Manufacturer of a wide range of products which include transistor zener diode tester and strip diode tester.
Transistor Zener Diode Tester
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8 Micro A
Range of Test Voltage
35 to 130 Volt
Range of display of Leakage Current Meter
Range of Forward Drop Display
0 to 1.999 V
3.6 Volt VCC
Accuracy of Test Voltage and Leakage Current
Range of Test Current
0 to 10 Amp
Accuracy of Zener Voltage Indication
It is must carry out QC of semiconductors like the transistor, diode, zener etc. For the transistor, we should know it’s gain(hfe), Iceo (collector to emitter current with base open). Diode’s forward voltage drop at given test current and it’s reverse leakage current at particular test voltage are essential parameters. Zener’s voltage is of importance to the user. All these parameters can be tested using this tester.
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Strip Diode Tester
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Range Of Test Voltage
100 to 1000 V
Acceptable Leakage Current Fix Ranges
2 Micro A/ 5 Micro A
Accuracy of test voltage And leakage Indication
It is essential to carry out screening of diodes out of the strip particularly for reverse breakdown test at acceptable leakage current in µA. To take out diodes one by one and conduct tests will be a time consuming and fatigue prone process. The risk of DC high voltage for an operator is always there. Tester has motor driven geared mechanism to pull the strip of diodes with test riders applying reverse voltage on the leads. Whenever leakage current exceeds than the acceptable limit, the motor comes to halt with the audio/visual trip indication. The test voltage is removed. The operator has to take out the faulty diode and continue with the further testing.
Diode Strip Testing:
Continuous strip movement by the motor with suitable loading arrangement of diode strip.
Whenever leakage current exceeds motor movement will come to halt for identifying the faulty diode