The Darlington Bipolar Power Transistor is designed for general purpose amplifier and low speed switching applications. The MJD122 (NPN) and MJD127 (PNP) are complementary devices. Product services, tools and other useful resources related to MJD122 Find and compare products, get support and connect with onsemi sales team. Note: The temperature and confidence level may be adjusted to your requirements. Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)