Nicomatic Micro-Flex

Nicomatic Micro-flex

A very innovative new solution for Mil Aero Applications.

With more and more printed ink and flex pcb circuits being used in Mil/Aero applications, Nicomatic now offers Micro-Flex.

Overview

Thanks to their double know-how in both crimp connectors and CMM 2mm microconnector developments, Nicomatic has produced an innovative new connector/flex harness solution aimed at card-to-flex connections.

This new "two in one technology" ensures a high mechanical link and electrical continuity between 2mm pitch CMM micro-connectors and flat conductor Crimpflex technology (£A per crimp contact) and to MIL type relability standards.

One of the major advantages is a small 2mm pitch that allows the reduction of space, but there is also a lower weight feature that enables replacement of  the discrete wires and bulky cables still very present in avionics equipment. Nicomatic is able to reduce up to 30% weight with a solution that is thinner, lighter and more cost effective than a traditional cable.

 

Nicomatic microflex Nicomatic Micro-flex hand Nicomatic Micro-flex 2
 

Key Features

Features and benefits

Blue Bullet Board to board, board to wire with 4 to 60 contacts
Blue Bullet Mating with male CMM 220 cable or PCB micro connectors
Blue Bullet 2mm pitch contact, 2 rows
Blue Bullet Jackscrew fixing hardware
Blue Bullet Vibration resistance MIL-DTL-55302F level
Blue Bullet Multiple mounting options
Blue Bullet Saves up to 30% weight vs wire cables
Blue Bullet Secure interconnection: jackscrew fixing
Blue Bullet Vibration resistance for harsh environments
Blue Bullet Based on proven technologies: Crimpflex® & CMM
Blue Bullet Cost effective and short lead time

Specifications

Materials
Blue Bullet Crimping contact choice -
  F1= Tin plated
  F2= Gold plated Au 0.15μm
  F3= Gold plated Au 0.75μm
Blue Bullet Conductor - Tin plated copper
Blue Bullet Insulator - High temperature thermoplastic
Blue Bullet Contact - Phosphor bronze
Blue Bullet Housing - Thermoplastic with glass fibre Classified UL 94 V0 Black
Blue Bullet Cable - White polyester classified UL 2643 or 2690
Blue Bullet Jackscrew - Stainless steel
Blue Bullet Termination - Hard acid gold or tin/lead
Electrical
Blue Bullet Dielectric withstanding voltage - 900Vrms
Blue Bullet Rated voltage - 300Vrms
Blue Bullet Current
  Individual contact (in isolation)
  - at 25°C Tamb. 3.3A max.
  - at 85°C Tamb. 2.6A max.
  All contacts (simultaneously)
  - at 25°C Tamb. 3.0A max.
  - at 85°C Tamb. 2.2A max.
Blue Bullet Working Voltage - 240V d.c. or a.c peak
Blue Bullet Proof Voltage - 360V d.c. or a.c. peak
Blue Bullet Contact Resistance (after 50 cycles) - 15m Ω
Mechanical
Blue Bullet Mechanical operations - 500 min
Blue Bullet Insertion and withdrawal force (per contact) - 0.6N max. / 0.4N min
Blue Bullet Retention force in housing - 19N
Blue Bullet Tensile strength on cable - 50N
Blue Bullet Cable length from end to end (min. 60 mm)
Blue Bullet Shielding option available
Blue Bullet Mating with male CMM 220 (on pcb or cable)
Blue Bullet Left cable side :
  M16 = jackscrew fixing
  Other fixing upon request
Environmental (includes CMM220)
Blue Bullet Climatic category - 55/125/56
Blue Bullet Vibration severity (General) - 10Hz, 2000Hz 0.75mm/98m/Sz (10gn) duration 6h.
Blue Bullet Vibration severity (Additional) - 13.3Hz to 2000Hz random with superimposed sinusoids, duration 15 min each of 4 planes.
Blue Bullet No intermittancies measured when using an H.S.L.I. (High Speed Logic Interupt) detector with a trip threshold of 2nsBump severity - 390m/Sz (40gn) 4000 ± 10 bumps
Blue Bullet Shock severity - 981m/Sz (100gn), for 6msAcceleration severity - 490m/Sz (50gn)
Blue Bullet Operating temperature (flat cable) -
  Polyester cable - -55°C to +105°C
  PEN cable - -55°C to +200°C
  Polyimide cable - -60°C to +260°C
Blue Bullet High quality of Crimp : gas tight
Blue Bullet UL flame rating
  Housings UL94V0
  Cable UL2643/2690
Contact Arrangement
Blue Bullet From 04 to 60 contacts                                

Applications

Nicomatic Micro-flex 2This system is available in single or double rows of up to 60 contacts and with latching or stainless fixing hardware to ensure secure connection under high vibration environments.

Specialised polymide insulation tape materials can handle high temperature requirements to 125°C and above. The Microflex technology is a cost effective solution compared to other cable technologies and connection systems and offers the reliability required for MIL/Aero applications. Moreover, the assembly process is superior in terms of crimping and insertion speed.

Compared to crimping individual round wires, the crimping process that Nicomatic has developed is simultaneous for multiple contacts. The flat cable is crimped in one single operation and then the housing is assembled seperately. This beats the normal 'poke home' contact-by-contact insertion into the housing, which is a much slower process.

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