFGF3Microwave Adapter Cable, SMA Female to SMP Female, 3" (76 mm)
$51.00
Today
SFGF6 Support Documentation
SFGF6Microwave Adapter Cable, SMA Female to SMP Female, 6" (152 mm)
$56.25
Today

Calibrated Torque Wrench for SMA Connectors

Coaxial Connector Wrench
Click to Enlarge

The Wrench is Engraved for Easy Identification in the Field
  • Break-Over Design Ensures Proper Mating Torque is Supplied
  • Preset to 5 in-lbs (0.57 N•m) to Prevent Over-Tightening of Brass SMA Connectors
  • Engraved with Preset Torque Value, Torque Direction, Wrench Size, and Item #

This 5/16" Torque Wrench is calibrated to provide 5 in-lbs of torque to prevent over-tightening of most SMA connectors. When the preset torque value has been achieved, the break-over design will cause the pivoting joint to bend. This will prevent further force from being applied to the connector. The wrench's hex head will move back into place once the force is removed. Each wrench is engraved with its preset torque value, torque direction, wrench size, and item # for easy identification in the field.

Torque calibration is guaranteed for one year from the date of purchase. If necessary, the wrench may be returned to Thorlabs for recalibration, please contact Tech Support for details.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
TQW5A Support Documentation
TQW5A5/16" Calibrated Torque Wrench for Coaxial Connectors, 5 in-lbs
$206.04
Today

Cable Racks

  • Wall Mount Cable Racks
  • Store Cables Straight and Untangled
  • T1508 is Ideal for Fiber Optic Patch Cables

The T1508 is a test lead holder for wires up to 0.210" (5.33 mm) in diameter and has 14 slots for cables. It is ideal for holding fiber optic patch cables.

The T2708 is a test lead holder for wires up to 0.450" (11.43 mm) in diameter and has 9 slots for cables.

The cable racks are made from cold rolled steel with a baked enamel finish. The wall mounting holes are separated by 3" (76.2 mm). Both racks are 11" (279 mm) long and extend outward from the wall by 3.5" (88.9 mm).

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
T1508 Support Documentation
T1508Wall Mount BNC, SMA, SMC, & Fiber Optic Cable Rack, 14 Slot
$13.16
Today
T2708 Support Documentation
T2708Wall Mount Power Cord and Heavy-Duty Cable Rack, 9 Slot
$13.57
Today
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