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2N2857
MECHANICAL DATA Dimensions in mm (inches)
4.95 (0.195) 4.52 (0.178) 4.95 (0.195) 4.52 (0.178)
NPN TRANSISTOR
5.33 (0.210) 4.32 (0.170)
FEATURES
• SILICON NPN TRANSISTOR
12.7 (0.500) min.
0.48 (0.019) 0.41 (0.016) dia.
APPLICATIONS:
• AMPLIFIER, OSCILLATOR AND CONVERTER APPLICATIONS UP TO 500MHz
2.54 (0.100) Nom.
4 3 2 1
TO-72 METAL PACKAGE
ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise stated)
VCBO VCEO VEBO IC PD PD TSTG , TJ Collector – Base Voltage Collector – Emitter Voltage Emitter – Base Voltage Collector Current Total Device Dissipation @ TA =25°C Total Device Dissipation @ TC =25°C Operating and Storage Temperature Range 30V 15V 2.5V 40mA 200mW 300mW –65 to 200°C
Semelab plc.
Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612. e-mail sales@semelab.co.
2N2857 Datasheet
