General Purpose Transistor
RATING AND CHARACTERISTIC CURVES (MMBTA42-G)
18
16
14
12
10
8
6
4
2
0
0
Fig.1- IC — VCE
90uA
80uA
70uA
-C50O0MuAMON
ET-a4M=5I20T5uT°AECR
60uA
50uA
40uA
30uA
20uA
IB=10uA
24
6
8 10 12 14 16 18
Collector-Emitter Voltage, VCE (V)
1000
100
Fig.2- hFE— IC
Ta=100°C
Ta= 25°C
0
0.1
COMMON EMITTER
VCE=10V
1
10
100
Collector Current , Ic (mA)
Fig.3- VCEsat — IC
500
Fig.4- VBEsat — IC
900
Ta=100°C
100
Ta= 25°C
Ta=25°C
600
Ta= 100°C
10
0
1
10
100
Collector Current , Ic (mA)
Fig.5- IC — VBE
100
10
1
0.1
0
300
600
COMMON EMITTER
VCE=10V
900
1200
Base - Emmiter Voltage , VBE (mV)
300
0
300
100
10
0
1
10
100
Collector Current, Ic (mA)
Fig.6- FT — IC
COMMON EMITTER
VCE=20V
TA=25°C
1
10
100
Collector current , IC (mA)
QW-BTR38
Comchip Technology CO., LTD.
REV:A
Page 2