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QMA Plug-Male for RG8X, LMR240, AIR802 CA240, Belden 9258 and Similiar Sized Cables - Tri-Metal Plated
Model CN3QMAP-TM is a QMA plug-male crimp connector for RG8X, AIR802 CA240, Times Microwave LMR240, Belden 9258 and similar size 50 ohm cables. This connector is tri-metal plated, which sometimes referred to as white bronze or tri-alloy.
Model CN3QMAP-TM is a QMA plug-male crimp connector for RG8X, AIR802 CA240, Times Microwave LMR240, Belden 9258 and similar size 50 ohm cables. This connector is tri-metal plated, which is sometimes referred to as white bronze or tri-alloy.
Standard connectors are nickel or silver plated brass. This tri-metal (copper-tin-zince alloy) premium class connector provides the best possible performance. Now you can have both corrosion resistance and low intermodulation distortion (IMD) characteristics in one product. We provide the following chart to illustrate the positive and negative characteristics of each plating type.
| Plating Material | Pro | Con |
| Silver | Low Intermodulation Distortion (IMD) |
Expensive
Low Corrosion Resistance
|
| Nickel |
Less Expensive
Good Corrosion Resistance
|
Potential Intermodulation Distortion (IMD) in N and
Other Large Size Connectors
|
| Tri-Metal Albaloy (Copper/Tin/Zinc) |
Corrosion Resistant
Low Intermodulation Distortion (IMD)
|
Expensive |
QMA style connectors are frequently referred to as a quick-connect style. They were designed with the goal of being a replacement for SMA and N style connectors, which have threaded connections and for proper connection require a torque wrench. With the quick-connect design of the QMA the snap fastening results in more rapid connections. The QMA connector design also provides for 360° cable rotation which results in easier cable routing after the installation. QMA connectors are often used in cellular applications.
Specifications
| ELECTRICAL | |
| Impedance | 50 ohms |
| Frequency Range | DC ~ 6 GHz |
| Voltage Rating | 1500 Volts rms |
| Dielectric Withstanding Voltage | 500 Volts rms |
| Insertion Loss | .05 dB Typical |
| VSWR | 1.13 max @ 6 GHz |
| MATERIAL | |
| Body | Tri-Metal (Copper, Tin, Zinc) Plated Brass |
| Contact | Gold Plated Brass |
| Insulator | PTFE |
| Ferrule | Tri-Metal (Copper, Tin, Zinc) Plated Copper |
| MECHANICAL | |
| Cable Attachment | Hex Braid Crimp |
| Center Conductor Attachment | Solder |
| Cable Retention | 30 lbs. Pull |
| ENVIRONMENTAL | |
| Temperature | -40°F to 176°F (-40°C to 80° C) |
| RoHS Compliant | Yes |
| Corrosion | MIL-Std. 202 Method 101 (Test Condition B) |
| Temperature Cycling | MIL-Std. 202 Method 102 (Test Condition C) |
| Altitude | MIL-Std. 202 Method 105 (Test Condition C) |
| Vibration | MIL-Std. 202 Method 204 (Test Condition B) |
| Moisture Resistance | MIL-Std. 202 Method 106 |
