C&H Technology QR_3310002 - Manual (Page 5)

Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697-1800 (724) 925-7272 Fast Recovery Diode Module
www.pwrx.com
Revision Date: 10/26/2007
QR_3310002
0
1
2
3
4
5
6
7
8
9
10
10 100 1000 10000
O
n
-S
ta
te
V
o
lt
a
g
e
-
V
tm
-
V
o
lts
Instantaneous On-State Current - Itm - Amperes
Maximum On-State Forward Voltage Drop
( Tj = 150 C )
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
0.22
0.0001 0.001 0.01 0.1 1 10
Ther
m
al
Im
pedanc
e
-
R
jc
-
°C
/W
Time - t - Seconds
Maximum Transient Thermal Impedance
(Junction to Case)
15°
30°
60°
90°
120°
180°
0
50
100
150
200
250
300
350
400
0 10 20 30 40 50 60 70 80
M
a
xi
m
u
m
P
o
w
e
r Di
ssi
pat
ion
P
e
r
S
C
R
-
W
at
ts
Average On-State Current - It(av) - Amperes
Maximum On-State Power Dissipation
(Sinusoidal Waveform)
15°
30° 60°
90°
120°
180°
50
60
70
80
90
100
110
120
130
140
150
0 10 20 30 40 50 60 70 80
M
ax.
C
a
s
e
T
e
m
p
e
rat
ur
e
-
T
c
ase -
°C
Average On-State Current - It(av) - Amperes
Maximum Allowable Case Temperature
(Sinusoidal Waveform)
15°
30°
60°
90°
120°
180°
270°
360°
0
100
200
300
400
500
600
0 20 40 60 80 100 120
M
axi
m
u
m
Po
wer
D
issi
pat
ion
P
e
r
S
C
R
-
W
at
ts
Average On-State Current - It(av) - Amperes
Maximum On-State Power Dissipation
(Rectangular Waveform)
15°
30° 60° 90° 120° 180° 270°
360°C
40
50
60
70
80
90
100
110
120
130
140
150
0 20 40 60 80 100 120
M
ax.
C
ase T
e
m
p
er
at
ur
e
-
T
case
-
°C
Average On-State Current - It(av) - Amperes
Maximum Allowable Case Temperature
(Rectangular Waveform)