2N3905BU

Power Dissipation vs
Ambient Temperature
0 25 50 75 100 125 150
0
0.25
0.5
0.75
1
TEMPERATURE ( C)
P - POWER DISSIPATION (W)
D
o
SOT-223
SOT-23
TO-92
Typical Characteristics (continued)
Noise Figure vs Frequency
0.1 1 10 100
0
1
2
3
4
5
6
f - FREQUENCY (kHz)
NF - NOISE FIGURE (dB)
I = 100
µ
A, R = 200
C
V = 5.0V
CE
S
I = 100
µ
A, R = 2.0 k
C
S
I = 1.0 mA, R = 200
C
S
Noise Figure vs Source Resistance
0.1 1 10 100
0
2
4
6
8
10
12
R - SOURCE RESISTANCE ( )
NF - NOISE FIGURE (dB)
k
I = 100
µ
A
C
V = 5.0V
f = 1.0 kHz
CE
I = 1.0 mA
C
S
Switching Times
vs Collector Current
1 10 100
1
10
100
500
I - COLLECTOR CURRENT (mA)
TIME (nS)
I = I =
t
r
t
s
B1
C
B2
I
c
10
t
f
t
d
Turn On and Turn Off Times
vs Collector Current
1 10 100
1
10
100
500
I - COLLECTOR CURRENT (mA)
TIME (nS)
I = I =
t
off
B1 B2
I
c
10
t
on
V = 0.5V
BE(OFF)
t
I =
on
t
off
B1
I
c
10
2N3905
PNP General Purpose Amplifier
(continued)
2N3905
Typical Characteristics (continued)
PNP General Purpose Amplifier
(continued)
Input Impedance
0.1 1 10
0.1
1
10
I - COLLECTOR CURRENT (mA)
h - INPUT IMPEDANCE (k )
V = 10 V
CE
C
ie
f = 1.0 kHz
Output Admittance
0.1 1 10
10
100
1000
I - COLLECTOR CURRENT (mA)
h - OUTPUT ADMITTANCE ( mhos)
V = 10 V
CE
C
oe
f = 1.0 kHz
µ
Current Gain
0.1 1 10
10
20
50
100
200
500
1000
I - COLLECTOR CURRENT (mA)
h - CURRENT GAIN
V = 10 V
CE
C
fe
f = 1.0 kHz
Voltage Feedback Ratio
0.1 1 10
1
10
100
I - COLLECTOR CURRENT (mA)
h - VOLTAGE FEEDBACK RATIO (x10 )
C
re
_
4
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2N3905BU

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
TRANS PNP 40V 0.2A TO-92
Lifecycle:
New from this manufacturer.
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