Interface Solutions for Automotive and Power

Delivering reliable solutions supporting the stringent quality requirements of “Zero Defects”.

Industry-leading high current/voltage Kelvin solutions for xEV applications with steep signal rise/fall times, and outstanding lifespan by innovative contact material and coatings.


Device Requirements


  • High current
  • High voltage
  • RDSON
  • Tri-temp
  • Power delivery, high frequency


Contactor Requirements


  • Kelvin capability
  • High current (500 A)
  • High contact force (70 g) & wipe
  • Minimum cleaning intervals (100 K cycles)
  • Multisite testing (16x)
  • Enhanced temperature performance from -60°C to 200°C


Applications


  • LED drivers
  • Microcontrollers
  • MOSFETs
  • Motor drivers
  • Power management ICs
  • Voltage regulators

Test Contactor (Socket) / Probe Head Solutions


For leaded and leadless devices down to 0.3 mm x 0.6 mm

Compact multi-beam pin structure for high density system integration on turret handlers with side-by-side design for very small pad sizes.,

cHybrid Kelvin contactor contains a new and unique contact spring architecture which allows the test socket to adapt to challenging IC pad geometry requirements of todays and future small package types. Great lifetime up to 3 million touchdowns, with best-in-class contact resistance repeatability reduces cost of test significantly. A multibeam contact structure optimizes signal integrity and current capability according to challenging electrical test requirements.

cHybrid Kelvin contactor with multibeam contact spring architecture delivers improved yield and long life which minimizing cleaning cycles. This innovative solution will help customers reduce cost and maximize productivity.

High performance kelvin contact for high volume production test

cPython Kelvin contactors and probe heads provide superior electrical and thermal performance with significant cost savings. This makes cPython Kelvin ideal for lab and high-volume production test of analog and mixed signal integrated circuits – for applications such as power control, A-D and D-A converters, audio, video, power amplifiers, photonics, optical MEMS and sensors.

cPython Kelvin probes are electrically isolated and mechanically independent force and sense paths for true Kelvin contact for taking accurate measurements, even under high current conditions. These robust probes provide hundreds of thousands of insertions or touchdowns, and a bandwidth up to 26 GHz.  cPython Kelvin probes can land on 0.4 mm pitch targets, and their tip spacing is 90 µm to land on small targets. cPython probes are available with homogeneous tips to optimize performance.

Custom Probes and Test Contactor Solutions up to 60 GHz

Our E-Series® probes offer a comprehensive portfolio designed for versatile testing applications—from bare boards to surface mount assemblies and more. Whether you need off-the-shelf options or fully customized solutions, we deliver performance, reliability, and value.

Providing test probe solutions, probe customization services and failure analysis capability are part of our core competencies.

Common Test Height Probe Production Line.

Engineered for excellence and efficiency, HYDRA™ Series spring probe series offers precision, reliability, and standardized semiconductor test interface. Designed to be best-in-class at a competitive price point, Hydra is optimized to maximize your operational efficiency. HYDRA is built to withstand demanding high-volume manufacturing test environments with its robust and durable design. With a common test-height, HYDRA offers the ability to mix and match power, RF, and Kelvin probes within the same test socket. In addition, HYDRA streamlines inventory management with fewer probe part numbers to manage and shorter lead times.

Lowest COT for next-generation 5G mmWave FR2 up to 54+ GHz

HYDRA RF utilizes robust spring probe technology for testing singulated packages or probe heads for wafer probe (bumped/pad) applications with fine pitch and WLCSP compatibility – ranging from 150 µm to 650 µm, covering the majority of 5G devices.

HYDRA RF features a stainless-steel spring for tri-temp testing and performance in operating temperatures -55°C to +155°C.

Broadband Production Solution for cmWave and mmWave up to 100 GHz

The HYDRA xW contactor utilizes patented hybrid contacting technology to optimize RF performance and provide robustness for production testing of the most challenging cmWave and mmWave devices. Inside the HYDRA xW contactor are embedded patch antennas and coplanar waveguides for both wireless and wired communication.

In addition to wireless communication HYDRA xW contactors minimize the number of transitions between the DUT and tester through the use of co-planar waveguide structures that make direct connection with the DUT, bypass the PCB, and connect to the tester with either coaxial cable or waveguides.

Ideal for multisite testing of analog and smart power devices requiring kelvin

Reduced site to site pitch concept enables high parallel test for power applications on strip-test and pick and place handler platforms

Providing Exceptional Lifetime for Discrete Contacting

MAXOR cCruiser™ Kelvin contactor was designed with cost of test optimization in mind, boasting a cantilever design that allows the testing of challenging discrete ICs and small logic package types. Providing a best-in-class proven lifespan of up to 5 million touchdowns increasing handler uptime. MAXOR cCruiser reduces the cost of test for customers significantly, lasting longer and testing longer than previous contact solutions.

MAXOR cCruiser is the versatile solution for testing small discrete ICs. Its side-by-side Kelvin design is optimized for tri-temp capable insulation layer with extended Automotive temperature range -60°C to + 175°C.  Contact socket is G-Pin footprint compatible with a contact spring wear out zone. Featuring conventional onboard socket contact mounting and 80 mΩ​ low and stable contact resistance. Raw Springs and cGold plating options available, as well as Thebe, our brand new, improved conductive material plating option that has >50% lower resistance.

Cantilever contactor for high power applications

MAXOR ecoAmp Kelvin is a high power cantilever kelvin contactor with patented spring and tip design for optimum heat dissipation. This ensures best reliability, long spring life and high yield even under highest current and temperature requirements.

High Power Known Good Die Solution for Wide Bandgap Silicon Carbide and GaN High-Voltage and High-Current Applications

MAXOR KGD Contactor is a Top and Bottom Contacting Solution for Power Known Good Dies (KGD).

Cohu´s Volta-Core Micro Cantilever Technology provides stable and low CRES for very challenging high-voltage and high-current requirements.

The gentle-touch feature reduces surface impacts to a minimum while providing a reliable contact force.

The Volta-Core Micro Cantilever Probe Head enables efficient heat dissipation from Top and Bottom surface of the Die under test.

Micro Cantilever enables smart stacking of pins to increase current carrying capability.

Kelvin test socket for high power plunge-to-board applications

nanoKelvin is a well-established cantilever kelvin contactor with proven performance in the automotive market and further increasing popularity due to the robustness and reliability of the product.

Durable, Long Lifespan. Higher Test Yield.

The ULTRA®-S cantilever spring contactor is engineered for high yield and consistent performance in the most demanding environments. Unlike traditional elastomer-based interfaces, ULTRA-S eliminates performance degradation caused by compression set, temperature, and humidity exposure.

Expertise

Learn more about our Interface Solutions.