ROHM 2SC3838KT146P

High-Frequency Amplifier Transistor(11V, 50mA, 3.2GHz)
2SC5662 / 2SC4726 /2SC4083 / 2SC3838K
Features
1) High transition frequency. (Typ. fT= 3.2GHz)
2) Small rbb’Cc and high gain. (Typ. 4ps)
3) Small NF.
Dimensions (Unit : mm)
2SC5662
0.2
1.2
0.32
0.8
1.2
(3)
0.2
(1)(2)
0.22
0.4 0.4
0.13
0.5
(1) Base
(2) Emitter
(3) Collector
0.8
Packaging specifications and hFE
ROHM : VMT3
Type
2SC5662
2SC4726
2SC4083
2SC3838K
Package
hFE
Marking
Code
Basic ordering unit
(pieces)
VMT3
NP
AD
T2L
EMT3
NP
AD
TL
UMT3
NP
1D
T106
SMT3
NP
AD
T146
2SC4726
0.7
1.6
0.55
0.3
(2)
1.6
0.8
(3)
0.2
0.15
0.5 0.5
8000
3000
3000
3000
ROHM : EMT3
EIAJ : SC-75A
1.0
2SC4083
2.0
0.1Min.
(1)
0.2
(1) Emitter
(2) Base
(3) Collector
0.9
0.2
0.3
0.7
(1)
(2)
Parameter
Symbol
Limits
Unit
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
2SC5662, 2SC4726
Collector power
dissipation
2SC4083, 2SC3838K
Junction temperature
Storage temperature
VCBO
VCEO
20
11
3
50
0.15
0.2
V
V
V
mA
150
−55 to +150
°C
°C
Tj
Tstg
ROHM : UMT3
EIAJ : SC-70
0.15
1.3
2.9
2SC3838K
1.1
0.4
W
(1) Emitter
(2) Base
(3) Collector
Each lead has same dimensions
0.8
(3)
(2)
(1)
0.95 0.95
ROHM : SMT3
EIAJ : SC-59
0.15
1.9
0.3Min.
PC
0.65 0.65
1.6
2.8
VEBO
IC
0.1Min.
Absolute maximum ratings (Ta=25C)
2.1
1.25
(3)
(1) Emitter
(2) Base
(3) Collector
Each lead has same dimensions
Absolute maximum ratings (Ta=25C)
Parameter
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Emitter cutoff current
Collector-emitter saturation voltage
DC current
transfer ratio
2SC5662, 2SC4726,
2SC4083, 2SC3838K
Transition frequency
Output capacitance
Collector-base time constant
Noise factor
Symbol
Min.
Typ.
Max.
Unit
BVCBO
BVCEO
BVEBO
20
11
3
−
−
−
−
−
−
−
−
−
−
0.5
0.5
V
V
V
μA
μA
VEB = 2V
−
−
0.5
V
IC/IB = 10mA/5mA
hFE
56
−
180
−
VCE/IC = 10V/5mA
ICBO
IEBO
VCE(sat)
Conditions
IC = 10μA
IC = 1mA
IE = 10μA
VCB = 10V
fT
1.4
3.2
−
GHz
Cob
−
0.8
1.5
pF
VCE = 10V , IE = −10mA , f = 500MHz
VCB = 10V , IE = 0A , f = 1MHz
rbb'⋅Cc
−
−
4
3.5
12
−
ps
dB
VCE = 6V , IC = 2mA , f = 500MHz , Rg = 50Ω
NF
VCB = 10V , IC = 10mA , f = 31.8MHz
This product might cause chip aging and breakdown under the large electrified environment.
Please consider to design ESD protection circuit.
www.rohm.com
c 2010 ROHM Co., Ltd. All rights reserved.
