TN2540
Low Threshold
N-Channel Enhancement-Mode
Vertical DMOS FETs
Ordering Information
Order Number / Package
BVDSS
/
RDS(ON)
(max)
VGS(th)
(max)
ID(ON)
(min)
BVDGS
TO-92
TO-243AA*
Die†
400V
12Ω
2.0V
1.0A
TN2540N3
TN2540N8
TN2540ND
* Same as SOT-89. Product supplied on 2000 piece carrier tape reels.
†
MIL visual screening available.
Product marking for TO-243AA
TN5D❋
Where❋=2-weekalphadatecode
Features
❏
❏
❏
❏
❏
❏
❏
❏
Low threshold — 2.0V max.
High input impedance
Low input capacitance — 125pF max.
Fast switching speeds
Low Threshold DMOS Technology
These low threshold enhancement-mode (normally-off) transis-
tors utilize a vertical DMOS structure and Supertex's well-proven
silicon-gate manufacturing process. This combination produces
devices 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, these devices are free from thermal runaway and
thermally induced secondary breakdown.
Low on resistance
Free from secondary breakdown
Low input and output leakage
Complementary N- and P-channel devices
Supertex’s vertical DMOS FETs are ideally suited to a wide range
of switching and amplifying applications where very low threshold
voltage, highbreakdownvoltage, highinputimpedance, lowinput
capacitance, and fast switching speeds are desired.
Applications
❏
❏
❏
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❏
❏
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Logic level interfaces – ideal for TTL and CMOS
Solid state relays
Battery operated systems
Photo voltaic drives
Package Options
Analog switches
General purpose line drivers
Telecom switches
D
G
D
S
Absolute Maximum Ratings
Drain-to-Source Voltage
Drain-to-Gate Voltage
Gate-to-Source Voltage
TO-243AA
(SOT-89)
BVDSS
BVDGS
± 20V
SGD
TO-92
Operating and Storage Temperature
Soldering Temperature*
-55°C to +150°C
300°C
* Distance of 1.6 mm from case for 10 seconds.
Note: See Package Outline section for dimensions.
11/12/01
Supertex Inc. does not recommend the use of its products in life support applications and will not knowingly sell its products for use in such applications unless it receives an adequate "products liability
indemnification insurance agreement." Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of devices determined to be defective due to
workmanship. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the
Supertex website: http://www.supertex.com. For complete liability information on all Supertex products, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website.
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