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RF/Microwave Attenuators

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.

RF/Microwave Attenuators

Available Parts 118

Part# Info Specs
Part RoHS Manufacturer Description Additional Features Nominal Attenuation Characteristic Impedance Construction Maximum Input Power (CW) Maximum Insertion Loss JESD-609 Code Mounting Feature No. of Terminals Maximum Operating Frequency Minimum Operating Frequency Maximum Operating Temperature Minimum Operating Temperature Package Body Material Package Equivalence Code Power Supplies (V) RF or Microwave Device Type Screening Level Sub-Category Maximum Supply Current Technology Terminal Finish Maximum Voltage Standing Wave Ratio
ADRF5721BCCZN by Analog Devices

ADRF5721BCCZN

Analog Devices

Analog Devices' ADRF5721BCCZN is a RF attenuator with 30 dB nominal attenuation and 27 dBm CW input power. It operates from 0.009 MHz to 40 GHz, ideal for variable attenuation in RF/microwave applications. With a compact 16-terminal surface mount package, it offers precise control over signal levels in high-frequency circuits.

30 dB

50 ohm

COMPONENT

27 dBm

SURFACE MOUNT

16

40000 MHz

.009 MHz

105 Cel

-40 Cel

PLASTIC/EPOXY

LCC16,.1SQ,16

+-3.3

VARIABLE ATTENUATOR

ADRF5731BCCZN-R7 by Analog Devices

ADRF5731BCCZN-R7

Analog Devices

Analog Devices' ADRF5731BCCZN-R7 is a RF/Microwave Attenuator with 30 dB Nominal Attenuation, 3.5 dB Max Insertion Loss, and 26.99 dBm Max Input Power (CW). It operates b/w -40 to 105°C, has a frequency range of 100 MHz to 40 GHz, and requires +-3.3V power supply. Ideal for variable attenuation in RF/microwave applications.

CMOS COMPATIBLE, I/P POWER-MAX(PEAK)=1.26W

30 dB

50 ohm

COMPONENT

26.99 dBm

3.5 dB

SURFACE MOUNT

16

40000 MHz

100 MHz

105 Cel

-40 Cel

PLASTIC/EPOXY

LCC16,.1SQ,16

+-3.3

VARIABLE ATTENUATOR

ADRF5731BCCZN by Analog Devices

ADRF5731BCCZN

Analog Devices

Analog Devices' ADRF5731BCCZN is a RF attenuator with 30 dB attenuation, 3.5 dB insertion loss, and 26.99 dBm CW input power. Ideal for RF applications from 100 MHz to 40 GHz, it features a 50 ohm impedance and operates b/w -40°C to +105°C.

CMOS COMPATIBLE, I/P POWER-MAX(PEAK)=1.26W

30 dB

50 ohm

COMPONENT

26.99 dBm

3.5 dB

SURFACE MOUNT

16

40000 MHz

100 MHz

105 Cel

-40 Cel

PLASTIC/EPOXY

LCC16,.1SQ,16

+-3.3

VARIABLE ATTENUATOR

290-20-42 by Api Technologies

290-20-42

Api Technologies

Api Technologies' 290-20-42 is a RF/Microwave Attenuator with 20 dB Nominal Attenuation, 53.98 dBm Max Input Power (CW), and 1.6 Max VSWR. Ideal for PANEL MOUNT applications in the frequency range of 0-18000 MHz.

3.5 MM-M; N-M, I/P POWER-MAX(PEAK)=1000W

20 dB

50 ohm

COAXIAL

53.98 dBm

e4

PANEL MOUNT

18000 MHz

0 MHz

FIXED ATTENUATOR

Gold (Au)

1.6

290-20-43 by Api Technologies

290-20-43

Api Technologies

The Api Technologies 290-20-43 is a fixed attenuator with 20 dB nominal attenuation, handling up to 53.98 dBm CW power and supporting frequencies from 0 to 18 GHz. Ideal for RF/microwave applications, it features a max VSWR of 1.6 and gold terminal finish for reliable performance in panel-mounted setups.

