RF/Microwave Attenuators

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Part	Manufacturer	RF or Microwave Device Type	Mounting Feature	No. of Terminals	Package Body Material	Technology	Screening Level	Maximum Input Power (CW)	Maximum Voltage Standing Wave Ratio	Nominal Attenuation	Maximum Supply Current	Construction	Power Supplies (V)	Package Equivalence Code	Characteristic Impedance	Sub-Category	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Maximum Insertion Loss	Additional Features	JESD-609 Code	Minimum Operating Frequency	Maximum Operating Frequency
BW-S20W2	Mini-circuits	FIXED ATTENUATOR						33.01 dBm	1.3	20 dB		COAXIAL			50 ohm				Tin/Lead (Sn/Pb)		SMA-F; SMA-M	e0	0 MHz	18000 MHz
BW-S20W2+	Mini-circuits	FIXED ATTENUATOR						33.01 dBm	1.3	20 dB		COAXIAL			50 ohm		100 Cel	-55 Cel			SMA-F; SMA-M, I/P POWER-MAX(PEAK)=125W		0 MHz	18000 MHz
GAT-10+	Mini-circuits	FIXED ATTENUATOR		4	PLASTIC/EPOXY			26.99 dBm	1.3	10 dB		COMPONENT		MODULE,4LEAD(UNSPEC)	50 ohm	RF/Microwave Attenuators	85 Cel	-45 Cel	TIN SILVER OVER NICKEL		USABLE TO 10000 MHZ	e2	0 MHz	8000 MHz
GAT-10	Mini-circuits	FIXED ATTENUATOR		4	PLASTIC/EPOXY			26.99 dBm	1.3	10 dB		COMPONENT		MODULE,4LEAD(UNSPEC)	50 ohm	RF/Microwave Attenuators	85 Cel	-45 Cel	Tin/Lead (Sn/Pb)		USABLE TO 10000 MHZ	e0	0 MHz	8000 MHz
HMC658LP2ETR	Analog Devices	FIXED ATTENUATOR	SURFACE MOUNT	6	PLASTIC/EPOXY									SOLCC6,.08,25		RF/Microwave Attenuators	85 Cel	-40 Cel	Matte Tin (Sn) - annealed			e3
M2-10	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.35	10 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	GOLD		N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz
TVA0400N09W3S	Smiths Group Plc	FIXED ATTENUATOR						33.01 dBm	1.3	4 dB		COMPONENT			50 ohm		150 Cel	-55 Cel	Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier			e0	0 MHz	6000 MHz
33	Cobham Plc	FIXED ATTENUATOR						43.98 dBm	1.3														0 MHz	8000 MHz
47-40-34	IXYS Corporation	FIXED ATTENUATOR						46.99 dBm	1.35	40 dB		COAXIAL			50 ohm		125 Cel	-55 Cel			N-F; N-M, I/P POWER-MAX(PEAK)=1000W		0 MHz	18000 MHz
54-10	Cobham Plc	FIXED ATTENUATOR						33.01 dBm	1.6	10 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	GOLD			e4	0 MHz	40000 MHz
66-10-44	Cobham Plc	FIXED ATTENUATOR						51.76 dBm	1.9	10 dB		COAXIAL			50 ohm		100 Cel	-55 Cel	GOLD		N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz
6A-40	Cobham Plc	FIXED ATTENUATOR						33.01 dBm	1.2	40 dB		COAXIAL			50 ohm		125 Cel	-65 Cel			SMA-F; SMA-M, I/P POWER-MAX(PEAK)=250W		0 MHz	6000 MHz
87-0.5	Cobham Plc	FIXED ATTENUATOR						33.01 dBm	1.25	.5 dB		COAXIAL			50 ohm		100 Cel	-55 Cel	GOLD		2.92 MM-F; 2.92 MM-M, I/P POWER-MAX(PEAK)=500W	e4	0 MHz	32000 MHz
87-04	Api Technologies	FIXED ATTENUATOR	PANEL MOUNT				MIL-A-3933	33.01 dBm	1.25	4 dB		COAXIAL			50 ohm		100 Cel	-55 Cel			2.92 MM-F; 2.92 MM-M, I/P POWER-MAX(PEAK)=500W		0 MHz	32000 MHz
87-05	Api Technologies	FIXED ATTENUATOR	PANEL MOUNT				MIL-A-3933	33.01 dBm	1.25	5 dB		COAXIAL			50 ohm		100 Cel	-55 Cel			2.92 MM-F; 2.92 MM-M, I/P POWER-MAX(PEAK)=500W		0 MHz	32000 MHz
AT-12	Mini-circuits	FIXED ATTENUATOR	THROUGH HOLE MOUNT	8	METAL			30 dBm	1.7	12 dB		COMPONENT		DIP8,.2,200	50 ohm	RF/Microwave Attenuators			Tin/Lead (Sn/Pb)			e0	0 MHz	1500 MHz
