Nd41 – C&H Technology ND41__26 User Manual
Page 4
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
www.pwrx.com
Dual Diode Isolated Module
260 Amperes / Up to 2400 Volts
Revision Date: 05/17/2010
ND41__26
Electrical Characteristics, T
J
=25°C unless otherwise specified
Characteristics
Symbol
Test Conditions
Min.
Max.
Units
Repetitive Peak Reverse Leakage Current
I
RRM
Up to 2400V, T
J
=150°C
50
mA
Peak On-State Voltage
V
FM
I
FM
=1500A
1.35
V
Threshold Voltage, Low-level
Slope Resistance, Low-level
V
(TO)1
r
T1
T
J
= 150°C, I = 15%I
F(AV)
to πI
F(AV)
0.764
0.360
V
mΩ
Threshold Voltage, High-level
Slope Resistance, High-level
V
(TO)2
r
T2
T
J
= 150°C, I = πI
F(AV)
to I
FSM
.710
0.420
V
mΩ
V
TM
Coefficients, Full Range
T
J
= 150°C, I = 15%I
F(AV)
to I
FSM
V
FM
= A+ B Ln I +C I + D Sqrt I
A =
B =
C =
D =
0.7140
0.0232
4.72 E-4
-6.71 E-3
Diode Reverse Recovery Time (Typical)
t
rr
I
fm
= 1500A, T
p
= 190 µs
di/dt = -25A/µs
10
µ
s
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