This standard specifies the test methods for the electrical characteristics, thermal characteristics and ratings of bipolar power transistor arms and arm-to-arm modules, as well as the thermal cycle load test methods. This standard applies to NPN power transistor modules with enclosure ratings of 5A and above. This standard also applies to PNP type power transistor modules as long as the polarity of the power supply and meter is changed. In addition to the insulation voltage test method, other test methods of this standard are also applicable to bipolar power transistors if the temperature specification point is appropriately specified.
JB/T 6307.4-1992 history
1992JB/T 6307.4-1992 Test method for power semiconductor module Arm and pair of arms of bipolar transistor