Attenuators - Interconnects

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BW 50Ω Coaxial Precision Fixed Attenuators

Mini-Circuits BW 50Ω Coaxial Precision Fixed Attenuators feature a wide range of frequencies and a maximum input power range of 0.5W to 100W. These attenuators feature precise attenuation and excellent voltage standing wave ratios (VSWR). Mini-Circuits BW 50Ω Coaxial Precision Fixed Attenuators are available with a variety of connector types. Typical applications include instrumentation, matching, test and measurement, optical communications, high-speed data systems, and test setups.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Connector Type	Frequency Range	Maximum Attenuation	Power Rating	Gender	Impedance	VSWR	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Attenuators - Interconnects FXD ATTEN /N / 40dB 50W RoHS BW-N40W50+ Mini-Circuits 1: ¥86,372 43On Order	Mfr. Part # BW-N40W50+ Mouser Part # 139-BW-N40W50	Mini-Circuits	Attenuators - Interconnects FXD ATTEN /N / 40dB 50W RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	43On Order On Order Ship Dates Mfr. #: BW-N40W50+ Stock: 0 On Order: 13 Expected 10/28/2026 30 Expected 1/5/2027 Factory Lead-Time: 17 Weeks	¥86,372	Min.: 1 Mult.: 1	N	0 Hz to 18 GHz	41.5 dB	50 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN 2W SMA F/M 10dB RoHS BW-S10W2+ Mini-Circuits 1: ¥9,045.8 1,463On Order	Mfr. Part # BW-S10W2+ Mouser Part # 139-BW-S10W2	Mini-Circuits	Attenuators - Interconnects FXD ATTEN 2W SMA F/M 10dB RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	1,463On Order On Order Ship Dates Mfr. #: BW-S10W2+ Stock: 0 On Order: 383 Expected 10/27/2026 380 Expected 1/5/2027 700 Expected 2/1/2027 Factory Lead-Time: 17 Weeks	¥9,045.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	10.1 dB	2 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN / SMA / 10dB 5W RoHS BW-S10W5+ Mini-Circuits 1: ¥13,728.2 396On Order	Mfr. Part # BW-S10W5+ Mouser Part # 139-BW-S10W5	Mini-Circuits	Attenuators - Interconnects FXD ATTEN / SMA / 10dB 5W RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	396On Order On Order Ship Dates Mfr. #: BW-S10W5+ Stock: 0 On Order: 236 Expected 11/30/2026 160 Expected 12/21/2026 Factory Lead-Time: 17 Weeks	¥13,728.2 ¥13,724.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	10.14 dB	5 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN 2W SMA F/M 1dB RoHS BW-S1W2+ Mini-Circuits 1: ¥9,145.5 552On Order	Mfr. Part # BW-S1W2+ Mouser Part # 139-BW-S1W2	Mini-Circuits	Attenuators - Interconnects FXD ATTEN 2W SMA F/M 1dB RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	552On Order On Order Ship Dates Mfr. #: BW-S1W2+ Stock: 0 On Order: 114 Expected 11/6/2026 438 Expected 1/5/2027 Factory Lead-Time: 17 Weeks	¥9,145.5 ¥9,045.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	1.39 dB	2 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN 2W SMA F/M 20dB RoHS BW-S20W2+ Mini-Circuits 1: ¥9,045.8 631On Order	Mfr. Part # BW-S20W2+ Mouser Part # 139-BW-S20W2	Mini-Circuits	Attenuators - Interconnects FXD ATTEN 2W SMA F/M 20dB RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	631On Order On Order Ship Dates Mfr. #: BW-S20W2+ Stock: 0 On Order: 331 Expected 11/30/2026 300 Expected 1/25/2027 Factory Lead-Time: 17 Weeks	¥9,045.