RF Interconnects – Mouser United Kingdom

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Waveguide Components

Pasternack Waveguide Components offers low-loss RF transmission lines capable of handling high power with high isolation. These waveguide components include waveguide to coaxial adapters and waveguide RF termination. The waveguide components are available in a rectangular waveguide design with various sizes, including WR-90, WR-42, WR-75, and WR-28. These waveguide components are made of quality aluminum, providing a lightweight yet sturdy construction that ensures durability and repeatable RF performance. Typical applications include the RF/microwave industry, radar systems, antenna feed networks, and test laboratories.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Impedance	Maximum Frequency
RF Adapters - Between Series WR-42 Square Cover Flange to End Launch 2.92mm Female Waveguide to Coax Adapter Operating from 18 GHz to 26.5 GHz PE9878 Pasternack 1: £860.91 2Expected 26/10/2026 New Product	Mfr. Part No. PE9878 Mouser Part No 28-PE9878 New Product	Pasternack	RF Adapters - Between Series WR-42 Square Cover Flange to End Launch 2.92mm Female Waveguide to Coax Adapter Operating from 18 GHz to 26.5 GHz Learn More about Pasternack waveguide components	Datasheet	2Expected 26/10/2026	£860.91 £806.95	Min.: 1 Mult.: 1		26.5 GHz
RF Adapters - Between Series WR-42 Square Type Flange to 2.92mm Female Waveguide to Coax Adapter Operating from 18 GHz to 26.5 GHz PE9812 Pasternack 1: £705.95 1In Stock New Product	Mfr. Part No. PE9812 Mouser Part No 28-PE9812 New Product	Pasternack	RF Adapters - Between Series WR-42 Square Type Flange to 2.92mm Female Waveguide to Coax Adapter Operating from 18 GHz to 26.5 GHz Learn More about Pasternack waveguide components	Datasheet	1In Stock	£705.95 £661.49	Min.: 1 Mult.: 1		26.5 GHz
RF Adapters - Between Series WR-42 UG-597/U Square Cover Flange to 2.92mm Female Waveguide to Coax Adapter Operating from 18 GHz to 26.5 GHz PEWCA1019 Pasternack 1: £730.02 1In Stock New Product	Mfr. Part No. PEWCA1019 Mouser Part No 28-PEWCA1019 New Product	Pasternack	RF Adapters - Between Series WR-42 UG-597/U Square Cover Flange to 2.92mm Female Waveguide to Coax Adapter Operating from 18 GHz to 26.5 GHz Learn More about Pasternack waveguide components	Datasheet	1In Stock	£730.02 £698.01	Min.: 1 Mult.: 1		26.5 GHz
RF Adapters - Between Series WR-137 CMR-137 Flange to N Female Waveguide to Coax Adapter Operating from 5.85 GHz to 8.2 GHz PE9876 Pasternack 1: £321.78 3In Stock New Product	Mfr. Part No. PE9876 Mouser Part No 28-PE9876 New Product	Pasternack	RF Adapters - Between Series WR-137 CMR-137 Flange to N Female Waveguide to Coax Adapter Operating from 5.85 GHz to 8.2 GHz Learn More about Pasternack waveguide components	Datasheet	3In Stock	£321.78 £281.75 £274.63	Min.: 1 Mult.: 1	50 Ohms	8.2 GHz
RF Adapters - Between Series WR-28 UG-599/U Square Cover Flange to 2.92mm Female Waveguide to Coax Adapter Operating from 26.5 GHz to 40 GHz PEWCA1020 Pasternack 1: £1,105.59 1In Stock New Product	Mfr. Part No. PEWCA1020 Mouser Part No 28-PEWCA1020 New Product	Pasternack	RF Adapters - Between Series WR-28 UG-599/U Square Cover Flange to 2.92mm Female Waveguide to Coax Adapter Operating from 26.5 GHz to 40 GHz Learn More about Pasternack waveguide components	Datasheet	1In Stock	£1,105.59 Quote Quote	Min.: 1 Mult.: 1		40 GHz
RF Terminators 2 Watts Low Power Precision WR-90 Waveguide Load 8.2 GHz to 12.4 GHz PE6815 Pasternack 1: £1,054.48 1In Stock New Product	Mfr. Part No. PE6815 Mouser Part No 28-PE6815 New Product	Pasternack	RF Terminators 2 Watts Low Power Precision WR-90 Waveguide Load 8.2 GHz to 12.4 GHz Learn More about Pasternack waveguide components	Datasheet	1In Stock	£1,054.48	Min.: 1 Mult.: 1		12.4 GHz
RF Adapters - Between Series WR-90 Square Type Flange to N Female Waveguide to Coax Adapter Operating from 8.2 GHz to 12.4 GHz PE9801 Pasternack 1: £642.90 4In Stock New Product	Mfr. Part No. PE9801 Mouser Part No 28-PE9801 New Product	Pasternack	RF Adapters - Between Series WR-90 Square Type Flange to N Female Waveguide to Coax Adapter Operating from 8.2 GHz to 12.4 GHz Learn More about Pasternack waveguide components	Datasheet	4In Stock	£642.90 £574.05	Min.: 1 Mult.: 1		12.4 GHz
RF Adapters - Between Series WR-90 Square Type Flange to SMA Female Waveguide to Coax Adapter Operating from 8.2 GHz to 12.4 GHz PE9804 Pasternack 1: £596.59 8In Stock New Product	Mfr. Part No. PE9804 Mouser Part No 28-PE9804 New Product	Pasternack	RF Adapters - Between Series WR-90 Square Type Flange to SMA Female Waveguide to Coax Adapter Operating from 8.2 GHz to 12.4 GHz Learn More about Pasternack waveguide components	Datasheet	8In Stock	£596.59 £532.42	Min.: 1 Mult.: 1
RF Adapters - Between Series WR-75 Square Type Flange to SMA Female Waveguide to Coax Adapter Operating from 10 GHz to 15 GHz PE9819 Pasternack 1: £496.55 4In Stock New Product	Mfr. Part No. PE9819 Mouser Part No 28-PE9819 New Product	Pasternack	RF Adapters - Between Series WR-75 Square Type Flange to SMA Female Waveguide to Coax Adapter Operating from 10 GHz to 15 GHz Learn More about Pasternack waveguide components	Datasheet	4In Stock	£496.55 £444.88	Min.: 1 Mult.: 1
RF Adapters - Between Series WR-28 Square Cover Flange to 2.92mm Female Waveguide to Coax Adapter Operating from 26.5 GHz to 40 GHz PE9826 Pasternack 1: £615.93 4In Stock New Product	Mfr. Part No. PE9826 Mouser Part No 28-PE9826 New Product	Pasternack	RF Adapters - Between Series WR-28 Square Cover Flange to 2.92mm Female Waveguide to Coax Adapter Operating from 26.5 GHz to 40 GHz Learn More about Pasternack waveguide components	Datasheet	4In Stock	£615.93 £549.80	Min.: 1 Mult.: 1

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