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
87-23	Cobham Plc	FIXED ATTENUATOR						33.01 dBm	1.25	23 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
17-4	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.2	4 dB		MODULE			50 ohm		85 Cel	-50 Cel	GOLD			e4	0 MHz	18000 MHz
YAT-3A+	Mini-circuits	FIXED ATTENUATOR	SURFACE MOUNT	6	PLASTIC/EPOXY	GAAS		33.01 dBm	1.9	2.9 dB		COMPONENT			50 ohm		85 Cel	-40 Cel	MATTE TIN			e3	0 MHz	18000 MHz
32-2	Cobham Plc	FIXED ATTENUATOR						33.01 dBm	1.35	2 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	GOLD		SMA, HIGH RELIABILITY	e4	0 MHz	18000 MHz
HMC472ALP4ETR	Analog Devices	VARIABLE ATTENUATOR	SURFACE MOUNT	24	PLASTIC/EPOXY	GAAS		28 dBm	1.22	31.5 dB		COMPONENT	5	LCC24,.16SQ,20		RF/Microwave Attenuators	85 Cel	-40 Cel	MATTE TIN	3 dB		e3	0 MHz	3800 MHz
66-10-13	Cobham Plc	FIXED ATTENUATOR	PANEL MOUNT					51.76 dBm	1.9	10 dB		COAXIAL			50 ohm		100 Cel	-55 Cel	Gold (Au)		3.5 MM-F; N-F, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz
44-50	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.25	50 dB		COAXIAL			50 ohm		85 Cel	-50 Cel	GOLD		N-F; N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz
75-10-11	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.35	10 dB		MODULE			50 ohm		125 Cel	-55 Cel	GOLD			e4	0 MHz	40000 MHz
HMC540SLP3E	Analog Devices	VARIABLE ATTENUATOR						26.99 dBm		15 dB		COMPONENT			50 ohm		105 Cel	-40 Cel	MATTE TIN	3 dB	CMOS COMPATIBLE	e3	100 MHz	8000 MHz
44-07	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.25	7 dB		COAXIAL			50 ohm		85 Cel	-50 Cel	GOLD		N-F; N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz
19-8-2	Cobham Plc	FIXED ATTENUATOR						30 dBm	1.35	8 dB		COAXIAL			50 ohm		125 Cel	-55 Cel			SMP-M, I/P POWER-MAX(PEAK)=250W		0 MHz	18000 MHz
86-10-66	Cobham Plc	FIXED ATTENUATOR						46.99 dBm	1.3	10 dB		COAXIAL			50 ohm		90 Cel	-55 Cel	GOLD			e4	0 MHz	22000 MHz
84-5	Aeroflex/weinschel	FIXED ATTENUATOR						33.01 dBm	1.5	5 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
HMC424ALH5TR	Analog Devices	VARIABLE ATTENUATOR	SURFACE MOUNT	12	CERAMIC	GAAS		25 dBm		31.5 dB		COMPONENT	-5	LCC12,.2SQ	50 ohm		85 Cel	-40 Cel		5.2 dB			0 MHz	13000 MHz
HMC424ALH5	Analog Devices	VARIABLE ATTENUATOR	SURFACE MOUNT	12	CERAMIC	GAAS		25 dBm		31.5 dB		COMPONENT	-5	LCC12,.2SQ	50 ohm		85 Cel	-40 Cel		5.2 dB			0 MHz	13000 MHz
ATS-1M1F-03DB2W	Amphenol	FIXED ATTENUATOR	PANEL MOUNT				MIL-STD-202, MIL-STD-348A	33.01 dBm	1.25	3 dB		COAXIAL			50 ohm		125 Cel	-55 Cel			N-F; N-M		0 MHz	6000 MHz
MTVA0400N09W3S	Smiths Group Plc	FIXED ATTENUATOR						23.01 dBm	1.3	4 dB		COMPONENT			50 ohm		150 Cel	-55 Cel	Tin/Lead (Sn/Pb)		HIGH RELIABILITY, I/P POWER-MAX(PEAK)=2W	e0	0 MHz	12400 MHz
ADRF5720BCCZN	Analog Devices	VARIABLE ATTENUATOR	SURFACE MOUNT	24	PLASTIC/EPOXY	CMOS		27.99 dBm		31.5 dB		COMPONENT	+-3.3	LCC24,.16SQ,20	50 ohm		105 Cel	-40 Cel			CMOS COMPATIBLE, I/P POWER-MAX(PEAK)=1.26W		.009 MHz	40000 MHz
PE43704MLCA-Z	Psemi	VARIABLE ATTENUATOR	SURFACE MOUNT	32	PLASTIC/EPOXY	CMOS		34 dBm		31 dB	.2 mA	COMPONENT	2.5/5	LCC32,.2SQ,20	50 ohm	RF/Microwave Attenuators	85 Cel	-40 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	3.2 dB	I/P POWER-MAX(PULSE)=1.26W	e4	.009 MHz	8000 MHz
44-9	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.25	9 dB		COAXIAL			50 ohm		85 Cel	-50 Cel	GOLD		N-F; N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz
82-40-21	Cobham Plc	FIXED ATTENUATOR						60 dBm	1.25	40 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	GOLD		7/16-F; 7/16-M, I/P POWER-MAX(PEAK)=10000W	e4	0 MHz	3000 MHz
ADRF5730BCCZN-R7	Analog Devices	VARIABLE ATTENUATOR						27.99 dBm		31.5 dB		COMPONENT			50 ohm		105 Cel	-40 Cel			CMOS COMPATIBLE, I/P POWER-MAX(PEAK)=1.26W		100 MHz	40000 MHz
