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| Image | Part Number | Manufacturer | Description | Series | Packaging | Mounting Type | RoHS Status | Manufacturer Part Number | Package / Case | Polarization | P1dB | Frequency Range |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E-TA2012 T 5DB N7 | Copal Electronics | RF ATTENUATOR 5DB 50OHM 0805 | - | Tape & Reel (TR) | - | - | - | 0805 (2012 Metric) | - | - | 0Hz ~ 3GHz | |
| AT-301(40) | 4D Systems | RF ATTENUATOR 1DB 50OHM SMA | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 18GHz | |
| AT0603T09ECAS3 | American Technical Ceramics | RF ATTENUATOR 9DB 50OHM | AT | Strip | - | - | - | - | - | - | 0Hz ~ 20GHz | |
| ATT-0313-08-BNC-10 | Bel | RF ATTENUATOR 8DB 50OHM BNC | - | Bulk | - | - | - | BNC In-Line Module | - | - | 0Hz ~ 4GHz | |
| M3933/16-06S | Amphenol SV Microwave | RF ATTENUATOR 2DB 50OHM SMA | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 18GHz | |
| M3933/30-27N | Amphenol SV Microwave | RF ATTENUATOR 14DB 50OHM SMA | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 32GHz | |
| AT0603C09ECATB | American Technical Ceramics | RF ATTENUATOR 9DB 50OHM 0603 | AT | Tape & Reel (TR) | - | - | - | - | - | - | 0Hz ~ 20GHz | |
| A40B50X1A | Anaren | RF ATTENUATOR 50OHM | - | Bag | - | - | - | Nonstandard SMD | - | - | 0Hz ~ 3GHz | |
| ATT-290M-05-SMA-02 | Bel | RF ATTENUATOR 5DB SMA MODULE | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 18GHz | |
| PE43204MLIBA-Z | Peregrine Semiconductor | RF ATTENUATOR 18DB 50OHM 12VFQFN | UltraCMOS® | Cut Tape (CT) | - | - | - | 12-VFQFN Exposed Pad | - | - | 50MHz ~ 3GHz |
Attenuators are passive RF components used to reduce the amplitude or power level of RF signals while preserving their frequency characteristics. They are inserted into RF transmission lines to control signal strength, match impedance, and prevent overloading of sensitive components. Attenuators come in various types, including fixed, variable, step, and programmable attenuators, each offering different levels of attenuation and impedance matching capabilities. They find applications in RF test equipment, signal conditioning, power control, and RF communication systems where precise signal attenuation is required.