AT-12+	Mini-circuits	FIXED ATTENUATOR						30 dBm	1.7	12 dB		COMPONENT			50 ohm								0 MHz	1500 MHz
BW-S3-2W263A+	Mini-circuits	FIXED ATTENUATOR	PANEL MOUNT					33.01 dBm	1.4	3 dB		COAXIAL			50 ohm		125 Cel	-65 Cel			SMA-F; SMA-M, I/P POWER-MAX(PEAK)=250W		0 MHz	26000 MHz
EXB24AT1AR3X	Panasonic	FIXED ATTENUATOR						16.02 dBm	1.3	1 dB		COMPONENT			50 ohm		125 Cel	-55 Cel	TIN			e3	0 MHz	3000 MHz
F84-10	Aeroflex/weinschel	FIXED ATTENUATOR						33.01 dBm	1.5	10 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	Gold (Au)		2.4 MM-F, I/P POWER-MAX(PEAK)=200W	e4	0 MHz	40000 MHz
HMC346AMS8GE	Analog Devices	VARIABLE ATTENUATOR	SURFACE MOUNT	8	PLASTIC/EPOXY	GAAS		18 dBm		28 dB		COMPONENT		TSSOP8,.19	50 ohm		85 Cel	-40 Cel	MATTE TIN	3.1 dB		e3	-40 MHz	85 MHz
HMC346AMS8GETR	Analog Devices	VARIABLE ATTENUATOR						17.78 dBm		28 dB		COMPONENT			50 ohm		85 Cel	-40 Cel	MATTE TIN	3.1 dB		e3	0 MHz	8000 MHz
KAT-10+	Mini-circuits	FIXED ATTENUATOR	SURFACE MOUNT	6	PLASTIC/EPOXY			32.304 dBm	1.5	9.9 dB		COMPONENT		SOLCC6,.08,25			85 Cel	-40 Cel					0 MHz	43500 MHz
LCAT1001-08	Infinite Electronics International	FIXED ATTENUATOR
PAT1220-C-2DB-T5	Susumu	FIXED ATTENUATOR						20 dBm	1.3	2 dB		COMPONENT			50 ohm		125 Cel	-55 Cel	Matte Tin (Sn)			e3	0 MHz	10000 MHz
R417506130	Radiall S A	FIXED ATTENUATOR						44.77 dBm	1.35	6 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	Gold (Au) - with Nickel (Ni) barrier		SMA-F; SMA-M, I/P POWER-MAX(PEAK)=5000W	e4	0 MHz	4000 MHz
YAT-0A+	Mini-circuits	FIXED ATTENUATOR	SURFACE MOUNT	6	PLASTIC/EPOXY	GAAS		33.01 dBm	1.8	.05 dB		COMPONENT			50 ohm		85 Cel	-40 Cel					0 MHz	18000 MHz
1958	Herley Industries	VARIABLE ATTENUATOR						30 dBm	1.8	60 dB		COAXIAL					125 Cel	-54 Cel		2.5 dB	I/P POWER-MAX(PEAK)=25W		8000 MHz	18000 MHz
2-60	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.35	60 dB		COAXIAL			50 ohm		125 Cel	-55 Cel			N-F; N-M, I/P POWER-MAX(PEAK)=1000W		0 MHz	18000 MHz
268-30-33-LIM	Api Technologies	FIXED ATTENUATOR	PANEL MOUNT					50 dBm	1.2	30 dB		COAXIAL			50 ohm		100 Cel	-55 Cel	Gold (Au)		N-F, I/P POWER-MAX(PEAK)=10000W	e4	0 MHz	6000 MHz
3007-6	Cobham Plc	VARIABLE ATTENUATOR						30 dBm	1.3	6 dB		COAXIAL			50 ohm		65 Cel	-40 Cel			SMA-F, HIGH RELIABILITY		0 MHz	2500 MHz
4108-14DB	Pomona Electronics	FIXED ATTENUATOR						33.01 dBm	1.65	14 dB		COAXIAL			50 ohm		102 Cel	-55 Cel			BNC-F; BNC-M		1000 MHz	8000 MHz
44-8	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.25	8 dB		COAXIAL			50 ohm		85 Cel	-50 Cel	GOLD		N-F; N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz
47-10-43	IXYS Corporation	FIXED ATTENUATOR						46.99 dBm	1.35	10 dB		COAXIAL			50 ohm		125 Cel	-55 Cel			N-F; N-M, I/P POWER-MAX(PEAK)=1000W		0 MHz	18000 MHz
57-3-13	Cobham Plc	FIXED ATTENUATOR						51.76 dBm	1.2	3 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	Gold (Au)		N-F, I/P POWER-MAX(PEAK)=10000W	e4	0 MHz	6000 MHz
68-30-33-LIM	Api Technologies	FIXED ATTENUATOR																	Gold (Au)			e4
69-7-22	Aeroflex/weinschel	FIXED ATTENUATOR						36.99 dBm	1.35	7 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	Silver (Ag)		SMA-M, I/P POWER-MAX(PEAK)=500W	e4	0 MHz	18000 MHz
90-30-34	Cobham Plc	FIXED ATTENUATOR						46.99 dBm	1.3	30 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	Gold (Au)		N-F; N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz
