myMectronic
myMectronic

A Premier B2B Part Search

L-COM LCAT100503 RF Attenuator

The fixed attenuator is designed for high-frequency applications up to 18 GHz, utilizing stainless steel construction with SMA male to SMA female connectors. It offers a nominal attenuation of 3 dB, maximum input power of 2W, and an attenuation accuracy of 0.5 dB. With a VSWR below 1.30:1, it ensures minimal signal reflection. Its compact size, lightweight design, and temperature resilience from -55°C to +125°C make it suitable for instrumentation, testing, and measurement systems requiring precise signal attenuation and impedance matching.

Authorized Distributors
Source:Newark
Part No:LCAT1005-03
Stock:20
Inv Date:06-06-2026
Price: Unit price: $98.64
Buy/RFQ:
Part No:LCAT1005-03
Stock:0
Inv Date:06-07-2026
Price: Unit price: $85.12
Buy/RFQ:
Part No:LCAT1005-03
Stock:0
Inv Date:06-07-2026
Price: Unit price: $86.27
Buy/RFQ:
Part No:LCAT1005-03
Stock:0
Inv Date:06-07-2026
Price: Unit price: $51.76
Buy/RFQ:
Part No:LCAT1005-03
Stock:0
Inv Date:06-07-2026
Price: Unit price: $84.19
Buy/RFQ:
Part No:LCAT1005-03
Stock:0
Inv Date:06-06-2026
Price: Unit price: $84.19
Buy/RFQ:

L-COM LCAT100503 RF Attenuator Specifications:

  • Frequency Range: DC to 18 GHz
  • Impedance: 50 Ohms
  • Nominal Attenuation: 3 dB
  • Attenuation Accuracy: ±0.5 dB
  • VSWR: <1.30:1
  • Input Power CW: 2 Watts (up to 125°C derating to 0.5W)
  • Input Power Peak: 500 Watts (0.5 KW for 5us pulse, 0.4% duty cycle)
  • Connector Type: SMA Male to SMA Female
  • Body Material: Stainless Steel
  • Size: Length 0.85 in, Diameter 0.312 in
  • Weight: 3.99 g
  • Temperature Range: -55°C to +125°C
  • Certification: RoHS Compliant

Buy the INFINITG Series RF Attenuator: 3 dB SMA Male to SMA Female 18GHz

Purchase the INFINITG RF Attenuator online now to enhance your measurement setups and communication systems. This 3 dB fixed attenuator operates from DC to 18 GHz, offering a maximum input power of 2W and excellent impedance matching for reliable performance. Its stainless steel body ensures durability across a wide temperature range from -55°C to +125°C. Compact and lightweight at just 3.99 grams, it is ideal for instrumentation, prototyping, and RF testing applications. Shop now for fast, same-day shipping and reliable connectivity solutions.

Get INFINITG fixed attenuator today—designed for high-frequency precision and long-lasting durability.

Frequently Asked Questions

Where can I buy L-COM LCAT100503?

You can click on the BUY or RFQ button to purchase LCAT100503 from an authorized L-COM distributor.

How do I troubleshoot issues or seek technical support for part LCAT100503?

You can download the LCAT100503 datasheet or visit the L-COM website for support.

Who is the manufacturer of LCAT100503?

L-COM

L-COM Part List

Browse and search other L-COM parts, locate datasheets and stock

Sponsored by