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	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
66-10-12	Cobham Plc	FIXED ATTENUATOR
84-3	Aeroflex/weinschel	FIXED ATTENUATOR						33.01 dBm	1.5	3 dB	COAXIAL			50 ohm		125 Cel	-55 Cel	Gold (Au)		2.4 MM-F; 2.4 MM-M, I/P POWER-MAX(PEAK)=200W	e4	0 MHz	40000 MHz
87-01	Api Technologies	FIXED ATTENUATOR	PANEL MOUNT				MIL-A-3933	33.01 dBm	1.25	1 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
87-7.5	Cobham Plc	FIXED ATTENUATOR						33.01 dBm	1.25	7.5 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
A-0805-C-00DB	International Manufacturing Services	FIXED ATTENUATOR						20 dBm	1.3	0 dB	COMPONENT			50 ohm		125 Cel	-55 Cel	MATTE TIN OVER NICKEL		LOW NOISE	e3	0 MHz	10000 MHz
BW-40N100W+	Mini-circuits	FIXED ATTENUATOR						50 dBm	1.4	40 dB	COAXIAL			50 ohm		100 Cel	-55 Cel			N-F; N-M, I/P POWER-MAX(PEAK)=1000W, USABLE TO 5000 MHZ		0 MHz	4000 MHz
BW-40N100W	Mini-circuits	FIXED ATTENUATOR						50 dBm	1.4	40 dB	COAXIAL			50 ohm		100 Cel	-55 Cel	Tin/Lead (Sn/Pb)		N-F; N-M	e0	0 MHz	4000 MHz
D10AA20Z4	Ttm Technologies	FIXED ATTENUATOR						40 dBm	1.25	20 dB	COMPONENT			50 ohm		125 Cel	-55 Cel	Matte Tin (Sn) - with Nickel (Ni) barrier			e3	0 MHz	3000 MHz
HMC467LP3ETR	Analog Devices	VARIABLE ATTENUATOR						30 dBm		6 dB	COMPONENT			50 ohm		85 Cel	-40 Cel	Matte Tin (Sn)	1.2 dB		e3	0 MHz	6000 MHz
HMC540LP3E	Analog Devices	VARIABLE ATTENUATOR	SURFACE MOUNT	16	PLASTIC/EPOXY	GAAS		29 dBm		15 dB	COMPONENT	5	LCC16,.12SQ,20	50 ohm	RF/Microwave Attenuators	85 Cel	-40 Cel	MATTE TIN	2.6 dB	CMOS COMPATIBLE	e3	0 MHz	5500 MHz
HMC802ALP3E	Analog Devices	FIXED ATTENUATOR	SURFACE MOUNT	16	PLASTIC/EPOXY	GAAS		29.3 dBm		20 dB	COMPONENT	5	LCC16,.12SQ,20	50 ohm		85 Cel	-40 Cel	MATTE TIN	3.5 dB		e3		10000 MHz
LAT-20	Mini-circuits	FIXED ATTENUATOR						26.99 dBm	1.6	20 dB	COMPONENT			50 ohm		85 Cel	-55 Cel	Tin/Lead (Sn/Pb)			e0	0 MHz	2500 MHz
LAT-20+	Mini-circuits	FIXED ATTENUATOR	SURFACE MOUNT	4	PLASTIC/EPOXY			26.99 dBm	1.6	20 dB	COMPONENT		TO-253	50 ohm	RF/Microwave Attenuators	85 Cel	-55 Cel	TIN SILVER NICKEL			e2	0 MHz	2500 MHz
LCAT1004-30	Infinite Electronics International	FIXED ATTENUATOR
M1-3	Cobham Plc	FIXED ATTENUATOR						40 dBm	1.25	3 dB	COAXIAL			50 ohm		125 Cel	-55 Cel	GOLD		N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	12400 MHz
M3933/25-76N	Defense Logistics Agency	FIXED ATTENUATOR						33.01 dBm	1.35	9 dB	COAXIAL			50 ohm		125 Cel	-55 Cel			SMA-F; SMA-M, I/P POWER-MAX(PEAK)=500W		0 MHz	18000 MHz
