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-N30W50+	Mini-circuits	FIXED ATTENUATOR						46.99 dBm	1.5	30 dB		COAXIAL			50 ohm		100 Cel	-55 Cel			N-F; N-M, I/P POWER-MAX(PEAK)=500W		0 MHz	18000 MHz
BW-N3W5	Mini-circuits	FIXED ATTENUATOR						36.99 dBm	1.3	3 dB		COAXIAL			50 ohm		100 Cel	-55 Cel	Tin/Lead (Sn/Pb)		N	e0	0 MHz	18000 MHz
BW-N3W5+	Mini-circuits	FIXED ATTENUATOR						36.99 dBm	1.3	3 dB		COAXIAL			50 ohm		100 Cel	-55 Cel			N-F; N-M, I/P POWER-MAX(PEAK)=125W		0 MHz	18000 MHz
D30NA20Z4	Ttm Technologies	FIXED ATTENUATOR	SURFACE MOUNT	4					1.22	20 dB		COMPONENT			50 ohm		200 Cel	-55 Cel					0 MHz	4000 MHz
HMC470ALP3E	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
HMC629ALP4ETR	Analog Devices	VARIABLE ATTENUATOR						27.99 dBm		45 dB		COMPONENT			50 ohm		85 Cel	-40 Cel	MATTE TIN		CMOS COMPATIBLE	e3	0 MHz	10000 MHz
HMC653LP2ETR	Analog Devices	FIXED ATTENUATOR	SURFACE MOUNT	6	PLASTIC/EPOXY									SOLCC6,.08,25		RF/Microwave Attenuators	85 Cel	-40 Cel
HMC939A	Analog Devices	VARIABLE ATTENUATOR	SURFACE MOUNT			GAAS		27 dBm		31 dB	7 mA	COMPONENT	+-5	DIE OR CHIP	50 ohm		85 Cel	-40 Cel		7.8 dB	CMOS COMPATIBLE		100 MHz	40000 MHz
HMC939ATCPZ-EP-PT	Analog Devices	VARIABLE ATTENUATOR	SURFACE MOUNT	24	PLASTIC/EPOXY			27 dBm		31 dB	6.5 mA	COMPONENT	+-5	LCC24,.16SQ,20	50 ohm		125 Cel	-55 Cel		8 dB			100 MHz	33000 MHz
HMC939ATCPZ-EP-R7	Analog Devices	VARIABLE ATTENUATOR	SURFACE MOUNT	24	PLASTIC/EPOXY			27 dBm		31 dB	6.5 mA	COMPONENT	+-5	LCC24,.16SQ,20	50 ohm		125 Cel	-55 Cel		8 dB			100 MHz	33000 MHz
HV-AT(20)-PJ	Hirose Electric	FIXED ATTENUATOR						30 dBm	1.6	20 dB		COAXIAL			50 ohm		65 Cel	-10 Cel	GOLD			e4	0 MHz	65 MHz
LCAT1001-05	Infinite Electronics International	FIXED ATTENUATOR
LCAT1004-06	Infinite Electronics International	FIXED ATTENUATOR
M1-2	Cobham Plc	FIXED ATTENUATOR						40 dBm	1.25	2 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	GOLD		N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	12400 MHz
MAX19790ETX+	Analog Devices	VARIABLE ATTENUATOR	SURFACE MOUNT	36	PLASTIC/EPOXY	BICMOS		20 dBm		22 dB	9.5 mA	COMPONENT	5	LCC36,.25SQ,20	50 ohm	RF/Microwave Attenuators	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	7 dB		e3	250 MHz	4000 MHz
PAT0510S-C-6DB-T10	Susumu	FIXED ATTENUATOR						15.05 dBm	1.3	6 dB		COMPONENT			50 ohm		125 Cel	-55 Cel	Matte Tin (Sn)			e3	0 MHz	10000 MHz
