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    ept Product News

    High-Speed PCB Connectors for Extended Environmental Requirements

    Peiting, June 2017
    Colibri SMT connectors with thicker gold plating

    ept Colibri SMT connectors are now optionally available with a thicker gold coating

    ept’s Colibri PCB connectors, which have a pitch of 0.5 mm, are a reliable choice in COM express and high-speed applications up to 10 Gbps. In response to customer demand, these high-speed connectors are now also available as a Heavy Au version for deployment in challenging environments. A contact coating of 0.76 µm gold ensures reliable contacting and excellent signal integrity even under challenging conditions such as shocks, vibration, and other environmental stresses. Thanks to the thicker gold layer, the operating temperature range is extended to -40°C to +125°C.

    The contact design, which is optimized for high data transfer rates, means that the Heavy Au version of the Colibri connector achieves data rates up to 10 Gbps and beyond, all the while maintaining great signal integrity. This has been proven by signal integrity tests carried out by the Fraunhofer Institute. The testers compared the Colibri® connectors to compatible SMT connectors from other manufacturers and also tested the two connector types in combination, achieving excellent results in each scenario. The Colibri Heavy Au 0.5 mm-pitch SMT connectors are available for board-to-board distances of 5 mm and 8 mm. Both the plugs and receptacles of the Colibri range are available for pin counts of 40, 80, 120, 160, 200, and 220. There also is a 440-pin version, which is made up of two 220-pin plugs or receptacles held together by a soldering frame. This facilitates more accurate positioning of the connectors on the PCB - which, just like the tape-and-reel packaging, is perfect for fully automated assembly

    to the Colibri Connectors

    Stacking of PCBs with Differing Distances

    Peiting, May 2017
    PCB stacking with differing distances using One27 connectorswipe length of One27 SMT connectors

    Electronic developers are frequently tasked with adapting parallel PCB connections to a wide range of spatial requirements. With ept’s One27® SMT PCB connector, which has a pitch of 1.27 mm, the distance between any two stacked PCBs is variable by up to 5.8 mm. This flexibility is provided by two factors: On the one hand, both the male and female connectors are available in low-profile and mid-profile sizes. On the other hand, the profiles can be freely combined, which means the board-to-board distance can be as low as 8 mm and as high as 13.8 mm.

    This wide range is made possible by the wide secure-mating distance of the One27® connectors. The connection between any male and female connector remains secure up to a distance of 1.5 mm. Secure mating between the male connector’s contact pin and the dual beam contact of the female connector is ensured by the remaining 0.9 mm of contact distance. The maximum achievable board-to-board distance when using a mid-profile male connector with a mid-profile female connector is therefore 13.8 mm. On the other hand, when a low-profile male connector is plugged all the way into a low-profile female connector, the board-to-board distance is only 8 mm.

    Thanks to right-angle male and female connectors, the One27® SMT connection system can also be used to create right-angle and horizontal PCB layouts. In addition, IDC male connectors make it possible to connect ribbon cables to the PCB. All connectors from the One27® range are available with pin counts of 12, 16, 20, 26, 32, 40, 50, 68, and 80. The connectors have been demonstrated to be fully compatible with common 1.27 mm-pitch SMT connectors from other manufacturers.

    to the One27 SMT Connectors

    High-speed SMT Connectors now available in additional Pin Count Options

    Peiting, March 2017
    The Colibri High-Speed-SMT-Connector System is available in 40 to 440 pins and with board-to-board-distances of 5 and 8 mm.

    Effective immediately, all versions of the Colibri® high-speed connectors with a pitch of 0.5 mm are now also available with the pin counts 40, 80, 120, 160, and 200.

    The original pin count versions, 220 and 440, have already proven their merit in terms of performance and contact design in COM Express applications. Having five more pin count options to choose from now provides hardware developers with more opportunities to optimally adapt the heights and pin counts of the necessary board-to-board connections in keeping with the relevant high-speed application. The new Colibri connectors with 40 to 200 pins also feature optimized contact design that enables data transfer rates of up to 10 Gbps, as well as additional benefits. As such, they are ideal for PCI Express Gen3 applications with 8 Gbps or 10 Gbps Ethernet (10GBase-KR). S-parameters are available on request from ept for use in simulating your proprietary designs.