M3933/25-76S	Defense Logistics Agency	FIXED ATTENUATOR						33.01 dBm	1.35	9 dB	COAXIAL			50 ohm		125 Cel	-55 Cel			SMA-F; SMA-M, I/P POWER-MAX(PEAK)=500W		0 MHz	18000 MHz
PAT0816-C-3DB-T5	Susumu	FIXED ATTENUATOR						17.99 dBm	1.5	3 dB	COMPONENT			50 ohm		125 Cel	-55 Cel	Matte Tin (Sn)			e3	0 MHz	10000 MHz
PAT3060H-C-1DB-T1	Susumu	FIXED ATTENUATOR	SURFACE MOUNT	3				36.99 dBm	1.2	1 dB	COMPONENT			50 ohm		125 Cel	-55 Cel					0 MHz	6000 MHz
RFSA2013SR	Qorvo	VARIABLE ATTENUATOR	SURFACE MOUNT	16	PLASTIC/EPOXY	CMOS		30 dBm		30 dB	COMPONENT	5	LCC16,.12SQ,20	50 ohm	RF/Microwave Attenuators	105 Cel	-40 Cel	TIN SILVER	3.5 dB		e2	50 MHz	6000 MHz
RFSA3714TR13	Qorvo	VARIABLE ATTENUATOR	SURFACE MOUNT	24				30 dBm	1.43	31.75 dB	COMPONENT	5	LCC24,.16SQ,20	50 ohm		105 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)			e4	50 MHz	6000 MHz
TGL2767-SM	Qorvo	VARIABLE ATTENUATOR						30 dBm		20 dB	COMPONENT			50 ohm		85 Cel	-40 Cel					2000 MHz	31000 MHz
TS0320W3F	Smiths Group Plc	FIXED ATTENUATOR						33.01 dBm	1.5	20 dB	COMPONENT			50 ohm		150 Cel	-55 Cel	SILVER		HIGH RELIABILITY	e4	0 MHz	12400 MHz
TS0503F	Smiths Group Plc	FIXED ATTENUATOR	SURFACE MOUNT	3				33.01 dBm	1.5	3 dB	COMPONENT		DIE OR CHIP	50 ohm		150 Cel	-55 Cel	SILVER OVER NICKEL		I/P POWER-MAX (PEAK)=1W	e4	0 MHz	18000 MHz
TS9502T3	Smiths Group Plc	FIXED ATTENUATOR						20 dBm	1.5	2 dB	COMPONENT			50 ohm		150 Cel	-55 Cel	Tin/Lead (Sn/Pb)		I/P POWER-MAX(PEAK)=1W	e0	0 MHz	18000 MHz
TS9503T3	Smiths Group Plc	FIXED ATTENUATOR						20 dBm	1.5	3 dB	COMPONENT			50 ohm		150 Cel	-55 Cel	Tin/Lead (Sn/Pb)		I/P POWER-MAX(PEAK)=1W	e0	0 MHz	18000 MHz
TVA0500N09W3S	Smiths Group Plc	FIXED ATTENUATOR						33.01 dBm	1.3	5 dB	COMPONENT			50 ohm		150 Cel	-55 Cel	Tin/Lead (Sn/Pb)			e0	0 MHz	6000 MHz
VAT-20W2+	Mini-circuits	FIXED ATTENUATOR						33.01 dBm	1.95	20 dB	COAXIAL			50 ohm		100 Cel	-45 Cel			SMA-F; SMA-M		0 MHz	6000 MHz
VAT-20W2	Mini-circuits	FIXED ATTENUATOR						33.01 dBm	1.95	20 dB	COAXIAL			50 ohm		100 Cel	-45 Cel	Tin/Lead (Sn/Pb)		SMA-F; SMA-M	e0	0 MHz	6000 MHz
YAT-20A+	Mini-circuits	FIXED ATTENUATOR	SURFACE MOUNT	6	PLASTIC/EPOXY	GAAS		29.03 dBm	2.25	20.05 dB	COMPONENT			50 ohm		85 Cel	-40 Cel					0 MHz	18000 MHz
19-9-1	Cobham Plc	FIXED ATTENUATOR						30 dBm	1.35	9 dB	COAXIAL			50 ohm		125 Cel	-55 Cel			SMP-M, I/P POWER-MAX(PEAK)=250W		0 MHz	18000 MHz
