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25-18A Series, 25 Watt - 18 GHz, Bi-Directional RF Attenuators
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Personal Greeting

25-18A Series, 25 Watt RF Power Attenuators are a valuable and reliable accessory for reducing power levels, for isolating components under test, for harmonic signal analysis, and as comparison standards. They are world renowned for their high-quailty, robust construction and conservative power ratings.

  • Self cooling design, needs no cooling plate.
  • Frequencies up to 18 GHz.
  • Fully shielded against production of extraneous radiation.
  • Attenuator require no AC power.
  • Rugged construction.
  • Broadband operation.
  • Other attenuation values may be available upon request.
  • Models to cover all LTE frequencies.

product specifications:

Item No

25-18A Series

Item Name

25 Watt 18 GHz Bi-Directional RF Attenuators

Power Rating

Power Rating: 25 Watts CW @ 25 C° (Bi-Directional)
- Derated Linearly to 5 Watts @ 125 C°

Peak Power: 500 Watts

Connector

N, SMA

VSWR and Frequency Range

DC to 6 GHz: 1.20:1 (max)
6 to 12.4 GHz: 1.30:1 (max)
12.4 to 18 GHz: 1.40:1 (max)

Coolant Method

Dry, Convection Cooled

Impedance Ω

50 Ohms (nominal)

Operating Position

Any

Temperature

-65 to 125 °C (-85 to 257 °F)

PIM

AC Power

Humidity

Standard Attenuation Values

3, 6, 10, 20, 30, 40 dB

Dimensions-- L x W x H

4.20 Long x 2.30 SQ.

Weight

13.3 oz, approx.

Finish

Black Anodized Aluminum


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-
-
-

Power Ratings

 

Product Type

 

Connector Gender

 

Connectors**

 

Attentuation Value

25 Watt

 

18A

 

Male/Female
Female/Female

Male/Female

 

N - N-Type


A - SMA

 

03 - 3 dB
06 - 6 dB
10 - 10 dB
20 - 20 dB
30 - 30 dB
40 - 40 dB

 

Example: 25-18A-MFN-03 (25 Watt, 18 GHz, Male/Female N Connector, 03 dB)
**Call or Request Information below for custom connector options not shown

For more information, click here.

DOWNLOADS

Datasheet

Declaration of Conformity