
NTE2958 
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 10A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Pulsed 30A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Maximum Power Dissipation, P 
Channel Temperature Range, T 
Storage Temperature Range, T 
Thermal Resistance, Channel–to–Case, R 
Isolation Voltage, V
ISO
DSS
GS
D
ch
stg
th(ch–c)
700V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
±30V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
40W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
–55° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
–55° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
3.13°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
2000V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
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 = 5A 4.8 8.0 – S
(BR)DSSVDS 
(BR)GSSVDS
GSS
DSS
GS(th) 
DS(on)VGS 
DS(on)VGS
 = 0V, ID = 1mA 700 – – V
 = 0V, IG = ±100µA ±30 – – V 
VGS = ±25V, VDS = 0V – – ±10 µA 
VDS = 700V, VGS = 0 – – 1.0 mA 
VDS = 10V, ID = 1mA 2.0 3.0 4.0 V
 = 10V, ID = 5A – 1.0 1.3 Ω 
 = 10V, ID = 5A – 5.0 6.5 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)
.114 (2.9)
VGS = 0V, VDS = 25V, f = 1MHz – 1380 – pF
iss
oss
rss
VDD = 200V 
R
r
f
IS = 5A, VGS = 0V – 1.0 1.5 V
SD
.181 (4.6) 
Max
.252 
(6.4)
 = RGS = 50Ω
GEN
 = 5A, VGS = 10V,
, ID
.126 (3.2) Dia Max
.405 (10.3)
Max
Isol
– 150 – pF 
– 32 – pF 
– 25 – ns 
– 33 – ns 
– 170 – ns 
– 55 – ns
.531
(13.5)
Min
.622
(15.0)
Max
GDS
.118
(3.0)
Max
.100 (2.54).098 (2.5)