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	19.49 dB	2 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN / SMA /20dB 20W RoHS BW-S20W20+ Mini-Circuits 1: ¥39,551.7 102On Order	Mfr. Part # BW-S20W20+ Mouser Part # 139-BW-S20W20	Mini-Circuits	Attenuators - Interconnects FXD ATTEN / SMA /20dB 20W RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	102On Order On Order Ship Dates Mfr. #: BW-S20W20+ Stock: 0 On Order: 22 Expected 11/16/2026 30 Expected 12/21/2026 50 Expected 1/26/2027 Factory Lead-Time: 17 Weeks	¥39,551.7 ¥39,314.2 View Quote	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	20 dB	20 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN 2W SMA F/M 30dB RoHS BW-S30W2+ Mini-Circuits 1: ¥9,145.5 853On Order	Mfr. Part # BW-S30W2+ Mouser Part # 139-BW-S30W2	Mini-Circuits	Attenuators - Interconnects FXD ATTEN 2W SMA F/M 30dB RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	853On Order On Order Ship Dates Mfr. #: BW-S30W2+ Stock: 0 On Order: 263 Expected 11/10/2026 330 Expected 11/23/2026 260 Expected 12/29/2026 Factory Lead-Time: 17 Weeks	¥9,145.5 ¥9,045.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	29.62 dB	2 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN / SMA /30dB 20W RoHS BW-S30W20+ Mini-Circuits 1: ¥39,551.7 235On Order	Mfr. Part # BW-S30W20+ Mouser Part # 139-BW-S30W20	Mini-Circuits	Attenuators - Interconnects FXD ATTEN / SMA /30dB 20W RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	235On Order On Order Ship Dates Mfr. #: BW-S30W20+ Stock: 0 On Order: 39 Expected 10/28/2026 26 Expected 11/18/2026 70 Expected 11/26/2026 100 Expected 1/4/2027 Factory Lead-Time: 17 Weeks	¥39,551.7 ¥39,317.5 View Quote	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	31.5 dB	20 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN / SMA / 30dB 5W RoHS BW-S30W5+ Mini-Circuits 1: ¥13,724.8 307On Order	Mfr. Part # BW-S30W5+ Mouser Part # 139-BW-S30W5	Mini-Circuits	Attenuators - Interconnects FXD ATTEN / SMA / 30dB 5W RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	307On Order On Order Ship Dates Mfr. #: BW-S30W5+ Stock: 0 On Order: 72 Expected 10/30/2026 95 Expected 12/21/2026 140 Expected 12/28/2026 Factory Lead-Time: 17 Weeks	¥13,724.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	29.59 dB	5 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN 2W SMA F/M 3dB RoHS BW-S3W2+ Mini-Circuits 1: ¥9,145.5 1,284On Order	Mfr. Part # BW-S3W2+ Mouser Part # 139-BW-S3W2	Mini-Circuits	Attenuators - Interconnects FXD ATTEN 2W SMA F/M 3dB RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	1,284On Order On Order Ship Dates Mfr. #: BW-S3W2+ Stock: 0 On Order: 134 Expected 11/2/2026 600 Expected 11/23/2026 550 Expected 11/26/2026 Factory Lead-Time: 17 Weeks	¥9,145.5 ¥9,045.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	3.23 dB	2 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN / SMA / 3dB 5W RoHS BW-S3W5+ Mini-Circuits 1: ¥13,728.2 390On Order	Mfr. Part # BW-S3W5+ Mouser Part # 139-BW-S3W5	Mini-Circuits	Attenuators - Interconnects FXD ATTEN / SMA / 3dB 5W RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	390On Order On Order Ship Dates Mfr. #: BW-S3W5+ Stock: 0 On Order: 240 Expected 1/11/2027 150 Expected 1/27/2027 Factory Lead-Time: 17 Weeks	¥13,728.2 ¥13,724.