Mini-Circuits BW-20N100W+ 20dB 100W Coaxial Attenuator (DC-6GHz)
Model: BW-20N100W+ (N-Male to N-Female Coaxial Fixed Attenuator)
Manufacturer: Mini-Circuits
Type: 50Ω Fixed Attenuator
Key Features:
Power Handling: 100W (CW)
Attenuation: 20dB (Nominal, Range: 18.5–21.5dB)
Frequency Range: DC to 6GHz
VSWR: 1.25:1 (Typical)
Operating Temperature: -55°C to +100°C
Dimensions: 3.46" × 3.46" × 6.36" (87.88mm × 87.88mm × 161.54mm)
Electrical Specifications (@ +25°C)
| Parameter | Conditions | Min | Typ | Max | Unit |
| Frequency Range | DC to 6GHz | – | – | 6 | GHz |
| Attenuation | DC to 6GHz | 18.5 | 20 | 21.5 | dB |
| VSWR | DC to 2.5GHz | 1.02 | 1.15 | 1.35 | :1 |
| 2.5GHz to 6GHz | – | 1.3 | 1.45 | :1 | |
| Input Power (Male) | DC to 6GHz | – | 100W | – | W |
| Input Power (Female) | DC to 6GHz | – | 20W | – | W |
Mechanical Characteristics
Connectors: N-Male (Input) to N-Female (Output)
Dimensions (in/mm):
Length: 6.36" (161.54mm)
Width/Height: 3.46" (87.88mm)
Weight: 1100g
Key Applications
Impedance Matching: Ensures 50Ω consistency in RF systems.
Test Equipment: High-power measurements (e.g., amplifier testing).
Instrument Protection: Prevents overload in sensitive devices.
Related models and parameters
| Mobel Number | Interface | Impedance | F Low (MHz) | F High (MHz) | Attenuation (dB), Typ. | Flatness (dB), Typ. | VSWR (:1), Typ. | Input Power (W), Max | Connector Type |
| BW-20N100W+ | Connector | 50 | DC | 6000 | 20 | 1.5 | 1.45 | 100 | N |
| BW-30N100W+ | Connector | 50 | DC | 6000 | 30 | 1.5 | 1.45 | 100 | N |
| BW-40N100W+ | Connector | 50 | DC | 4000 | 40 | 1.4 | 1.4 | 100 | N |
| BW-E1-1W653+ | Connector | 50 | DC | 65000 | 1 | 0.65 | 1.65 | 1 | 1.85 mm |
| BW-E2-1W653+ | Connector | 50 | DC | 65000 | 2 | 1.5 | 1.13 | 1 | 1.85 mm |
| BW-E3-1W653+ | Connector | 50 | DC | 65000 | 3 | 1.5 | 1.65 | 1 | 1.85 mm |
| BW-E6-1W653+ | Connector | 50 | DC | 65000 | 6 | 1.5 | 1.65 | 1 | 1.85 mm |
| BW-E10-1W653+ | Connector | 50 | DC | 65000 | 10 | 1.5 | 1.65 | 1 | 1.85 mm |
| BW-E20-1W653+ | Connector | 50 | DC | 65000 | 20 | 1.5 | 1.65 | 1 | 1.85 mm |
| BW-E30-1W653+ | Connector | 50 | DC | 65000 | 30 | 1.5 | 1.65 | 1 | 1.85 mm |
| BW-K1-2W44+ | Connector | 50 | DC | 40000 | 1 | 0.8 | 1.5 | 2 | 2.92 mm |
| BW-K2-2W44+ | Connector | 50 | DC | 40000 | 2 | 0.8 | 1.5 | 2 | 2.92 mm |
| BW-K3-2W44+ | Connector | 50 | DC | 40000 | 3 | 0.8 | 1.5 | 2 | 2.92 mm |
| BW-K4-2W44+ | Connector | 50 | DC | 40000 | 4 | 0.8 | 1.5 | 2 | 2.92 mm |
| BW-K5-2W44+ | Connector | 50 | DC | 40000 | 5 | 0.8 | 1.5 | 2 | 2.92 mm |
| BW-K6-2W44+ | Connector | 50 | DC | 40000 | 6 | 0.8 | 1.5 | 2 | 2.92 mm |
| BW-K10-2W44+ | Connector | 50 | DC | 40000 | 10 | 1 | 1.5 | 2 | 2.92 mm |
| BW-K20-2W44+ | Connector | 50 | DC | 40000 | 20 | 1 | 1.5 | 2 | 2.92 mm |
| BW-KM3-2W44+ | Connector | 50 | DC | 40000 | 3 | 0.4 | 1.2 | 2 | 2.92 mm |
| BW-KM6-2W44+ | Connector | 50 | DC | 40000 | 6 | 0.5 | 1.1 | 2 | 2.92 mm |
| BW-KM10-2W44+ | Connector | 50 | DC | 40000 | 10 | 0.4 | 1.1 | 2 | 2.92 mm |
| BW-KM20-2W44+ | Connector | 50 | DC | 40000 | 20 | 0.1 | 1.1 | 2 | 2.92 mm |
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