    The entire Colibri® connector series, including the new pin count options, impresses with extremely robust design and a high degree of versatility. All of the pin count options are available for a board-to-board distance of 5 or 8 mm, thereby guaranteeing maximum flexibility in designing circuit board connections. All Colibri connectors are shipped in tape-and-reel packaging, making fully automatic processing easier.

    Meet ept at embeddedworld:
    Hall A3, Booth 141

    Representative at the booth: Wolfgang Schmid, Product Manager at ept


    • for applications with 10+ Gbit/s
    • available with 40, 80, 120, 160, 200, 220 and 440 pins
    • meets the requirements of PICMG COM Express® and SFF-SIG CoreExpress®
    • intermatability with available connectors in the market
    • robust connector design
    • integrated Pick & Place area
    • packed in Tape & Reel

    to Colibri-Connectors

    Highspeed PCB Connectors for COM Express Pinout Type 7

    Peiting, February 2017
    The 440-pin version of the Colibri® COM Express® connector placed on a Compact Module.Colibri connectors tested at 10 Gbps

    The 3.0 release of the successful COM Express computer-on-module standard includes a new pinout type. This enables a faster data transfer rate of up to 10 Gbps, thereby expanding the applicability of COM Express in terms of server applications. Of course, the PCB connectors required to connect the baseboard and the COM module need to meet these increased requirements.
    Unlike the type 6 pinout, the new type 7 pinout does not include any audio or video interfaces. As such, it does not represent a substitute for type 6; instead, it expands the range of COM Express applications in terms of server applications. The audio and video interfaces on the previous pinout type have been replaced with four 10 GB Ethernet KR lanes and 32 PCI Express lanes to increase the data transfer rate. These new features are relevant for use in video on demand in the telecom segment, for example, as well as medical or security technology applications.

    These areas of application require reliable PCB connectors, which are essential for securely connecting the baseboard with the COM module and guaranteeing high data transfer rates of up to 10 Gbps. Colibri® connectors from ept are perfectly suited for achieving these high data transfer rates – they feature optimized contact design and deliver first-rate signal integrity, even at 10 Gbps and higher. They are therefore ideally suited for PCI Express Gen3 applications with 8 Gbps or 10 Gbps Ethernet (10GBase-KR); the pinout type 7, among other features, is designed for this. S-parameters are available on request from ept for use in simulating your proprietary designs.

    The Colibri® connector series with a pitch of 0.5 mm impresses with extremely robust design and a high degree of versatility. Both 220-pin and 440-pin versions for board-to-board distances of 5 and 8 mm are available. Colibri® products are compatible with all popular connector systems on the market. This has been proven by signal integrity tests carried out by the Fraunhofer Institute. The testers compared Colibri® connectors to other COM Express connectors and also tested the two connector types in combination, achieving excellent results in each scenario.

    ept is an active member of the COM Express Workgroup for COM Express 3.0.

    Key Features:

    • for applications with 10+ Gbps
    • meets PICMG COM Express® and SFF-SIG CoreExpress® requirements
    • compatible with all popular connectors
    • robust connector design
    • integrated pick-and-place area
    • packed in tape and reel

    show Colibri COM Express Connectors

    Compact and Sturdy SMT PCB Connections with a Pitch of 1.27 mm

    Peiting, September 2016
    PCBs can be reliably connected with one another in a wide variety of ways using the One27® SMT connectors

    Assemblies can be designed with more flexibility thanks to a variety of model heights, up to 80 pins, and various connection options

    Is it possible to connect PCBs safely and reliably to one another, keeping space requirements to a minimum? It is, with the One27® SMT PCB connectors from ept. But there’s more: With a pitch of only 1.27 mm, they can be used to connect PCBs mezzanine, horizontally board-to-board or perpendicularly. You can use the female One27® IDC connectors for sturdy board-to-cable applications. With all of these options, the One27® connectors are proven to be compatible with all currently available SMT connectors with a pitch of 1.27 mm from other manufacturers.

