... , out of limit alarming, advance the work efficiency UI9611 High Accuracy MOS Transistor Selector Specification:• Measure parameters: ... threshold voltage, internal resistance, transconductance, withstand voltage, etc.UI9611: MOS Transistor Characteristics Selector.UI9600: Transistor Tester.UI9600A: Transistor ... for more about testing electronic components. UI9611 High Accuracy MOS Transistor Selector