EMX4 / UMW6N / UMW10N / UMX4N /
FMW6 / FMW10 / IMX4
Transistors
High transition frequency (dual transistors)
EMX4 / UMW6N / UMW10N / UMX4N /
FMW6 / FMW10 / IMX4
!Features
1) Two 2SC3837K chips in a EMT or UMT or SMT package.
2) High transition frequency. (fT=1.5GHz)
3) Low output capacitance. (Cob=0.95pF)
!Equivalent circuit
EMX4 / UMX4N
IMX4
UMW6N
FMW6
UMW10
FMW10
(3) (2)
(1)
(4) (5)
(6)
(3) (2)
(1)
(3) (4)
(5)
(3)
(2)
(1)
(3)
(4)
(5)
(5)
(1)
(5)
(1)
(4)
(5)
(6)
(3)
(2)
(1)
(4)
(2)
(4)
(2)
!Absolute maximum ratings (Ta = 25°C)
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Symbol
Limits
Unit
V
VCBO
VCEO
VEBO
30
18
V
3
V
Collector current
I
C
50
mA
EMX4 / UMW6N / UMW10N / UMX4N
Collector power
150(TOTAL)
300(TOTAL)
150
∗1
∗2
Pc
mW
dissipation
FMW6 / FMW10 / IMX4
Junction temperature
Storage temperature
Tj
°C
°C
Tstg
−55~
+150
∗1 120mW per element must not be exceeded.
∗2 200mW per element must not be exceeded.
!Electrical characteristics (Ta = 25°C)
Parameter
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Symbol
Min.
Typ.
−
−
Max.
−
−
Conditions
Unit
V
BVCBO
BVCEO
BVEBO
30
18
3
I
I
I
C
=10µA
V
C=1mA
−
−
−
−
V
E
=10µA
CB=10V
EB=2V
I
CBO
EBO
FE
CE(sat)
FE1 / FE2
−
−
0.5
0.5
270
0.5
2
µA
µA
−
V
V
V
Emitter cutoff current
I
DC current transfer ratio
27
−
0.5
600
−
−
−
h
CE/I
C
=10V/10mA
=20mA/4mA
V
I
C/I
B
Collector-emitter saturation voltage
V
h
h
−
1
V
CE/I
C
=10V/10mA
=10V/10mA, f=200MHz
=0A
hFE pairing
Transition frequency
f
T
1500
0.95
−
1.6
∗
MHz
pF
V
V
CE/I
C
Output capacitance
Cob
CB/f=10V/1MHz, I
E
∗Transition frequency of the device.