
7
What is a Linear MOSFET
A MOSFET specifically designed to be more
robust than a standard MOSFET when
operated with concurrent high voltage and
high current near DC conditions
(>100msecs).
APT Technology Innovation
A low gain (low packing density) device
provides the best SOA performance at high
voltage. APT has modified its proprietary
interdigitated MOSFET technology to
develop a lower gain device with enhanced
performance in high voltage, linear
LINEAR MOSFET’S
LINEAR MOSFETs
Typical Applications:
-Active load above 200 volts such as DC
dynamic loads for testing power supplies,
batteries, fuel cells, etc.
-High voltage, high current constant cur-
rent sources.
BV
Volts
R
Ohms
I
D
(Cont.)
Amps
P
SOA1
Watts
APT
Part No.
Package
Style
Watts
1000
0.60
18.0
520
325
APL1001J
ISOTOP
500
0.12
43.0
520
325
APL501J
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SOT-227
G
S
S
D
G
D
S
*ISOTOP
[J]
LINEAR MOSFETs
*Not to Scale
NEW
applications. This new Linear MOSFET
provides 1.5-2.0 times the DC SOA
capability at high voltage compared to
previous APT technologies.