"FuzzProbe" Item discontinued, please contact factory A new probe that encases Fuzz Button and Hardhat assembly in a plastic housing making it easier to replace electrical contact components from test socket. No removal of test socket from PCB is nessesary.

Fuzz Button Contacts A standard Fuzz Button contact is a small electrical contact element manufactured from a single strand of fine gold plated Beryllium copper wire, which is die compressed into a cylindrical form. The resulting object is a solderless wire mass which exhibits excellent spring characteristics and electrical performance when compressed nominally 20% from its original length. High electrical performance characteristics are achieved from high current DC to microwave frequencies. Standard available diameters are .015", .020", .030" and .040", with lengths available for aspect ratios of 8 to 1 (length to diameter).

Hardhat Contact Pins "Hardhat" contact pins are miniature gold plated Beryllium copper pins utilized in conjunction with Fuzz Buttons to contact electrical pads or device leads. Typically, four point crown tipped hardhats are utilized to contact BGA solderballs, and serrated tipped Hardhats are utilized to contact the flat pads on an LGA device. Custom pins and tip styles, including concave, bullet nosed, or pointed tips are available upon request.

Test Sockets Custom Interconnects offers a variety of Hand Test Sockets geared for device characterization and laboratory test environments, as well as Production Test Sockets for automated test applications. All Custom Interconnects test sockets are designed to provide maximum electrical performance, with high repeatability. Utilizing Fuzz Button Technology, these custom sockets are provided for BGA, LGA, MLF, CSP, PGA, QFP, SOIC, TSSOP as well as other leaded and leadless packages. Custom Interconnect's sockets offer solderless, interconnection between IC packages and test printed circuit boards. Our test sockets are targeted toward high-speed test applications to ensure reduced signal distortion, and virtually invisible interconnection.

Accessories Hand Test Clamp Overview Fuzz Button/Hardhat Replacement Kits Custom Interconnects offers several hand test clamp styles to meet individual needs. The most economical hand test clamp is our standard spring version for packages with less than 200 leads. Our high-pressure hand test clamp, with an adjustable height feature, is designed for high pin count devices, up to 2000 I/O's. Our Cam-Lock hand test clamp, designed for minimum hand motions, is our most ergonomic design to 1000 I/O's. Other custom style clamps are available for smaller devices, with a low number of I/O's less than 100.

Coaxial / RF Connectors Custom Interconnects manufactures custom high frequency coaxial and RF connectors utilizing FUZZ BUTTON TECHNOLOGY. Typical designs can incorporate a single or multiple Fuzz Buttons of known diameter, acting as a center conductor, located within a known diameter of Teflon dielectric. This Teflon/Fuzz Button combination is press fit into a conductive grounding medium, typically aluminum, resulting in an electrical connection of known impedance. Connections designed in this manner have been tested to frequencies above 20 GHz, with negligible loss and/or signal distortion.

Insulated Aluminum Test Sockets For more information contact Sales and Marketing Manager at Custom Interconnects

Custom Board to Board Interposers Custom interposers are machined or injection molded plastic carriers with Fuzz Buttons located in all required interconnection locations. The interposers can have minimum contact pitches to 0.5 mm (.0197") with varying Fuzz Button diameters as required. They can also be supplied with or without Hardhats depending on the type of contact surface or the number of insertions required. Click here to enlarge Photo

Custom Machined Connectors, Parts & Sockets Custom Interconnects's expertise lies in our ability to design and manufacture interconnects that most other manufacturers shy away from. With a talented engineering and manufacturing staff, our ability to manufacture custom connectors to solve complex tolerance problems and design issues is well documented. Do not hesitate to submit your most difficult interconnection problem for a free analysis. Our motto remains "The difficult we do every day, the impossible takes just a bit longer".