2N2857
Prelim. 7/98
Semelab plc. Telephone +44(0)1455) 556565. Fax +44(0)1455) 552612. e-mail sales@semelab.co.uk
Website http://www.semelab.co.uk
ABSOLUTE MAXIMUM RATINGS (T
A
= 25°C unless otherwise stated)
30V
15V
2.5V
40mA
200mW
300mW
–65 to 200°C
V
CBO
Collector – Base Voltage
V
CEO
Collector – Emitter Voltage
V
EBO
Emitter – Base Voltage
I
C
Collector Current
P
D
Total Device Dissipation @ T
A
=25°C
P
D
Total Device Dissipation @ T
C
=25°C
T
STG
, T
J
Operating and Storage Temperature Range
NPN TRANSISTOR
FEATURES
• SILICON NPN TRANSISTOR
APPLICATIONS:
• AMPLIFIER, OSCILLATOR AND
CONVERTER APPLICATIONS UP TO
500MHz
MECHANICAL DATA
Dimensions in mm (inches)
TO-72 METAL PACKAGE
0.48 (0.019)
0.41 (0.016)
dia.
4.95 (0.195)
4.52 (0.178)
4.95 (0.195)
4.52 (0.178)
5.
33 (0.
2
10)
4.
32 (0.
1
70)
1
2
.7
(
0
.5
0
0
)
mi
n
.
1
2
3
4
2.54 (0.100)
Nom.