2.54mm Jumper Wire Solutions

Dupont Cable Assembly

Custom Dupont-style cable assemblies for prototyping, embedded systems, test fixtures, and low-current production interconnects. We build single jumpers, bundled harnesses, and custom pinout breakout cables with 100% electrical verification.

2.54mm
Standard Pitch
1-20
Typical Circuits
48h
Prototype Lead
100%
Pinout Tested
Common Build Options

Dupont Cable Formats

We manufacture jumper-wire style assemblies from single leads to organized multi-position harness sets.

Format
Pitch / Layout
Typical Use
1x1 to 1x12 Jumpers
2.54mm
Single-row housings for prototyping, modules, and board headers
2x2 to 2x10 Assemblies
2.54mm dual row
Compact board-to-board and daughtercard interconnects
Female-to-Female Leads
2.54mm
Temporary fixture, bench test, and development connections
Male-to-Female Jumpers
2.54mm
Common development harnesses for MCU boards and sensor modules
Female-to-Male Breakouts
2.54mm
Signal breakout and adapter cable sets for debugging
Multi-Branch Harnesses
Custom branch lengths
Bundled signal looms for low-current internal equipment wiring
Built for Repeatability

Assembly Capabilities

Small-pitch jumper assemblies still need disciplined crimping, pinout control, and inspection to avoid field wiring issues.

Precision Crimping

Controlled crimp height and pull-force verification for small open-barrel terminals

Color-Coded Harness Sets

Consistent wire colors and labels for faster installation and debugging

Prototype to Production

Single engineering samples through repeatable batch manufacturing

Pinout Control

Straight-through, crossover, mirrored, and custom breakout pin mapping

Strain Relief Options

Heat shrink, lacing, and bundling for internal equipment cable management

100% Electrical Test

Continuity and pinout verification before shipment

Dupont Harness Expertise

Better Than Off-the-Shelf Jumper Packs

Off-the-shelf jumper wires are useful for lab work, but production builds often need exact lengths, stable color sequencing, and known pin mapping. We manufacture Dupont-style harnesses to your drawing so installers do not have to repin generic jumpers on the bench.

  • Exact circuit count and custom lengths
  • Female, male, and mixed-end combinations
  • Straight, crossed, and branched pinouts
  • Bundled sets for modules and test fixtures
  • Wire color planning for easier service work
  • Heat shrink and labeling when required
  • Prototype through volume production support
  • 100% continuity and pinout verification
Request Dupont Cable Quote

Typical Applications

Embedded Electronics

MCU boards, dev kits, and sensor modules

Test Fixtures

Bench validation, functional test, and debug adapters

Internal Equipment Wiring

Low-current board interconnects inside enclosures

Prototype Harnesses

Fast-turn samples before locking the final connector family

Planning Inputs

Key Specifications

These are the most common variables we confirm before tooling and production release.

Typical Pitch
2.54mm (0.1 inch)
Positions
1 to 20 circuits typical
Wire Gauge
28 AWG to 22 AWG
Cable Length
50mm to 2m+ custom lengths
Termination
Female, male, mixed-end, and breakout formats
Conductor Type
Stranded tinned copper preferred for flex durability
Insulation
PVC, XLPE, silicone, or application-specific jackets
Testing
Continuity, pinout, polarity, and visual inspection

Custom Dupont Cable Assembly for Board-Level and Fixture Wiring

As a specialized Dupont cable assembly manufacturer, we build 2.54mm jumper-wire style harnesses for embedded electronics, module interconnects, and low-current internal wiring. In the market, "Dupont cable" is usually shorthand for the jumper format that mates with standard 0.1 inch headers commonly used on prototyping boards and compact electronic modules. The underlying connection style is closely related to the header-and-jumper ecosystem described in the jumper wire and pin header references.

We usually recommend custom-built jumper harnesses when your team has moved beyond one-off breadboard work and needs controlled lengths, stable wire colors, and repeatable pin mapping. That is common in fixtures, small control boxes, internal sensor modules, and service adapters where a generic retail jumper pack creates too much variation. Our broader custom cable assembly workflow lets us match each cable to your wiring list instead of forcing the design to fit a stocked jumper assortment.

Terminal quality matters even on low-current interconnects. Small open-barrel crimps still require proper conductor insertion, insulation support, and retention checks. That is why we combine validated crimp settings with our crimping capability and final continuity testing to prevent swapped positions, intermittent terminals, and mislabeled harness sets from reaching your line.

Dupont-style connectors work well for accessible, low-current, indoor applications, but they are not always the right long-term interface. If your design needs stronger retention, smaller pitch, sealing, or higher current, we often guide customers toward JST, Molex, or TE Connectivity systems. For flat multi-position routing, an IDC cable assembly may be a better production choice.

We support quick-turn prototypes, engineering sample packs, and repeat production lots with no minimum order constraint. If you send a pin list, cable drawing, or sample assembly, we can convert it into a controlled manufacturing build with labeled revisions, documented pinout, and the exact cable lengths your technicians need. Contact us for a Dupont cable assembly quote or for help deciding whether a more robust connector family is the better production path.

Common Questions

Dupont Cable FAQ

In practice, buyers usually mean 2.54mm jumper-wire style cable assemblies that mate with standard 0.1 inch pin headers. The term is used broadly in the electronics market, so we confirm housing style, gender, pin count, wire gauge, and pinout before production.

Yes. We build straight-through, crossed, mirrored, and branched harnesses. We verify every assembly against your pin map, wire list, or sample so the finished cable matches your board-to-board or module-to-module routing exactly.

They can be suitable for low-current, internal, and serviceable connections when retention force and environment are appropriate. For higher vibration, sealing, or current requirements, we usually recommend locking crimp systems such as JST, Molex, TE Connectivity, or sealed automotive connectors.

The fastest quote includes housing gender, circuit count, wire gauge, length, color sequence, pinout, quantity, and whether you need bundled sets, labels, or mating headers. A drawing, spreadsheet pin list, or sample cable all work well.

Yes. We perform 100% continuity and pinout verification on production lots. For programs with tighter requirements, we can also document pull-force checks, first-article inspection, and custom functional tests.

Need Custom Dupont Cable Assemblies?

Send your pinout, wire list, or sample cable and we will build a repeatable jumper harness for prototype or production use.