Datasheet

Document Number: 91098 www.vishay.com
S-81263-Rev. A, 21-Jul-08 5
IRFB17N50L, SiHFB17N50L
Vishay Siliconix
Fig. 9 - Maximum Drain Current vs. Case Temperature
Fig. 10a - Switching Time Test Circuit
Fig. 10b - Switching Time Waveforms
Fig. 11 - Maximum Effective Transient Thermal Impedance, Junction-to-Case
Fig. 12a - Unclamped Inductive Test Circuit Fig. 12b - Unclamped Inductive Waveforms
T
C
, Case Temperature (°C)
I
D
, Drain Current (A)
25
50
75
100
125
150
0
4
8
12
16
20
Pulse width 1 µs
Duty factor 0.1 %
R
D
V
GS
R
G
D.U.T.
10 V
+
-
V
DS
V
DD
V
DS
90 %
10 %
V
GS
t
d(on)
t
r
t
d(off)
t
f
0.001
0.01
0.1
1
0.00001 0.0001 0.001 0.01 0.1 1
t , Rectangular Pulse Duration (sec)
Thermal Response (Z
thJC
)
0.01
0.02
0.05
0.10
0.20
D = 0.50
SINGLE PULSE
(THERMAL RESPONSE)
t
1
t
2
Notes:
1. Duty factor D = t
1
/ t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
P
DM
A
R
G
I
AS
0.01 Ω
t
p
D.U.T
L
V
DS
+
-
V
DD
Driver
A
15 V
20 V
I
AS
V
DS
t
p