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Johnstech International - Leaded Series


Leaded ROL™200KR Kelvin-Ready Test Contactor
For QFP, SO, SOT, and Other Leaded-Style Applications - for more information see 'Kelvin Series'.

Leaded ROL™200 Test Socket
Leaded ROL™200 Test Contactor
For QFP, SO, SOIC, SOJ, PLCC, TSOP and SOT Applications

Johnstech's patented ROL™ technology provides excellent electrical performance and proven mechanical reliability on Leaded Devices. The Leaded ROL™200 utilizes two contact configurations that were developed specifically for the unique challenges and different device platings used in Lead-Free Testing.

Leaded ROL™400 Test Socket
Johnstech ROL™400 Test Contactor
For QFP, SO, SOIC and TSOP Applications

The Leaded ROL™400 has incorporated Johnstech's patented ROL™ technology to provide excellent electrical performance and proven mechanical reliability for leaded devices. The ROL™ technology is ideally suited for high volume production testing and it is also offered in two Contact configurations developed specifically for the unique challenges and different device platings used in Lead-Free Testing.

Vertical Manual Actuator (VMA)
For Johnstech's Leaded-style Contactors
The Vertical Manual Actuator (VMA) features improved thermal, electrical, and mechanical performance that will lower your cost of test.

Features/Benefits

Single-Latch Clamshell Design

Provides simple latching and actuation
Latches before engaging package
Turning knob actuates device
Vertical Actuation of Contacts

More consistent package contact
Improved coplanarity
Reduced X-Y movement on package
Versatile Leadbacker

Easy to replace when changing between various SO and QFP device packages
Fixed hard-stops ensure proper actuation
Better Airflow to Package

Center holes in leadbacker and knob ensure better temperature control

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