Coaxial Adapters

Amphenol RF In-Series and Between-Series Coaxial Adapters are designed to meet the requirements of RF applications. These adapters provide consistent electrical performance and optimized mechanical reliability, as they allow transitions between popular coaxial connector interfaces such as BNC, SMA, N-Type, and TNC. Amphenol RF Coaxial Adapters feature multiple adapter configurations and are available in a variety of body materials, including brass, beryllium copper, and stainless steel.

Types of RF Interconnects
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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Gender
Impedance
RF Series
Maximum Frequency
Amphenol RF RF Adapters - In Series BULKHEAD JCK TO JCK ADAPTER ISOLATED
Datasheet
445In Stock
Min.: 1
Mult.: 1

50 Ohms BNC 4 GHz
Amphenol RF RF Adapters - In Series BH JACK/JACK ADAPT
Datasheet
198In Stock
Min.: 1
Mult.: 1

75 Ohms BNC 4 GHz
Amphenol RF RF Adapters - In Series ADAPTER BULKHEAD
Datasheet
66In Stock
603Expected 12/1/2026
Min.: 1
Mult.: 1

75 Ohms BNC 4 GHz
Amphenol RF RF Adapters - In Series JACK/PLUG ADAPT UG-306/U
Datasheet
196In Stock
522On Order
Min.: 1
Mult.: 1

50 Ohms BNC 4 GHz
Amphenol RF RF Adapters - In Series BNC MALE TO FEMALE
Datasheet
914In Stock
937On Order
Min.: 1
Mult.: 1

75 Ohms BNC 4 GHz
Amphenol RF RF Adapters - In Series R/A ADAPT JACK/PLUG
Datasheet
2,011In Stock
1,205Expected 8/20/2026
Min.: 1
Mult.: 1

50 Ohms BNC 4 GHz
Amphenol RF RF Adapters - In Series BNC BULKHEAD UG-414/U
Datasheet
33In Stock
Min.: 1
Mult.: 1

50 Ohms BNC 4 GHz
Amphenol RF RF Adapters - In Series Adapter F Type Jack to F Type Jack
Datasheet
283In Stock
Min.: 1
Mult.: 1

75 Ohms F 1 GHz
Amphenol RF RF Adapters - In Series BH ADAPT JACK/JACK
Datasheet
Product Comments
167In Stock
Min.: 1
Mult.: 1

50 Ohms TNC 11 GHz
Amphenol RF RF Adapters - In Series BULKHEAD JACK/JACK ADAPTER
Datasheet
611In Stock
14Expected 9/2/2026
Min.: 1
Mult.: 1

Non-Constant Twinax 500 MHz
Amphenol RF RF Adapters - Between Series BNC JACK TO TNC PLUG
Datasheet
93In Stock
Min.: 1
Mult.: 1

50 Ohms 4 GHz
Amphenol RF RF Adapters - In Series PLUG TO PLUG ADAPT UG-57B/U
Datasheet
142In Stock
Min.: 1
Mult.: 1

50 Ohms N 11 GHz
Amphenol RF RF Adapters - In Series N-ADAPTER UG-29B/U
Datasheet
114In Stock
Min.: 1
Mult.: 1

50 Ohms N 11 GHz
Amphenol RF RF Adapters - In Series FEMALE TO FEMALE BULKHEAD ADAPATER
Datasheet
51In Stock
Min.: 1
Mult.: 1

50 Ohms N 11 GHz
Amphenol RF RF Adapters - In Series R/A ADAPT JCK/PLG
Datasheet
163In Stock
Min.: 1
Mult.: 1

50 Ohms N 11 GHz

Amphenol RF RF Adapters - In Series ADAPTER R/A UG-27B/U
Datasheet
65In Stock
Min.: 1
Mult.: 1

50 Ohms N 11 GHz
Amphenol RF RF Adapters - In Series UHF PLUG TO UHF JACK ADAPTER, RIGHT ANGL
Datasheet
144In Stock
Min.: 1
Mult.: 1

Non-Constant UHF 300 MHz
Amphenol RF RF Adapters - Between Series Adptr Straight Blkhd SMA Jack to BNC Jac
Datasheet
202In Stock
47Expected 9/1/2026
Min.: 1
Mult.: 1

50 Ohms 4 GHz
Amphenol RF RF Adapters - Between Series N PLUG TO SMA JACK
Datasheet
23In Stock
Min.: 1
Mult.: 1

50 Ohms 12.4 GHz
Amphenol RF RF Adapters - In Series BULKHEAD JACK - JACK ADAPTER GOLD PLATED
Datasheet
367In Stock
462Expected 9/16/2026
Min.: 1
Mult.: 1

50 Ohms SMA 18 GHz
Amphenol RF RF Adapters - In Series in-series adapter St plug to jack; GLD
Datasheet
35In Stock
Min.: 1
Mult.: 1

50 Ohms SMA 12.4 GHz


Amphenol RF RF Adapters - In Series SMA ST ADP
Datasheet
35In Stock
Min.: 1
Mult.: 1

50 Ohms SMA 12.4 GHz
Amphenol RF RF Adapters - In Series JACK-JACK STRAIGHT ADAPTER
Datasheet
437In Stock
Min.: 1
Mult.: 1

50 Ohms SMA 12.4 GHz
Amphenol RF RF Adapters - In Series SMA STRAIGHT BLKHD ADPT
Datasheet
694In Stock
20Expected 8/26/2026
Min.: 1
Mult.: 1

50 Ohms SMA 12.4 GHz
Amphenol RF RF Adapters - In Series BULKHEAD JCK TO JCK ADAPTER PASSIVATED
Datasheet
414In Stock
2,576On Order
Min.: 1
Mult.: 1

50 Ohms SMA 18 GHz