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R411803121 The Radiall R411803121 is an SMA attenuator offering 3 dB nominal attenuation across a frequency range of DC to 18 GHz. It is rated for 2W of average power.
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R411803121

Available from 1 distributors
Mfr Name: Radiall
Radiall
The Radiall R411803121 is an SMA attenuator offering 3 dB nominal attenuation across a frequency range of DC to 18 GHz. It is rated for 2W of average power.
✓ Total Stock: 1 pcs
$ Price Range: $0.99

R411803121 Available from 1 distributor

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R411803121 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Attenuation Value
Body Material
Frequency Range
Impedance
Insulator Material
Operating Temperature
Power (Watts)
Storage Temperature
Weight
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R411803121 Description

Short technical summary and product information.

This SMA attenuator from Radiall, part number R411803121, is designed for RF applications requiring precise signal level reduction. It provides a nominal attenuation of 3 dB and operates over a wide frequency range from DC to 18 GHz.

 

The device is rated for an average power of 2W and a peak power of 100W at 25°C. The impedance is 50 Ohms, and it features SMA connectors. The attenuator is constructed with a stainless steel body and beryllium copper contacts plated with gold over nickel.

 

Environmental specifications include an operating and storage temperature range of -55°C to +125°C. The attenuator is specified as RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

 

Key electrical characteristics include VSWR values ranging from 1.15 up to 1.35 depending on the frequency band, and attenuation deviations from ±0.30 dB to ±0.80 dB across its operating range.

R411803121 Quick Information

Product Type: Attenuator
Series: R411803121
Canonical Name: Radiall R411803121 SMA Attenuator
Subcategory: SMA

R411803121 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

R411803121 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

R411803121 Features

  • 3 dB nominal attenuation value.
  • Operates from DC to 18 GHz.
  • Rated for 2W average power.
  • 50 Ohm impedance.
  • SMA connector type.

R411803121 Applications

  • Used for signal level control.
  • Suitable for RF test equipment.
  • Ideal for signal path management.
  • Applicable in communication systems.

R411803121 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the frequency range of the R411803121 attenuator?

The R411803121 operates from 0 to 18 GHz.

What is the attenuation value of this attenuator?

It provides 3dB attenuation.

What is the power rating of the R411803121?

It has an average power rating of 2W and a peak power of 100W at 25°C.

What connector type does this attenuator use?

It uses SMA connectors.

What materials are used for the contacts?

The contacts are made of Beryllium Copper plated with gold over nickel.

What is the operating temperature range?

-55°C to +125°C.

Is the R411803121 RoHS compliant?

RoHS status is unverified; treat as low-confidence.

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