DN3145
N-Channel Depletion-Mode Vertical DMOS FETs
Features
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High input impedance
Low input capacitance
Fast switching speeds
Low on resistance
Free from secondary breakdown
Low input and output leakage
General Description
The Supertex DN3145 is a depletion-mode (normally-on)
transistor utilizing an advanced vertical DMOS structure and
Supertex’s well-proven silicon-gate manufacturing process.
This combination produces a device with the power handling
capabilities of bipolar transistors and with the high input
impedance and positive temperature coefficient inherent
in MOS devices. Characteristic of all MOS structures, this
device is free from thermal runaway and thermally-induced
secondary breakdown.
Supertex’s vertical DMOS FETs are ideally suited to a
wide range of switching and amplifying applications where
high breakdown voltage, high input impedance, low input
capacitance, and fast switching speeds are desired.
Applications
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Normally-on switches
Solid state relays
Converters
Constant current sources
Power supply circuits
Telecom
Ordering Information
BV
DSX
/
BV
DGX
450V
R
DS(ON)
(max)
(min)
I
DSS
Package Options
TO-243AA
1
DN3145N8
DN3145N8-G
60Ω
120mA
-G indicates package is RoHS compliant (‘Green’)
Notes:
1
Same as SOT-89.
Product marking for TO-243AA:
DN1M
where
= 2-week alpha date code
Absolute Maximum Ratings
Parameter
Drain-to-source voltage
Drain-to-gate voltage
Gate-to-source voltage
Operating and storage
temperature
Soldering temperature*
Value
BV
DSX
BV
DGX
±20V
-55
O
C to +150
O
C
300
O
C
Pin Configuration
D
Absolute Maximum Ratings are those values beyond which damage to the device
may occur. Functional operation under these conditions is not implied. Continuous
operation of the device at the absolute rating level may affect device reliability. All
voltages are referenced to device ground.
*Distance of 1.6mm from case for 10 seconds.
G
D
S
TO-243AA
(top view)
SUPERTEX [ Supertex, Inc ]