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	3.01 dB	5 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN 2W SMA F/M 40dB RoHS BW-S40W2+ Mini-Circuits 1: ¥9,145.5 488On Order	Mfr. Part # BW-S40W2+ Mouser Part # 139-BW-S40W2	Mini-Circuits	Attenuators - Interconnects FXD ATTEN 2W SMA F/M 40dB RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	488On Order On Order Ship Dates Mfr. #: BW-S40W2+ Stock: 0 On Order: 248 Expected 11/9/2026 240 Expected 11/23/2026 Factory Lead-Time: 17 Weeks	¥9,145.5 ¥9,045.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	40.07 dB	2 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN 2W SMA F/M 5dB RoHS BW-S5W2+ Mini-Circuits 1: ¥9,145.5 501On Order	Mfr. Part # BW-S5W2+ Mouser Part # 139-BW-S5W2	Mini-Circuits	Attenuators - Interconnects FXD ATTEN 2W SMA F/M 5dB RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	501On Order On Order Ship Dates Mfr. #: BW-S5W2+ Stock: 0 On Order: 61 Expected 11/2/2026 200 Expected 12/14/2026 240 Expected 1/5/2027 Factory Lead-Time: 17 Weeks	¥9,145.5 ¥9,045.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	5.25 dB	2 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN 2W SMA F/M 6dB RoHS BW-S6W2+ Mini-Circuits 1: ¥9,045.8 780On Order	Mfr. Part # BW-S6W2+ Mouser Part # 139-BW-S6W2	Mini-Circuits	Attenuators - Interconnects FXD ATTEN 2W SMA F/M 6dB RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	780On Order On Order Ship Dates Mfr. #: BW-S6W2+ Stock: 0 On Order: 270 Expected 11/9/2026 510 Expected 11/30/2026 Factory Lead-Time: 17 Weeks	¥9,045.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	6.16 dB	2 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN / N / 10dB 20W RoHS BW-N10W20+ Mini-Circuits 1: ¥42,382.1 50Expected 2/15/2027	Mfr. Part # BW-N10W20+ Mouser Part # 139-BW-N10W20	Mini-Circuits	Attenuators - Interconnects FXD ATTEN / N / 10dB 20W RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	50Expected 2/15/2027	¥42,382.1	Min.: 1 Mult.: 1	N	0 Hz to 18 GHz	10 dB	20 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN / N / 6dB 20W RoHS BW-N6W20+ Mini-Circuits 1: ¥42,848.8 18On Order	Mfr. Part # BW-N6W20+ Mouser Part # 139-BW-N6W20	Mini-Circuits	Attenuators - Interconnects FXD ATTEN / N / 6dB 20W RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	18On Order On Order Ship Dates Mfr. #: BW-N6W20+ Stock: 0 On Order: 8 Expected 10/28/2026 10 Expected 12/21/2026 Factory Lead-Time: 17 Weeks	¥42,848.8 ¥42,382.1	Min.: 1 Mult.: 1	N	0 Hz to 18 GHz	6.75 dB	20 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN 5W N F/M 9dB RoHS BW-N9W5+ Mini-Circuits 1: ¥17,930.5 42Expected 12/21/2026	Mfr. Part # BW-N9W5+ Mouser Part # 139-BW-N9W5	Mini-Circuits	Attenuators - Interconnects FXD ATTEN 5W N F/M 9dB RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	42Expected 12/21/2026	¥17,930.5	Min.: 1 Mult.: 1	N	0 Hz to 18 GHz	9 dB	5 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects 1 dB Fixed Attenuator, DC - 26000 MHz, 50ohm BW-S1-2W263A+ Mini-Circuits 1: ¥18,251.1 30On Order	Mfr. Part # BW-S1-2W263A+ Mouser Part # 139-BW-S1-2W263A	Mini-Circuits	Attenuators - Interconnects 1 dB Fixed Attenuator, DC - 26000 MHz, 50ohm	Datasheet	30On Order On Order Ship Dates Mfr. #: BW-S1-2W263A+ Stock: 0 On Order: 10 Expected 12/21/2026 20 Expected 1/5/2027 Factory Lead-Time: 17 Weeks	¥18,251.1	Min.: 1 Mult.: 1	SMA	0 Hz to 26 GHz	1.75 dB	2 W	Male / Female	50 Ohms	1.46	- 55 C	+ 100 C	BW	Bulk
