Nd42, Pow-r-blok, Electrical characteristics, t – C&H Technology ND42__21 User Manual
Page 4: 25°c unless otherwise specified, Thermal characteristics

Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
www.pwrx.com
Dual SCR/Diode Isolated Module
210 Amperes / Up to 2000 Volts
Revision Date: 05/17/2010
ND42__21
Electrical Characteristics, T
J
=25°C unless otherwise specified
Characteristics Symbol
Test
Conditions
Min.
Max.
Units
Repetitive Peak Forward Leakage Current
I
DRM
Up to 2000V, T
J
=130°C
50
mA
Repetitive Peak Reverse Leakage Current
I
RRM
Up to 2000V, T
J
=130°C
50
mA
Peak On-State Voltage
V
FM
I
TM
=625A
1.40
V
Threshold Voltage, Low-level
Slope Resistance, Low-level
V
(TO)1
r
T1
T
J
= 130°C, I = 15%I
T(AV)
to πI
T(AV)
0.813
0.810
V
mΩ
Threshold Voltage, High-level
Slope Resistance, High-level
V
(TO)2
r
T2
T
J
= 130°C, I = πI
T(AV)
to I
TSM
0.947
0.641
V
mΩ
V
TM
Coefficients, Full Range
T
J
= 130°C, I = 15%I
T(AV)
to I
TSM
V
TM
= A+ B Ln I +C I + D Sqrt I
A =
B =
C =
D =
0.7324
9.80 E-3
5.83 E-4
6.02 E-3
Minimum dV/dt
dV/dt
Exponential to 2/3 V
DRM
T
j
=130°C, Gate Open
500
V/µs
Turn-On Time (Typical)
t
on
I
TM
= 100A, V
D
= 100V
7
(Typical)
µs
Turn-Off Time (Typical)
t
off
T
J
= 130°C, I
T
= 250A
Re-Applied dV/dt = 20V/µs
Linear to 0.8 V
DRM
150 (Typical)
µs
Gate Trigger Current
I
GT
T
j
=25°C, V
D
=12V
150
mA
Gate Trigger Voltage
V
GT
T
j
=25°C, V
D
=12V
3.0
Volts
Non-Triggering Gate Voltage
V
GDM
T
j
=130°C, V
D
= ½ V
DRM
0.15
Volts
Thermal Characteristics
Characteristics Symbol
Max.
Units
Thermal Resistance, Junction to Case
R
ΘJ-C
Per Module, both conducting
Per Junction both conducting
0.07
0.14
°C/W
°C/W
Thermal Impedance Coefficients
Z
Θ
J-C
Z
Θ
J-C
= K
1
(1-exp(-t/
τ
1
))
+ K
2
(1-exp(-t/
τ
2
))
+ K
3
(1-exp(-t/
τ
3
))
+ K
4
(1-exp(-t/
τ
4
))
K
1
= 5.27E-3
K
2
= 1.17E-2
K
3
= 5.26E-2
K
4
= 6.97E-2
τ
1
= 1.69E-4
τ
2
= 2.07E-2
τ
3
= 2.37E-1
τ
4
= 2.46
Thermal Resistance, Case to Sink Lubricated
R
ΘC-S
Per Module
0.03
°C/W