    When designing assemblies, the board-to-board distances need to be designed to be variable in order to provide maximum flexibility. Parallel PCB connections with distances ranging from 8 mm to 13.8 mm can be implemented with the One27® connectors thanks to their absolutely secure mating. To this end, the straight connectors (male and female) are available as either mid-profile or low profile. The angled One27® connectors (male and female) can be used for perpendicular or horizontal PCB arrangements. Ribbon cables can be connected to the PCB using the female IDC connectors. Just like all connectors from the One27® product family, female IDC connectors are available with pin counts ranging from 12, 16, 20, 26, 32, 40, 50, 68, to 80 pins. ept will deliver them individually or as a customized cable assembly.
    For optimal handling, ept guarantees that the deviation from coplanarity is only 0.1 mm. For this reason, it is unbelievably easy and safe to solder. Board locks, i.e., lateral metal brackets, that are also soldered onto the PCB ensure that the connectors can withstand heavy load capacity between the connector and the PCB. After soldering, the quality of the solder can be checked using AOI from only one side when using angled One27® connectors, thanks to the offset arrangement of the optimized contact design. The PCB connectors are shipped in tape-and-reel packaging to facilitate automatic SMT assembly.

    It is also easy and safe to connect the One27® SMT connectors thanks to the large capture range: The permissible center offset is 0.7 mm along both the longitudinal and the transversal axis. The tolerance for angular inclination is 4° longitudinally and 2° transversally, which means the connection between the male and female connectors is particularly reliable. This is ensured by the double-sided female contacts on the female connector, which envelops the contact pins of the male connector from two sides, ensuring a safe connection in any application. Moreover, the connector is plugged on the smooth, rolled surface of the female contact. Excessive wear and tear of the contact surfaces and shavings become a thing of the past when using the One27® connectors for plugging applications.

    Key Features:

    • 12 to 80 pins
    • 1.4 A operational current
    • 500 mating cycles
    • reliable contact
    • tested compatibility with other suppliers
    • female IDC seperately or preassembled with a cable available
    • packed in Tape & Reel

    show One27 SMT Connectors

    Guaranteed Long-term Availability of 2.54 mm Pin Headers and Female Sockets

    Peiting, April 2016
    2.54 mm Pin Headers and Female Sockets

    The connector specialist ept guarantees to its customers the long-term availability of VarPol pin headers and female sockets with a pitch of 2.54 mm. For years, hardware developers have sworn by the product, which allows you to reliably and flexibly connect circuit boards together or connect a cable to a circuit board.

    VarPol pin headers and female sockets from ept offer endless possibilities. They are available in a single- or double-row design and the number of pins can be customized from 2 to 108 contacts. All sockets are carefully designed, allowing for seamless connection. A wide range of termination lengths of up to 25 mm make it possible to stack circuit boards with board-to-board distances from 11.45 mm to 35.45 mm. Furthermore, the pin headers are also available in a right-angle design that allows for perpendicular connections in addition to parallel ones. Finally, all VarPol products come with a choice of two performance levels that guarantee a durability of either 50 or 250 mating cycles.

    A further advantage is how easy and inexpensive it is to process the press-fit technology. The pin headers and female sockets feature the tried and tested Tcom press® press-fit system, which allows them to be pressed without soldering. Press-fitting results in a gas-tight and vibration-resistant connection, which in turn allows you to connect VarPol products to optimal circuit-board connectors for reliable mechanical and electrical connections even in harsh environments. ept offers the right tools that make it remarkably easy to carry out the press-fitting reliably. Additional guiding systems support stable contact management when dealing with larger board-to-board distances and facilitate optimal stability during press-fitting.

