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
(T
A
= 25°C unless otherwise stated)
V
CBO
V
CEO
V
EBO
I
C
P
D
P
D
T
STG
, T
J
Collector – Base Voltage
Collector – Emitter Voltage
Emitter – Base Voltage
Collector Current
Total Device Dissipation @ T
A
=25°C
Total Device Dissipation @ T
C
=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.uk
Website http://www.semelab.co.uk
Prelim. 7/98
SEME-LAB [ SEME LAB ]
