2N4401
SMALL SIGNAL TRANSISTORS (NPN)
FEATURES
¨ NPN Silicon Epitaxial Planar Transistor
for switching and amplifier applications.
¨ As complementary type, the PNP
transistor 2N4403 is recommended.
¨ On special request, this transistor is
also manufactured in the pin
configuration TO-18.
¨ This transistor is also available in the
SOT-23 case with the type designation
MMBT4401
MECHANICAL DATA
Case: TO-92 Plastic Package
Weight: approx. 0.18g
MAXIMUM RATINGS AND THERMAL CHARACTERISTICS
Ratings at 25¡C ambient temperature unless otherwise specified
SYMBOL VALUE UNIT
Collector-Base Voltage VCBO 60 Volts
Collector-Emitter Voltage VCEO 40 Volts
Emitter-Base Voltage VEBO 6.0 Volts
Collector Current-Continuous IC 600 mA
Power Dissipation at TA=25°C
Ptot
625 mW
Derate above 25°C 5.0 mW/°C
Power Dissipation at TC=25°C
Ptot
1.5 W
Derate above 25°C 12 mW/°C
Thermal Resistance, Junction to Ambient Air RQJA 200 °C/W
Thermal Resistance Junction to Case RQJC 83.3 ¡C/W
Junction Temperature Tj 150 ¡C
Storage Temperature Range TS Ð55 to +150 ¡C
0.181 (4.6)
m
i
n
.
0.492
(12.5
)
0.1
81 (4
.6)
0.142 (3.6)
0.098 (2.5)
max.

Æ 0.022 (0.55)
E C
B
TO-92
2/17/99
Dimensions in inches and (millimeters)
ADVANCED INFORMATION ADVANCED INFORMATION