Ld47, Pow-r-blok – C&H Technology LD47__50 User Manual
Page 5
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Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD47__50
Maximum Transient Thermal Impedance
.00000
.01000
.02000
.03000
.04000
.05000
.06000
.07000
0.0001
0.001
0.01
0.1
1
10
100
Time - t - Seconds
Thermal Impedance - Zjc - °
C
/W
(Junction to Case, Per Junction)
Maximum On-State Forward Voltage Drop
0.00
1.00
2.00
3.00
4.00
5.00
10
100
1000
10000
100000
Instantaneous On-State Current - Itm / Ifm - Amperes
On-State Voltage - Vtm / Vfm - Volts
( Tj = 130 °C )
0
180
360
CONDUCTION ANGLE
M axim u m O n -S tate Pow er Dissip atio n
15°
30°
60°
90°
120°
180°
0
100
200
300
400
500
600
700
0
100
200
300
400
500
600
Av erag e On -S tate C u rrent - It(av )/ If(av )- Am peres
M
ax
. Pow
er
D
is
si
pa
tion Pe
r J
unc
tion -
Wa
tts
(S inusoidal W av efo rm )
0
180
360
CONDUCTION ANGLE
M axim u m Allo w ab le Case T em p erature
120°
90°
60°
30°
15°
180°
80
85
90
95
100
105
110
115
120
125
130
0
100
200
300
400
500
600
Average O n-State Current - It(av)/ If(av) - Am peres
M
ax.
C
ase Tem
per
at
ur
e -
Tcase -
°C
_
(Sinusoidal W aveform )
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
90°
60°
30°
120°
180°
270°
15°
360°
0
100
200
300
400
500
600
700
800
900
0
100
200
300
400
500
600
700
800
900
Average On-State Current - It(av) / If(av) - Amperes
M
ax.
Pow
er
Di
ssi
pat
ion Per
Junct
ion -
W
at
ts
(Rectangular Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
270°
180°
120°
90°
60°
30°
15°
360°C
60
70
80
90
100
110
120
130
140
0
100
200
300
400
500
600
700
800
900
Average On-State Current - It(av) / If(av) - Amperes
Max. Case T
em
perat
ur
e -
T
case -
°C
(Rectangular Waveform)