2SK3078A
2002-01-09
1
TOSHIBA Field Effect Transistor Silicon N Channel MOS Type
2SK3078A
VHF/UHF Band Amplifier Applications
Output power: P
o
28.0dBmW
Gain: G
p
8.0dB
Drain Efficiency: D 50%
Maximum Ratings
(Ta = 25C)
Characteristics Symbol
Rating
Unit
Drain-source voltage
V
DSS
10 V
Gate-source voltage
V
GSS
5 V
Drain current
I
D
0.5
A
Power dissipation
P
D
(Note 1)
3
W
Channel temperature
T
ch
150
C
Storage temperature range
T
stg
-45~150 C
Note 1: Tc = 25C
Marking
Electrical Characteristics
(Ta = 25C)
Characteristics Symbol
Test
Condition
Min
Typ.
Max
Unit
Output power
P
O
28.0
dBmW
Drain efficiency
D 50
%
Power gain
G
p
V
DS
= 4.5 V, Iidle = 50 mA
(V
GS
= adjust)
f = 470 MHz, P
i
= 20dBmW
Z
G
= Z
L
== 50
8.0
dB
Threshold voltage
V
th
V
DS
= 4.8 V, I
D
= 0.5 mA
0.20
1.20
V
Drain cut-off current
I
DSS
V
DS
= 10 V, V
GS
= 0 V
10 A
Gate-source leakage current
I
GSS
V
GS
= 5 V, V
DS
= 0 V
5 A
Load mismatch
(Note 2)
V
DS
= 6.5 V, f = 470 MHz,
P
i
= 20dBmW,
P
o
= 28.0dBmW (V
GS
= adjust)
VSWR LOAD 10:1 all phase
No degradation
Caution: This transistor is the electrostatic sensitive device. Please handle with caution.
Note 2: When the RF output power test fixture is used
Unit: mm
JEDEC
JEITA
SC-62
TOSHIBA 2-5K1D
U W
2SK3078A
2002-01-09
5
TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of
safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of
such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability
Handbook" etc..
The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
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The information contained herein is presented only as a guide for the applications of our products. No
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rights of the third parties which may result from its use. No license is granted by implication or otherwise under
any intellectual property or other rights of TOSHIBA CORPORATION or others.
The information contained herein is subject to change without notice.
000707EAA
RESTRICTIONS ON PRODUCT USE
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