PAT0510SC6DBT10	Integrated Device Technology	FIXED ATTENUATOR						15.05 dBm	1.3	6 dB		COMPONENT			50 ohm		125 Cel	-55 Cel	Tin/Lead (Sn/Pb)			e0	0 MHz	10000 MHz
PAT0510S-C-6DB-T(10)	Yokohama Denshi Seiko	FIXED ATTENUATOR						15.05 dBm	1.3	6 dB		COMPONENT			50 ohm		125 Cel	-55 Cel					0 MHz	10000 MHz
PAT1220-C-4DB-T5	Susumu	FIXED ATTENUATOR						20 dBm	1.3	4 dB		COMPONENT			50 ohm		125 Cel	-55 Cel	Matte Tin (Sn)			e3	0 MHz	10000 MHz
PAT1220-C-6DB-T5	Susumu	FIXED ATTENUATOR						20 dBm	1.3	6 dB		COMPONENT			50 ohm		125 Cel	-55 Cel	Matte Tin (Sn)			e3	0 MHz	10000 MHz
PE4314B-Z	Psemi	VARIABLE ATTENUATOR						23.98 dBm		31.5 dB		COMPONENT			75 ohm		105 Cel	-40 Cel	NICKEL PALLADIUM GOLD	1.9 dB	I/P POWER-MAX(PULSE)=0.5W	e4	1 MHz	2500 MHz
R411810121	Radiall S A	FIXED ATTENUATOR						33.01 dBm	1.35	10 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	Gold (Au) - with Nickel (Ni) barrier		SMA	e4	0 MHz	18000 MHz
RFSA2013TR7AE	Qorvo		SURFACE MOUNT	16	PLASTIC/EPOXY	CMOS							5	LCC16,.12SQ,20		RF/Microwave Attenuators	85 Cel	-40 Cel	Tin/Silver (Sn/Ag)			e2
RFSA2113TR13	Qorvo	VARIABLE ATTENUATOR	SURFACE MOUNT	16	PLASTIC/EPOXY			23 dBm		30 dB	3.5 mA	COMPONENT	5	LCC16,.12SQ,20	50 ohm	RF/Microwave Attenuators	85 Cel	-40 Cel		4.5 dB			50 MHz	18000 MHz
SF0929-6200-22	Sv Microwave	FIXED ATTENUATOR						33.01 dBm	1.35	22 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
TS0505W3	Smiths Group Plc	FIXED ATTENUATOR	SURFACE MOUNT	3				30 dBm	1.5	5 dB		COMPONENT		DIE OR CHIP	50 ohm		150 Cel	-55 Cel	TIN LEAD		I/P POWER-MAX (PEAK)=1W	e0	0 MHz	12400 MHz
TS0505W3S	Smiths Group Plc	FIXED ATTENUATOR	SURFACE MOUNT	3				30 dBm	1.5	5 dB		COMPONENT		DIE OR CHIP	50 ohm		150 Cel	-55 Cel	Tin/Lead (Sn/Pb)		I/P POWER-MAX (PEAK)=1W	e0	0 MHz	12400 MHz
WTVA0500N07SMTF	Smiths Group Plc	FIXED ATTENUATOR						23.01 dBm	1.7	5 dB		COMPONENT			50 ohm		150 Cel	-55 Cel	SILVER OVER NICKEL			e4	0 MHz	20000 MHz
XRA10AA1SES	Ttm Technologies	FIXED ATTENUATOR
1-30	Cobham Plc	FIXED ATTENUATOR						36.99 dBm	1.25	30 dB		COAXIAL			50 ohm		125 Cel	-55 Cel	GOLD		N-F; N-M, I/P POWER-MAX(PEAK)=1000W	e4	0 MHz	12400 MHz
34-3-23	Cobham Plc	FIXED ATTENUATOR
4108-6DB	Pomona Electronics	FIXED ATTENUATOR						33.01 dBm	1.65	6 dB		COAXIAL			50 ohm		102 Cel	-55 Cel			BNC-F; BNC-M		1000 MHz	8000 MHz
