ELCO History of FFC/FPC - AVX

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History of FFC/FPCCONTACT DESIGNIn keeping pace with FFC/FPC Technology, Elcohas developed two different contact geometrics toguarantee reliable gas tight connections. The standardcontact, which is available in all series, was designedto mate with all copper based FFC/FPC. This initialcontact system proved to be too damaging to thesofter carbon silver paste. In 1985, Elco introducedthe first contact specifically designed for thisapplication. Incorporating a radiused point, this newcontact provides the reliability needed to meet today’smechanical and environmental environments.STANDARD CONDUCTORC/Ag CONDUCTORCONNECTOR TERMINOLOGYZIF (Zero Insertion Force)This connector style allows the highest possiblenumber of mating cycles (30) for FFC/FPC. Thisconnector incorporates a mechanical slidermechanism which snaps down over the cable after itis inserted into the insulator body.LIF (Low Insertion Force) / NON ZIFThis style is the most cost effective FFC/FPCconnector while still providing reliability. Theprepared cable is gently pressed into the insulatorslot. There are no moving parts, however, maximumdurability is 10 mating cycles.FUNCTIONAL COMPARISON OF ZIF AND LIFDurability Reliability Cost SizeZIF Better Better Good GoodLIF Good Good Better BetterPCB TERMINATION STYLETHROUGH HOLESURFACE MOUNTRight Angle Straight Right Angle Straight3 ELCO
History of FFC/FPCPLACEMENT FEATURESThese help to position the connector on theprinted circuit board and provide mechanicalsupport, especially in SMT applications.KINKED LEGSMETAL TAB / STRAIN RELIEFMOUNTING BOSSCONTACT ORIENTATIONDual Sided Contacts (LIF Only): Cableorientation is not as critical.Single Sided Contacts (Includes Top andBottom): This style requires the FFC/FPC to beinserted into the insulator where by the exposedcopper matches with the contact.Choosing the correct connector eliminates flipping theFFC/FPC 180°. EXAMPLES:Bottom TopContact Contact1.00mm ZIF 6200 62240.50mm ZIF 6210 62120.50mm LIF 6222 6223DUAL SIDEDSINGLE SIDED-BOTTOM CONTACTFUNCTIONAL COMPARISON OF DUAL AND SINGLE SIDED LIF CONTACTSDurability Reliability Cost OrientationDual Good Better Good NoneSingle Better Good Better YesELCO4
Page 1: History of FFC/FPCIn the 1970’s,

ELCO History of FFC/FPC - AVX

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