Electrical Adapters


  • BNC, SMA, SMC, SHV, Banana, and Microwave Cable Adapters
  • Machined from the Highest Quality Materials
  • 50 Ω Impedance

SMA Adapters

8 Choices

2.92 mm Adapters

7 Choices

BNC to Electrical
Interface Adapters

3 Choices

Banana Adapters

3 Choices

2.4 mm Adapters

7 Choices

BNC Adapters

7 Choices

SMC Adapters

8 Choices

SHV Adapters

3 Choices

Related Items


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Thorlabs offers a variety of electrical adapters including BNC, SMA, SMC, and banana adapters as well as several BNC to SMC, SMA to BNC, and SHV to BNC adapters. We also offer microwave cable adapters, BNC terminating brackets, a screw terminal pins-to-female BNC connector cable, and an SHV interface. All connectors on this page feature a 50 Ω impedance.

Calibrated torque wrenches are available to ensure that the proper mating torque is supplied when connecting two SMA, 2.92 mm, 2.4 mm, 1.85 mm, K, or V coaxial connectors.

Thorlabs also supplies 76-piece and 62-piece BNC and SMA electrical adapter kits.


Posted Comments:
Patrick Poncioni  (posted 2021-06-24 09:23:49.04)
Dear Madam, Sir, For my assemblies, I need the 3D drawing (step or solidworks) of this part. Would it be possible to receive it? Thanks in advance and I wish you a nice day.
cdolbashian  (posted 2021-07-20 08:38:55.0)
Thank you for reaching out to us at Thorlabs. I have reached out to you directly with this .step file.
mjburek  (posted 2017-07-15 12:48:37.57)
Is it possible to get this product with a 4 adapter configuration, similar to what has been recently offered for the fiber connectors (i.e. ADAFCB5)?
nbayconich  (posted 2017-08-08 02:08:21.0)
Thank you for contacting Thorlabs. I will reach out to you directly about our custom capabilities.
mjburek  (posted 2017-07-14 13:48:36.533)
Is it possible to supply a version of BNCB2, but with SMA straight female-to-female adapters?
tfrisch  (posted 2017-09-05 03:47:09.0)
Thank you for contacting Thorlabs. We will reach out to you with pricing.
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BNC to BNC Adapters

Thorlabs offers four types of BNC to BNC adapters in different configurations, as well as one BNC to BNC bracket with two interfaces; please note that the bracket is made of aluminum. These adapters feature a 50 Ω impedance.

Item # T3283 T3285 T3533 T3534 BNCB2
Click Image
to Enlarge
T3283 T3285 T3533 T3534 BNCB2
Description BNC Straight,
Female to Female
BNC T,
Female to Male to Female
BNC Straight,
Male to Male
BNC Elbow,
Male to Female
BNC Bracket,
Female to Female
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
T3283 Support Documentation
T3283BNC Adapter, Straight, Female-Female (F-F)
$8.26
Today
T3285 Support Documentation
T3285BNC Adapter, T, Female-Male-Female (F-M-F)
$11.53
Today
T3533 Support Documentation
T3533BNC Adapter, Straight, Male-Male (M-M)
$15.44
Today
T3534 Support Documentation
T3534BNC Adapter, Elbow, Male-Female (M-F)
$18.53
Today
BNCB2 Support Documentation
BNCB2BNC Bracket, Pass-Through
$32.13
Today
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BNC to Electrical Interface Adapters

Thorlabs offers three types of adapters with female BNC connectors for electrical interfacing. The CA2106 adapter features screw terminal pins, the T3788 adapter has 2.56" test clips, and the BNCB1 bracket houses two terminating ends. These adapters have a 50 Ω impedance.

Item # CA2106 T3788 BNCB1
Click Image
to Enlarge
BNCB2 T3788 BNCB1
Description Female BNC to
Screw Terminal Pins
Female BNC to
Test Clips
BNC Bracket,
Female to Termination
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
CA2106 Support Documentation
CA2106RG-174/U Coaxial Cable, Screw Terminal Pins to BNC Female, 6" (152.5 mm)
$32.13
Today
T3788 Support Documentation
T3788BNC Adapter, BNC to Test Clips
$16.61
Today
BNCB1 Support Documentation
BNCB1BNC Bracket, Terminating
$32.13
Today
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BNC to Banana and BNC to Binding Post Adapters

Thorlabs offers BNC adapters for banana plug connectors and binding post connectors. These adapters feature a 50 Ω impedance.

Item # T4002 T4003 T1452
Click Image
to Enlarge
T4002 T4003 T1452
Description BNC Male to
Banana
BNC Female to
Banana
BNC Female to
Binding Post
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
T4002 Support Documentation
T4002BNC Adapter, Male to Banana Plug
$17.44
Today
T4003 Support Documentation
T4003BNC Adapter, Female to Banana Plug
$9.50
Today
T1452 Support Documentation
T1452BNC Adapter, Female to Binding Post
$18.41
Today
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BNC to SMA or SMC Adapters

Thorlabs offers four types of SMA to BNC adapters, which provide compatibility between any SMA connector and BNC connector. We also offer SMC-male-to-BNC-male and SMC-female-to-BNC-female adapters. These adapters feature a 50 Ω impedance.

