FFA.1S.304.CLAC47 & ERA.1S.304.CLN 4/5-Pin Self-Latching Connectors: First Batch Shipped to Turkey 2026 | S Series Case Study

A customer in Turkey recently placed their first batch order for push-pull connectors from the S Series after testing samples. The order included FFA.1S.304.CLAC47 and ERA.1S.304.CLN 4-pin pairs, along with FFA.1S.305.CLAC52 and ERA.1S.305.CLN 5-pin pairs — self-latching connectors with stepped half-moon inserts for precise alignment and polarization.

The Серия S self-latching connector family features stepped inserts (half-moon design) for connector alignment in multipole configurations. With compact 1S shell size, chrome-plated brass construction, and 360° EMC shielding, these push-pull connectors are ideal for medical, test and measurement, research, and communications applications where reliable self-latching and signal integrity are essential.

1. FFA.1S & ERA.1S Self-Latching Connector Specifications and Features

The S Series features a unique stepped insert (half-moon) polarization system for precise alignment of male and female contacts. The FFA.1S straight plug and ERA.1S fixed socket cover both plug and receptacle requirements in a compact 1S shell design.

1.1 Physical Specifications

  • Series: S Series (1S Shell Size)
  • Plug Model: FFA.1S Straight Plug with cable collet
  • Socket Model: ERA.1S Fixed Socket, nut fixing
  • Contact Counts: 4-pin (304) and 5-pin (305) configurations
  • Shell Material: Chrome-plated brass, corrosion-resistant
  • Insulator: PPS (Polyphenylene Sulfide), high-temperature rated
  • Contacts: Male (FFA plug) and female (ERA socket) solder contacts
  • Cable Diameter: Accommodates 1.3–8.5mm cable
  • Locking: Push-Pull self-latching system

1.2 Technical Feature Benefits

  • Stepped Insert (Half-Moon) Polarization: Unique alignment mechanism with male and female stepped inserts prevents mismating and ensures correct contact orientation
  • Push-Pull Self-Latching: Quick and secure one-hand connect/disconnect without twisting
  • 360° EMC Shielding: Full electromagnetic compatibility protection for sensitive signal transmission
  • High Packing Density: 2 to 6 contacts within the compact 1S shell for space-constrained equipment
  • Solder Contacts: Reliable termination for prototyping and small-to-medium production runs
  • Compact 1S Size: Ideal for portable instruments and devices with limited panel space

1.3 Models in This Order

  • FFA.1S.304.CLAC47: 4-pin straight plug with cable collet
  • ERA.1S.304.CLN: 4-pin fixed socket
  • FFA.1S.305.CLAC52: 5-pin straight plug with cable collet
  • ERA.1S.305.CLN: 5-pin fixed socket

2. Application: First Batch Order from Turkey

The Turkish customer sourced the 1S series connectors after evaluating samples for their application requirements. The FFA and ERA combination provides complete plug-and-socket pairs for 4-pin and 5-pin signal transmission needs.

2.1 Customer Requirements

  • Competitive Pricing: The customer specifically sought the lowest price without compromising on quality and reliability
  • Sample Validation: Samples were tested and approved before committing to the first batch order
  • Multiple Configurations: Both 4-pin and 5-pin variants needed for different product models
  • Self-Latching: Secure push-pull connection for quick equipment assembly and disassembly

2.2 Solution Delivered

  • Products: FFA.1S.304.CLAC47 & ERA.1S.304.CLN (4-pin pairs), FFA.1S.305.CLAC52 & ERA.1S.305.CLN (5-pin pairs)
  • Quality Assurance: Factory-tested for contact continuity, push-pull latching consistency, and dimensional accuracy
  • Sample Approval: Customer confirmed product quality and performance after sample testing
  • Shipping: First batch order shipped to Turkey after successful sample validation

2.3 Performance in Field

  • The stepped half-moon insert system ensures accurate polarization and prevents connector damage from mismating
  • Push-pull self-latching provides rapid connection and disconnection during equipment assembly and maintenance
  • 360° EMC shielding maintains signal integrity in electrically noisy industrial and laboratory environments

3. S Series Self-Latching Connector Family Overview

The Серия S self-latching connector is distinguished by its stepped insert (half-moon) polarization system, which incorporates male and female contact profiles for precise connector alignment. Available in shell sizes including 1S, the S Series offers 2 to 6 contacts in a compact, EMC-shielded push-pull design.

