SIPU CONNECTORS
SMA Female RF Coaxial Connectors Flange Mount Receptacle
SMA Female RF Coaxial Connectors Flange Mount Receptacle
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SMA Female RF Coaxial Connector – Flange Mount Receptacle (Model: SMA-KFD891G)
The SMA-KFD891G from SIPU is a flange mount SMA female RF coaxial connector designed for high-reliability and high-frequency signal transmission in compact RF systems. With its 4-hole flange mounting structure, it provides secure PCB attachment or panel installation, and supports a frequency range up to 18 GHz.
Built with passivated stainless steel housing, gold-plated beryllium bronze contacts, and a PTFE dielectric, this connector offers outstanding electrical performance, durability, and mechanical integrity. It is fully compatible with global SMA standards, ensuring broad interchangeability in RF communication systems.
🔧 Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | SMA Female RF Coaxial Connector |
| Model Number | SMA-KFD891G |
| Mounting Style | 4-Hole Flange Mount |
| Gender | Female |
| Configuration | Straight |
| Impedance | 50 Ω |
| Frequency Range | DC to 18 GHz |
| Dielectric Withstanding Voltage | 1000 V |
| Insulation Resistance | ≥ 5000 MΩ |
| VSWR | ≤ 1.05 + 0.012F(GHz) |
| Insertion Loss | ≤ 0.05√F(GHz) dB |
| Contact Resistance | Center ≤ 3.0 mΩ / Outer ≤ 2.0 mΩ |
| Durability (Mating Cycles) | ≥ 500 |
| Inner Conductor Tail Dimensions | 0.5 mm (slot width) × 1.5 mm (slot depth) |
⚙ Materials & Finish
| Component | Material | Plating/Remarks |
|---|---|---|
| Center Conductor | Beryllium Bronze | Gold Plated |
| Outer Conductor | Stainless Steel | Passivated |
| Insulating Medium | PTFE | – |
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