ROHM EMX4

EMX4 / UMX4N / IMX4
Transistors
High transition frequency (dual transistors)
EMX4 / UMX4N / IMX4
zExternal dimensions (Unit : mm)
zFeatures
1) Two 2SC3837K chips in a EMT or UMT or SMT package.
2) High transition frequency. (fT=1.5GHz)
3) Low output capacitance. (Cob=0.9pF)
(3)
0.22
(4)
(5)
(2)
1.2
1.6
(1)
0.5
0.13
(6)
0.5 0.5
1.0
1.6
EMX4
zEquivalent circuits
EMX4 / UMX4N
(3)
(2)
(1)
(4)
Each lead has same dimensions
ROHM : EMT6
IMX4
(5)
(6)
(4)
(5)
(6)
(3)
(2)
(1)
2.0
1.3
(3)
0.65
(2)
(1)
0.65
(5)
(6)
0.2
(4)
UMX4N
1.25
0~0.1
0.1Min.
zAbsolute maximum ratings (Ta=25°C)
mA
Collector power
dissipation
IC
EMX4 / UMX4N
IMX4
150(TOTAL)
Pc
300(TOTAL)
mW
Junction temperature
Tj
150
°C
Storage temperature
Tstg
−55 to +150
°C
∗1
1.6
∗2
2.8
∗1 120mW per element must not be exceeded.
∗2 200mW per element must not be exceeded.
0.3Min.
1.1
50
Collector current
IMX4
0.95 0.95
1.9
2.9
V
0.8
3
(1)
VEBO
(2)
V
Emitter-base voltage
(3)
V
20
0~0.1
30
VCEO
(6)
VCBO
Collector-emitter voltage
(5)
Collector-base voltage
Each lead has same dimensions
ROHM : UMT6
EIAJ : SC-88
(4)
Unit
0.3
Limits
0.15
Symbol
Parameter
0.9
0.7
0.15
2.1
Each lead has same dimensions
ROHM : SMT6
EIAJ : SC-74
zPackage, marking, and packaging specifications
Type
EMX4
UMX4N
IMX4
Package
EMT6
UMT6
SMT6
Marking
X4
Code
T2R
X4
TR
X4
T108
Basic ordering unit (pieces)
8000
3000
3000
zElectrical characteristics (Ta=25°C)
Symbol
Min.
Typ.
Max.
Unit
Collector-base breakdown voltage
Parameter
BVCBO
30
−
−
V
IC=10µA
Collector-emitter breakdown voltage
BVCEO
20
−
−
V
IC=1mA
Emitter-base breakdown voltage
Collector cutoff current
BVEBO
ICBO
3
−
−
−
−
0.5
V
µA
IE=10µA
VCB=15V
Emitter cutoff current
IEBO
−
−
0.5
µA
DC current transfer ratio
hFE
27
−
270
−
VCE(sat)
−
−
0.5
V
Transition frequency
fT
1500
−
MHz
Output capacitance
Cob
600
−
0.95
1.6
pF
Collector-emitter saturation voltage
Collector-base time constant
Noise factor
Conditions
VEB=2V
VCE/IC=10V/10mA
IC/IB=20mA/4mA
∗
VCE/IE=10V/ −10mA, f=200MHz
VCB/f=10V/1MHz, IE=0A
rbb' Cc
−
6
13
ps
VCB=10V, IC=10mA , f=31.8MHz
NF
−
4.5
−
dB
VCE=12V, IC=2mA , f=200MHz , Rg=50Ω
∗Transition frequency of the device.
Rev.A
1/3
EMX4 / UMX4N / IMX4
Transistors
200
100
50
20
0.1 0.2
0.5
1
2
5
10 20
50
Ta=25°C
IC/IB=5
200
100
50
20
10
COLLECTOR TO BASE TIME CONSTANT : Cc rbb' (ps)
TRANSITION FREQUENCY : fT (MHz)
2000
1000
500
200
−0.5 −1 −2
−5
−10 −20
0.5
−50
2
5
10 20
10
5
2
Ta=25°C
VCE=10V
f=31.8MHz
1
0.1 0.2
0.5
1
2
5
10 20
1
2
5
10
20
50
COLLECTOR CURRENT : Ic (mA)
Fig.7 Insertion gain vs. collector current
2
5
10 20
50
Ta=25°C
VCE=10V
IC=10mA
20
15
10
5
0
50
0.1
0.2
0.5
1
2
10
Fig.6 Insertion gain vs. frequency
Ta=25°C
IC=2mA
f=200MHz
Ta=25°C
VCE=12V
f=200MHz
NOISE FIGURE : NF(dB)
25
5
FREQUENCY : f (GHz)
2
5
1
Fig.3 Capacitance vs. reverse bias voltage
Fig.5 Collector to base time constance
vs. collector current
INSERTION GAIN : IS21el (dB)
2
10
0.5
0.5
COLLECTOR TO BASE VOLTAGE : VCB (V)
20
30
15
0
0.1 0.2
50
COLLECTOR CURRENT : IC (mA)
Ta=25°C
VCE=12V
f=200MHz
20
0.2
25
Fig.4 Gain bandwidth product vs. emitter current
25
Cre
50
EMITTER CURRENT : IE (mA)
INSERTION GAIN : IS21el (dB)
1
Fig.2 Collector-emitter saturation voltage
vs. collector current
Ta=25°C
VCE=10V
−0.1 −0.2
0.5
COLLECTOR CURRENT : IC (mA)
Fig.1 DC current gain vs. collector current
100
Cob
1.0
0.1
0.1 0.2
COLLECTOR CURRENT : IC (mA)
5000
Ta=25°C
f=1MHz
IE=0A
2.0
2
10
5.0
500
OUTPUT CAPACITANCE :CoB (pF)
FEEDBACK CAPACITANCE :Cre (pF)
Ta=25°C
VCE=10V
INSERTION GAIN : IS21el (dB)
DC CURRENT TRANSFER RATIO :hFE
500
COLLECTOR SATURATION VOLTAGE :VCE(sat) (mV)
zElectrical characteristic curves
20
15
10
20
10
5
0
0
2
4
6
8
10
12
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
Fig.8 Insertion gain vs. collector voltage
0
0.1 0.2
0.5
1
2
5
10 20
50
COLLECTOR CURRENT : IC (mA)
Fig.9 Noise factor vs. collector current
Rev.A
2/3
EMX4 / UMX4N / IMX4
Transistors
30
Ta=25°C
IC=2mA
f=200MHz
NOISE FIGURE : NF(dB)
25
20
15
10
5
0
0
2
4
6
8
10
12
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
Fig.10 Noise factor vs. collector voltage
Rev.A
3/3
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1