FK Series

2.1mm pitch branch/relay compatible crimp cable connector

The “FK series” is a 2.1mm pitch branch/relay compatible crimp cable connector ideal for applications that use a lot of sensors, such as manipulators and mounters.

Key Features

  • Branching and relay structure that allows current branching, which reduces the amount of wiring inside the device and contributes to making it smaller and lighter.
  • Partial removal is possible, which improves maintainability even when a malfunction occurs within the equipment.
  • Features a robust locking structure with audible "click".
  • To prevent damage, the locking section has a flat structure with no bumps on the locking surface.
  • Keying mechanism and markings for identifying mating help prevent incorrect insertion and improve workability.
  • Connector can be fixed in any position using a panel mount (suitable thickness: 0.8 mm to 1.5 mm) or cable tie (recommended width: 2.5 mm).
  • Two-point clamping contact prevents contact buckling, improving reliability with stable contact force.
  • Ideal for applications that use a lot of sensors, such as manipulators and mounters.

Specifications

Insulator Material Glass-filled PBT (UL94V-0), Black
Contact / Shell Material Copper alloy
Contact / Shell Finish Nickel-plated base
(Contact part) gold-plated finish
(Crimped part) Nickel plating
Rated Current *Refer to the Product Catalog as the connectors and cables to be used depend on number of contacts to energize, etc.
General rated voltage AC/DC250V
UL rated voltage AC/DC30V
Contact Resistance 20 mΩ max
Dielectric withstand voltage AC1000V, 5 minutes
Insulation Resistance 1,000 MΩ min. at 500 V DC
Operating Temperature Range -55℃ to +105℃
Insertion/Removal durability 50 times
Compatible cables AWG#22/24/26/28 (cable outer diameter of cable coating: Φ0.8 to 1.7 mm) discrete cable

Product List & Technical Data

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Part number No. of contacts Pitch Type RoHS Recommended Cable Other features Product drawing Specification 3D-CAD (IGS) 3D-CAD (STEP)
CH-20 crimping tool Compliant Suitable For Awg#22; 28 (cable Coating Outer Diameter: Φ1.1~1.7mm) View Ask Download Download
#696 2.1mm connector Compliant AWG#22 Contact For Fk01-□□-□; 28 (cable Coating Outer Diameter: Φ0.8~1.7mm) View View Download Download
FK11-07 7 2.1mm plug Compliant AWG#22 28) View View Download Download
FK11-05 5 2.1mm plug (branch/relay connector) Compliant AWG#22 28) View View Download Download
FK01-07-C 7 2.1mm receptacle (cable side connector) Compliant AWG#22 28); Stamped (c) View View Download Download
FK01-07-B 7 2.1mm receptacle (cable side connector) Compliant AWG#22 28); Marking (b) View View Download Download
FK01-07-A 7 2.1mm receptacle (cable side connector) Compliant AWG#22 28); Marking (a) View View Download Download
FK01-05-C 5 2.1mm receptacle (cable side connector) Compliant AWG#22 28); Stamped (c) View View Download Download
FK01-05-B 5 2.1mm receptacle (cable side connector) Compliant AWG#22 28); Marking (b) View View Download Download
FK01-05-A 5 2.1mm receptacle (cable side connector) Compliant AWG#22 28); Marking (a) View View Download Download

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Why KEL

Flexible Customization & Consultation

Flexible Customization & Consultation

Renowned for industry-leading expertise in floating connectors, we can assist you through the entire process of creating custom solutions. We have many years of experience in connector peripheral development, design, and manufacturing.

Top-Quality Products Made in Japan

Top-Quality Products Made in Japan

A fully automated production line for floating connectors is now in operation with a Class 100,000 cleanroom at our plant located in Japan’s Yamanashi Prefecture.

ISO & IATF Certified

ISO & IATF Certified

We are ISO9001/14001 and IATF16949 certified and registered.

Custom Solutions

Custom Solutions

With technology cultivated over 60 years, we pursue miniature, reliable and high functionality

Transmission Simulation

Transmission Simulation Data

Our development department can replicate similar customer conditions and provide you with accurate simulation data.