Attenuators - Interconnects FXD ATTEN 2W SMA F/M 12dB RoHS BW-S12W2+ Mini-Circuits 1: ¥9,045.8 95On Order	Mfr. Part # BW-S12W2+ Mouser Part # 139-BW-S12W2	Mini-Circuits	Attenuators - Interconnects FXD ATTEN 2W SMA F/M 12dB RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	95On Order On Order Ship Dates Mfr. #: BW-S12W2+ Stock: 0 On Order: 45 Expected 12/28/2026 50 Expected 1/27/2027 Factory Lead-Time: 17 Weeks	¥9,045.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz		2 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN 2W SMA F/M 15dB RoHS BW-S15W2+ Mini-Circuits 1: ¥9,145.5 75Expected 11/26/2026	Mfr. Part # BW-S15W2+ Mouser Part # 139-BW-S15W2	Mini-Circuits	Attenuators - Interconnects FXD ATTEN 2W SMA F/M 15dB RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	75Expected 11/26/2026	¥9,145.5 ¥9,045.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	15.61 dB	2 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN / SMA / 15dB 5W RoHS BW-S15W5+ Mini-Circuits 1: ¥13,728.2 50Expected 11/30/2026	Mfr. Part # BW-S15W5+ Mouser Part # 139-BW-S15W5	Mini-Circuits	Attenuators - Interconnects FXD ATTEN / SMA / 15dB 5W RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	50Expected 11/30/2026	¥13,728.2 ¥13,724.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	15 dB	5 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN / SMA / 3dB 20W RoHS BW-S3W20+ Mini-Circuits 1: ¥39,551.7 11Expected 12/21/2026	Mfr. Part # BW-S3W20+ Mouser Part # 139-BW-S3W20	Mini-Circuits	Attenuators - Interconnects FXD ATTEN / SMA / 3dB 20W RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	11Expected 12/21/2026	¥39,551.7 ¥39,314.2 View Quote	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	3 dB	20 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN / SMA /40dB 20W RoHS BW-S40W20+ Mini-Circuits 1: ¥39,551.7 50On Order	Mfr. Part # BW-S40W20+ Mouser Part # 139-BW-S40W20	Mini-Circuits	Attenuators - Interconnects FXD ATTEN / SMA /40dB 20W RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	50On Order On Order Ship Dates Mfr. #: BW-S40W20+ Stock: 0 On Order: 20 Expected 11/9/2026 30 Expected 12/21/2026 Factory Lead-Time: 17 Weeks	¥39,551.7 ¥39,314.2 View Quote	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	41.5 dB	20 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN / SMA / 6dB 20W RoHS BW-S6W20+ Mini-Circuits 1: ¥39,551.7 20Expected 11/9/2026	Mfr. Part # BW-S6W20+ Mouser Part # 139-BW-S6W20	Mini-Circuits	Attenuators - Interconnects FXD ATTEN / SMA / 6dB 20W RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	20Expected 11/9/2026	¥39,551.7 ¥39,314.2 View Quote	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	6.75 dB	20 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW
Attenuators - Interconnects FXD ATTEN 2W SMA F/M 7dB RoHS BW-S7W2+ Mini-Circuits 1: ¥9,145.5 57On Order	Mfr. Part # BW-S7W2+ Mouser Part # 139-BW-S7W2	Mini-Circuits	Attenuators - Interconnects FXD ATTEN 2W SMA F/M 7dB RoHS Learn More about Mini-Circuits mini circuits bw fixed attenuators	Datasheet	57On Order On Order Ship Dates Mfr. #: BW-S7W2+ Stock: 0 On Order: 17 Expected 10/27/2026 40 Expected 1/5/2027 Factory Lead-Time: 17 Weeks	¥9,145.5 ¥9,045.8	Min.: 1 Mult.: 1	SMA	0 Hz to 18 GHz	7.16 dB	2 W	Male / Female	50 Ohms		- 55 C	+ 100 C	BW

0 dB
0.5 dB
1 dB
1.29 dB
1.39 dB
1.75 dB
2 dB
2.07 dB
2.13 dB
3 dB
3.01 dB
3.23 dB
3.75 dB
3.8 dB
4 dB
4.51 dB
4.9 dB
5 dB
5.25 dB
6 dB