BIPOLAR NPN SILICON TRANSISTOR BFY77 • Hermetically Sealed TO-18 Metal Package • High Reliability Screening Options Available ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise stated) VCEO IC PD TJ Tstg Collector – Emitter Voltage Continuous Collector Current Total Power Dissipation at TA = 25°C Junction Temperature Range Storage Temperature Range 45V 50mA 360mW -65 to +200°C -65 to +200°C ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise stated) Symbols Parameters Test Conditions VCE(sat) Collector-Emitter Saturation Voltage IC = 1.0mA IB = 0.1mA IC = 1.0mA VCE = 5V IC = 500µA VCE = 5V HFE Min Typ 200 Max Units 0.35 V 450 DYNAMIC CHARACTERISTICS hfeτ Cobo Magnitude of Common emitter small-signal short-circuit forward current transfer ratio 2 f = 30MHz VCB = 5V IE = 0 Output Capacitance 6 pF f = 1.0MHz τ -Parameter by design – not production tested Semelab Limited reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab Limited Coventry Road, Lutterworth, Leicestershire, LE17 4JB Telephone +44 (0) 1455 556565 Fax +44 (0) 1455 552612 Email: [email protected] Website: http://www.semelab-tt.com Document Number 8720 Issue 2 Page 1 of 2 BIPOLAR NPN SILICON TRANSISTOR BFY77 MECHANICAL DATA Dimensions in mm (inches) 5.84 (0.230) 5.31 (0.209) 12.7 (0.500) min. 5.33 (0.210) 4.32 (0.170) 4.95 (0.195) 4.52 (0.178) 0.48 (0.019) 0.41 (0.016) dia. 2.54 (0.100) Nom. 3 1 2 TO-18 (TO-206AA) METAL PACKAGE Underside View Pin 1 - Emitter Pin 2 - Base Pin 3 - Collector Semelab Limited Coventry Road, Lutterworth, Leicestershire, LE17 4JB Telephone +44 (0) 1455 556565 Fax +44 (0) 1455 552612 Email: [email protected] Website: http://www.semelab-tt.com Document Number 8720 Issue 2 Page 2 of 2