19-9-2	Cobham Plc	FIXED ATTENUATOR						30 dBm	1.35	9 dB	COAXIAL			50 ohm		125 Cel	-55 Cel			SMP-M, I/P POWER-MAX(PEAK)=250W		0 MHz	18000 MHz
2031-2	Cobham Plc	FIXED ATTENUATOR						33.01 dBm	1.3	2 dB	COAXIAL			50 ohm		125 Cel	-65 Cel	GOLD		N-F; SMA-F, I/P POWER-MAX(PEAK)=250W	e4	0 MHz	18000 MHz
284-6-21	Cobham Plc	FIXED ATTENUATOR	PANEL MOUNT		METAL			46.99 dBm	1.3	6 dB	COAXIAL			50 ohm		100 Cel	-55 Cel			SMK 2.92 MM-F; SMK 2.92 MM-M, I/P POWER-MAX(PEAK)=5000W		0 MHz	10000 MHz
290-20-42	Api Technologies	FIXED ATTENUATOR	PANEL MOUNT					53.98 dBm	1.6	20 dB	COAXIAL			50 ohm				Gold (Au)		3.5 MM-M; N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz
3014-120	Cobham Plc	VARIABLE ATTENUATOR						30 dBm	1.3	110 dB	MODULE			50 ohm		65 Cel	-40 Cel		.5 dB			0 MHz	1250 MHz
3221-2	Aeroflex/weinschel	VARIABLE ATTENUATOR						30 dBm	1.3	120 dB	MODULE			50 ohm					3.25 dB			0 MHz	2000 MHz
4R-6	Cobham Plc	FIXED ATTENUATOR						33.01 dBm	1.25		MODULE			50 ohm		125 Cel	-50 Cel	GOLD			e4	0 MHz	3000 MHz
68-2-44	Cobham Plc	FIXED ATTENUATOR						50 dBm	1.2	2 dB	COAXIAL			50 ohm		100 Cel	-55 Cel	GOLD		N-M, I/P POWER-MAX(PEAK)=10000W	e4	0 MHz	4000 MHz
769-3	Lockheed Martin Microwave	FIXED ATTENUATOR						51.76 dBm	1.35		MODULE											0 MHz	6000 MHz
779-5	Lockheed Martin Microwave	FIXED ATTENUATOR						33.01 dBm	1.4		MODULE											0 MHz	18000 MHz
779-8	Lockheed Martin Microwave	FIXED ATTENUATOR						33.01 dBm	1.4		MODULE											0 MHz	18000 MHz
8491A-020	Keysight Technologies	FIXED ATTENUATOR	PANEL MOUNT					33.01 dBm	1.3	20 dB	COAXIAL			50 ohm		55 Cel	0 Cel			N-F; N-M, I/P POWER-MAX(PEAK)=100W		0 MHz	12400 MHz
87-30	Cobham Plc	FIXED ATTENUATOR						33.01 dBm	1.25	30 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
90-30-33	Cobham Plc	FIXED ATTENUATOR						46.99 dBm	1.3	30 dB	COAXIAL			50 ohm		125 Cel	-55 Cel	Gold (Au)		N-F, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz
AT0603T02ECAS3	KYOCERA AVX	FIXED ATTENUATOR	SURFACE MOUNT	4		AIN	MIL-STD-883	30 dBm	1.25	2 dB	COMPONENT			50 ohm		150 Cel	-55 Cel	Gold (Au)			e4	0 MHz	20000 MHz
AT65-0107TR	TE Connectivity		SURFACE MOUNT	24	PLASTIC/EPOXY	GAAS						5,-5/-8	SOP24,.4		RF/Microwave Attenuators	85 Cel	-40 Cel
ATS-1M1F-06DB2W	Amphenol	FIXED ATTENUATOR	PANEL MOUNT				MIL-STD-202, MIL-STD-348A	33.01 dBm	1.25	6 dB	COAXIAL			50 ohm		125 Cel	-55 Cel			N-F; N-M		0 MHz	6000 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.