ERNI Electronics expanded its MicroSpeed high-speed connector family, introducing variants with three contact rows. The shielded connector family with 1 mm pitch enables high-speed data applications with up to 25 Gbps.
The new connectors are ideal for next-generation communication standards like Ethernet 100 Gbps (IEEE 802.3ba), Optical Internetworking Forum (OIF), USB 3.1 etc. Typical applications which will benefit are data communication and telecommunication, high-end computing, medical technology or industrial automation with high-speed transmissions and high data volumes.
The new three-row versions with SMT terminals provide a high contact density. The straight (180°) connectors are available with 75 and 192 pins (3 x 25 and 3 x 64) while requirements for additional pin numbers can be catered for also. To address a broad spectrum of applications the new connectors offer enhanced grounding and routing flexibility (single-ended and differential signalling).
The centre row can be assigned as a ground path, to reduce the row-to-row crosstalk between the two signal rows. Alternatively the centre row can be used for power feed (also via shielding blades). With the 180° variants the new MicroSpeed triple connectors are ideal for board-to-board connections (mezzanine) or board connection via flex PCBs.
Board-to-board distances of 5 mm (1 mm male and 4 mm female) can be realised. Shielding is optimised to achieve a significant reduction of coupling inductivity – interference emissions are minimised while the connectors provide outstanding interference resistance (immunity, EMC protection).
The frame design with polarised mating face and self-centring, 1,5 mm wipe length and the robust blind-mate design provide safe and reliable usage for industrial requirements. In addition the dual-beam female contact design offers excellent tolerance compensation.
The impedance matched (50/100 Ω) connectors are specified for the extended temperature range of -55°C to +125°C. The signal contacts feature SMT termination with coplanarity fully guaranteed and specified within 0,10 mm for all the contacts. The longitudinal pitch of 1 mm and row spacing of 1,5 mm permit horizontal and vertical arrangements of the differential pairs or single-ended signals, depending on the application and/or requirement with regard to crosstalk.
Optimum crosstalk behaviour can be achieved by means of special layout configurations, with ERNI providing support here in the form of field-tested suggestions. Corresponding test data are available upon request. Mating cycles beyond 500 are specified for the MicroSpeed connectors; their current carrying capacity is 1 A for the signal contacts and 10 A for the shielding.
MicroSpeed connectors are supplied in tape-on-reel packaging. Further design features for fully automatic assembly are black insulators from high-temperature-resistant LCP for rapid and reliable visual detection, in addition to a pre-mounted pick-and-place pad to facilitate gripping.
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