1
Rectifier Device Data
SWITCHMODE
TM
Power Rectifiers
. . . designed for use in switching power supplies, inverters and as
free wheeling diodes, these stateoftheart devices have the
following features:
Ultrafast 25, 50 and 75 Nanosecond Recovery Time
175
C Operating Junction Temperature
Popular TO220 Package
Epoxy Meets UL94, VO @ 1/8
Low Forward Voltage
Low Leakage Current
High Temperature Glass Passivated Junction
Reverse Voltage to 600 Volts
Mechanical Characteristics:
Case: Epoxy, Molded
Weight: 1.9 grams (approximately)
Finish: All External Surfaces Corrosion Resistant and Terminal
Leads are Readily Solderable
Lead Temperature for Soldering Purposes: 260
C Max. for
10 Seconds
Shipped 50 units per plastic tube
Marking: U820, U840, U860
MAXIMUM RATINGS
R i
S
b l
MUR
U i
Rating
Symbol
820
840
860
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
200
400
600
Volts
Average Rectified Forward Current
Total Device, (Rated VR), TC = 150
C
IF(AV)
8.0
Amps
Peak Repetitive Forward Current
(Rated VR, Square Wave, 20 kHz), TC = 150
C
IFM
16
Amps
Nonrepetitive Peak Surge Current
(Surge applied at rated load conditions halfwave, single phase, 60 Hz)
IFSM
100
Amps
Operating Junction Temperature and Storage Temperature
TJ, Tstg
65 to +175
C
THERMAL CHARACTERISTICS
Maximum Thermal Resistance, Junction to Case
R
JC
3.0
2.0
C/W
ELECTRICAL CHARACTERISTICS
Maximum Instantaneous Forward Voltage (1)
(iF = 8.0 Amps, TC = 150
C)
(iF = 8.0 Amps, TC = 25
C)
vF
0.895
0.975
1.00
1.30
1.20
1.50
Volts
Maximum Instantaneous Reverse Current (1)
(Rated dc Voltage, TJ = 150
C)
(Rated dc Voltage, TJ = 25
C)
iR
250
5.0
500
10
A
Maximum Reverse Recovery Time
(IF = 1.0 Amp, di/dt = 50 Amps/
s)
(IF = 0.5 Amp, iR = 1.0 Amp, IREC = 0.25 Amp)
trr
35
25
60
50
ns
(1) Pulse Test: Pulse Width = 300
s, Duty Cycle
2.0%.
SWITCHMODE is a trademark of Motorola, Inc.
Preferred devices are Motorola recommended choices for future use and best overall value.
Motorola, Inc. 1996
Order this document
by MUR820/D
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
1
3
4
MUR820
MUR840
MUR860
ULTRAFAST
RECTIFIERS
8 AMPERES
200400600 VOLTS
CASE 221B03
TO220AC
Motorola Preferred Devices
1
3
4
Rev 3
MUR820 MUR840 MUR860
2
Rectifier Device Data
MUR820
Figure 1. Typical Forward Voltage
vF, INSTANTANEOUS VOLTAGE (VOLTS)
0.2
0.5
0.3
0.7
30
0.1
0.3
0.2
2.0
1.0
100
20
7.0
3.0
0.5
5.0
50
, INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(AMPS)
F
1.2
VR, REVERSE VOLTAGE (VOLTS)
0
60
40
100
120
1000
0.1
0.01
10
100
TJ = 175
C
I R
20
80
200
Figure 2. Typical Reverse Current*
TA, AMBIENT TEMPERATURE (
C)
0
12
2.0
6.0
4.0
14
I F(A
V)
0
20
40
60
80
200
TC, CASE TEMPERATURE (
C)
140
150
0
2.0
1.0
3.0
5.0
4.0
I
180
Figure 3. Current Derating, Case
Figure 4. Current Derating, Ambient
0
1.0
6.0
10
0
1.0
2.0
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
Figure 5. Power Dissipation
0.4
0.7
10
70
0.9
1.1
100
C
TJ = 175
C
25
C
160
180
140
1.0
,
REVERSE
CURRENT
(
A)
100
C
25
C
170
160
* The curves shown are typical for the highest voltage device in the
grouping. Typical reverse current for lower voltage selections can be
estimated from these same curves if VR is sufficiently below rated VR.
