BUL44

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by BUL44/D ™ Data Sheet SWITCHMODE™ Designer's NPN Bipolar Power Transistor For Switching Power Supply Applications The BUL44/BUL44F have an applications specific state–of–the–art die designed for use in 220 V line operated Switchmode Power supplies and electronic light ballasts. These high voltage/high speed transistors offer the following: Improved Efficiency Due to Low Base Drive Requirements: — High and Flat DC Current Gain hFE — Fast Switching — No Coil Required in Base Circuit for Turn–Off (No Current Tail) Full Characterization at 125°C Tight Parametric Distributions are Consistent Lot–to–Lot Two Package Choices: Standard TO–220 or Isolated TO–220 BUL44F, Case 221D, is UL Recognized to 3500 VRMS: File #E69369 MAXIMUM RATINGS Rating Collector–Emitter Sustaining Voltage Collector–Emitter Breakdown Voltage Emitter–Base Voltage Collector Current — Continuous — Peak(1) Base Current — Continuous — Peak(1) RMS Isolated Voltage(2) (for 1 sec, R.H. < 30%, TC = 25°C) Total Device Dissipation Derate above 25°C Operating and Storage Temperature Test No. 1 Per Fig. 22a Test No. 2 Per Fig. 22b Test No. 3 Per Fig. 22c (TC = 25°C) Symbol VCEO VCES VEBO IC ICM IB IBM VISOL — — — 50 0.4 BUL44 400 700 9.0 2.0 5.0 1.0 2.0 4500 3500 1500 25 0.2 BUL44F Unit Vdc Vdc Vdc Adc Adc Volts BUL44 * BUL44F* *Motorola Preferred Device POWER TRANSISTOR 2.0 AMPERES 700 VOLTS 40 and 100 WATTS BUL44 CASE 221A–06 TO–220AB PD TJ, T...