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STB20NK50Z_09 Datasheet, PDF (5/18 Pages) STMicroelectronics – N-channel 500 V, 0.23 Ω, 17 A SuperMESH™ Power MOSFET Zener-protected TO-220, TO-247, TO-220FP, D2PAK
STx20NK50Z
2
Electrical characteristics
Electrical characteristics
(TCASE = 25 °C unless otherwise specified)
Table 5. On/off states
Symbol
Parameter
Drain-source
V(BR)DSS breakdown voltage
IDSS
IGSS
VGS(th)
RDS(on)
Zero gate voltage
drain current (VGS = 0)
Gate-body leakage
current (VDS = 0)
Gate threshold voltage
Static drain-source on
resistance
Test conditions
Min. Typ. Max. Unit
ID =1 mA, VGS = 0
500
V
VDS = max rating
VDS = max rating, TC = 125 °C
1 µA
50 µA
VGS = ± 20 V
± 10 µA
VDS = VGS, ID = 100 µA
3 3.75 4.5 V
VGS = 10 V, ID = 8.5 A
0.23 0.27 Ω
Table 6. Dynamic
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
gfs (1) Forward transconductance VDS = 15 V, ID = 8.5 A
- 13
S
Ciss
Coss
Crss
Input capacitance
Output capacitance
VDS = 25 V, f = 1 MHz,
Reverse transfer capacitance VGS = 0
2600
- 328
72
pF
pF
pF
Coss eq. (2)
Equivalent output
capacitance
VDS =0, VDS = 0 to 640 V
- 187
pF
td(on)
tr
td(off)
tf
Turn-on delay time
Rise time
Turn-off delay time
Fall time
28
ns
VDD = 250 V, ID = 8.5 A,
20
ns
RG = 4.7 Ω, VGS = 10 V
(see Figure 19)
-
70
ns
15
ns
Qg Total gate charge
Qgs Gate-source charge
Qgd Gate-drain charge
VDD = 400 V, ID = 17 A,
VGS = 10 V
(see Figure 20)
85 119 nC
- 15.5
nC
42
nC
1. Pulsed: pulse duration=300µs, duty cycle 1.5%
2. Coss eq. is defined as a constant equivalent capacitance giving the same charging time as Coss when VDS
increases from 0 to 80% VDSS.
Doc ID 9118 Rev 9
5/18