FSF254D, FSF254R
18A, 250V, 0.170 Ohm, Rad Hard,
SEGR Resistant, N-Channel Power MOSFETs
June 1998
Features
Description
• 18A, 250V, r
• Total Dose
= 0.170Ω
The Discrete Products Operation of Intersil Corporation has
developed a series of Radiation Hardened MOSFETs specif-
ically designed for commercial and military space applica-
DS(ON)
- Meets Pre-RAD Specifications to 100K RAD (Si)
tions. Enhanced Power MOSFET immunity to Single Event
Effects (SEE), Single Event Gate Rupture (SEGR) in particu-
lar, is combined with 100K RADS of total dose hardness to
provide devices which are ideally suited to harsh space envi-
ronments. The dose rate and neutron tolerance necessary
for military applications have not been sacrificed.
• Single Event
- Safe Operating Area Curve for Single Event Effects
2
- SEE Immunity for LET of 36MeV/mg/cm with
V
up to 80% of Rated Breakdown and
of 10V Off-Bias
DS
V
GS
The Intersil portfolio of SEGR resistant radiation hardened
MOSFETs includes N-Channel and P-Channel devices in a
variety of voltage, current and on-resistance ratings.
Numerous packaging options are also available.
• Dose Rate
- Typically Survives 3E9 RAD (Si)/s at 80% BV
DSS
- Typically Survives 2E12 if Current Limited to I
DM
This MOSFET is an enhancement-mode silicon-gate power
field-effect transistor of the vertical DMOS (VDMOS) struc-
ture. It is specially designed and processed to be radiation
tolerant. The MOSFET is well suited for applications
exposed to radiation environments such as switching regula-
tion, switching converters, motor drives, relay drivers and
drivers for high-power bipolar switching transistors requiring
high speed and low gate drive power. This type can be
operated directly from integrated circuits.
• Photo Current
- 15nA Per-RAD(Si)/s Typically
• Neutron
- Maintain Pre-RAD Specifications
for 1E13 Neutrons/cm
2
2
- Usable to 1E14 Neutrons/cm
Reliability screening is available as either commercial, TXV
equivalent of MIL-S-19500, or Space equivalent of
MIL-S-19500. Contact Intersil for any desired deviations
from the data sheet.
Ordering Information
RAD LEVEL SCREENING LEVEL PART NUMBER/BRAND
10K
Commercial
TXV
FSF254D1
FSF254D3
FSF254R1
FSF254R3
FSF254R4
10K
Symbol
D
100K
100K
100K
Commercial
TXV
Space
G
Formerly available as type TA17658.
S
Package
TO-254AA
G
S
D
CAUTION: Beryllia Warning per MIL-S-19500
refer to package specifications.
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
File Number 3972.3
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