EXB24AT5AR3X	Panasonic	FIXED ATTENUATOR						16.02 dBm	1.3	5 dB		COMPONENT			50 ohm		125 Cel	-55 Cel	TIN			e3	0 MHz	3000 MHz
HMC1018ALP4E	Analog Devices	VARIABLE ATTENUATOR						26.99 dBm		31 dB		COMPONENT			50 ohm		85 Cel	-40 Cel	MATTE TIN	8 dB	CMOS COMPATIBLE	e3	100 MHz	30000 MHz
EXB24AT2AR3X	Panasonic	FIXED ATTENUATOR						16.02 dBm	1.3	2 dB		COMPONENT			50 ohm		125 Cel	-55 Cel	TIN			e3	0 MHz	3000 MHz
47-10-42	IXYS Corporation	FIXED ATTENUATOR						46.99 dBm	1.35	10 dB		COAXIAL			50 ohm		125 Cel	-55 Cel			3.5 MM-M; N-M, I/P POWER-MAX(PEAK)=1000W		0 MHz	18000 MHz
56-10	Cobham Plc	FIXED ATTENUATOR						33.01 dBm	1.25	10 dB		COAXIAL			50 ohm		100 Cel	-55 Cel	GOLD		3.5 MM, I/P POWER-MAX(PEAK)=500W	e4	0 MHz	28000 MHz
LCAT1002-05	Infinite Electronics International	FIXED ATTENUATOR
44-1	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.25	1 dB		COAXIAL			50 ohm		85 Cel	-50 Cel	GOLD		N-F; N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz
HMC470ALP3ETR	Analog Devices	VARIABLE ATTENUATOR	SURFACE MOUNT	16	PLASTIC/EPOXY	GAAS		25 dBm		31 dB		COMPONENT	3/5	LCC16,.12SQ,20	50 ohm		85 Cel	-40 Cel	MATTE TIN	2 dB	CMOS COMPATIBLE	e3	100 MHz	3000 MHz
HMC939ALP4E	Analog Devices	VARIABLE ATTENUATOR	SURFACE MOUNT	24		GAAS		27 dBm		31 dB	6.5 mA	COMPONENT	+-5	LCC24,.16SQ,20	50 ohm		85 Cel	-40 Cel	MATTE TIN	8 dB		e3	100 MHz	33000 MHz
LCAT1002-07	Infinite Electronics International	FIXED ATTENUATOR
LCAT1002-09	Infinite Electronics International	FIXED ATTENUATOR
LCAT1002-30	Infinite Electronics International	FIXED ATTENUATOR
TGL4203-SM	Qorvo	VARIABLE ATTENUATOR	SURFACE MOUNT	16	PLASTIC/EPOXY			24 dBm		17 dB		COMPONENT		LCC16,.12SQ,20		RF/Microwave Attenuators				2 dB			0 MHz	30000 MHz
24-3-37	Cobham Plc	FIXED ATTENUATOR						50 dBm	1.3	3 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	GOLD			e4	0 MHz	8500 MHz
HMC470LP3ETR	Analog Devices	VARIABLE ATTENUATOR	SURFACE MOUNT	16	PLASTIC/EPOXY	GAAS		26.99 dBm		31 dB		COMPONENT	5	LCC16,.12SQ,20	50 ohm	RF/Microwave Attenuators	85 Cel	-40 Cel	MATTE TIN	2 dB	CMOS COMPATIBLE	e3	0 MHz	3000 MHz
RFSA3513TR7	Qorvo	VARIABLE ATTENUATOR	SURFACE MOUNT	16	PLASTIC/EPOXY			30 dBm	1.43	31 dB		COMPONENT	3/5	LCC16,.12SQ,20	50 ohm		105 Cel	-40 Cel		1.4 dB			5 MHz	6000 MHz
82-40-14	Cobham Plc	FIXED ATTENUATOR						60 dBm	1.25	40 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	GOLD/SILVER		7/16-F; N-M, I/P POWER-MAX(PEAK)=10000W	e4	0 MHz	3000 MHz
LCAT1002-08	Infinite Electronics International	FIXED ATTENUATOR
17-2	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.2	2 dB		MODULE			50 ohm		85 Cel	-50 Cel	GOLD			e4	0 MHz	18000 MHz
HRF-AT4520-FL-TR	Honeywell	VARIABLE ATTENUATOR						35 dBm		31 dB		COMPONENT			50 ohm		85 Cel	-40 Cel	NICKEL (10) PALLADIUM GOLD SILVER	5.8 dB	CMOS COMPATIBLE		0 MHz	4000 MHz
2067-9	Cobham Plc	FIXED ATTENUATOR						30 dBm	1.25	9 dB		COAXIAL			50 ohm		75 Cel	-20 Cel	GOLD		SMA, I/P POWER-MAX(PEAK)=100W	e4	0 MHz	12400 MHz
44-2	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.25	2 dB		COAXIAL			50 ohm		85 Cel	-50 Cel	GOLD		N-F; N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	18000 MHz
ALM-38140-BLKG	Broadcom	VARIABLE ATTENUATOR	SURFACE MOUNT	6	PLASTIC/EPOXY			36 dBm		42 dB		MODULE	2.7	LCC6/8,.15SQ,28	50 ohm	RF/Microwave Attenuators				3.7 dB			50 MHz	4000 MHz
LCAT1001-04	Infinite Electronics International	FIXED ATTENUATOR
84-20	Aeroflex/weinschel	FIXED ATTENUATOR						33.01 dBm	1.5	20 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
44-10	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.25	10 dB		COAXIAL			50 ohm		85 Cel	-50 Cel	GOLD		N-F; N-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.