2SK1880(L), 2SK1880(S)
Reverse Drain Current vs.
Source to Drain Voltage
Reverse Drain Current I
DR
(A)
2.0
Pulse Test
1.6
1.2
0.8
0.4
V
GS
= 10 V
0 V, –5 V
0
0.4
0.8
1.2
1.6
2.0
Source to Drain Voltage V
SD
(V)
Normalized Transient Thermal Impedance
γ
S
(t)
Normalized Transient Thermal Impedance vs. Pulse Width
3
D=1
Tc = 25°C
1.0
0.5
0.3
0.1
0.2
0.1
0.05
0.02
t
sho
Pul
se
0.03
0.01
10
µ
1
θ
ch – c(t) =
γ
s(t)
• θ
ch – c
θ
ch – c = 6.25°C / W. Tc = 25°C
PW
D= T
P
DM
T
PW
0.01
100
µ
1m
10 m
100 m
1
10
Pulse Width PW (S)
Rev.2.00 Sep 07, 2005 page 5 of 7