SFP-DD Cage Assembly, 1×1, 15-Position, Press-Fit Through-Hole — Compatible with TE 2335809-1
F-tone’s FT-SFPDD-CAGE-15PF is a high-speed pluggable I/O cage assembly engineered as a drop-in compatible replacement for TE Connectivity part number 2335809-1. Designed to the SFP-DD (Small Form Factor Pluggable Double Density) MSA footprint, it supports 15-position SFP-DD transceivers and SFP56-class applications up to 50 Gbps per port lane grouping, making it ideal for switches, NICs, routers, and optical line cards that require doubled port density in the same front-panel pitch as legacy SFP/SFP+.
Key Features
Form factor: 1×1 SFP-DD cage assembly, 16.25 mm centerline, double-density layout
Positions: 15-position receptacle guide with press-fit tail array
Termination: Through-hole, right-angle press-fit (solder-free PCB mounting)
EMI performance: Integrated internal and external EMI spring fingers (copper alloy, nickel-plated) for robust shielding and low insertion loss
Housing: 0.25 mm stainless-steel cage, durable and warpage-resistant
Thermal range: −55 °C to +85 °C operating, suitable for telecom-grade environments
Compliance: SFP-DD MSA mechanical mating, RoHS-compliant, press-fit hole pattern references TE application spec 114-60027
Options: No heat sink, no light pipe — matches 2335809-1 baseline configuration
Benefits for System Designers
1.Pin-for-pin and footprint compatible with TE 2335809-1 — direct substitution on existing layouts with no re-spin
2.Press-fit THR termination enables lead-free reflow profiles, reduces thermal stress on PCB, and supports automated pick-and-place with cage press-in tooling
3.Tight tolerance stainless cage guarantees proper module seating, hot-swap repeatability, and EMI containment across multiple insertion cycles
4.Cost-optimized supply from F-tone for volume production, with full mechanical drawings, STEP models, and press-fit insertion guidelines available
Typical Applications：
1.25G/50G/100G Ethernet line cards (SFP28 / SFP56 DD)
2.Data center top-of-rack switches and fabric extenders
3.Telecom access and aggregation equipment
4.Test and measurement platforms requiring SFP-DD pluggable fronts
Technical Specifications
| Part Number |
2335809-1 |
Part Status | Active |
| Connector Style | Cage with Heat Sink | Connector Type | QSFP-DD (Double Density) |
| Mounting Type | Through Hole | ||
| Termination | Press-Fit | Features | EMI Shielded |
| Port Matrix Configuration | 1x1 Ports | Number of Ports | 1 |
| Number of Rear EONs per Port Column | 1 | Heat Sink Height | 13.5mm[.531in] |
| Heat Sink Style | Networking | Cage Material | Stainless Steel |
| Circuit Application | Signal | Included Lightpipe | NO |
Contact us.
For any inquiries, please feel free to contact us. We reply within 24 hours.
📧 Email: una@f-tone.com
📱 Mobile / WhatsApp / WeChat: +86 177 6116 3895
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.
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Power and Wavelength Testing
Test the signal delivering strength and wavelength, to ensure the signal decoding capacity of the receiver, and the wavelength remains consistent from the transmitter to the receiver.
Traffic Testing
Test the bit error rate and packet loss rate, to make them meet the corresponding standards and ensure the performance of transceivers.
Optical Performance Testing
Test the transceivers' eye diagram situation, receiving sensitivity, extinction ratio, wavelength, light-emitting, light-receiving, current and voltage, to ensure the signal quality, stability and reliability of the transmission.
End Face Testing
Check the end face of the transceivers and keep them clean for more stable data transmission, better performance, and durability.
Various Switch Tests
Every module is quality tested for compatibility in the multi-brand switches environment, guaranteeing flawless operations.