2N3743U4 Temperature-Power Derating Curve [2N4930U4, 2N4931U4]
PNP Silicon High Voltage Transistor. Package, U4 SMD [Surface Mount].
2N3743U4 Transistor Operational Power Derating Curve
Use the curves to determine how much to derate power [wattage] based on ambient operational temperature. Additional Transistor Derating Curves
Temperature derating is a standard design practice for electrical engineers.
Refer to MIL-PRF-19500/397H; SEMICONDUCTOR DEVICE, TRANSISTOR, PNP, SILICON, Types 2N3743, 2N3743U4, 2N4930, 2N4930U4, 2N4931, and 2N4931U4, JAN, JANTX, JANTXV, JANS, JANHC, and JANKC, [TO-39, U4 surface mount, Semiconductor-Die]
2N3743U4 Maximum Operational Ratings:
Collector Emitter Voltage = 300 volts dc [Vce]
Collector Base Voltage = 300 volts dc [Vcb]
Emitter Base Voltage = 5 volts dc [Veb]
Power Dissipation 250C = xx Watts [Pt]
Operating Temperature = -65 to +2000C
Storage Temperature = -65 to +2000C
Device Pin out; Terminal 1 Collector, 2 Base, 3 Emitter
Listing of Transistor Manufacturers and vendors.
SMD; Surface Mount device, SMT Surface Mount Technology
How to Derate; Guideline for Derating Electronic Components
Military Specification; MIL-PRF-19500, Semiconductor Devices, General Specification
