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3.5mm Terminal Block | FS1.5-XX-350-12S

Wire-to-board Connector for AI modules and IoT applications

Pitch: 3.5mm
Rated current: 10A
Rated voltage：300V
Wire range: 26-14 AWG
Connection method: Push-in spring connection

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Product certification

Replacement Compatibility

  • General Type: 3.5mm pitch THR Fixed PCB Spring Block (Vertical, Stackable)

Product Advantages

  • ☑ Latching, side-by-side stackable design allows for custom pole counts without losing pitch.
  • ☑ THR compatibility for efficient, automated soldering.
  • ☑ Modular design provides maximum flexibility for various applications.

Application Scenarios

  • Creating custom-length terminal strips
  • Prototyping and modular systems
  • PLC and I/O interfaces

Connection capacity

Conductor cross section solid 0.2~1.5mm²
Conductor cross section flexible 0.2~1.5mm²
AWG 28~14AWG
Strip length 8mm





Electrical parameters UL

Rated voltage (B) 300V
Rated voltage (D) 300V
Rated current (B) 12A
Rated current (D) 10A





Electrical parameters lEC

Rated voltage 200V
Rated voltage(III/3) 200V
Rated current 17.5A
Rated voltage(III/2) 200V
Rated voltage(II/2) 320V
Rated surge voltage(III/3) 2.5KV
Rated surge voltage(III/2) 2.5KV
Rated surge voltage(II/2) 2.5KV





ltem properties

Connection direction 90°
Type of installation PCB welding
Pin arrangement Double-row in a straight line
Connection method Push-in spring connection
Pitch 3.5mm
Number of potentials 2-24P
Pluggable or not no
Number of rows 1





Material data

Environmental items Compliant with REACH/RoHS
Contact material Copper alloy
Contact point metal surface tin-plated
Insulation Materials High temperature resistant materials
Insulating material group Ⅰ
Flammability rating UL94V-0





Mechanical tests

Test Specification IEC60947/UL1059





Environmental data

Ambient temperature (operation) -40℃~130℃(depending on derating curve)



Brand AOSI
Packing unit 100
Minimum order quantity 50
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