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
ICCollector Current
PDTotal Device Dissipation TCase= 25°C
TAmb = 25°C
Tstg,TjStorage 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.
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
Parameter Test Conditions Min. Typ. Max. Unit
Parameter Test Conditions Min. Typ. Max. Unit
ELECTRICAL CHARACTERISTICS (Tcase = 25°C unless otherwise stated)
IC= 30mA IB= 0
IC= 100mA IB= 0
RBE = 10ΩIC= 100mA
RBE = 500ΩIC= 100mA
IC= 0.1mA IE= 0
IE= 0.1mA IC= 0
VCB = 90V IE= 0
VCB = 90V IE= 0
TC = 150°C
VBE = - 5V IC= 0
IC= 150mA IB= 15mA
IC= 50mA IB= 5mA
IC= 150mA IB= 15mA
IC= 50mA IB= 5mA
IC= 10mA VCE = 10V
IC= 150mA VCE = 10V
IC= 10mA VCE = 10V
VCEO(SUS) Collector – Base Breakdown Voltage
VCER(SUS)* Emitter – Base Breakdown Voltage
V(BR)CBO* Collector – Base Breakdown Voltage
V(BR)EBO* Emitter – Base Breakdown Voltage
ICBO Collector Cut-off Current
IEBO Emitter Cut-off Current
VCE(sat) Collector – Emitter Saturation Voltage
VBE(sat) Base – Emitter Saturation Voltage
hFE* DC Current Gain
TC= –55°C
90
90
140
120
120
7
0.01
10
0.01
0.5
0.2
1.1
0.9
35
60 200
20
V
V
µA
µA
V
V
—
hfe Small Signal Current Gain
hib
hrb
hob
Cobo Output Capacitance
Cib
VCE = 5 IC= 5mA f = 1kHz
VCE = 10 IC= 50mA f = 20MHz
VCB = 5V IC= 1mA f = 1KHz
VCB = 10V IC= 5mA f = 1KHz
VCB = 5V IC= 1mA f = 1KHz
VCB = 10V IC= 5mA f = 1KHz
VCB = 5V IC= 1mA f = 1KHz
VCB = 10V IC= 5mA f = 1KHz
VCB = 10V IE= 0
VBE = -0.5V IC= 0
50 275
6
24 34
48
3 x10.4
3 x10.4
0.5
0.5
15
160
—
Ω
—
µmho
pF
DYNAMIC CHARACTERISTICS (Tcase = 25°C unless otherwise stated)
Pulse Duration = 300µs max, Duty Factor ≤ 2%
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.
Document Number 5358
Issue 2
