(Surge Applied at Rated Load Conditions Halfwave, Single Phase, 60 Hz)
Controlled Avalanche Energy
Operating Junction and Storage Temperature Range
Symbol
V
RRM
V
RWM
V
R
I
F(AV)
Value
400
Unit
V
4.0
8.0
8.0
100
20
−65
to +175
A
I
FM
I
FSM
W
AVAL
T
J
, T
stg
A
A
mJ
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
THERMAL CHARACTERISTICS
Characteristic
Maximum Thermal Resistance, Junction−to−Case
Maximum Thermal Resistance, Junction−to−Ambient
Conditions
Min. Pad
Min. Pad
Symbol
R
qJC
R
qJA
Max
3.0
60
Unit
°C/W
ELECTRICAL CHARACTERISTICS
Characteristic
Maximum Instantaneous Forward Voltage (Note 1)
(i
F
= 4.0 A, T
j
= 150°C)
(i
F
= 4.0 A, T
j
= 25°C)
Maximum Instantaneous Reverse Current (Note 1)
(Rated dc Voltage, T
j
= 150°C)
(Rated dc Voltage, T
j
= 25°C)
Maximum Reverse Recovery Time
(I
F
= 1.0 A, di/dt = 50 A/ms)
1. Pulse Test: Pulse Width = 300
ms,
Duty Cycle
≤
2.0%.
100
175°C
100°C
100
175°C
100°C
Symbol
v
F
Min
−
−
−
−
−
Typical
1.12
1.45
300
4.0
−
Max
1.9
2.2
500
10
28
Unit
V
i
R
mA
t
rr
ns
I
F
, INSTANTANEOUS FORWARD CURRENT (A)
I
F
, INSTANTANEOUS FORWARD CURRENT (A)
150°C
10
25°C
150°C
10
25°C
1.0
1.0
0.1
0.4
0.8
1.2
1.6
2.0
2.4
2.8
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
3.2
0.1
0.6 1.0 1.4 1.8 2.2 2.6 3.0 3.4 3.8 4.2 4.6 5.0
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Figure 1. Typical Forward Voltage
Figure 2. Maximum Forward Voltage
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2
MURH840CT
I F(AV) , AVERAGE FORWARD CURRENT (AMPS)
1000
500
IR, REVERSE CURRENT (
μ
A)
200
100
50
20
10
5
2
1
0.5
0.2
0.1
T
J
= 150°C
8.0
7.0
6.0
5.0
4.0
SQUARE WAVE
3.0
2.0
DC
R
qJA
= 16°C/W
DC
100°C
25°C
0
50
100
150
200
250
300
350
400
V
R
, REVERSE VOLTAGE (VOLTS)
1.0 SQUARE WAVE
R
qJA
= 60°C/W, NO HEATSINK
0
0
25
50
75
100
125
T
A
, AMBIENT TEMPERATURE (°C)
150
175
Figure 3. Typical Reverse Current, Per Leg
8.0
I
F(AV)
, AVERAGE FORWARD CURRENT (A)
DC
Figure 4. Forward Current Derating, Ambient, Per Leg
1000
C, CAPACITANCE (pF)
6.0
100
4.0
SQUARE
WAVE
10
2.0
0
120
130
140
150
160
T
C
, CASE TEMPERATURE (°C)
170
180
1
0.01
0.1
1
10
V
R
, REVERSE VOLTAGE (VOLTS)
100
Figure 5. Current Derating, Case, Per Leg
Figure 6. Typical Capacitance, Per Leg
PF(AV) , AVERAGE POWER DISSIPATION (WATTS)
60
56
52
48
44
40
36
32
28
24
20
16
12
8.0
4.0
0
T
J
= 175°C
SQUARE WAVE
DC
0
2.0
4.0
6.0
8.0
10
12
14
I
F(AV)
, AVERAGE FORWARD CURRENT (AMPS)
16
Figure 7. Power Dissipation, Per Leg
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3
MURH840CT
PACKAGE DIMENSIONS
TO−220
CASE 221A−09
ISSUE AF
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION Z DEFINES A ZONE WHERE ALL
BODY AND LEAD IRREGULARITIES ARE
ALLOWED.
DIM
A
B
C
D
F
G
H
J
K
L
N
Q
R
S
T
U
V
Z
INCHES
MIN
MAX
0.570
0.620
0.380
0.405
0.160
0.190
0.025
0.035
0.142
0.161
0.095
0.105
0.110
0.155
0.014
0.025
0.500
0.562
0.045
0.060
0.190
0.210
0.100
0.120
0.080
0.110
0.045
0.055
0.235
0.255
0.000
0.050
0.045
---
---
0.080
ANODE
CATHODE
ANODE
CATHODE
MILLIMETERS
MIN
MAX
14.48
15.75
9.66
10.28
4.07
4.82
0.64
0.88
3.61
4.09
2.42
2.66
2.80
3.93
0.36
0.64
12.70
14.27
1.15
1.52
4.83
5.33
2.54
3.04
2.04
2.79
1.15
1.39
5.97
6.47
0.00
1.27
1.15
---
---
2.04
−T−
B
4
SEATING
PLANE
F
T
C
S
Q
1 2 3
A
U
K
H
Z
L
V
G
D
N
R
J
STYLE 6:
PIN 1.
2.
3.
4.
MEGAHERTZ is a trademark of Semiconductor Components Industries, LLC.
ON Semiconductor
and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
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