BFY81

SILICON DUAL MATCHED NPN TRANSISTORS BFY81 Dual Silicon Matched Planar Transistors Hermetic TO-77 (MO-002AF) Metal Package. Ideally Suited For Differential And Low Level Dc Amplifiers Screening Options Available. ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise stated) VCBO Collector – Base Voltage 45V VCEO Collector – Emitter Voltage 45V VEBO Emitter – Base Voltage 6V IC Continuous Collector Current 50mA PD Total Power Dissipation at TA = 25°C One Side 400mW Both Sides 500mW Derate Above 25°C 2.3mW/°C 2.9mW/°C PD Total Power Dissipation at TC = 25°C 800mW 1.3W Derate Above 25°C 4.6mW/°C 7.4mW/°C TJ Junction Temperature Range -65 to +200°C Tstg Storage Temperature Range -65 to +200°C THERMAL PROPERTIES Symbols Parameters RθJA Thermal Resistance, Junction To Ambient RθJC Thermal Resistance, Junction To Case One Side Max. 437 219 Both Sides Max. Units 350 °C/W 135 °C/W Semelab Limited reserves the right to change t...