Our SMA RF Attenuator features stainless steel housing for corrosion resistance and mechanical strength, with gold-plated beryllium copper contacts ensuring reliable electrical connections over thousands of mating cycles.
When you need precise signal control in your RF applications, our SMA RF Attenuator delivers exceptional performance and reliability. This professional-grade attenuator highlights SMA connectors and is particularly planned to decrease RF flag control with exceptional exactness. Whether in communications, radar frameworks, or RF applications, this item offers exact flag constriction, steady execution over a wide recurrence run, and amazing impedance coordinating for basic applications.


Our RF attenuators stand out in the advertise due to prevalent designing and quality development. You get dependable flag control with negligible addition misfortune and uncommon temperature soundness. The vigorous plan handles requesting situations whereas conveying reliable performance.

Precise Flag Control: Accomplish precise constriction with ±0.5dB exactness over the whole recurrence run, guaranteeing solid estimations and flag processing.
Wide Recurrence Scope: Utilize this attenuator from DC to 18GHz over different applications, with a broadband plan that kills the require for different specialized components.
Excellent Control Taking care of: With 2W control capacity and a warm plan, this attenuator guarantees steady operation in direct to high-power applications, indeed beneath nonstop use.
Temperature Strength: Working from -55°C to 125°C, this attenuator is appropriate for extraordinary situations, counting aviation and defense applications, with a military-grade temperature range.
| Parameter | Specification |
|---|---|
| Product Name | SMAJKS-18-2W-40dB Attenuator |
| Impedance | 50 Ohms nominal |
| Frequency Range | DC to 18 GHz |
| VSWR | 1.25:1 to 18GHz typical |
| Attenuation Value | 40dB |
| Attenuation Accuracy | ±0.5dB |
| Power Rating | 2W |
| Temperature Range | -55°C to 125°C |
| Housing Material | Stainless steel Passivated |
| Center Contacts | Beryllium copper gold |
| Insulators | PEI |
| Mate/Demate Cycles | 500 cycles |
| Engagement Force | ≤0.23N.m |
| Connection Torque | 0.79N·m-1.13N·m |
Our SMA RF Attenuator features stainless steel housing for corrosion resistance and mechanical strength, with gold-plated beryllium copper contacts ensuring reliable electrical connections over thousands of mating cycles.
The PEI insulator material offers exceptional dielectric properties and temperature stability. This combination of materials ensures your attenuator maintains its electrical characteristics throughout its service life.
Your applications often demand equipment that withstands harsh conditions. Our attenuators meet stringent military standards:
These certifications ensure you can rely on consistent performance in demanding environments.
Communications Systems: You can use our attenuators for signal level adjustment in base stations, repeaters, and test equipment. The precise attenuation helps optimize system performance and prevents receiver overload.
Radar Applications: In radar systems, you need accurate signal control for calibration and testing. Our attenuators provide the stability and precision required for critical measurements.
Test and Measurement: Laboratory environments demand reliable components. You get consistent results when using our attenuators for equipment calibration and signal conditioning.
Military and Aviation: The tough development and military-standard compliance make these attenuators perfect for defense applications where unwavering quality is paramount.
Installing your item is straightforward. Ensure proper torque settings (0.79N·m-1.13N·m) during installation to maintain optimal electrical performance. Regular inspections help sustain long-term reliability, ensuring continued efficiency and effectiveness over time.

Located in Chang'an Innovation and Technology Industrial Park, Xi'an, we specialize in precision electrical connectors and RF components. Our expertise spans millimeter wave technology up to 110GHz, with over 200 connector specifications and 400 cable assembly variants.
We focus on import substitution and achieving international quality standards. Our products serve new energy, photovoltaic, medical, communications, military, and automation industries.

Ready to enhance your RF system performance? Contact us at postmaster@cymicrowave.com to discuss your specific requirements. We provide technical support and can customize solutions for your unique applications.
Our engineering team stands ready to help you select the right SMA RF Attenuator for your needs. Whether you need different attenuation values or specific environmental requirements, we can provide tailored solutions that meet your exact specifications.