NuPower
TM
12B01A
‐
02
User
Manual
Rev
1.0
5
2.3
HEAT SINKING
The
NuPower
12B01A
‐
02
is
offered
as
a
stand
‐
alone
module
or
with
a
kit,
which
also
includes
a
fan
‐
cooled
heatsink
with
an
AC
/
DC
adapter,
and
an
interface
cable.
Figure 3: The NuPower PA Kit offers “out
‐
of
‐
the
‐
box” operation for the user. The fan
‐
cooled heatsink
with an AC/DC adapter is shown with an example PA (NuPower 12B01A
‐
02 not shown).
Caution:
The
use
of
external
heat
‐
sinking
is
required
especially
for
those
applications
requiring
high
duty
cycle
operation
(e.g.
continuous
wave)
or
for
extended
on
‐
time
testing.
Operation
without
a
proper
heat
sink
under
these
conditions
will
cause
permanent
damage
to
the
product
and
will
void
the
product
warranty.
The
external
heatsink
thermal
resistance
requirements
are:
<0.25
˚
C/W
for
operation
up
to
60
˚
C
ambient
<0.7
˚
C/W
for
operation
up
to
40
˚
C
ambient