○
1/2
2010.01 - Rev.D
2SC5662 / 2SC4726 /2SC4083 / 2SC3838K
Data Sheet
200
100
50
20
10
0.1 0.2
0.5 1
2
5
10
20
50
500
200
100
50
IC/IB=10
20
IC/IB=2
10
0.1 0.2
COLLECTOR CURRENT : IC (mA)
2.0
Cob
Cre
0.5
0.2
0.1
0.1 0.2
0.5
1
2
5
10
20
1
2
5
10
20
1.0
0.5
0.2
0.1
−0.1 −0.2
50
50
COLLECTOR TO BASE VOLTAGE : VCB (V)
Fig.4 Capacitance vs. reverse bias voltage
www.rohm.com
c 2010 ROHM Co., Ltd. All rights reserved.
○
rbb' (ps)
50
−0.5 −1
−2
Ta=25°C
VCE=10V
−5 −10 −20
−50
EMITTER CURRENT : IE (mA)
Fig.2 Collector-emitter saturation voltage
vs. collector current
COLLECTOR TO BASE TIME CONSTANT : Cc
OUTPUT CAPACITANCE : Cob (pF)
FEEDBACK CAPACITANCE : Cre (pF)
Ta=25°C
f=1MHz
IE=0A
1.0
0.5
2.0
COLLECTOR CURRENT : IC (mA)
Fig.1 DC current gain vs. collector current
5.0
5.0
Ta=25°C
TRANSITIONFREQUENCY : fT (GHz)
Ta=25°C
VCE=10V
Fig.3 Gain bandwidth product
vs. emitter current
Ta=25°C
VCE=6V
f=500MHz
Ta=25°C
VCE=10V
f=31.8MHz
NOISE FIGURE : NF (dB)
DC CURRENT TRANSFER RATIO : hFE
500
COLLECTOR SATURATION VOLTAGE : VCE(sat) (mV)
Electric characteristics curves
20
10
5.0
20
10
2.0
1.0
0.1 0.2
0.5
1
2
5
10
20
50
COLLECTOR CURRENT : IC (mA)
Fig.5 Collector to base time constance
vs. collector current
2/2
0
0.1 0.2
0.5
1
2
5
10
20
50
COLLECTOR CURRENT : IC (mA)
Fig.6 Noisfactor vs.
collector current characteristics
2010.01 - Rev.D
Notice
Notes
No copying or reproduction of this document, in part or in whole, is permitted without the
consent of ROHM Co.,Ltd.
The content specified herein is subject to change for improvement without notice.
The content specified herein is for the purpose of introducing ROHM's products (hereinafter
"Products"). If you wish to use any such Product, please be sure to refer to the specifications,
which can be obtained from ROHM upon request.
Examples of application circuits, circuit constants and any other information contained herein
illustrate the standard usage and operations of the Products. The peripheral conditions must
be taken into account when designing circuits for mass production.
Great care was taken in ensuring the accuracy of the information specified in this document.
However, should you incur any damage arising from any inaccuracy or misprint of such
information, ROHM shall bear no responsibility for such damage.
The technical information specified herein is intended only to show the typical functions of and
examples of application circuits for the Products. ROHM does not grant you, explicitly or
implicitly, any license to use or exercise intellectual property or other rights held by ROHM and
other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the
use of such technical information.
The Products specified in this document are intended to be used with general-use electronic
equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices).
The Products specified in this document are not designed to be radiation tolerant.
While ROHM always makes efforts to enhance the quality and reliability of its Products, a
Product may fail or malfunction for a variety of reasons.
Please be sure to implement in your equipment using the Products safety measures to guard
against the possibility of physical injury, fire or any other damage caused in the event of the
failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM
shall bear no responsibility whatsoever for your use of any Product outside of the prescribed
scope or not in accordance with the instruction manual.
The Products are not designed or manufactured to be used with any equipment, device or
system which requires an extremely high level of reliability the failure or malfunction of which
may result in a direct threat to human life or create a risk of human injury (such as a medical
instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuelcontroller or other safety device). ROHM shall bear no responsibility in any way for use of any
of the Products for the above special purposes. If a Product is intended to be used for any
such special purpose, please contact a ROHM sales representative before purchasing.
If you intend to export or ship overseas any Product or technology specified herein that may
be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to
obtain a license or permit under the Law.
Thank you for your accessing to ROHM product informations.
More detail product informations and catalogs are available, please contact us.
ROHM Customer Support System
http://www.rohm.com/contact/
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
R1010A