High-Performance RF Adapters, Couplings, Terminators & More

Ensure seamless connectivity, optimal signal integrity, and minimal power loss with our premium selection of RF adapters, terminations, attenuators, couplers, impedance transformers, and DC blocks. Whether you're working in laboratory environments, high-frequency applications, or precision measurement setups, we provide reliable solutions designed for durability and performance.

Terminations

Our precision 50Ω terminations are available in SMA, BNC, and N connectors, covering bandwidths up to 12.4 GHz. These components are essential for minimizing signal reflections and optimizing system performance in RF circuits.

SMA Terminations – Up to 12.4 GHz, 0.5W
BNC Terminations – Up to 3 GHz, 0.5W & 2 GHz, 1W
N Terminations – Up to 3 GHz, 1W

	Order number	Article	Connector	Bandwidth	Immunity
$180.00 USD Lead time 8-10 weeks	B090101	T91241	SMA	12.4 GHz	0.5 W
$39.50 USD Lead time 8-10 weeks	B020573	T1301	BNC	3 GHz	0.5 W
$44.75 USD Qty available: 0	119-916-175	T1302	BNC	2 GHz	1 W
$77.50 USD Lead time 8-10 weeks	B010712	T2302	N	3 GHz	1 W

Feed-Trough Terminations

For stable impedance matching and signal transfer, our 50Ω BNC feedthrough terminations support up to 1 GHz with up to 1W power handling.

			Order number	Connector	Bandwidth	Input impedance	Immunity
$59.00 USD Lead time 8-10 weeks			D010031	BNC	500 MHz	50 Ω	0.5 W
$124.00 USD Qty available: 0			119-916-170	BNC	1 GHz	50 Ω	1 W

50 Ohm Attenuators

Control signal strength while maintaining impedance integrity with our precision attenuators. Available in SMA, BNC, and N connectors, with attenuation levels of 3 dB, 6 dB, 10 dB, and 20 dB, supporting frequencies up to 12.4 GHz.

	Order number	Article	Connector	Bandwidth	Immunity
$79.00 USD Lead time 8-10 weeks	A090272	A912403	SMA	3 dB, DC to 12,4 GHz	1 W
$79.00 USD Lead time 8-10 weeks	A090302	A912406	SMA	6 dB, DC to 12,4 GHz	1 W
$79.00 USD Lead time 8-10 weeks	A090342	A912410	SMA	10 dB, DC to 12,4 GHz	1 W
$79.00 USD Lead time 8-10 weeks	A090352	A912420	SMA	20 dB, DC to 12,4 GHz	1 W
$68.00 USD Lead time 8-10 weeks	A021462	A13003	BNC	3 dB, DC to 3 GHz	1 W
$68.00 USD Lead time 8-10 weeks	A021492	A13006	BNC	6 dB, DC to 3 GHz	1 W
$68.00 USD Lead time 8-10 weeks	A021532	A13010	BNC	10 dB, DC to 3 GHz	1 W
$68.00 USD Lead time 8-10 weeks	A021542	A13020	BNC	20 dB, DC to 3 GHz	1 W
$75.50 USD Lead time 8-10 weeks	A011592	A23003	N	3 dB, DC to 3 GHz	1 W
$75.50 USD Lead time 8-10 weeks	A011602	A23006	N	6 dB, DC to 3 GHz	1 W
$75.50 USD Lead time 8-10 weeks	A011612	A23010	N	10 dB, DC to 3 GHz	1 W
$75.50 USD Lead time 8-10 weeks	A011622	A23020	N	20 dB, DC to 3 GHz	1 W

Coaxial Couplers

Ensure smooth signal transitions with our range of couplers and T-adapters, including:

SMA, BNC, and N connectors with bandwidths up to 18 GHz
Male-to-male, female-to-female, and plug-to-socket options
High electric strength (up to 1500V AC) and low VSWR for superior performance

	Order number	Article	Connector	Bandwidth	Electric strength	V.S.W.R. (max)	Operating range (°C)	Input impedance
$37.75 USD Lead time 8-10 weeks	C061360	SMA136	SMA to SMA (male)	DC to 18 GHz	1000 V AC/min	1.4	'-10 to +40	50 Ω
$33.75 USD Lead time 8-10 weeks	C020352	BNC035	BNC to BNC (male)	DC to 4 GHz	1500 V AC/min	1.2	'-10 to +40	50 Ω
$20.50 USD Lead time 8-10 weeks	C020360	BNC036	BNC to BNC (female)	DC to 4 GHz	1500 V AC/min	1.2	'-10 to +40	50 Ω
$31.50 USD Lead time 8-10 weeks	C014120	N412	N to N (male)	DC to 4 GHz	1000 V AC/min	1.35	'-10 to +40	50 Ω
$33.75 USD Lead time 8-10 weeks	C010510	N051	N to N (female)	DC to 4 GHz	1500 V AC/min	1.35	'-10 to +40	50 Ω