D10AA2Z4	Ttm Technologies	FIXED ATTENUATOR						40 dBm	1.25	2 dB		COMPONENT			50 ohm		125 Cel	-55 Cel	Matte Tin (Sn) - with Nickel (Ni) barrier			e3	0 MHz	3000 MHz
HMC656LP2E	Analog Devices	FIXED ATTENUATOR	SURFACE MOUNT	6	PLASTIC/EPOXY			25 dBm		10 dB		COMPONENT		SOLCC6,.08,25	50 ohm	RF/Microwave Attenuators	85 Cel	-40 Cel	MATTE TIN			e3	0 MHz	25000 MHz
PAT3060H-C-6DB-T1	Susumu	FIXED ATTENUATOR	SURFACE MOUNT	3				36.99 dBm	1.2	6 dB		COMPONENT			50 ohm		125 Cel	-55 Cel					0 MHz	6000 MHz
RFSA2033SR	Qorvo	VARIABLE ATTENUATOR	SURFACE MOUNT	16	PLASTIC/EPOXY			27 dBm		25 dB	3.5 mA	COMPONENT	3.3/5	LCC16,.12SQ,20	50 ohm	RF/Microwave Attenuators	85 Cel	-40 Cel					50 MHz	6000 MHz
SF0929-6200-21	Sv Microwave	FIXED ATTENUATOR						33.01 dBm	1.35	21 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	Gold (Au) - with Nickel (Ni) barrier		SMA, I/P POWER-MAX(PEAK)=500W	e4	0 MHz	18000 MHz
VAT-10A+	Mini-circuits	FIXED ATTENUATOR	PANEL MOUNT					32.3 dBm	1.5	10 dB		COAXIAL			50 ohm		100 Cel	-45 Cel			SMA-F; SMA-M		0 MHz	6000 MHz
19-6-3	Cobham Plc	FIXED ATTENUATOR						30 dBm	1.35	6 dB		COAXIAL			50 ohm		125 Cel	-55 Cel			SMP-M, I/P POWER-MAX(PEAK)=250W		0 MHz	18000 MHz
2-1	Cobham Plc	FIXED ATTENUATOR						40 dBm	1.35	1 dB		COAXIAL			50 ohm		125 Cel	-55 Cel			N-F; N-M, I/P POWER-MAX(PEAK)=1000W		0 MHz	18000 MHz
44-20	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.25	20 dB		COAXIAL			50 ohm		85 Cel	-50 Cel	GOLD		N-F; N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz
48-40-22	Cobham Plc	FIXED ATTENUATOR						50 dBm	1.45	40 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	GOLD		3.5 MM-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz

RF/Microwave attenuators are electronic devices designed to reduce the strength or amplitude of an RF or microwave signal without significantly affecting its waveform. They are used in a variety of applications, including signal conditioning, power level control, and impedance matching.

There are various types of RF/Microwave attenuators, including fixed, variable, and programmable. Fixed attenuators provide a fixed amount of attenuation and are used in applications where the signal level needs to be reduced by a specific amount. Variable attenuators allow for the adjustment of the signal level by rotating a knob or sliding a lever, and are used in applications where the signal level needs to be continuously adjusted. Programmable attenuators can be controlled electronically and offer greater flexibility in adjusting the signal level.

Attenuators can be designed using different technologies, such as resistive, capacitive, and diode-based. Resistive attenuators use resistors to dissipate energy and reduce signal strength. Capacitive attenuators use capacitors to block high-frequency signals and allow low-frequency signals to pass through. Diode-based attenuators use PIN diodes or varactor diodes to control signal strength.

RF/Microwave attenuators are used in a wide range of applications, including in wireless communication systems, test and measurement equipment, radar systems, and satellite communication systems. They play an important role in controlling signal levels and ensuring the integrity of signals in these systems.