SPIDER Automation | 2.54mm DC3 20-Pin Straight Female IDC Socket Connector | Multi-Conductor Ribbon Cable Interface
The 2.54mm DC3 20-Pin Straight Female IDC Socket Connector is designed to provide a consolidated electrical connection for multi-conductor ribbon-cable assemblies and compatible IDC transition interfaces. Its 20-contact arrangement allows multiple electrical paths to be connected through one compact socket rather than terminating each conductor as an independent connection. This is useful in electronic equipment and industrial control assemblies where organised multi-wire interconnection supports cleaner wiring layouts and more convenient equipment servicing.
The connector uses brass contacts with nickel plating housed in a black insulating body specified to UL94V-0. Its straight female configuration is intended to mate with a compatible male connector, while the IDC connection system is designed to establish electrical contact with suitable ribbon-cable conductors through insulation displacement. The specified current-handling capacity is 3A, with an operating temperature range of −40°C to +105°C. Correct cable construction, mating compatibility and circuit ratings should be checked before installation.
Product Overview & IDC Connection Technology
Insulation Displacement Connection (IDC) technology is used to terminate compatible insulated conductors without first stripping each wire individually. The connector’s contact elements engage the conductor through its insulation to establish an electrical connection. In ribbon-cable applications, multiple conductors can be terminated in an organised arrangement, reducing the number of separate wire-preparation and connection operations compared with individual point-to-point wiring.
The 20-pin female socket provides a single mating interface for the corresponding 20-position male connector. This arrangement is useful in systems where a cable assembly must connect or disconnect as one unit, such as between a circuit board and a control or interface module. It can also simplify replacement procedures when a compatible pre-terminated cable assembly is used.
Contact Construction & Mechanical Configuration
- Brass Contact Material: The conductive contact elements use brass, providing the metal contact structure for the connector’s electrical paths.
- Nickel-Plated Contact Finish: Nickel plating is specified on the terminals and forms the contact surface finish.
- 20-Position Arrangement: Provides twenty individual contact positions within one female socket body for multi-conductor interconnection.
- Straight Female Configuration: Provides a straight socket interface designed to mate with a corresponding compatible male connector.
- IDC Termination: Supports insulation-displacement connection to compatible insulated ribbon-cable conductors.
- UL94V-0 Insulating Housing: The black plastic housing carries a UL94V-0 flammability classification.
- Compact Connector Body: The stated 30 × 7 × 16mm dimensions define the connector’s overall length, width and height for mechanical layout consideration.
Electrical Characteristics & Operating Conditions
The connector is specified for a 3A current-handling capacity. This rating should be considered in relation to the conductor size, cable construction, contact conditions, circuit loading and thermal environment of the complete assembly. The connector’s 20 contact positions do not imply that every contact can necessarily carry 3A simultaneously under all installation conditions.
The stated operating temperature range of −40°C to +105°C provides a broad component-selection range for equipment exposed to varying ambient temperatures. The connector’s UL94V-0 housing classification describes the flammability performance of the insulating material under the applicable test method; it should not be interpreted as an IP rating or protection against dust, moisture or chemical exposure.
Applications
The DC3 20-pin female IDC socket is suited to multi-conductor interconnection requirements where a compatible IDC cable and mating connector are used. Typical applications include:
- Industrial Control Wiring: Connecting multi-wire signal or control interfaces between compatible electronic boards and equipment modules.
- Ribbon Cable Assemblies: Terminating compatible 20-conductor ribbon cables for organised multi-signal routing.
- PCB-to-Cable Interconnection: Connecting a circuit-board interface to a cable assembly through a compatible male transition connector.
- Control and Interface Modules: Consolidating multiple signal connections between control boards and associated electronic modules.
- Electronic Equipment Assembly: Providing a multi-contact connection point during equipment wiring and integration.
- Instrumentation Systems: Routing multiple signal lines between compatible measurement, display and interface sections.
- Equipment Maintenance: Supporting connector-based cable replacement where the mating interface and wiring arrangement are compatible.
- Electronic Test Assemblies: Connecting multi-conductor cable harnesses to compatible test or interface boards.
- Automation Equipment: Providing organised signal interconnection between compatible control electronics and peripheral assemblies.
Package Includes
- 5 × 2.54mm DC3 20-Pin Straight Female IDC Socket Connectors
Product Specifications
| Parameter | Specification |
|---|---|
| Product Type | IDC Socket Connector |
| Connector Series / Format | DC3, 2.54mm configuration |
| Connector Technology | Insulation Displacement Connection (IDC) |
| Gender | Female |
| Connector Orientation | Straight |
| Number of Contact Points | 20 |
| Current Handling Capacity | 3A |
| Contact Material | Brass |
| Contact Plating | Nickel |
| Housing Material | Plastic |
| Flammability Rating | UL94V-0 |
| Colour | Black |
| Operating Temperature | −40°C to +105°C |
| Length | 30mm |
| Width | 7mm |
| Height | 16mm |
| Approximate Weight | 1g per connector |
| Package Quantity | 5 pieces |
Connection & Operating Recommendations
- Confirm Mating Compatibility: Match the socket with the correct DC3 male connector or transition interface. Verify the 20-position arrangement, pitch and mating geometry before assembly.
- Select the Correct Ribbon Cable: Use a cable compatible with the IDC contact design, conductor spacing, conductor dimensions and connector termination method.
- Align Conductors Before Termination: Position the ribbon cable evenly so that each conductor aligns with its corresponding IDC contact. Incorrect alignment can result in open circuits or unintended connections.
- Use Suitable Termination Tooling: Apply an IDC insertion or termination tool appropriate for the connector geometry. Avoid uneven pressure or improvised tools that may deform the housing or contact elements.
- Check Pin-One Orientation: Establish the connector’s orientation and pin numbering before wiring. Confirm the cable conductor order against the equipment schematic to prevent reversed or displaced signals.
- Verify Current Requirements: Keep the circuit within the specified 3A current-handling capacity and consider the actual cable, contact loading and thermal conditions of the complete connection.
- Inspect the Termination: Check that the cable is evenly seated and that the IDC contacts have engaged the intended conductors. Perform continuity checks before connecting the assembly to powered equipment.
- Provide Cable Support: Secure the cable harness so that pulling, vibration or repeated movement does not transfer excessive mechanical load to the connector.
- Maintain a Suitable Environment: Although the housing has a UL94V-0 flammability classification, the connector should be installed within the environmental limits of the complete assembly. Do not treat the housing classification as dustproof or waterproof protection.
- Replace Damaged Components: Inspect the housing, contacts and cable termination during maintenance. Replace connectors showing cracked housings, deformed contacts or unreliable electrical continuity.
