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 BNC JACK TO UHF JACK ADAPTER

242165
Amphenol RF
1: $36.79
83In Stock

Mfr. Part No.
242165

Mouser Part No
523-242165

Amphenol RF

RF Adapters - Between Series BNC JACK TO UHF JACK ADAPTER

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Datasheet

83In Stock

$36.79

$30.41

$28.04

$27.04

$23.95

Min.: 1
Mult.: 1

50 Ohms

2.5 GHz

RF Adapters - Between Series SMA JACK TO SMC PLUG ADAPTER

242175
Amphenol RF
1: $37.29
166In Stock

Mfr. Part No.
242175

Mouser Part No
523-242175

Amphenol RF

RF Adapters - Between Series SMA JACK TO SMC PLUG ADAPTER

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Datasheet

166In Stock

$37.29

$32.05

$29.86

$29.12

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Min.: 1
Mult.: 1

50 Ohms

10 GHz

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: $37.92
527In 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

527In Stock

$37.92

$36.68

$31.69

$28.44

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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

$27.52

$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
90In 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

90In Stock

$43.63

$37.09

$34.40

$32.57

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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: $35.19
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

$35.19

$32.57

$26.62

Quote

Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series BNC JACK TO SMB PLUG ADAPTER

242185
Amphenol RF
1: $25.12
211In 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

211In Stock

100Expected 14/4/2026

$25.12

$20.41

$19.97

$19.04

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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: $36.11
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

$36.11

$30.69

$28.77

$28.15

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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: $34.35
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

$34.35

$31.12

$29.63

$28.86

$25.09

Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series QMA Plug to SMA Jack Adapter

242261
Amphenol RF
1: $64.05
252In 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

252In Stock

$64.05

$55.47

$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

Quote

Min.: 1
Mult.: 1

50 Ohms

18 GHz

RF Adapters - In Series MCX JACK JACK ADAPTER GOLD

252169
Amphenol RF
1: $33.46
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

$33.46

$28.81

$25.60

$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: $145.38
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

$145.38

$123.60

$110.34

$106.29

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: $33.40
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

$33.40

$27.51

$26.22

$24.58

View

Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

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

031-216
Amphenol RF
1: $32.33
722In Stock
1,000Expected 19/5/2026

Mfr. Part No.
031-216

Mouser Part No
523-31-216

Amphenol RF

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

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Datasheet

722In Stock

1,000Expected 19/5/2026

$32.33

$30.69

$24.94

$23.69

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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: $39.70
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

$39.70

$33.80

$32.62

$31.48

$30.22

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: $11.62
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

$11.62

$10.08

$9.45

$9.01

View

Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

RF Adapters - In Series ADAPT STRT JCK/JCK

031-219-RFX
Amphenol RF
1: $9.69
765In Stock

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

$9.69

$9.38

$7.42

$7.06

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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: $11.80
631In Stock
500Expected 19/2/2026

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

631In Stock

500Expected 19/2/2026

$11.80

$11.43

$10.59

$10.06

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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: $18.79
463In 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

463In Stock

$18.79

$17.53

$15.54

$15.43

$13.77

Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

RF Adapters - In Series BH ADAPT JACK/JACK

031-220N-75RFX
Amphenol RF
1: $11.62
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

$11.62

$10.15

$8.66

$7.94

View

Min.: 1
Mult.: 1

75 Ohms

BNC

4 GHz

RF Adapters - In Series BH ADAPT JACK/JACK

031-220N-RFX
Amphenol RF
1: $9.27
1,701In 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

1,701In Stock

$9.27

$9.12

$7.63

$6.80

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: $49.26
127In 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

127In Stock

$49.26

$44.42

$37.99

$36.40

Min.: 1
Mult.: 1

50 Ohms

500 MHz

Coaxial Adapters

Types of RF Interconnects

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