3.5mm Series
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High Quality RF Connectors
Winchester’s 3.5mm connectors are RoHS and REACH compliant, and built to precise RF and microwave industry specifications.
Reliable Performance In Harsh Environments
Made for harsh environments, the 3.5mm connector is rated to the MIL-STD-202 testing for corrosion and vibration.
Customized for Unique Requirements
The 3.5mm connector comes in a variety of standard configurations, including Jack or Plug (male or female), 2 hole flange, 4 hole flange, bulkhead, and boardmount. Custom configurations also available


Key Features
- Air-interface connectors
- Low VSWR and Insertion loss
- Mechanically compatible with 2.9mm and SMA connectors
Technical Specifications
- Impedance: 50 Ohms
- Frequency: DC – 34.5 GHz
- VSWR: 1.25:1 Max
- Insertion Loss: .03*√f(GHz) dB – STR, .05*√f(GHz) dB – R/A
- RF Leakage: >100 dB
- Temperature Range: -55˚ to +135˚ Celsius