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 SMB PLUG ADAPTER

242145
Amphenol RF
1: $48.72
150In Stock

Mfr. Part No.
242145

Mouser Part No
523-242145

Amphenol RF

RF Adapters - Between Series SMA JACK TO SMB PLUG ADAPTER

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Datasheet

150In Stock

$48.72

$41.40

$38.31

$36.95

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Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series SMA PLUG TO SMB PLUG ADAPTER

242146
Amphenol RF
1: $47.21
67In Stock

Mfr. Part No.
242146

Mouser Part No
523-242146

Amphenol RF

RF Adapters - Between Series SMA PLUG TO SMB PLUG ADAPTER

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Datasheet

67In Stock

$47.21

$40.11

$38.18

$36.48

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Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series BNC PLUG TO TNC JACK ADAPTER

242148
Amphenol RF
1: $40.50
259In Stock
170Expected 20/10/2026

Mfr. Part No.
242148

Mouser Part No
523-242148

Amphenol RF

RF Adapters - Between Series BNC PLUG TO TNC JACK ADAPTER

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Datasheet

259In Stock

170Expected 20/10/2026

$40.50

$36.60

$33.76

$31.69

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Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series BNC JACK TO TNC PLUG ADAPTER

242149
Amphenol RF
1: $16.80
358In Stock
346Expected 1/9/2026

Mfr. Part No.
242149

Mouser Part No
523-242149

Amphenol RF

RF Adapters - Between Series BNC JACK TO TNC PLUG ADAPTER

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Datasheet

358In Stock

346Expected 1/9/2026

$16.80

$14.28

$13.37

$12.73

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Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series BNC PLUG TO TNC PLUG ADAPTER

242151
Amphenol RF
1: $44.20
261In Stock
239Expected 28/8/2026

Mfr. Part No.
242151

Mouser Part No
523-242151

Amphenol RF

RF Adapters - Between Series BNC PLUG TO TNC PLUG ADAPTER

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Datasheet

261In Stock

239Expected 28/8/2026

$44.20

$37.56

$34.78

$33.54

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Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series Adapter F Plug/N JK

242152-75
Amphenol RF
1: $42.94
88In Stock

Mfr. Part No.
242152-75

Mouser Part No
523-242152-75

Amphenol RF

RF Adapters - Between Series Adapter F Plug/N JK

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Datasheet

88In Stock

$42.94

$34.20

$32.57

$31.02

$29.08

Min.: 1
Mult.: 1

75 Ohms

2 GHz

RF Adapters - Between Series SMA JACK TO SMC PLUG ADAPTER

242175
Amphenol RF
1: $39.33
116In 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

116In Stock

$39.33

$33.43

$30.94

$29.84

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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: $30.78
118In Stock
1,887On Order

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

118In Stock

1,887On Order

$30.78

$26.15

$24.51

$23.35

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Min.: 1
Mult.: 1

50 Ohms

11 GHz

RF Adapters - Between Series BNC PLUG TO SMB JACK ADAPTER

242184
Amphenol RF
1: $42.62
130In 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

130In Stock

$42.62

$36.15

$34.26

$32.94

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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: $23.34
163In Stock
214Expected 8/9/2026

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

163In Stock

214Expected 8/9/2026

$23.34

$19.83

$18.59

$17.71

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Min.: 1
Mult.: 1

50 Ohms

4 GHz

RF Adapters - Between Series BNC PLUG TO MCX JACK ADAPTER

242203
Amphenol RF
1: $36.37
105In 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

105In Stock

$36.37

$30.90

$28.59

$27.58

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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: $40.60
100In 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

100In Stock

$40.60

$32.80

$31.23

$30.38

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Min.: 1
Mult.: 1

50 Ohms

4 GHz

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

272301
Amphenol RF
1: $144.09
61In Stock

Mfr. Part No.
272301

Mouser Part No
523-272301

Amphenol RF

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

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Datasheet

61In Stock

$144.09

$122.50

$122.44

$119.64

$104.16

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: $39.09
201In 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

201In Stock

$39.09

$34.94

$33.28

$32.07

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Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

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

031-217
Amphenol RF
1: $35.44
323In Stock
364Expected 23/9/2026

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

323In Stock

364Expected 23/9/2026

$35.44

$35.03

$32.83

$31.27

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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: $12.27
731In 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

731In Stock

$12.27

$10.43

$9.76

$9.32

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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: $11.26
1,546In Stock
10Expected 1/9/2026

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

1,546In Stock

10Expected 1/9/2026

$11.26

$10.66

$9.23

$7.18

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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: $8.39
1,189In 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

1,189In Stock

$8.39

$7.14

$6.69

$6.38

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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: $20.77
900In 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

900In Stock

$20.77

$18.17

$17.03

$16.22

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Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

RF Adapters - In Series BH ADAPT JACK/JACK

031-220N-RFX
Amphenol RF
1: $11.21
1,425In Stock
4,375On Order

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

1,425In Stock

4,375On Order

$11.21

$10.70

$9.55

$7.14

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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: $53.20
60In Stock
18Expected 17/8/2026

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

60In Stock

18Expected 17/8/2026

$53.20

$47.10

$44.15

$43.15

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Min.: 1
Mult.: 1

50 Ohms

500 MHz

RF Adapters - In Series BULKHEAD JCK TO JCK ADAPTER ISOLATED

031-4803
Amphenol RF
1: $23.53
181In Stock
269Expected 17/8/2026

Mfr. Part No.
031-4803

Mouser Part No
523-31-4803

Amphenol RF

RF Adapters - In Series BULKHEAD JCK TO JCK ADAPTER ISOLATED

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Datasheet

181In Stock

269Expected 17/8/2026

$23.53

$21.08

$20.13

$19.18

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Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

RF Adapters - In Series BH JACK/JACK ADAPT

031-4803-75
Amphenol RF
1: $33.51
198In Stock

Mfr. Part No.
031-4803-75

Mouser Part No
523-31-4803-75

Amphenol RF

RF Adapters - In Series BH JACK/JACK ADAPT

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Datasheet

198In Stock

$33.51

$29.68

$28.07

$26.91

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Min.: 1
Mult.: 1

75 Ohms

BNC

4 GHz

RF Adapters - In Series BNC 50ohm Bulkhead

031-4803-RFX
Amphenol RF
1: $8.00
3,386In Stock
2,395On Order

Mfr. Part No.
031-4803-RFX

Mouser Part No
523-31-4803-RFX

Amphenol RF

RF Adapters - In Series BNC 50ohm Bulkhead

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Datasheet

3,386In Stock

2,395On Order

$8.00

$6.79

$6.38

$6.07

View

Min.: 1
Mult.: 1

50 Ohms

BNC

4 GHz

RF Adapters - In Series ADAPTER BULKHEAD

031-70020
Amphenol RF
1: $68.53
66In Stock

Mfr. Part No.
031-70020

Mouser Part No
523-31-70020

Amphenol RF

RF Adapters - In Series ADAPTER BULKHEAD

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Datasheet

66In Stock

$68.53

$44.92

$42.70

$41.32

View

Min.: 1
Mult.: 1

75 Ohms

BNC

4 GHz

Coaxial Adapters

Types of RF Interconnects

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