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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-0275-12-SMA-02 | Bel | RF ATTENUATOR 12DB SMA MODULE | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 18GHz | |
| AMMP-6650-BLKG | Avago Technologies (Broadcom Limited) | RF ATTENUATOR 0.9-35.6DB 8SMD | - | Bag | - | - | - | 8-SMD, No Lead | - | - | 0Hz ~ 30GHz | |
| HMC939-SX | ADI (Analog Devices, Inc.) | RF ATTENUATOR 31DB 50OHM DIE | - | - | - | - | - | Die | - | - | 100MHz ~ 40GHz | |
| 4778-20 | L3 Narda-MITEQ | RF ATTENUATOR 20DB SMA MODULE | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 12.4GHz | |
| M3933/25-30S | Amphenol SV Microwave | RF ATTENUATOR 4DB 50OHM SMA | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 18GHz | |
| ATT-0444-11-SMA-02 | Bel | RF ATTENUATOR 11DB SMA MODULE | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 18GHz | |
| M3933/14-13S | Bel | RF ATTENUATOR 30DB 50OHM SMA | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 12.4GHz | |
| M3933/14-11S | Amphenol SV Microwave | RF ATTENUATOR 8DB 50OHM SMA | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 12.4GHz | |
| CATTEN-01R0 | Crystek Corporation | ATTENUATOR SMA 3GHZ 50 OHM 1DB | - | - | - | - | CATTEN-01R0 | - | SMA In-Line Module | - | 0 ~ 3GHz | |
| ATT-0291-05-SMA-02 | Bel | RF ATTENUATOR 5DB SMA MODULE | - | Bulk | - | - | - | SMA In-Line Module | - | - | 0Hz ~ 12.4GHz |
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.