T Adaptors

	Order number	Article	Connector	Bandwidth	Electric strength	Operating range (°C)	Input impedance
$51.50 USD Lead time 8-10 weeks	T064570	SMA457	SMA-TA-JJJ	DC to 12.4	500 V AC/min	'-10 to +40	50 Ω
$55.00 USD Lead time 8-10 weeks	C020375	BNC037	BNC (male) to 2x BNC (female)	DC to 4 GHz	1500 V AC/min	'-10 to +40	50 Ω
$150.00 USD Lead time 8-10 weeks	C010530	N053	N to 2x N (female)	DC to 4 GHz	1500 V AC/min	'-10 to +40	50 Ω

Interseries Adaptors

Easily transition between different connector types with our interseries adapters, supporting SMA, BNC, and N connectors up to 4 GHz, with low insertion loss and high durability.

	Order number	Article	Connector	Bandwidth	Electric strength	V.S.W.R. (max)	Operating range (°C)	Input impedance
$63.00 USD Lead time 8-10 weeks	C100622	BA062	SMA (male) to BNC (female)	DC to 4 GHz	1000 V AC/min	1.2	'-10 to +40	50 Ω
$69.50 USD Lead time 8-10 weeks	C100632	BA063	SMA to BNC (female)	DC to 4 GHz	1000 V AC/min	1.2	'-10 to +40	50 Ω
$51.50 USD Lead time 8-10 weeks	C100574	BA057	N (male) to SMA (female)	DC to 4 GHz	1000 V AC/min	1.4	'-10 to +40	50 Ω
$37.75 USD Lead time 8-10 weeks	C100015	BA001	N (male) to BNC (female)	DC to 4 GHz	1500 V AC/min	1.2	'-10 to +40	50 Ω
$50.25 USD Lead time 8-10 weeks	C100020	BA002	BNC (male) to N (female)	DC to 4 GHz	1500 V AC/min	1.4	'-10 to +40	50 Ω

Impedance Transformers

Convert between 50Ω and 75Ω systems with minimal signal degradation using our high-quality impedance transformers.

			Order number	Article	Connector	Bandwidth	V.S.W.R. (max)	Operating range (°C)	Insertion loss (max)	Conversion	Input power (max)	Input impedance
$155.50 USD Lead time 8-10 weeks			D015440	PD544	N (male) to N75 (female)	DC to 3 GHz	1.2	'-10 to +40	5.7 ± 0.5 (DC to 3 GHz)	Resistor	0.5 W	50 - 75 Ω

DC Blocks

Protect sensitive equipment from unwanted DC interference while maintaining a clean RF signal. Our DC blockers operate across 0.01 Hz to 18 GHz, available in SMA and N configurations.

		Order number	Article	Connector	Bandwidth (-1 dB)	V.S.W.R. (max)	Operating range (°C)	Insertion loss (max)	Input voltage	Input impedance
$309.50 USD Lead time 8-10 weeks		D015531	PD553	SMA (male) to SMA (female)	0.0.1 to 18 GHz	1.4	'-10 to +40	1	± 10 (DC+AC peak)	50 Ω
$390.50 USD Lead time 8-10 weeks		D015540	PD554	N (male) to N (female)	0.0.1 to 8 GHz	1.4	'-10 to +40	1	± 10 (DC+AC peak)	50 Ω
$488.25 USD Lead time 8-10 weeks	Datasheet	DCB500HZ-8GHZ	DCB500HZ-8GHZ	SMA (male) to SMA (female)	500 Hz to 8 GHz	1.5	'-40 to +85	1.4	-	50 Ω

Laboratory adaptors BNC to 4 mm

Perfect for test and measurement applications, our BNC to 4mm adapters ensure secure and reliable connections between RF instruments and standard lab equipment.

	Order number	Article
$24.00 USD Lead time 8-10 weeks	181-566-100	BNC plug to 1 x 4 mm plug
$24.50 USD Lead time 8-10 weeks	181-676-100	BNC socket to 2 x 4 mm socket
$20.50 USD Lead time 8-10 weeks	181-575-100	BNC plug to 2 x 4 mm plug
$24.00 USD Lead time 8-10 weeks	181-576-ISO	BNC plug to 2 x 4 mm socket insulated
$20.50 USD Lead time 8-10 weeks	181-675-ISO	BNC socket to 2 x 4 mm plug insulated
$10.25 USD Lead time 8-10 weeks	890-880-116	Short circuit adapter / coupler red 2x4mm
$10.25 USD Lead time 8-10 weeks	890-880-117	Short circuit adapter / coupler black 2x4mm

Why Choose Our RF Components?

✔ Premium Quality – High-grade materials and precision engineering for low loss and high reliability
✔ Broad Compatibility – Supports SMA, BNC, and N connectors across multiple applications
✔ Optimized Performance – Low VSWR, high power handling, and excellent frequency response
✔ Quick Lead Times – Fast delivery for stocked items, and custom orders available within 8-10 weeks

Find the right RF adapter, termination, or attenuator for your needs today!