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IRF840_02 Datasheet, PDF (3/8 Pages) STMicroelectronics – N-CHANNEL 500V - 0.75Ω - 8A TO-220 PowerMesh™II MOSFET
ELECTRICAL CHARACTERISTICS (CONTINUED)
SWITCHING ON
Symbol
Parameter
td(on)
tr
Turn-on Delay Time
Rise Time
Qg
Total Gate Charge
Qgs
Gate-Source Charge
Qgd
Gate-Drain Charge
Test Conditions
VDD = 250 V, ID = 3.5 A
RG = 4.7Ω VGS = 10 V
(see test circuit, Figure 3)
VDD = 400V, ID = 7 A,
VGS = 10V
SWITCHING OFF
Symbol
Parameter
tr(Voff)
Off-voltage Rise Time
tf
Fall Time
tc
Cross-over Time
Test Conditions
VDD = 400V, ID = 7 A,
RG = 4.7Ω, VGS = 10V
(see test circuit, Figure 5)
SOURCE DRAIN DIODE
Symbol
Parameter
Test Conditions
ISD
Source-drain Current
ISDM (2) Source-drain Current (pulsed)
VSD (1) Forward On Voltage
ISD = 8 A, VGS = 0
trr
Qrr
IRRM
Reverse Recovery Time
Reverse Recovery Charge
Reverse Recovery Current
ISD = 7 A, di/dt = 100A/µs
VDD = 100V, Tj = 150°C
(see test circuit, Figure 5)
Note: 1. Pulsed: Pulse duration = 300 µs, duty cycle 1.5 %.
2. Pulse width limited by safe operating area.
IRF840
Min. Typ. Max. Unit
10
ns
21
ns
29.6
39
nC
4.9
nC
13.9
nC
Min.
Typ.
9
9
19
Max.
Unit
ns
ns
ns
Min. Typ. Max. Unit
8
A
32
A
1.6
V
384
ns
2.2
µC
11.8
A
Safe Operating Area
Thermal Impedence
3/8