Contact htt
Back to top
Close Menu

Johnstech International - Pad Series


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

Pad ROL™200 Test Contactor
For QFN, DFN, and Other Pad-Style Applications

Johnstech’s patented ROL™ Technology provides excellent electrical performance and proven mechanical reliability for applications including Precision Analog and RF. The ROL™200 test socket provides Contact/Elastomer configurations for the unique challenges of matte tin and NiPdAu packages.

Johnstech Pad ROL™100A IC Test Socket
For QFN, DFN, and Other Pad-Style Applications

The Pad ROL™100A offers the best-in-class electrical performance for testing your most demanding RF/microwave communications devices to 40 GHz. Whether you’re performing engineering tests on high gain RF amplifiers, RF transceivers, the latest WiMAX or 3G devices, the Pad ROL™100A delivers. Engineered with robust mechanical performance, the Pad ROL™100A meets your most demanding production needs for higher First Pass Yield, longer MTBA, and lower cost of test. New contact designs for 0.4mm and >0.5mm pitches provide longer contact life and longer MTBA for testing your QFN and DFN matte tin and NiPdAu packages.

Pad Series Single-Latch Vertically Compliant Manual Actuator (SL-VCMA)
The Single-Latch Vertically Compliant Manual Actuator (SL-VCMA) features improved ergonomic, thermal, electrical and mechanical performance to help lower your lost of cost.

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

Vertically Compliant- one leadbacker can be used for a variety of package thickness
Easy to replace when changing between various QFN and DFN Packages
Better Airflow to Package
Center holes in leadbacker and knob ensure better temperature control

Pad Series Double-Latch Vertically Compliant Manual Actuator (DL-VCMA)
The Double-Latch Vertically Compliant Manual Actuator (DL-VCMA) features improved ergonomic, thermal, electrical and mechanical performance to help lower your cost of test.

Features/Benefits
Simple, One-Handed Operation

Actuator latches onto contactor and engages package automatically when knob is turned.
Vertical Actuation of Contacts

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

Vertically Compliant- one leadbacker can be used for a variety of package thickness
Better Airflow to Package

Center holes in leadbacker and knob ensure better temperature control

Download Datasheet
Direct Contact