Product Overview
The MN-C--03-DM-7/8 is a high-performance 7/16 DIN Male RF Coaxial connector specifically engineered for 7/8" feeder cables. Known for its robust and stable design, this connector provides superior performance in minimizing intermodulation distortion (IMD) and return loss. With a high-degree of environmental protection and vibration resistance, it is the ideal choice for base stations, broadcast communication systems, and critical wireless infrastructure requiring high power handling and reliable signal integrity.
Technical & Mechanical Specifications
| General Information | |
| Model No. | MN-C--03-DM-7/8 |
| Interface | According to IEC 60169-4 |
| Electrical Specifications | |
| Characteristic Impedance | 50 ohm |
| Frequency Range | DC-3 GHz |
| VSWR | ≤ 1.12 |
| Dielectric Withstanding Voltage | ≥ 4000V RMS, 50Hz |
| Dielectric Resistance | ≥ 10000M ohms |
| Center Contact Resistance | ≤ 1.0M ohms |
| Outer Contact Resistance | ≤ 0.3M ohms |
| Material & Mechanical Specifications | |
| Body Material / Plating | Brass / Ni or Tri-Alloy |
| Insulator | PTFE |
| Center Conductor | Phosphor Bronze / Ag Plating |
| Coupling Nut | Brass / Ni Plating |
| Durability | ≥ 500 Mating Cycles |
| Operating Temperature | -40 to +85 ℃ |
Frequently Asked Questions
- Q1: What does the "7/16" in the DIN connector name represent?
- A: The name refers to the metric dimensions of the connector's interface: the inner contact has an outer diameter (OD) of 7mm, and the outer contact has an inner diameter (ID) of 16mm. These specific dimensions are designed to optimize high-power RF transmission.
- Q2: Why is the 7/16 DIN connector ideal for base stations?
- A: These connectors are incredibly robust and stable. They are specifically designed to minimize Intermodulation Distortion (IMD) and signal noise, which is critical for the clear, high-capacity communication required in mobile base stations and broadcast towers.
- Q3: Does this connector provide weather protection for outdoor use?
- A: Yes. The 7/16 DIN series is built for harsh environments. When properly installed on a 7/8" feeder cable, it offers excellent waterproof performance and vibration resistance, ensuring long-term stability even in extreme weather conditions.
- Q4: What are the plating options for the MN-C--03-DM-7/8 body?
- A: The connector body is available in Nickel (Ni) or Tri-Alloy (White Bronze) plating. Tri-Alloy is often preferred for high-end applications as it is non-magnetic, which helps maintain the lowest possible PIM (Passive Intermodulation) levels.
- Q5: How durable is the mating interface?
- A: This connector is designed for high durability, rated for at least 500 mating cycles. This makes it suitable for applications where connections might be tested or reconfigured during system maintenance.
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