MURH840CTG
www.onsemi.com
2
MAXIMUM RATINGS
Rating Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
400 V
Average Rectified Forward Current
(T
C
= 155°C) Per Leg
Total Device
I
F(AV)
4.0
8.0
A
Peak Repetitive Forward Current per Diode Leg
(Square Wave, 20 kHz, T
C
= 149°C)
I
FM
8.0 A
Non−Repetitive Peak Surge Current
(Surge Applied at Rated Load Conditions Halfwave, Single Phase, 60 Hz)
I
FSM
100 A
Controlled Avalanche Energy W
AVAL
20 mJ
Operating Junction and Storage Temperature Range T
J
, T
stg
−65 to +175 °C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
THERMAL CHARACTERISTICS
Characteristic Conditions Symbol Max Unit
Maximum Thermal Resistance, Junction−to−Case Min. Pad
R
q
JC
3.0
°C/W
Maximum Thermal Resistance, Junction−to−Ambient Min. Pad
R
q
JA
60
ELECTRICAL CHARACTERISTICS
Characteristic Symbol Min Typical Max Unit
Maximum Instantaneous Forward Voltage (Note 1)
(i
F
= 4.0 A, T
j
= 150°C)
(i
F
= 4.0 A, T
j
= 25°C)
v
F
−
−
1.12
1.45
1.9
2.2
V
Maximum Instantaneous Reverse Current (Note 1)
(Rated dc Voltage, T
j
= 150°C)
(Rated dc Voltage, T
j
= 25°C)
i
R
−
−
300
4.0
500
10
mA
Maximum Reverse Recovery Time
(I
F
= 1.0 A, di/dt = 50 A/ms)
t
rr
− − 28
ns
1. Pulse Test: Pulse Width = 300 ms, Duty Cycle ≤ 2.0%.
Figure 1. Typical Forward Voltage Figure 2. Maximum Forward Voltage
0.4 0.8 1.2 1.6 2.0
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
2.4 2.8 3.2
10
1.0
0.1
F
, INSTANTANEOUS FORWARD CURRENT (A)
175°C
150°C
100°C
25°C
0.6 1.0 1.4 1.8 2.2
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
2.6 3.0 5.
10
1.0
0.1
I
F
, INSTANTANEOUS FORWARD CURRENT (A
175°C
150°C
100°C
25°C
3.4 3.8 4.2 4.6
