The Weinschel M1426 is a 50 ohm coaxial termination and fixed attenuator engineered for precise signal attenuation and impedance matching across DC to 8.5 GHz. Built with a black aluminum alloy body and passivated stainless steel connectors featuring gold-plated beryllium copper contacts, this termination delivers consistent performance in demanding RF and microwave test environments.
Technical Specifications
Frequency Range: DC to 8.5 GHz
Nominal Impedance: 50 ohms
Power Handling:
• Average Power: 50 W maximum at 25°C ambient, de-rated linearly to 2.5 W at 125°C
• Peak Power: 5 kW (5 µsec pulse width, 0.5% duty cycle)
VSWR Performance:
• DC to 4.0 GHz: 1.2:1
• 4.0 to 8.5 GHz: 1.3:1
Temperature Range: −55°C to +125°C
Connectors: Type N, TNC, SMA, and 7/16 DIN (male or female) per MIL-STD-348A. All stainless steel connectors interface non-destructively with MIL-PRF-39012.
– Key Features
• Broad frequency coverage from DC through 8.5 GHz
• High average power rating with 5 kW peak pulse handling capability
• Excellent VSWR across the operating band (1.2:1 to 1.3:1)
• Multiple connector options accommodate diverse test configurations
• Operates across −55°C to +125°C without performance degradation
• Orientation-independent mounting capability
• MIL-DTL-3933 environmental compliance and RoHS certified
– Typical Applications
RF and microwave signal attenuation, impedance termination, power load simulation, and precision test environments requiring stable return loss across broadband frequency ranges.
– Compatibility & Integration
Available with SMA, Type N, TNC, or 7/16 DIN connectors in both male and female configurations. VSWR calibration data available upon request for applications requiring documented frequency-specific performance.
















