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3M SPD08 High-Speed Card-Edge Connector
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3M™ SPD08 High-Speed Card-Edge Connectors

3M™ SPD08 High-Speed Card-Edge Connectors are board-to board connectors suitable for use in mezzanine board stacking designs requiring transmission of high-speed (up to 15 Gbps), high density, controlled impedance signals as well as wire-to-board designs requiring transmission of high speed signals (up to 25 Gbps). SPD08 features a high density 0.8mm pitch, two-row design to conserve board space and simplify trace routing. These connectors offer flexible stacking height (16-40 mm) with the use of a PCB intermediate riser card. The embedded ground plane with riser card limits row-to-row crosstalk and enhances signal integrity. SPD08 supports XAUI, PCI Express (Gen 1/2/3), SATA, and other application speeds.


Supports High-speed Board-to-board Connections

  • Controlled impedance, crosstalk limiting contact design supports speeds up to 15 Gbps (at 30 mm stack height)
  • Embedded ground plane within riser card limits row-to-row crosstalk and enhances signal integrity
  • Supports XAUI , PCI Express (Gen 1/2/3), SATA and other application speeds

Flexible Stacking Height and Robust Connection

  • Supports flexible stacking height (16-40 mm) with the use of a PCB intermediate riser card
  • Robust contact design is tolerant of misalignment, provides a reliable connection and supports blind mate

High Density Board Footprint

  • High density (0.8 mm pitch), two-row design conserves board space and simplifies trace routing

Flexible Design Options

  • 20-200 contact positions
  • Available with optional latches for robust mechanical stability
  • 0.5A current rating per contact for mixed signal and power applications

Widespread Applicability
  • Supports up to 25 Gbps wire-to-board applications using 3M™ Twin Axial Cable terminated to the edge
  • Contacts and Solder Tabs: Copper alloy
  • Finish: 3~5 μm matte tin on solder tail; 1.27 μm nickel under plate all over
  • Housing:
    • Connector: LCP, black, UL 94V-0
    • Latch: LCP, beige, UL 94V-0
  • Current Rating: 3.0A @ 30°C (single contact); 0.5A per contact
  • Contact Resistance: 50mΩ max.
  • Voltage: 50 VAC
  • Characteristic Impedance: For 85 Ohm and 100 Ohm systems
  • Transmission Rate: 7.5 GHz (rated at -2dB insertion loss for 30 mm stack height board-to-board applications)
  • Temperature: -55°C ~ +125°C

  • Datacom systems
  • Enterprise servers
  • Telecommunications equipment
  • Defense and test applications

Part Number Number of Positions Optional Latch
SPD08-020-LRB-TR 20 With Latch 
40 With Latch
50 With Latch
60 With Latch
SPD08-080-L-RB-TR 80 Without Latch
80 With Latch
100 With Latch
120 With Latch
SPD08-200-LRB-TR  200 With Latch
  • 3M
  • Connectors|Connector-Rectangular