RF Interconnects – Mouser Singapore

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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.

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Types of RF Interconnects

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Part #

RF Adapters - Between Series SMA JACK TO SMC JACK ADAPTER

242176
Amphenol RF
1: $33.75
78In Stock

Mfr. Part No.
242176

Mouser Part No
523-242176

Amphenol RF

RF Adapters - Between Series SMA JACK TO SMC JACK ADAPTER

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Datasheet

78In Stock

$33.75

$31.37

$29.04

$28.01

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Min.: 1
Mult.: 1

50 Ohms

10 GHz

RF Adapters - Between Series SMA -TNC ST J/J-BSA BHD

242178
Amphenol RF
1: $37.53
477In Stock

Mfr. Part No.
242178

Mouser Part No
523-242178

Amphenol RF

RF Adapters - Between Series SMA -TNC ST J/J-BSA BHD

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Datasheet

477In Stock

$37.53

$36.68

$31.69

$28.43

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Min.: 1
Mult.: 1

50 Ohms

11 GHz

RF Adapters - Between Series SMA JACK-BNC BLKHD JACK ADAPTER

242181
Amphenol RF
1: $33.75
701In Stock

Mfr. Part No.
242181

Mouser Part No
523-242181

Amphenol RF

RF Adapters - Between Series SMA JACK-BNC BLKHD JACK ADAPTER

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Datasheet

701In Stock

$33.75

$31.11

$27.22

$26.94

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Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series N JACK TO SMB BLKHD JACK ADAPTER

242183
Amphenol RF
1: $43.63
87In Stock

Mfr. Part No.
242183

Mouser Part No
523-242183

Amphenol RF

RF Adapters - Between Series N JACK TO SMB BLKHD JACK ADAPTER

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Datasheet

87In Stock

$43.63

$37.09

$34.76

$33.10

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Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series BNC PLUG TO SMB JACK ADAPTER

242184
Amphenol RF
1: $38.86
98In Stock

Mfr. Part No.
242184

Mouser Part No
523-242184

Amphenol RF

RF Adapters - Between Series BNC PLUG TO SMB JACK ADAPTER

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Datasheet

98In Stock

More Info Available

$38.86

$34.32

$32.67

$32.57

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Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series BNC JACK TO SMB PLUG ADAPTER

242185
Amphenol RF
1: $27.12
199In Stock
100Expected 14/4/2026

Mfr. Part No.
242185

Mouser Part No
523-242185

Amphenol RF

RF Adapters - Between Series BNC JACK TO SMB PLUG ADAPTER

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Datasheet

199In Stock

100Expected 14/4/2026

$27.12

$20.89

$19.96

$19.63

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Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series SMA male(plug) to SSMA female(jack) adapter

242189
Amphenol RF
1: $36.92
99In Stock

Mfr. Part No.
242189

Mouser Part No
523-242189

Amphenol RF

RF Adapters - Between Series SMA male(plug) to SSMA female(jack) adapter

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Datasheet

99In Stock

$36.92

$31.37

$29.41

$28.75

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Min.: 1
Mult.: 1

50 Ohms

12.4 GHz

RF Adapters - Between Series BNC PLUG TO MCX JACK ADAPTER

242203
Amphenol RF
1: $37.22
130In Stock

Mfr. Part No.
242203

Mouser Part No
523-242203

Amphenol RF

RF Adapters - Between Series BNC PLUG TO MCX JACK ADAPTER

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Datasheet

130In Stock

$37.22

$32.51

$30.89

$30.02

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Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series JACK TO TNC PLUG R/A

242232
Amphenol RF
1: $34.86
318In Stock

Mfr. Part No.
242232

Mouser Part No
523-242232

Amphenol RF

RF Adapters - Between Series JACK TO TNC PLUG R/A

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Datasheet

318In Stock

$34.86

$31.73

$30.94

$29.20

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Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series QMA Plug to SMA Jack Adapter

