BCR400R datasheet pdf

BCR 400R Sep-30-19991 Active Bias Controller

Characteristics • Supplies stable bias current even at low battery voltage and extreme ambient temperature variatio n • Low voltage drop of 0.7V Application notes • Stabilizing bias current of NPN transistors and FET's from less than 0.2mA up to more than 200m A • Ideal supplement for Sieget and other transistors • also usable as current source up to 5mA EHA07188 43 21 TypeMarkingPin ConfigurationPackage BCR 400RW4s1=GND/E NPN 2=Contr/B NPN 3V S 4=Rext/C NPN SOT-143R (E NPN , B NPN , C NPN are electrodes of a stabilized NPN transistor) Maximum Ratings Parameter ValueSymbolUnit Source voltageV18 V S mAControl current I Contr. 10 Control voltage16V V Contr. Reverse voltage between all terminals V R 0.5V Total power dissipation, T S = 83 °CP tot 330mW Junction temperature T j 150°C Storage temperature T stg -65 ... 150 Thermal Resistance K/W Junction ambient 1) R thJA ≤ 280 Thermal resistance, chip case R thJC ≤ 190 1) Package mounted on pcb 40mm x 40mm x 1.5mm / 6cm 2 Cu

Specifications