59-3-41	Cobham Plc	FIXED ATTENUATOR	PANEL MOUNT				MIL-C-39012; MIL-DTL-3933	50 dBm	1.15	3 dB		COAXIAL			50 ohm		100 Cel	-55 Cel	Gold (Au)		SMK-F; N-M, I/P POWER-MAX(PEAK)=10000W; MIL-STD-348	e4	0 MHz	2500 MHz
59-3-42	Cobham Plc	FIXED ATTENUATOR	PANEL MOUNT				MIL-C-39012; MIL-DTL-3933	50 dBm	1.15	3 dB		COAXIAL			50 ohm		100 Cel	-55 Cel	Gold (Au)		SMK-M; N-M, I/P POWER-MAX(PEAK)=10000W; MIL-STD-348	e4	0 MHz	2500 MHz
59-30-42	Cobham Plc	FIXED ATTENUATOR	PANEL MOUNT				MIL-C-39012; MIL-DTL-3933	50 dBm	1.15	30 dB		COAXIAL			50 ohm		100 Cel	-55 Cel	Gold (Au)		SMK-M; N-M, I/P POWER-MAX(PEAK)=10000W; MIL-STD-348	e4	0 MHz	2500 MHz
6820.01.A	Huber+suhner Ag	FIXED ATTENUATOR						30 dBm	1.2	20 dB		COAXIAL			50 ohm				Gold (Au)		BNC-F; BNC-M, I/P POWER-MAX(PEAK)=500W	e4	0 MHz	4000 MHz
741	Lockheed Martin Microwave	VARIABLE ATTENUATOR						33.01 dBm	1.5			MODULE			50 ohm								0 MHz	18000 MHz
90-30-41	Cobham Plc	FIXED ATTENUATOR						46.99 dBm	1.3	30 dB		COAXIAL			50 ohm		125 Cel	-55 Cel			3.5 MM-F; N-M, I/P POWER-MAX(PEAK)=1000W		0 MHz	18000 MHz
910-20	Aeroflex/weinschel	VARIABLE ATTENUATOR						30 dBm	1.9	20 dB										1 dB			0 MHz	4200 MHz
AT-3+	Mini-circuits	FIXED ATTENUATOR						30 dBm	1.7	3 dB		COMPONENT			50 ohm								0 MHz	1500 MHz
AT-3	Mini-circuits	FIXED ATTENUATOR	THROUGH HOLE MOUNT	8	METAL			30 dBm	1.7	3 dB		COMPONENT		DIP8,.2,200	50 ohm	RF/Microwave Attenuators			Tin/Lead (Sn/Pb)			e0	0 MHz	1500 MHz
BW-30N100W+	Mini-circuits	FIXED ATTENUATOR						50 dBm	1.45	30 dB		COAXIAL			50 ohm		100 Cel	-55 Cel			N-F; N-M, I/P POWER-MAX(PEAK)=1000W		0 MHz	6000 MHz
F2258NLGK8	Renesas Electronics	VARIABLE ATTENUATOR																	Tin (Sn)			e3
MA4P7455-1225T	TE Connectivity		SURFACE MOUNT	5	PLASTIC/EPOXY									TSOP5/6,.11,37		RF/Microwave Attenuators	125 Cel	-65 Cel
R410103121	Radiall S A	FIXED ATTENUATOR						33.01 dBm	1.3	3 dB		COAXIAL					125 Cel	-55 Cel			SMC		0 MHz	8000 MHz
TS0300W3F	Smiths Group Plc	FIXED ATTENUATOR						33.01 dBm	1.5	0 dB		COMPONENT			50 ohm		150 Cel	-55 Cel	SILVER		HIGH RELIABILITY	e4	0 MHz	12400 MHz
YAT-10+	Mini-circuits	FIXED ATTENUATOR						33.01 dBm	1.9	10.87 dB		COMPONENT			50 ohm		85 Cel	-40 Cel	MATTE TIN			e3	0 MHz	18000 MHz
SF0929-6200-10	Sv Microwave	FIXED ATTENUATOR						33.01 dBm	1.35	10 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

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.