SENKO SN® Compact Connector
The SENKO SN® Compact Connector is specifically engineered for Behind The Wall (BTW) applications, seamlessly integrating with the SN® Compact adapter series. Its design is tailored for miniature cassette systems where vertical space is at a premium, offering both 3-channel and 6-channel configurations to accommodate various cassette types and fiber counts.
By combining a reduced-height profile with a secure audible click latch and proven 1.25 mm zirconia ferrule technology, the SN® Compact Connector delivers reliable, high-density optical performance in the most space-constrained environments — including low-profile cassettes, high-density patch panels, and multi-row 1RU systems.
SENKO SN® Compact Connector
The SN® Compact Connector's reduced-height form factor makes it purpose-built for miniature cassette systems and BTW environments where standard VSFF connectors cannot fit. Its upper latch mechanism provides an audible click on secure engagement — eliminating guesswork in blind-access installations. Supporting two 600 µm or 900 µm buffered fibers in a single boot and available in both UPC and APC configurations, the SN® Compact delivers the flexibility and density that modern structured cabling demands.
Download Product Datasheet (PDF)
Key Features
- Space-Efficient Design The compact profile of the SN® Compact Connector minimizes vertical space requirements, making it ideal for low-profile cassette systems and BTW environments where standard connectors are too tall to fit. Its reduced connector height allows three rows of adapters in a single 1RU panel — dramatically increasing port density per rack unit.
- Secure Latching Mechanism An upper latch mechanism provides a clear audible click upon secure connection, ensuring reliable and positive engagement with the adapter every time. This tactile and audible confirmation is especially valuable in blind-access or high-density installations where visual verification is difficult.
- Proven Ferrule Technology Utilizes 1.25 mm zirconia ferrules — the same technology trusted in LC connectors for decades — ensuring consistent, high-quality optical performance. The zirconia ceramic construction delivers precise ferrule alignment, low insertion loss, and long-term mechanical stability across hundreds of mating cycles.
- Versatile Fiber Support Designed to support two 600 µm or 900 µm buffered fibers within a single boot, simplifying cable management and installation. This dual fiber accommodation reduces the number of individual cable runs required and streamlines routing within compact cassettes and patch panels.
- Multiple Performance Options Available in both Ultra Physical Contact (UPC) and Angled Physical Contact (APC) configurations to meet diverse application requirements. UPC versions are suitable for standard data transmission applications, while APC versions are ideal for wavelength-sensitive or passive optical network (PON) deployments.
Technical Specifications
Full technical details are available in the downloadable spec sheet.
| Parameter | Details |
|---|---|
| Fiber Count | Duplex (2 fibers) |
| Cable Compatibility | 2 x 600 µm or 900 µm buffered fibers |
| Ferrule Material | Zirconia |
| Insertion Loss | Typical: 0.05 dB (SM Premium UPC) Maximum: 0.15 dB (SM Premium UPC) |
| Return Loss | ≥55 dB (UPC) ≥65 dB (APC) |
| Operating Temperature | -40°C to +75°C |
| Durability | 500 matings per TIA-568 standard |
| RoHS Compliance | Yes (2015/863 RoHS) |
| REACH Compliance | Yes |
| Halogen-Free | Yes |
| Humidity Resistance | 95% |
Insertion loss values are based on master-grade jumper to low-loss random mating tests.
Applications
- Miniature Low-Profile Cassettes Ideal for compact cassette systems where space optimization is crucial and standard-height connectors cannot be accommodated. The SN® Compact's reduced profile enables cassette designs that would be impossible with conventional VSFF or LC connectors.
- High-Density Patch Panels Enhances fiber density in patch panels by enabling more adapter rows per rack unit, maximizing space utilization in structured cabling environments. Supports configurations with three rows of adapters in a single 1RU panel for dramatically increased port availability.
- 1RU Panels with Multiple Adapter Rows Supports multi-row adapter configurations within a single rack unit, increasing port availability in constrained rack environments. This capability is particularly valuable in top-of-rack and end-of-row deployments where U-space is limited.
- Front Access Fiber Management Systems Facilitates easy access and maintenance in front-access designs, where compact connector geometry and reliable latching are essential for efficient moves, adds, and changes without disturbing adjacent connections.
Why Choose the SENKO SN® Compact Connector?
- Optimized for Space-Limited Installations The reduced height and compact design make it perfect for Behind The Wall environments and miniature cassette systems where every millimeter of vertical clearance matters. Purpose-built for applications where no other connector will fit.
- Reliable Performance Incorporates proven 1.25 mm zirconia LC ferrule technology, ensuring consistent and high-quality optical connections across the full product lifetime. Telco-grade insertion loss performance is maintained through 500 mating cycles to TIA-568 standard.
- Flexible Application Support Compatible with various SN® Compact adapter configurations and suitable for multiple high-density applications — from miniature cassettes and 1RU multi-row panels to BTW structured cabling systems and front-access fiber management enclosures.
- Simplified Installation The audible click latching mechanism ensures secure connections and reduces the risk of accidental disconnections in high-density environments. Clear tactile confirmation of a seated connection eliminates verification steps and speeds up deployment.
Frequently Asked Questions
The SN® Compact Connector features a further-reduced height profile specifically designed for Behind The Wall (BTW) applications and miniature cassette systems where the standard SN® connector is too tall to fit. It replaces the push-pull boot with an upper latch mechanism that produces an audible click on engagement, and uses 1.25 mm zirconia ferrules — the same technology as LC connectors — rather than the larger ferrule format of the standard SN®.
The SN® Compact Connector is designed to accommodate two 600 µm or 900 µm buffered fibers within a single boot. This dual-buffer support simplifies cable management within compact cassettes and allows integration with both tight-buffered fiber and standard loose-tube ribbon designs.
Yes. The SN® Compact Connector is available in both UPC (Ultra Physical Contact) and APC (Angled Physical Contact) configurations. UPC versions are well-suited for standard data transmission applications, while APC versions provide the lower back-reflection performance required for wavelength-sensitive and passive optical network (PON) applications.
The upper latch mechanism on the SN® Compact Connector is designed to produce a clear, audible click the moment the connector is fully and securely seated in the adapter. In densely packed BTW environments and front-access cassette systems where visual confirmation is often obstructed, this tactile and audible feedback gives technicians immediate confidence that the connection is properly engaged without requiring additional verification steps.