
Document Number 5358
Issue 2
2N2405
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk
MEDIUM POWER SILICON
NPN PLANAR TRANSISTOR
FEATURES
For Operation at Junction Temperature up
to 200°C
Planar Construction for Low Noise and Low
Leakage
Hermetically Sealed Metal Package
Low Output Capacitance
VCBO
Collector – Base Voltage
VCEO
Collector – Emitter Voltage
VEBO
Emitter – Base Voltage
VCER
Collector – Emitter Sustaining Voltage
IC
Collector Current
PD
Total Device Dissipation
TCase= 25°C
TAmb = 25°C
Tstg,Tj
Storage and Operatuing Junction Temperature
RθJC
Thermal Resistance Junction to Case
RθJA
Thermal Resistance Junction to Ambient
120V
90V
7V
140V
1A
5W
1W
–65 to 200°C
35°C / W
175°C / W
MECHANICAL DATA
Dimensions in mm (inches)
TO39 (TO-205AD) PACKAGE
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
Pin 1 = Emitter
Underside View
Pin 2 = Base
Pin 3 = Collector
0.89
(0.035)
max.
12.70
(0.500)
min.
0.41 (0.016)
0.53 (0.021)
dia.
5.08 (0.200)
typ.
0.71 (0.028)
0.86 (0.034)
2.54
(0.100)
45°
6.10 (0.240)
6.60 (0.260)
8.51 (0.34)
9.40 (0.37)
7.75 (0.305)
8.51 (0.335)
1
2
3
0.74 (0.029)
1.14 (0.045)
Semelab Plc 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.
APPLICATIONS
The 2N2405 is intended for a variety of small
signal and medium power applications.
It features low leakage and high switching
speeds.