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| Image | Part Number | Manufacturer | Description | Series | Packaging | Mounting Type | RoHS Status | Manufacturer Part Number | Package / Case | Polarization | P1dB | Frequency Range |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATT-290F-02-SMA-02 | Bel | RF ATTENUATOR 2DB SMA MODULE | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 18GHz | |
| ATT-0291-03-SMA-02 | Bel | RF ATTENUATOR 3DB SMA MODULE | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 12.4GHz | |
| AT-115-WP1(40) | 4D Systems | RF ATTENUATOR 15DB 50OHM SMA | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 18GHz | |
| AT0603T05ECATB | American Technical Ceramics | RF ATTENUATOR 5DB 50OHM 0603 | AT | Original-Reel® | - | - | - | - | - | - | 0Hz ~ 20GHz | |
| E-TA2012 T 5DB N1 | Copal Electronics | RF ATTENUATOR 5DB 50OHM 0805 | - | Cut Tape (CT) | - | - | - | 0805 (2012 Metric) | - | - | 0Hz ~ 3GHz | |
| AT-204(40) | 4D Systems | RF ATTENUATOR 4DB 50OHM SMA | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 18GHz | |
| 4772-3 | L3 Narda-MITEQ | RF ATTENUATOR 3DB SMA MODULE | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 6GHz | |
| AT0603T01ECAS3 | American Technical Ceramics | RF ATTENUATOR 1DB 50OHM | AT | Strip | - | - | - | - | - | - | 0Hz ~ 20GHz | |
| HMC629LP4ETR | ADI (Analog Devices, Inc.) | RF ATTENUATOR 3DB-45DB 24VFQFN | - | Cut Tape (CT) | - | - | - | 24-VFQFN Exposed Pad | - | - | 0Hz ~ 6GHz | |
| HMC290E | ADI (Analog Devices, Inc.) | RF ATTENUATOR 2DB-6DB SOT23-6 | - | Strip | - | - | - | SOT-23-6 | - | - | 700MHz ~ 4GHz |
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.