| No. | Name | Display | Max Collector Current | Max Diode Reverse Voltage | Max Collector Sweep Voltage | Step Voltage |
| WQ4829 | Digital Storage Transistor Characteristic Tracer | Digital | 20A | 5000V | 500V | 1V/step |
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Technical Parameters: Y-axis System: a.Collector Current: WQ4829:20μA/div ~ 2A/div, max20A, in16 ranges b.Diode Reverse Leakage Current:0.02μA/div ~ 1μA/div, in6 ranges X-axis System: a.Collector VoltageVce:10mV/div ~ 50V/div, max500V, in12 ranges b.Base VoltageVbe:50mV/div ~ 1V/div, in5 ranges c.Diode Reverse Withstand VoltageVd: 100V/div ~ 500V/div, max5000V, in3 ranges Step Current: WQ4829:0.2μA/step ~ 0.2A/step, in19 ranges Step Voltage:10mV/step ~ 1V/step, in7 ranges Number of Steps:0 ~ 10 steps, continuously adjustable Step Offset:±1 step, continuously adjustable Sweep Power Supply:
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