N-F; N-M, I/P POWER-MAX(PEAK)=1000W

20 dB

50 ohm

COAXIAL

53.98 dBm

e4

PANEL MOUNT

18000 MHz

0 MHz

FIXED ATTENUATOR

Gold (Au)

1.6

HMC624ACPSZ-EP-PT by Analog Devices

HMC624ACPSZ-EP-PT

Analog Devices

Analog Devices' HMC624ACPSZ-EP-PT is a RF/Microwave Attenuator with 31.5 dB Nominal Attenuation, 25 dBm Max Input Power, and 3.8 dB Max Insertion Loss. It operates from 100 MHz to 6000 MHz, making it ideal for variable attenuation in RF/microwave systems requiring precise power control.

31.5 dB

COMPONENT

25 dBm

3.8 dB

SURFACE MOUNT

24

6000 MHz

100 MHz

105 Cel

-55 Cel

PLASTIC/EPOXY

LCC24,.16SQ,20

3/5

VARIABLE ATTENUATOR

GAAS

HMC624ACPSZ-EP-RL7 by Analog Devices

HMC624ACPSZ-EP-RL7

Analog Devices

Analog Devices' HMC624ACPSZ-EP-RL7 is a RF/Microwave Attenuator with 31.5 dB Nominal Attenuation, 3.8 dB Max Insertion Loss, and 25 dBm Max Input Power (CW). It operates from -55 °C to 105°C, suitable for applications requiring variable attenuation in the frequency range of 100 MHz to 6 GHz.

31.5 dB

COMPONENT

25 dBm

3.8 dB

SURFACE MOUNT

24

6000 MHz

100 MHz

105 Cel

-55 Cel

PLASTIC/EPOXY

LCC24,.16SQ,20

3/5

VARIABLE ATTENUATOR

GAAS

HMC425ALP3ETR by Analog Devices

HMC425ALP3ETR

Analog Devices

Analog Devices' HMC425ALP3ETR is a RF attenuator with 31.5 dB attenuation, 27 dBm CW input power, and 4.7 dB insertion loss. Ideal for variable attenuation in RF/microwave applications from 2200 MHz to 8000 MHz, it features GAAS technology and operates b/w -40 °C to 85°C.

31.5 dB

50 ohm

COMPONENT

27 dBm

4.7 dB

e3

SURFACE MOUNT

16

8000 MHz

2200 MHz

85 Cel

-40 Cel

PLASTIC/EPOXY

LCC16,.12SQ,20

5

VARIABLE ATTENUATOR

GAAS

Matte Tin (Sn) - annealed

HMC346ALC3BTR by Analog Devices

HMC346ALC3BTR

Analog Devices

Analog Devices' HMC346ALC3BTR is a RF/Microwave Attenuator with 24 dB Nominal Attenuation, 18 dBm Max Input Power, and 4 dB Max Insertion Loss. This variable attenuator operates from -40°C to 85°C, ideal for applications requiring precise signal control in the frequency range of 0-18000 MHz.

24 dB

50 ohm

COMPONENT

18 dBm

4 dB

e4

SURFACE MOUNT

12

18000 MHz

0 MHz

85 Cel

-40 Cel

CERAMIC

LCC12,.12SQ,20

VARIABLE ATTENUATOR

GAAS

GOLD OVER NICKEL

HMC424A-SX by Analog Devices

HMC424A-SX

Analog Devices

Analog Devices' HMC424A-SX is a RF/Microwave Attenuator with 31.5 dB attenuation, 1.67 VSWR, and 25 dBm CW input power. Ideal for variable attenuation in RF/microwave circuits from 100 MHz to 13 GHz. Suitable for surface mount applications with -40 °C to 85°C operating temperature range.

