
NTE2973 
MOSFET
N–Channel, Enhancement Mode
High Speed Switch
Applications:
D SMPS 
D DC–DC Converter 
D Battery Charger 
D Power Supply of Printer 
D Copier 
D HDD, FDD, TV, VCR 
D Personal Computer
Absolute Maximum Ratings: (TC = +25°C unless otherwise specified) 
Drain–Source Voltage (VGS = 0V), V
Gate–Source Voltage (VDS = 0V), V 
Drain Current, I
D
Continuous 14A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Pulsed 42A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Maximum Power Dissipation, P 
Channel Temperature Range, T 
Storage Temperature Range, T 
Thermal Resistance, Channel–to–Case, R
DSS
GS
D
ch
stg
th(ch–c)
900V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
±30V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
275W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
–55° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
–55° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
0.45°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Electrical Characteristics: (Tch = +25°C unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Drain–Source Breakdown Voltage V 
Gate–Source Breakdown Voltage V 
Gate–Source Leakage I 
Zero Gate Voltage Drain Current I 
Gate Threshold Voltage V 
Static Drain–Source ON Resistance R 
Drain–Source On–State Voltage V 
Forward Transfer Admittance |yfs| VGS = 10V, ID = 7A 9 15 – S
(BR)DSSVDS 
(BR)GSSVDS
GSS
DSS
GS(th) 
DS(on)VGS 
DS(on)VGS
 = 0V, ID = 1mA 900 – – V
 = 0V, IG = ±100µA ±30 – – V 
VGS = ±25V, VDS = 0V – – ±10 µA 
VDS = 900V, VGS = 0 – – 1.0 mA 
VDS = 10V, ID = 1mA 2.0 3.0 4.0 V
 = 10V, ID = 7A – 0.63 0.85 Ω 
 = 10V, ID = 7A – 4.41 5.95 V

Electrical Characteristics (Cont’d): (Tch = +25°C unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Input Capacitance C 
Output Capacitance C 
Reverse Transfer Capacitance C 
Turn–On Delay Time t 
Rise Time t 
Turn–Off Delay Time t 
Fall Time t 
Diode Forward Voltage V
d(on)
d(off)
.190 (4.82)
iss
oss
rss
r
f
SD
VGS = 0V, VDS = 25V, f = 1MHz – 2900 – pF
– 290 – pF 
– 50 – pF
VDD = 200V 
R
 = RGS = 50Ω
GEN
IS = 7A, VGS = 0V – 1.0 1.5 V
 = 7A, VGS = 10V,
, ID
– 45 – ns 
– 65 – ns 
– 325 – ns 
– 100 – ns
.615 (15.62)
.787
(20.0)
.591
(15.02)
.787
(20.0)
.126 (3.22) Dia
GDS
.215 (5.47)