Datasheet
IRG4PC50UD
www.irf.com 5
Fig. 9 - Typical Switching Losses vs. Gate
Resistance
Fig. 10 - Typical Switching Losses vs.
Junction Temperature
Fig. 8 - Typical Gate Charge vs.
Gate-to-Emitter Voltage
Fig. 7 - Typical Capacitance vs.
Collector-to-Emitter Voltage
0
4
8
12
16
20
0 40 80 120 160 200
GE
V , Gate-to-Emitter Voltage (V)
g
Q , Total Gate Char
g
e 
(
nC
)
A
 V = 400V
 I = 27A
CE
C
1.0
1.5
2.0
2.5
3.0
0 102030405060
G
Total Switching Losses (mJ)
A
R , Gate Resistance (
 Ω
)
 V  = 480V
 V  = 15V
 T = 25°C
 I  = 27A
CC
GE
J
C
0.1
1
10
-60 -40 -20 0 20 40 60 80 100 120 140 160
Total Switching Losses (mJ)
A
T , Junction Temperature 
(
°C
)
J
 R = 5.0
Ω
 V = 15V
 V = 480V
I = 54A
I = 27A
I = 14A
G
GE
CC
C
C
C
0
2000
4000
6000
8000
1 10 100
CE
C, Capacitance (pF)
V , Collector-to-Emitter Volta
g
e 
(
V
)
A
V = 0V,  f = 1MHz
C = C + C  , C SHORTED
C = C
C = C + C
C 
ies
C 
res
C 
oes
GE
ies  ge  gc  ce
res  gc
oes  ce  gc










