Amphenol Commercial Products Supplier Page

ExpressPort™ SFP+ 1xN Cages

SFP+ ExpressPort™ 1xN CagesAmphenol Commercial Products' ExpressPort™ SFP+ 1xN Cages expand Amphenol’s SFP series product offering to provide data transfer speeds of up to 10 Gbps when combined with the new ExpressPort™ SFP+ connector. Together, these products form a modular high speed I/O interconnect system providing a higher speed, inexpensive External I/O product, primarily for the networking, telecom and storage systems markets. ExpressPort™ SFP+ 1xN cages and connectors meet the SFF-8432 standard for single port cages, and SFF-8433 standard for 1xN (1x2, 1x4 and 1x6) port versions, and feature compliant press-fit pins (single port cages are also available with pcb mount solder tails)
Applications: Network switches, routers, servers, storage devices RoHS Compliant
General Requirements
  • RoHS Compliant
  • Industry standard footprint
  • Cages are tray packaged
  • Dust cover for front face is available (bulk packed)
  • Temperature rating -55C° to 85C°
  • Industry standard EIA-364
Mechanical Characteristics
Accepts multiple transceivers per INF-8074i and SFF-8431
Durability of 250 mating cycles
Maximum insertion force for an MSA compliant transceiver is 50N
Connectors shall be of the design, construction and physical dimensions specified on the applicable product drawings.
Electrical Characteristics
Hot swappable
Allows module swapping
Operating voltage 3.3V at 0.5A maximum
Cages include EMI grounding features such as spring fingers and elastomeric gaskets for superior EMI performance.
Selected versions provide enhanced EMI shielding through the use of supplementary ground tabs.
Material Requirements
Unless otherwise specified, the materials for each component shall be:
  • RoHS Compliant on SFP connectors and cages.
  • Cage: Copper alloy, nickel plated. Selected version available with matte tin over nickel.
  • Light pipes are optical grade polycarbonate. Brackets, stainless steel.
  • Optional thermoplastic dust covers.

Digi-Key Part NumberAmphenol Part NumberDescription
U77-A1613-1001-ND U77-A1613-1001 CONN SFP+ CAGE SGL 20PIN SLD TIN
U77-A1618-2001-ND U77-A1618-2001 CONN SFP+ CAGE SGL PRESS FIT
U77-A261M-2081-ND U77-A261M-2081 CONN SFP+ 1X2 CAGE SPRING FINGER
U77-A461M-2081-ND U77-A461M-2081 CONN SFP+ 1X4 CAGE SPRING FINGER
U77-A661M-2081-ND U77-A661M-2081 CONN SFP+ 1X6 CAGE SPRING FINGER
U77-A241M-2081-ND U77-A241M-2081 CONN SFP+ 1X2 CAGE GASKET NICKEL
U77-A641M-2081-ND U77-A641M-2081 CONN SFP+ 1X6 CAGE GASKET NICKEL
U77-C261M-2081-ND U77-C261M-2081 CONN SFP+ 1X2 CAGE EMI&LITE PIPE
U77-C461M-2081-ND U77-C461M-2081 CONN SFP+ 1X4 CAGE EMI&LITE PIPE
U77-C661M-2081-ND U77-C661M-2081 CONN SFP+ 1X6 CAGE EMI&LITE PIPE
U77-C241M-2081-ND U77-C241M-2081 CONN SFP+ 1X2 CAGE GASKET & LITE
U77-C441M-2081-ND U77-C441M-2081 CONN SFP+ 1X4 CAGE GASKET & LITE
U77-C641M-2081-ND U77-C641M-2081 CONN SFP+ 1X6 CAGE GASKET & LITE