    Key Features:

    • a large selection of contact lengths and termination lengths
    • a choice of performance levels: 50 and 250 mating cycles
    • sockets can be joined end-to-end
    • simple and inexpensive processing
    • Tcom press® press-fit zone

    show VarPol Pin Headers and Female Sockets

    COM Express connector system Colibri® for 10+ Gbit/s applications

    Peiting, Januar 2016
    Signal integrity at 10 Gbit/s, eyediagram

    Are you looking to speed up your COM Express application? Colibri® connectors from ept deliver first-rate signal integrity even at 10 Gbps, making the COM Express connector system the top choice for your applications at these speeds and higher. They are ideal for PCI Express Gen3 applications with 8 Gbps or 10 Gbps Ethernet (10GBase-KR). S-parameters are available on request from ept for use in simulating your proprietary designs.
    The Colibri® connector system stands out due to its rugged design and flexible usability. Both 220-pin and 440-pin versions for board-to-board distances of 5 and 8 mm are available. Colibri® is a double-row connector system consisting of a plug and a receptacle, each of which has a pitch dimension of 0.5 millimeters. They are processed using SMT technology, in other words, soldered directly on the circuit board. Colibri® single connectors feature 220 pins. The 440-pins version consists of two 220-pins Colibri® connectors which are held together through an assembling frame. The frame guarantees an exact positioning of the two connectors according to COM Express specifications and has to be removed after soldering.
    ept gives its customers additional flexibility by offering Colibri® products that are compatible with all common connectors available on the market. The compatibility is proved by signal integrity tests performed by the Fraunhofer Institute, where Colibri® connectors reached excellent results - in comparison as well as in connection with other COM Express connectors.
    Colibri connectors from ept meet all requirements of the PICMG COM Express®, SFF-SIG Core Express® and nanoETXexpress standards. They are delivered in Tape and Reel to facilitate fully automated processing.

    Key Features:

    • meets PICMG COM Express® and SFF-SIG CoreExpress® requirements
    • compatible with all popular connectors
    • for applications with 10+ Gbps
    • robust connector design
    • integrated pick-and-place area
    • packed in tape and reel

    show Colibri COM Express Connectors

    Colibri COM Express Connectors at

    COM Express connector system Colibri®: 5 mm version available

    Peiting, November 2014
    COM Express connector system Colibri

    After adding a 440-pins version to the COM Express connector system Colibri®, ept now releases the Colibri Plug for 5 mm board-to-board distance. As well as the 8 mm version this one, too, is available with 220 or 440 pins.

    Key Features:

    • for 5 mm board-to-board distance
    • 220 contacts
    • termination SMT
    • pitch 0.5 mm
    • data transfer rate 5 Gbit/s

    show product

    Permanent Press-Fit Board-to-Board Connector

    Peiting, January 2015

    ept is introducing a new board-to-board connector range based on the press-fit system: flexilinkb-t-b connectors provide high-quality, non-pluggable connections between PCBs at a pitch of 2.54 mm, making use of the successful 'Tcom press' press-fit system. The advantages of this are evident - a reliable mechanical as well as electrical board-to-board connection is created using just a single part. There is no need for any spacers, which not only saves on PCB real estate but also reduces costs. Developers are free to pick board-to-board distances ranging from 5 to 25 mm. The connector provides 1 to 3 rows with a versatile 2 to 90 contacts each. The flexilinkb-t-b board-to-board connectors provide excellent stability when deployed in environments subject to mechanical stresses such as shocks and vibration, in addition to offering high flexibility. One of the best uses for flexilinkb-t-b connectors is right at the end of the assembly sequence - attaching the modules to the base PCBs easily and without requiring any soldering.

    Key Features:

    • reliable mechanical and electrical connection
    • space & cost saving
    • only one element for one connection
    • individual board-to-board distance possible
    • press-fit zone Tcom press®

    show Board-to-Board Connectors



    ept GmbH

    + 49 (0) 8861 / 2501 0
    + 49 (0) 8861 / 5507
    Bergwerkstr. 50
    86971 Peiting, GERMANY


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