Datasheet
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
Data Sheet
EMH4 / UMH4N / IMH4A
lElectrical characteristic curves(Ta = 25°C)
Fig.2 Grounded emitter output
characteristics
0
20
40
60
80
100
0 5 10
250μA
0A
300μA
350μA
400μA
450μA
500μA
200μA
150μA
100μA
I
B
=
Ta=25ºC
50μA
0.001
0.01
0.1
1
10
0 0.5 1 1.5 2
V
CE
=5V
Ta=100ºC
25
ºC
-40ºC
Fig.1 Grounded emitter propagation
characteristics
COLLECTOR CURRENT : Ic (mA)
BASE TO EMITTER VOLTAGE : V
BE
(V)
COLLECTOR CURRENT : I
C
(mA)
COLLECTOR TO EMITTER
VOLTAGE : V
CE
(V)
Fig.3 DC Current gain
vs. Collector Current
DC CURRENT GAIN : hFE
COLLECTOR CURRENT : I
C
(mA)
Fig.4 Collector-emitter saturation voltage
vs. Collector Current
COLLECTOR SATURATION
VOLTAGE : V
CE
(sat) (V)
COLLECTOR CURRENT : I
C
(mA)
3/6
2012.06 - Rev.B