31.5 dB

50 ohm

COMPONENT

25 dBm

4.6 dB

SURFACE MOUNT

9

13000 MHz

100 MHz

85 Cel

-40 Cel

DIE OR CHIP

-5

VARIABLE ATTENUATOR

5 mA

GAAS

1.67

87-05 by Api Technologies

87-05

Api Technologies

Api Technologies' 87-05 is a RF/Microwave Attenuator with 5 dB Nominal Attenuation, 1.25 Max VSWR, and 33.01 dBm Max Input Power. Ideal for fixed attenuation in applications requiring MIL-A-3933 screening, it operates from -55°C to 100°C across frequencies up to 32 GHz.

2.92 MM-F; 2.92 MM-M, I/P POWER-MAX(PEAK)=500W

5 dB

50 ohm

COAXIAL

33.01 dBm

PANEL MOUNT

32000 MHz

0 MHz

100 Cel

-55 Cel

FIXED ATTENUATOR

MIL-A-3933

1.25

87-04 by Api Technologies

87-04

Api Technologies

87-04 by Api Technologies is a RF/Microwave Attenuator with max input power of 33.01 dBm, VSWR of 1.25, and nominal attenuation of 4 dB. Ideal for fixed attenuator applications in military (MIL-A-3933) and commercial sectors due to its wide operating frequency range from 0 MHz to 32 GHz.

2.92 MM-F; 2.92 MM-M, I/P POWER-MAX(PEAK)=500W

4 dB

50 ohm

COAXIAL

33.01 dBm

PANEL MOUNT

32000 MHz

0 MHz

100 Cel

-55 Cel

FIXED ATTENUATOR

MIL-A-3933

1.25

HMC346ALP3ETR by Analog Devices

HMC346ALP3ETR

Analog Devices

Analog Devices' HMC346ALP3ETR is a RF attenuator with 30 dB attenuation, 18 dBm CW input power, and 1.92 VSWR. Ideal for variable attenuation in RF/microwave applications up to 14 GHz, it features GaAs technology, surface mounting, and operates b/w -40 °C to 85°C.

30 dB

50 ohm

COMPONENT

18 dBm

3.2 dB

e3

SURFACE MOUNT

16

14000 MHz

0 MHz

85 Cel

-40 Cel

PLASTIC/EPOXY

LCC16,.12SQ,20

VARIABLE ATTENUATOR

GAAS

Matte Tin (Sn) - annealed

1.92

SF0915-6200-00 by Sv Microwave

SF0915-6200-00

Sv Microwave

SF0915-6200-00 by Sv Microwave is a 50 ohm fixed attenuator with 0.5 dB nominal attenuation. It can handle up to 26.99 dBm CW power and has a VSWR of 1.4, suitable for RF/Microwave applications up to 40 GHz.

I/P POWER-MAX(PEAK)=100W

.5 dB

50 ohm

COAXIAL

26.99 dBm

PANEL MOUNT

40000 MHz

0 MHz

125 Cel

-55 Cel

FIXED ATTENUATOR

1.4

SF0915-6200-12 by Sv Microwave

SF0915-6200-12

Sv Microwave

SF0915-6200-12 by Sv Microwave is a 50 ohm fixed attenuator with 12 dB nominal attenuation, 1.4 max VSWR, and 26.99 dBm CW power handling. Ideal for RF applications up to 40 GHz, it features COAX construction and panel mount installation for reliable performance in temperatures ranging from -55°C to 125°C.

I/P POWER-MAX(PEAK)=100W

12 dB

50 ohm

COAXIAL

26.99 dBm

PANEL MOUNT

40000 MHz

0 MHz

125 Cel

-55 Cel

FIXED ATTENUATOR

1.4

SF0915-6200-15 by Sv Microwave

SF0915-6200-15

Sv Microwave

SF0915-6200-15 by Sv Microwave is a 15 dB fixed attenuator with max input power of 26.99 dBm and VSWR of 1.4. Ideal for RF applications, it operates from -55 to 125 °C, covering frequencies from 0 to 40 GHz.

