Amphenol 2.92 mm RF Adapters AD-24J292J-1,AD-292P292J-1,AD-292JSMAP-1
Amphenol RF 2.92 mm Adapters are precision-engineered RF coaxial adapters designed for high-frequency microwave and millimeter-wave applications. Commonly known as K-Type adapters, these products provide reliable interconnection between 2.92 mm, SMA, and other compatible RF interfaces while maintaining excellent signal integrity up to 40 GHz. Their rugged threaded coupling design ensures stable performance in laboratory testing, aerospace, SATCOM, microwave communications, quantum computing, and high-frequency instrumentation.
Key Features
Frequency range up to 40 GHz
50 Ohm impedance
Low VSWR and excellent return loss
Precision-machined construction for repeatable performance
Compatible with SMA, 3.5 mm, and 2.92 mm interfaces
Threaded coupling mechanism for secure connections
Suitable for test and measurement, SATCOM, aerospace, and defense applications
Designed according to MIL-STD-348 interface standards
Typical Electrical Specifications
| Parameter | Specification |
| Impedance | 50 Ω |
| Frequency Range | DC – 40 GHz |
| Voltage Rating | 200 VRMS Max |
| Dielectric Withstanding Voltage | 600 VRMS Min |
| VSWR | 1.30:1 Max |
| Insulation Resistance | 5000 MΩ Min |
| Operating Temperature | -65°C to +165°C |
| Mating Cycles | 500 Min |
Models and Configurations
Amphenol RF currently offers the following 2.92 mm to SMA adapter configurations:
| Part Number | Adapter Families | Adapter Type | Body Finish | Body Material | Contact Finish | Contact Material | Frequency (Max GHz) | Impedance (Ohms) | Insulator Material | Temp (Max Degrees Celsius) | Temp (Min Degrees Celsius) | Unit Weight (Grams) |
| AD-24J292J-1 | 2.4 Jack to 2.92 Jack | Between-Series | Passivated | Stainless Steel | Gold | Beryllium Copper | 40 | 50 | Ultem, natural | 125 °C | -40 °C | 2.6 g |
| AD-24P292J-1 | 2.4 Plug to 2.92 Jack | Between-Series | Passivated | Stainless Steel | Gold | Beryllium Copper | 40 | 50 | Ultem, natural | 125 °C | -40 °C | 4.2 g |
| AD-292J292J-1 | 2.92 Jack to 2.92 Jack | In-Series | Passivated | Stainless Steel | Gold | Beryllium Copper | 40 | 50 | Ultem 1000 | 165 °C | -65 °C | 3.9 g |
| AD-292JSMAJ-1 | 2.92 Jack to SMA Jack | Between-Series | Passivated | Stainless Steel | Gold | Beryllium Copper | 40 | 50 | Ultem 1000 and PTFE | 125 °C | -40 °C | 3.8 g |
| AD-292JSMAP-1 | 2.92 Plug to SMA Plug | Between-Series | Passivated | Stainless Steel | Gold | Beryllium Copper | 40 | 50 | Ultem 1000 and PTFE | 125 °C | -40 °C | 4.6 g |
| AD-292P292J-1 | 2.92 Plug to 2.92 Jack | In-Series | Passivated | Stainless Steel | Gold | Beryllium Copper | 40 | 50 | Ultem 1000 | 165 °C | -65 °C | 5.1 g |
| AD-292P292P-1 | 2.92 Plug to 2.92 Plug | In-Series | Passivated | Stainless Steel | Gold | Beryllium Copper | 40 | 50 | Ultem 1000 | 165 °C | -65 °C | 6 g |
| AD-292PSMAJ-1 | 2.92 Plug to SMA Jack | Between-Series | Passivated | Stainless Steel | Gold | Beryllium Copper | 40 | 50 | Ultem 1000 and PTFE | 125 °C | -40 °C | 5 g |
| AD-292PSMAP-1 | 2.92 Plug to SMA Plug | Between-Series | Passivated | Stainless Steel | Gold | Beryllium Copper | 40 | 50 | Ultem 1000 and PTFE | 125 °C | -40 °C | 5.8 g |
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