Item # T4291 T4290 T4289 T4001 MDC40211 T4292
Click Image
to Enlarge
T4291 T4290 T4289 T4001 MDC40211 T4292
Description SMA Female to
BNC Female
SMA Male to
BNC Female
SMA Female to
BNC Male
SMA Male to
BNC Male
SMC Male to
BNC Male
SMC Female to
BNC Female
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
T4291 Support Documentation
T4291SMA Female to BNC Female Adapter
$14.14
Today
T4290 Support Documentation
T4290SMA Male to BNC Female Adapter
$15.44
Today
T4289 Support Documentation
T4289SMA Female to BNC Male Adapter
$15.44
Today
T4001 Support Documentation
T4001SMA Male to BNC Male Adapter
$16.27
Today
MDC40211 Support Documentation
MDC40211SMC Male to BNC Male Adapter
$35.35
Today
T4292 Support Documentation
T4292SMC Female to BNC Female Adapter
$32.13
Today
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SMA to SMA Adapters

Thorlabs offers four types of SMA adapters, each with a 50 Ω impedance.

Item # T4285 T4283 T4286 T4282
Click Image
to Enlarge
T4285 T4283 T4286 T4282
Description SMA Straight
Female to Female
SMA Straight
Male to Male
SMA Straight
Male to Female
SMA Elbow
Male to Female
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
T4285 Support Documentation
T4285SMA Adapter, Straight, Female-Female (F-F)
$28.15
Today
T4283 Support Documentation
T4283SMA Adapter, Straight, Male-Male (M-M)
$21.76
Today
T4286 Support Documentation
T4286Customer Inspired! SMA Adapter, Straight, Male-Female (M-F)
$14.97
Today
T4282 Support Documentation
T4282SMA Adapter, Elbow, Male-Female (M-F)
$18.53
Today
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SMC to SMC Adapters

Thorlabs offers two types of SMC adapters: female to female, and male to male. Both allow interfaces of the same type to be connected. These high-grade, durable adapters have gold-plated brass bodies, gold-plated beryllium copper centers, and PTFE insulators. These adapters feature a 50 Ω impedance.

Item # T5025 T5026
Click Image
to Enlarge
T5025 T5026
Description SMC Female to Female SMC Male to Male
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
T5025 Support Documentation
T5025SMC Adapter, Straight, Female-Female (F-F)
$14.97
Today
T5026 Support Documentation
T5026SMC Adapter, Straight, Male-Male (M-M)
$14.97
Today
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SHV to BNC Adapters and SHV Connector Interface

Thorlabs offers two types of SHV to BNC adapters, as well as an SHV connector interface. Each item features a 50 Ω impedance.

Item # T4004 T4005 T4006
Click Image
to Enlarge
T4004 T4005 T4006
Description SHV Male to BNC Female SHV Female to BNC Male SHV Female Connector Interface
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
T4004 Support Documentation
T4004SHV Male to BNC Female Adapter
$50.50
3 weeks
T4005 Support Documentation
T4005SHV Female to BNC Male Adapter
$50.50
Today
T4006 Support Documentation
T4006SHV Female Connector Interface
$23.06
Today
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Microwave Cable Adapters

Microwave Cable Connectors
Click for Details

This chart summarizes the maximum frequency and cross-compatibility of the microwave cable connectors used by our adapters. Please refer to the Compatibility tab of our full web presentation for microwave cables for details.

These microwave cable adapters are designed to change the gender or connector type of microwave cables and connectors. They include in-series adapters (F-F, F-M, M-F) for 2.92 mm and 2.4 mm, as well as between-series adapters for all gender combinations of 2.92 mm and 2.4 mm cables.

These adapters feature a 50 Ω impedance. For detailed specifications, including interconnector compatibility, please see the full web presentation for our Microwave Cables.

Calibrated torque wrenches are available to ensure that the proper mating torque is supplied when using these adapters.

Item # TFKF TFKM TMKF TMKM
Adapter Type 2.4 mm to 2.92 mm
Click Image
to Enlarge
Description 2.4 mm Female to
2.92 mm Female
2.4 mm Female to
2.92 mm Male
2.4 mm Male to
2.92 mm Female
2.4 mm Male to
2.92 mm Male
Item # KFF KMF KMM TFF TMF TMM
Adapter Type 2.92 mm 2.4 mm
Click Image
to Enlarge
Description 2.92 mm Female to
2.92 mm Female
2.92 mm Male to
2.92 mm Female
2.92 mm Male to
2.92 mm Male
2.4 mm Female to
2.4 mm Female
2.4 mm Male to
2.4 mm Female
2.4 mm Male to
2.4 mm Male
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
TFKF Support Documentation
TFKFMicrowave Cable Adapter, 2.4 mm Female to 2.92 mm Female
$149.94
Today
TFKM Support Documentation
TFKMMicrowave Cable Adapter, 2.4 mm Female to 2.92 mm Male
$149.94
Today
TMKF Support Documentation
TMKFMicrowave Cable Adapter, 2.4 mm Male to 2.92 mm Female
$149.94
Today
TMKM Support Documentation
TMKMMicrowave Cable Adapter, 2.4 mm Male to 2.92 mm Male
$149.94
Today
KFF Support Documentation
KFFMicrowave Cable Adapter, 2.92 mm Female to 2.92 mm Female
$91.04
Today
KMF Support Documentation
KMFMicrowave Cable Adapter, 2.92 mm Male to 2.92 mm Female
$91.04
Today
KMM Support Documentation
KMMMicrowave Cable Adapter, 2.92 mm Male to 2.92 mm Male
$91.04
Today
TFF Support Documentation
TFFMicrowave Cable Adapter, 2.4 mm Female to 2.4 mm Female
$182.07
Today
TMF Support Documentation
TMFMicrowave Cable Adapter, 2.4 mm Male to 2.4 mm Female
$182.07
Today
TMM Support Documentation
TMMMicrowave Cable Adapter, 2.4 mm Male to 2.4 mm Male
$182.07
Today