1.6/5.6 (L9) Bulkhead Mount RF Coaxial Connectors are compact RF connectors designed for single-hole panel installation, providing a fixed feed-through connection between the outside and inside of an equipment enclosure. Based on the 1.6/5.6 DIN interface standard, this connector series maintains stable 75Ω impedance and is engineered for high-density installations where multiple channels are terminated on a single panel, commonly used in CCTV, CATV distribution, video transmission, and telecommunication equipment. 1.6/5.6 (L9) Bulkhead Mount RF Coaxial Connectors are secured through a nut and washer arrangement on a single mounting hole, offering a compact alternative to multi-hole flange installation.
Compared with multi-hole flange connectors, 1.6/5.6 (L9) Bulkhead Mount RF Coaxial Connectors require only a single panel cutout, which simplifies installation and reduces the panel space needed per connection point, an important consideration in distribution panels and equipment racks with a high number of connection channels. Contact components in this category are typically machined from brass or phosphor bronze and finished with nickel or gold plating to provide the conductivity and corrosion resistance required for long-term panel-mounted use.
Common Types and Characteristics
| Type |
Mounting Style |
Gender |
Typical Impedance |
Key Characteristics |
| 1.6/5.6 Bulkhead Jack, Solder Cup |
Single-hole panel mount |
Female |
75Ω |
Solder termination for internal panel wiring |
| 1.6/5.6 Bulkhead Jack, Cable Mount |
Single-hole panel mount |
Female |
75Ω |
Direct termination onto flexible coaxial cable |
| 1.6/5.6 Bulkhead Jack-Jack (Feed-through) |
Single-hole panel mount |
Female-Female |
75Ω |
Panel feed-through connection between two cable ends |
| 1.6/5.6 Bulkhead Jack, Extended PTFE |
Single-hole panel mount |
Female |
75Ω |
Extended insulator for recessed panel thickness |
Application Scenarios and Selection Points
1.6/5.6 (L9) Bulkhead Mount RF Coaxial Connectors are applied in CCTV surveillance systems, CATV distribution panels, video transmission racks, and telecommunication distribution frames where compact single-hole panel connections are required. When selecting a connector from this category, the following points are recommended for confirmation:
- Panel thickness — confirmed against the connector's threaded length and insulator extension
- Termination method — solder cup for internal wiring or cable mount for direct cable termination
- Impedance matching — 75Ω configuration confirmed against the video or data transmission system requirements
- Plating material — nickel plating for general durability, gold plating for improved conductivity and corrosion resistance
- Panel hole spacing — single-hole footprint suited for high-density, multi-channel distribution panels
Bulkhead Mount vs. Flange Mount Connectors
| Mounting Type |
Panel Cutout |
Installation Density |
Typical Use |
| Bulkhead Mount |
Single hole |
High, compact spacing |
High-density distribution panels, feed-through connections |
| Flange Mount |
Multi-hole (2 or 4 holes) |
Lower, requires more panel space |
Equipment enclosures requiring higher mechanical stability |
FAQ
Q: What distinguishes bulkhead mount connectors from flange mount connectors?
A: Bulkhead mount connectors are secured through a single panel hole using a nut and washer, while flange mount connectors use multiple mounting holes for a wider, more mechanically stable panel interface.
Q: What is the typical impedance of these connectors?
A: 1.6/5.6 (L9) Bulkhead Mount RF Coaxial Connectors are typically configured for 75Ω impedance, matching common video and CATV transmission standards.
Q: Are feed-through configurations available in this category?
A: Yes, jack-jack bulkhead configurations are available to provide a panel feed-through connection between two separate cable ends.
Q: Can these connectors accommodate different panel thicknesses?
A: Threaded length and insulator extension can be adjusted according to panel thickness and customer specifications.
1.6/5.6 (L9) Bulkhead Mount RF Coaxial Connectors in this category are manufactured by Yangzhou Jingcheng Electronics Co., Ltd., a company specializing in RF coaxial connector design and production since 1999, with in-house manufacturing and high precision testing equipment supporting consistent performance across the 1.6/5.6 (L9) connector range.
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