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Surface Mount Terminal Blocks

931-SLR-THR-1.1 3.50 mm (0.138 in) Spacing   -   02-16 poles Print this page

  • The 931-SLR-THR-1.1 is a 3.5 mm pitch pin strip header with 1.1 mm single diameter pins (the PCB and plug end are 1.1 mm diameter).

    The high temperature resistant resin moulding and the matte tin & nickel plated copper alloy pin meet RoHS SAC (tin, silver, copper) soldering temperature and tin whisker mitigation requirements. Standoffs, allow hot-air circulation near and inspection of the solder lands.

    Pin strips equipped with removable pick caps are packed in deep embossed tape and reel, suitable for auto-loading pick and place processes. They can also be supplied loose in cartons for hand placement.
  • Pinstrip
  • Through Hole Reflow
  • Vertical version
Technical Data

Center to Center Spacing: 3.500 mm (0.138 in)

Recommended Hole Diameter in PC Board: 1.300 mm (0.051 in)

Bill of Materials

Molding : HT Polyamide, Self extinguishing UL 94, V-0

Color : Black

Temperature limits : Short Time : 260°C (500°F)
Continuous : 105°C (221°F)Low Limit : -40°C (-40°F)

Ambient Temp. Range (°C) : -40°C to 40°C

Temperature Limits : * 270°C (518°F) with Nitrogen

Comparative Tracking Index : CTI ≥ 600 V

Oxygen Index Rating : 28 %


Average weight per pole: 0.15 g

PCB Pin: Tin plated copper alloy Ø 1.1 mm (0.04 in.)

Plug Pin: Tin plated copper alloy Ø 1.1 mm (0.04 in.)



The 931-SLR-THR-1.1 is designed for printed circuit board (PCB) through-hole re-flow soldering or wave soldering processes.

It plugs with the 930-FL & 938-FL.

Insertion forces that can be adjusted to customer requirements: 1.1 mm diameter plug ends have lower insertion forces than 1.3 mm diameter plug ends. An application with many poles may favor the 1.1 mm diameter pin. With fewer poles it could favour the 1.3 mm diameter pin.

In field applications involve thermostats, hygrostats, HVAC controls, process control, automation, robotics, AC or DC drives remote controls.

Visual Description
  • RoHS WEEE Pb free surface compliant
Approval Information UL File No. E69841  |  CSA File No. LR24322
    TYPE (Spacing)
    Current (A)
    Voltage (V)
    Screw Tightening
  • 931-SLR-THR-1.1
    3.5 mm
     6 6
     300 300
     B D
  • 931-SLR-THR-1.1
    3.5 mm
     6 6
     300 300
     B D
  • B group is 300 V because the 1.1 mm diameter pin allows to meet the minimum acceptable spacing for UL & CSA.
International Approval Information

Rated Impulse Withstand Voltage : 2500 V

Plug-In Direction Perpendicular to PCB and Wire Entrance Parallel to PCB
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WECO Electrical Connectors Inc.
18050 Trans-Canada Highway, Kirkland, QC Canada H9J 4A1
Tel.: 1.514.694.9136 fax.: 1.514.694.0956
Toll free.: 1.800.724.2928 (US and CAnada only)