ROHM MMST918

MMST918 / PN918
Transistors
NPN High Frequency Transistor
MMST918 / PN918
zExternal dimensions (Unit : mm)
zFeatures
1) High current gain-bandwidth product fT=600MHz
2.9±0.2
MMST918
1.1+0.2
−0.1
1.9±0.2
0.8±0.1
0.95 0.95
MMST918
PN918
SMT3
RVX
TO-92
−
Marking
Code
Basic ordering unit
(pieces)
T146
T93
3000
3000
2.8±0.2
0 ∼ 0.1
(3)
ROHM : SMT3
EIAJ : SC-59
+0.1
0.15 −0.06
0.4 +0.1
−0.05
All terminals have same dimensions
PN918
4.8±0.2
0.3 ∼ 0.6
Part No.
0.2
1.6+
−0.1
zPackage, marking, and packaging specifications
Packaging type
(2)
(1)
(1) Emitter
(2) Base
(3) Collector
2.5Min.
4.8±0.2
3.7±0.2
Parameter
Symbol
Limits
Unit
Collector-base voltage
Collector-emitter voltage
VCBO
VCEO
30
15
V
V
Emitter-base voltage
Collector current
MMST918
Collector power
dissipation
PN918
VEBO
IC
3
50
0.2
V
A
W
PC
Junction temperature
Tj
0.310
150
W
°C
Storage temperature
Tstg
−55 to +150
°C
(12.7Min.)
zAbsolute maximum ratings (Ta = 25°C)
0.5±0.1
ROHM : TO-92
EIAJ : SC-43
(1)
(2) (3)
2.5 +0.3
−0.1
5
+0.15
0.45 −
0.05
2.3
(1) Emitter
(2) Base
(3) Collector
zElectrical characteristics (Ta = 25°C)
Symbol
Min.
Typ.
Max.
Unit
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Parameter
BVCBO
BVCEO
30
15
−
−
−
−
V
V
IC=1.0µA
IC=3.0mA
Emitter-base breakdown voltage
BVEBO
3.0
−
−
−
0.01
V
IE=10µA
−
µA
VCB=15V
−
−
1.0
µA
VCB=15V , IE=0 , Ta=150°C
VCE(sat)
VBE(sat)
20
−
−
−
−
−
−
0.4
1.0
−
V
V
IC=3.0mA , VCE=1.0V
IC/IB=10mA/1mA
IC/IB=10mA/1mA
Transition frequency
fT
600
−
−
MHz
Output capacitance
Cob
−
−
1.7
pF
−
−
3.0
pF
Emitter input capacitance
Noise figure
Cib
−
−
2.0
pF
NF
−
−
6.0
dB
Power gain
Output power
Collector efficiency
Gpe
15
−
−
dB
Collector cutoff current
DC current transfer ratio
Collector-emitter saturation voltage
Base-emitter saturation voltage
ICBO
hFE
Pout
30
−
−
mW
η
25
−
−
%
Conditions
IC=4.0mA , VCE=10V, f=100MHz
VCB=10V , IE=0 , f=140kHz
VCB=0 , IE=0 , f=140kHz
VEB=0.5V , IC=0 , f=140kHz
IC=1.0mA , VCE=6.0V ,RG=400Ω , f=60MHz
VCB=12V , IC=6.0mA , f=200MHz
VCB=15V , IC=8.0mA , f=500MHz
VCB=15V , IC=8.0mA , f=500MHz
1/2
MMST918 / PN918
Transistors
Ta=25°C
1000
160µA
500
140µA
DC CURRENT GAIN : hFE
COLLECTOR CURRENT : Ic (mA)
180µA
120µA
100µA
10
80µA
60µA
40µA
200
100
50
20
20µA
IB=0µA
0
0
20
10
COLLECTOR-EMITTER VOLTAGE : VCE(V)
10
0.1 0.2 0.5 1
2
5 10 20
50 100
COLLECTOR CURRENT : Ic (mA)
1.6
1.8
Ta=25°C
IC / IB=10
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0.1 0.2 0.5 1
2
5 10 20
50 100
COLLECTOR CURRENT : Ic (mA)
CURRENT GAIN BANDWIDTH PRODUCT (MHz)
Fig.4 Base-emitter saturation voltage
vs. collector current
5000
Fig.2 DC current gain vs.
collector current
BASE EMITTER VOLTAGE : VBE(ON) (V)
BASE EMITTER SATURATION VOLTAGE : VBE(sat) (V)
Fig.1 Typical output characteristics
1.8
Ta=25°C
VCE=10V
1.6
Ta=25°C
IC / IB=10
0.3
0.2
0.1
0
0.1 0.2 0.5 1
2
5 10 20
50 100
COLLECTOR CURRENT : Ic (mA)
Fig.3 Collector-emitter saturation
voltage vs. collector current
10
Ta=25°C
VCE=10V
Ta=25°C
f=1MHz
5
1.4
1.2
1.0
0.8
0.6
CAPACITANCE (pF)
20
COLLECTOR EMITTER SATURATION VOLTAGE : VCE(sat) (V)
zElectrical characteristic curves
2
Cob
1
Cib
0.5
0.4
0.2
0
0.1 0.2 0.5 1
2
5 10 20
50 100
COLLECTOR CURRENT : Ic (mA)
Fig.5 Base-emitter 'ON' voltage
vs. collector current
0.2
0.1
0.1 0.2
0.5 1
2
5 10 20
50 100
REVERSE BIAS VOLTAGE : V (V)
Fig.6 Capacitance vs.
reverse bias voltage
Ta=25°C
VCE=5V
2000
1000
500
200
100
50
0.1 0.2 0.5 1
2
5 10 20
50 100
COLLECTOR CURRENT : Ic (mA)
Fig.7 Current gain bandwidth product
vs. collector current
2/2
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