3.1 Series Characteristics

  • Shell Size: 1S (compact unipole/multipole form factor)
  • Contact Range: 2 to 6 contacts
  • Polarization: Stepped insert (half-moon) with male and female contact profiles
  • Shielding: 360° EMC screening across the full connector assembly
  • Locking: Push-Pull self-latching system
  • Termination: Solder contacts

3.2 Configuration Options

  • Plug Types: FFA.1S straight plug with cable collet
  • Socket Types: ERA.1S fixed socket, nut fixing
  • Contact Styles: Male and female solder contacts

3.3 Materials and Finishes

  • Shell: Chrome-plated brass, corrosion-resistant
  • Insulator: PPS high-temperature thermoplastic
  • Contacts: Gold-plated brass for low contact resistance

3.4 Customization Services

Spring Technology provides professional customization services for both push-pull connectors and cable assemblies, offering tailored solutions to meet your specific technical requirements. Customization options include:

  • Cable Assembly Integration: Pre-assembled connectors with overmolded cables, strain relief, and custom-length wiring — ideal for laboratory instruments and medical devices requiring reliable factory-tested assemblies.
  • Custom Contact Configurations: Specific plating thicknesses, alternative insulator materials, and non-standard pin configurations for application-specific demands.
  • Special Sealing & Coating: Enhanced environmental sealing for laboratory and industrial environments, chemical-resistant shell coatings, and custom keying for multi-connector systems.

4. Push-Pull Connector Applications & Market Outlook

Push-pull connectors have become indispensable across diverse industries, with their compact footprint, reliable self-latching mechanism, and EMC shielding making them a preferred choice for medical, research, and communications equipment worldwide.

4.1 Medical & Healthcare Applications

  • Patient Monitoring: Push-pull connectors for vital signs monitors, ECG leads, and telemetry devices
  • Diagnostic Imaging: Connector interfaces for MRI, CT scanners, and portable ultrasound systems

4.2 Test & Measurement Instrumentation

  • Laboratory Instruments: Signal generators, spectrometers, and analytical equipment requiring secure self-latching connections
  • Calibration Equipment: Precision measurement instruments with high-density connector interfaces

4.3 Industrial Automation & Machinery

  • Factory Automation: PLCs, sensors, and actuators with quick-disconnect capability for modular production lines
  • Robotics: Joint connectors, end-effector interfaces, and control system cabling

4.4 Telecommunications & Data

  • Communications Equipment: Base stations, broadcast systems, and signal distribution interfaces
  • Data Networks: Secure interconnection for networking hardware and communication devices

4.5 Emerging Applications

  • Research & Development: Custom connector configurations for prototype equipment and laboratory setups
  • Defense Electronics: Reliable connector solutions for field communication and signal processing systems

Conclusion: S Series Self-Latching Connectors for Turkish Customer’s First Batch Order

This first batch order of FFA.1S and ERA.1S push-pull connectors to Turkey demonstrates the value of the S Series self-latching connector for customers seeking cost-effective, reliable interconnection solutions. With stepped half-moon insert polarization, 360° EMC shielding, and 4/5-pin configurations, the S Series connector delivers the alignment precision and signal integrity that medical and test equipment manufacturers require. Spring Technology also provides professional customization services for both push-pull connectors and cable assemblies, offering tailored solutions to meet your specific technical requirements.

Spring Technology is a professional push-pull connector manufacturer integrating connector research and development, production and sales. With extensive experience in S Series self-latching connector designs, we supply reliable interconnection solutions to customers worldwide.

For more information about our S Series connectors or to discuss your requirements, contact us at [email protected] or [email protected], or visit our website.

Часто задаваемые вопросы (FAQ)

Q1: What is the difference between the S Series self-latching connector and other push-pull connector series?

The S Series is distinguished by its stepped insert (half-moon) polarization system, which uses male and female contact profiles for precise connector alignment. This design prevents mismating and ensures correct contact orientation, making it particularly suitable for applications requiring foolproof connector alignment.

Q2: What is the contact range for the 1S self-latching connector?

The 1S shell size supports 2 to 6 pin contacts. The FFA.1S.304.CLAC47 and ERA.1S.304.CLN are 4-pin configurations, while the FFA.1S.305.CLAC52 and ERA.1S.305.CLN are 5-pin variants. All contacts use gold-plated brass solder terminations for reliable conductivity.

Q3: Is the S Series self-latching connector compatible with other brands?

The S Series self-latching connector is designed with a standard push-pull interface and stepped insert polarization. While the push-pull form factor is similar to connectors from other manufacturers, the stepped insert system is a distinctive feature. Compatibility verification with technical drawings is recommended for cross-brand applications.

Q4: What applications is the 1S self-latching connector suitable for?

The 1S self-latching connector is widely used in medical equipment, test and measurement instruments, research laboratories, communications systems, and broadcast equipment. Its compact size, self-latching mechanism, and EMC shielding make it ideal for portable and benchtop devices requiring reliable signal connections.

Q5: What is the typical lead time for S Series self-latching connector orders?

Standard orders of FFA.1S and ERA.1S connectors typically ship within 7–15 working days, depending on quantity and contact configuration. Custom cable assembly or special plating options may require additional lead time. Contact [email protected] for current stock and delivery estimates.

Extended Reading

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For inquiries, contact [email protected] or [email protected]. Visit https://www.spring-connectors.com for more information.

FFA.1S.304.CLAC47 & ERA.1S.304.CLN
FFA.1S.305.CLAC52 & ERA.1S.305.CLN

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