Analogue, Mixed Signal, LSI


Press-fit contact has improved design

26 Jan 2000 Analogue, Mixed Signal, LSI

Press-fit technology was originally introduced to allow makers of multilayer back-panels a way to interconnect multiple connectors without wavesoldering. Various designs have been developed to provide a reliable, gas-tight contact to work with large diameter tolerances on plated-through-holes (PTH).

Molex claims its C-pin design is widely recognised for its superior features. The C shape of the press-fit area allows great flexibility for the contacts during press-in and it also offers uniform contact forces over 300° (of the 360°) of the PTH.

This prevents the PCB warpage caused by other designs. The smooth contact interface means less hole damage during insertion. Many users have found that this means easy and reliable field replacement of C-pin contacts, says the manufacturer.

The company says the Molex C-pin contact has been proven to offer low contact resistance and high retention forces under severe environmental conditions. This has led to its wide acceptance by industry leaders worldwide since the 1970s.

Although PCBs today are often available with plated-through-holes offering extremely low tolerances, Molex says many prefer the C-pin contact for its PCB-friendly design. The Molex C-pin provides superior performance in PCB holes from 0,94 to 1,09 mm diameter, a range far greater than those offered by many of the competing products in the market.

In the 1980s it was found that C-pin provided reliable connection with copper plated-through-holes. The C-pin's broad surface area and PCB-friendly characteristics made it the design of choice for high-end users wishing to eliminate the additional costs and tolerance issues associated with plating their backplanes with tin as well as copper. Today many manufacturers of electronics equipment are choosing to specify bare copper boards or use gold flash plating to accommodate the need for fine-pitch SMT components. The PCB-friendly Molex C-pin design has proven to provide excellent performance under these conditions as well, says the company.

Molex C-pin technology is available on a wide range of products such as press-fit power tabs, single-in-line resistor arrays, dual-in-line sockets, coaxial connectors, special 0,63 mm2 diameter pins and a wide variety of connectors conforming to DIN 41612 and DIN 41462 (OmniGrid 2,5) specifications.





Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Low power 36 V operational amplifier
EBV Electrolink Analogue, Mixed Signal, LSI
The TSB622 is a general-purpose, dual operational amplifier featuring an extended supply voltage operating range of 2,7 to 36 V and rail-to-rail output

Read more...
Quad-output buck regulator
Altron Arrow Analogue, Mixed Signal, LSI
The LTM4673 from Analog Devices is a quad-output µmodule buck regulator which has a wide input voltage range and built-in digital power system management.

Read more...
u-blox’ smallest ever GNSS module
RF Design Analogue, Mixed Signal, LSI
Designing an anomaly detection library with AI learning capability is possible with minimal data and with no specific data-science skills needed.

Read more...
Evaluation board for MEMS accelerometers
Altron Arrow Analogue, Mixed Signal, LSI
The board is designed to facilitate fast system prototyping and device evaluation of MEMS devices in ST’s ASM330LHHX product family.

Read more...
Efficient cold chain management with high-accuracy temperature sensors
Analogue, Mixed Signal, LSI
Choosing the correct system of temperature sensing in cold chain management is vital to ensure quality and product safety for the consumer.

Read more...
Tiny CO2 sensor employs photoacoustic spectroscopy
TRX Electronics Analogue, Mixed Signal, LSI
The device uses a high-sensitivity MEMS microphone to detect the pressure change generated by CO2 molecules within the sensor cavity.

Read more...
Self-learning AI sensor for fitness tracking
TRX Electronics Analogue, Mixed Signal, LSI
The Bosch BHI260AP is ideal for always-on sensor applications like wrist wearables, hearables, smartphones, AR/VR headsets and controller device.

Read more...
Sensor nodes for reliable air quality data
TRX Electronics Analogue, Mixed Signal, LSI
The advanced sensors offer easy integration, fully calibrated outputs with a digital interface, and optimal measurement of vital air quality parameters.

Read more...
High-resolution magnetic position sensor
TRX Electronics Analogue, Mixed Signal, LSI
Featuring a 14-bit sensor array and analog front-end, the sensor uses a differential measurement method to compensate for external stray magnetic fields.

Read more...
Absolute pressure sensor
Altron Arrow Analogue, Mixed Signal, LSI
The sensing element, which detects absolute pressure, consists of a suspended membrane manufactured using a special process developed by STMicroelectronics.

Read more...