242261
Amphenol RF
1: $63.27
248In Stock

Mfr. Part No.
242261

Mouser Part No
523-242261

Amphenol RF

RF Adapters - Between Series QMA Plug to SMA Jack Adapter

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Datasheet

248In Stock

$63.27

$54.39

$50.33

$49.00

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Min.: 1
Mult.: 1

50 Ohms

18 GHz

RF Adapters - Between Series QMA Jack to SMA Jack Adapter

242262
Amphenol RF
1: $59.62
65In Stock

Mfr. Part No.
242262

Mouser Part No
523-242262

Amphenol RF

RF Adapters - Between Series QMA Jack to SMA Jack Adapter

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Datasheet

65In Stock

$59.62

$51.83

$47.47

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Min.: 1
Mult.: 1

50 Ohms

18 GHz

RF Adapters - Between Series N Jack to SMA Plug Adapter, Low PIM

242265
Amphenol RF
1: $97.41
28In Stock

Mfr. Part No.
242265

Mouser Part No
523-242265

Amphenol RF

RF Adapters - Between Series N Jack to SMA Plug Adapter, Low PIM

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Datasheet

28In Stock

$97.41

$85.23

$81.34

$77.46

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Min.: 1
Mult.: 1

50 Ohms

6 GHz

RF Adapters - In Series MCX JACK JACK ADAPTER GOLD

252169
Amphenol RF
1: $34.17
100In Stock

Mfr. Part No.
252169

Mouser Part No
523-252169

Amphenol RF

RF Adapters - In Series MCX JACK JACK ADAPTER GOLD

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Datasheet

100In Stock

$34.17

$29.23

$25.98

$25.15

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Min.: 1
Mult.: 1

50 Ohms

MCX

6 GHz

RF Adapters - In Series 7/16 PLG to 7/16 JK Adapter, Low PIM

272292
Amphenol RF
1: $145.41
30In Stock

Mfr. Part No.
272292

Mouser Part No
523-272292

Amphenol RF

RF Adapters - In Series 7/16 PLG to 7/16 JK Adapter, Low PIM

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Datasheet

30In Stock

$145.41

$133.97

$128.81

$110.34

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Min.: 1
Mult.: 1

50 Ohms

7/16

6 GHz

RF Adapters - In Series BNC R/A ADPTR JACK TO PLUG UG-306A/U

031-209
Amphenol RF
1: $35.56
254In Stock

Mfr. Part No.
031-209

Mouser Part No
523-31-209

Amphenol RF

RF Adapters - In Series BNC R/A ADPTR JACK TO PLUG UG-306A/U

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Datasheet

254In Stock

$35.56

$29.61

$28.20

$27.31

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Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

RF Adapters - Between Series BNC JACK TO N PLUG UG-201A

031-216-RFX
Amphenol RF
1: $36.43
98In Stock
1Expected 26/3/2026

Mfr. Part No.
031-216-RFX

Mouser Part No
523-31-216-RFX

Amphenol RF

RF Adapters - Between Series BNC JACK TO N PLUG UG-201A

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Datasheet

98In Stock

1Expected 26/3/2026

$36.43

$34.19

$29.23

$27.42

$26.73

Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series BNC PLUG TO N JACK UG-349A/U

031-217
Amphenol RF
1: $42.06
396In Stock

Mfr. Part No.
031-217

Mouser Part No
523-31-217

Amphenol RF

RF Adapters - Between Series BNC PLUG TO N JACK UG-349A/U

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Datasheet

396In Stock

$42.06

$34.78

$32.58

$31.01

$29.62

Min.: 1
Mult.: 1

50 Ohms

11 GHz

RF Adapters - In Series BNC JACK TO JACK ST ADAPTER UG-914/U

031-219
Amphenol RF
1: $11.86
605In Stock

Mfr. Part No.
031-219

Mouser Part No
523-31-219

Amphenol RF

RF Adapters - In Series BNC JACK TO JACK ST ADAPTER UG-914/U

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Datasheet

605In Stock

$11.86

$10.08

$9.45

$9.01

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Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

RF Adapters - In Series ADAPT STRT JCK/JCK

031-219-RFX
Amphenol RF
1: $8.76
765In Stock
500Expected 3/3/2026

Mfr. Part No.
031-219-RFX

Mouser Part No
523-31-219-RFX

Amphenol RF

RF Adapters - In Series ADAPT STRT JCK/JCK

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Datasheet

765In Stock

500Expected 3/3/2026

$8.76

$8.30

$6.92

$6.60

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Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

RF Adapters - In Series BNC JACK/JACK BULKHD

031-220G-RFX
Amphenol RF
1: $8.35
1,110In Stock

Mfr. Part No.
031-220G-RFX

Mouser Part No
523-31-220G-RFX

Amphenol RF

RF Adapters - In Series BNC JACK/JACK BULKHD

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Datasheet

1,110In Stock

$8.35

$7.10

$6.66

$6.34

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Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

RF Adapters - In Series BNC BLKHD JACK-JACK ADAPTER UG-492A/U

031-220H
Amphenol RF
1: $19.99
449In Stock

Mfr. Part No.
031-220H

Mouser Part No
523-31-220H

Amphenol RF

RF Adapters - In Series BNC BLKHD JACK-JACK ADAPTER UG-492A/U

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Datasheet

449In Stock

$19.99

$19.04

$17.08

$16.79

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Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

RF Adapters - In Series BH ADAPT JACK/JACK

031-220N-75RFX
Amphenol RF
1: $11.56
425In Stock

Mfr. Part No.
031-220N-75RFX

Mouser Part No
523-31-220N-75RFX

Amphenol RF

RF Adapters - In Series BH ADAPT JACK/JACK

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Datasheet

425In Stock

$11.56

$10.15

$8.81

$8.26

View

Min.: 1
Mult.: 1

75 Ohms

BNC

4 GHz

RF Adapters - In Series BH ADAPT JACK/JACK

031-220N-RFX
Amphenol RF
1: $8.76
1,696In Stock

Mfr. Part No.
031-220N-RFX

Mouser Part No
523-31-220N-RFX

Amphenol RF

RF Adapters - In Series BH ADAPT JACK/JACK

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Datasheet

1,696In Stock

$8.76

$8.38

$7.12

$6.82

View

Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

RF Adapters - Between Series UHF PLUG TO BNC JACK ADAPTER, 50 OHM

031-28
Amphenol RF
1: $51.22
125In Stock

Mfr. Part No.
031-28

Mouser Part No
523-31-28

Amphenol RF

RF Adapters - Between Series UHF PLUG TO BNC JACK ADAPTER, 50 OHM

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Datasheet

125In Stock

$51.22

$45.11

$43.59

$42.34

View

Min.: 1
Mult.: 1

50 Ohms

500 MHz

RF Adapters - In Series BNC JACK/JACK BLKHD ADAPTER UG-492D/U

031-3220
Amphenol RF
1: $32.19
172In Stock

Mfr. Part No.
031-3220

Mouser Part No
523-31-3220

Amphenol RF

RF Adapters - In Series BNC JACK/JACK BLKHD ADAPTER UG-492D/U

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Datasheet

172In Stock

$32.19

$27.36

$25.66

$25.24

View

Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

Coaxial Adapters

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