I/P POWER-MAX(PEAK)=100W

15 dB

50 ohm

COAXIAL

26.99 dBm

PANEL MOUNT

40000 MHz

0 MHz

125 Cel

-55 Cel

FIXED ATTENUATOR

1.4

SF0915-6200-20 by Sv Microwave

SF0915-6200-20

Sv Microwave

SF0915-6200-20 by Sv Microwave is a 50 ohm fixed attenuator with 20 dB nominal attenuation, handling up to 26.99 dBm CW power. With a VSWR of 1.4, it operates from -55°C to 125°C and covers frequencies from 0 MHz to 40 GHz, making it ideal for RF/microwave applications requiring precise signal control.

I/P POWER-MAX(PEAK)=100W

20 dB

50 ohm

COAXIAL

26.99 dBm

PANEL MOUNT

40000 MHz

0 MHz

125 Cel

-55 Cel

FIXED ATTENUATOR

1.4

SF0915-6200-09 by Sv Microwave

SF0915-6200-09

Sv Microwave

SF0915-6200-09 by Sv Microwave is a 50 ohm fixed attenuator with 9 dB nominal attenuation, handling up to 26.99 dBm CW power. With a VSWR of 1.4, it operates from -55°C to 125°C and covers frequencies from DC to 40 GHz, making it ideal for RF/microwave applications requiring precise signal control.

I/P POWER-MAX(PEAK)=100W

9 dB

50 ohm

COAXIAL

26.99 dBm

PANEL MOUNT

40000 MHz

0 MHz

125 Cel

-55 Cel

FIXED ATTENUATOR

1.4

SF0915-6200-10 by Sv Microwave

SF0915-6200-10

Sv Microwave

SF0915-6200-10 by Sv Microwave is a 10 dB fixed attenuator with max input power of 26.99 dBm and VSWR of 1.4. Ideal for RF applications, it operates from -55 to 125 °C, covering frequencies from 0 to 40 GHz.

I/P POWER-MAX(PEAK)=100W

10 dB

50 ohm

COAXIAL

26.99 dBm

PANEL MOUNT

40000 MHz

0 MHz

125 Cel

-55 Cel

FIXED ATTENUATOR

1.4

SF0915-6200-05 by Sv Microwave

SF0915-6200-05

Sv Microwave

SF0915-6200-05 by Sv Microwave is a 50 ohm fixed attenuator with 5 dB nominal attenuation, handling up to 26.99 dBm CW power. With a VSWR of 1.4, it operates from -55°C to 125°C and covers frequencies from 0 MHz to 40 GHz, making it ideal for RF/microwave applications requiring precise signal control.

I/P POWER-MAX(PEAK)=100W

5 dB

50 ohm

COAXIAL

26.99 dBm

PANEL MOUNT

40000 MHz

0 MHz

125 Cel

-55 Cel

FIXED ATTENUATOR

1.4

SF0915-6200-07 by Sv Microwave

SF0915-6200-07

Sv Microwave

SF0915-6200-07 by Sv Microwave is a 7 dB fixed attenuator with max input power of 26.99 dBm and VSWR of 1.4. Ideal for RF applications, it operates from -55 to 125 °C, covering frequencies from 0 to 40 GHz.

I/P POWER-MAX(PEAK)=100W

7 dB

50 ohm

COAXIAL

26.99 dBm

PANEL MOUNT

40000 MHz

0 MHz

125 Cel

-55 Cel

FIXED ATTENUATOR

1.4

PAT3060H-C-6DB-T1 by Susumu

PAT3060H-C-6DB-T1

Susumu

Susumu's PAT3060H-C-6DB-T1 is a 6 dB fixed attenuator with max input power of 36.99 dBm and VSWR of 1.2. Ideal for RF/Microwave applications, it operates from -55°C to 125°C, covering frequencies from 0 MHz to 6000 MHz in a surface mount construction.

6 dB

50 ohm

COMPONENT

36.99 dBm

SURFACE MOUNT

3

6000 MHz

0 MHz

125 Cel

-55 Cel

FIXED ATTENUATOR

1.2