Skip to content
Connectors, terminals & cable assemblies · Equivalents & custom parts · QC · Worldwide shipping info@intorfilters.com

Crimp vs Solder vs Screw vs IDC: Choosing a Termination Method

Reliability, speed, tooling cost and field serviceability of the four main ways to attach wire to a connector.

Crimp vs Solder vs Screw vs IDC: Choosing a Termination Method
Key points

  • Crimp is the standard for production harnesses: fast, repeatable and vibration-resistant.
  • Solder suits PCBs and small batches but makes wire stiff at the joint.
  • Screw, spring and lever clamps allow tool-free field wiring.
Method Strengths Watch out for
Crimp Fast, gas-tight, vibration-proof Needs the right die and wire size
Solder Low tooling cost, good for PCBs Wicking, heat damage, slow
Screw / spring / lever clamp Tool-free, reusable, field wiring Torque and ferrules for fine strands
IDC Terminates many wires in one press Needs matching cable and insulation
Press-fit Solderless PCB mounting Requires exact hole tolerance

Crimp

Crimp terminals and connector contacts form a cold weld with the strands. More on Wikipedia’s crimp page.

Screw, spring and lever

Terminal blocks and DIN-rail blocks dominate control cabinets. Use ferrules on fine-stranded wire.

IDC

IDC connectors terminate flat ribbon cable in seconds — ideal for internal board links.

Related: wire gauge and current ratings.

Examples from our connector contacts & mating pins range — see all 473 →

Frequently asked questions

Is crimping more reliable than soldering?

For stranded wire under vibration, a correct crimp is usually more reliable because solder wicking creates a stiff point where strands can break.

Do I need special crimp tools?

Yes. Each terminal family has its own die profile; generic pliers give inconsistent crimps.

Need a connector, an equivalent or a custom part? We will quote it.

Send the part number, drawing or a photo, with pin count, ratings and quantity. We reply with a full quote: price, MOQ, lead time and shipping.

Request a Quote