P
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
TJ = 175
C
i
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
F(A
V)
3.0
4.0
10
5.0
2.0
RATED VR APPLIED
dc
SQUARE WAVE
m
SQUARE WAVE
0.6
0.8
1.0
100
120
140
160
180
8.0
10
dc
,
A
VERAGE POWER DISSIP
A
TION
(W
A
TTS)
F(A
V)
5.0
6.0
7.0
8.0
9.0
3.0
4.0
9.0
8.0
7.0
7.0
6.0
8.0
10
9.0
SQUARE WAVE
dc
SQUARE WAVE
dc
R
q
JA = 16
C/W
R
q
JA = 60
C/W
(NO HEAT SINK)
MUR820 MUR840 MUR860
3
Rectifier Device Data
MUR840
Figure 6. Typical Forward Voltage
vF, INSTANTANEOUS VOLTAGE (VOLTS)
0.6
1.0
30
0.1
0.3
0.2
2.0
1.0
100
20
7.0
3.0
0.5
5.0
50
, INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(AMPS)
F
VR, REVERSE VOLTAGE (VOLTS)
0
150
100
250
300
1000
0.1
0.01
10
100
TJ = 175
C
I R
50
200
500
Figure 7. Typical Reverse Current*
TA, AMBIENT TEMPERATURE (
C)
0
12
2.0
6.0
4.0
14
I F(A
V)
0
20
40
60
80
200
TC, CASE TEMPERATURE (
C)
140
150
0
2.0
1.0
3.0
5.0
4.0
I
180
Figure 8. Current Derating, Case
Figure 9. Current Derating, Ambient
0
1.0
6.0
10
0
1.0
2.0
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
Figure 10. Power Dissipation
0.4
0.7
10
70
1.4
100
C
TJ = 175
C
25
C
400
450
350
1.0
,
REVERSE
CURRENT
(
A)
100
C
25
C
170
160
* The curves shown are typical for the highest voltage device in the
grouping. Typical reverse current for lower voltage selections can be
estimated from these same curves if VR is sufficiently below rated VR.
P
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
TJ = 175
C
i
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
F(A
V)
3.0
4.0
10
5.0
2.0
RATED VR APPLIED
dc
SQUARE WAVE
m
SQUARE WAVE
0.8
1.2
1.6
100
120
140
160
180
8.0
10
dc
,
A
VERAGE POWER DISSIP
A
TION
(W
A
TTS)
F(A
V)
5.0
6.0
7.0
8.0
9.0
3.0
4.0
9.0
8.0
7.0
7.0
6.0
8.0
10
9.0
SQUARE WAVE
dc
SQUARE WAVE
dc
R
q
JA = 16
C/W
R
q
JA = 60
C/W
(NO HEAT SINK)
150
C
MUR820 MUR840 MUR860
4
Rectifier Device Data
MUR860
Figure 11. Typical Forward Voltage
vF, INSTANTANEOUS VOLTAGE (VOLTS)
0.6
1.0
30
0.1
0.3
0.2
2.0
1.0
100
20
7.0
3.0
0.5
5.0
50
, INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(AMPS)
F
VR, REVERSE VOLTAGE (VOLTS)
600
100
300
1000
0.1
0.01
10
100
TJ = 150
C
I R
200
500
Figure 12. Typical Reverse Current*
TA, AMBIENT TEMPERATURE (
C)
0
7.0
2.0
6.0
4.0
9.0
I F(A
V)
0
20
40
60
80
200
TC, CASE TEMPERATURE (
C)
140
150
0
2.0
1.0
3.0
5.0
4.0
I
180
Figure 13. Current Derating, Case
Figure 14. Current Derating, Ambient
0
1.0
6.0
10
0
1.0
2.0
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
Figure 15. Power Dissipation
0.4
0.7
10
70
1.4
100
C
TJ = 150
C
25
C
400
1.0
,
REVERSE
CURRENT
(
A)
100
C
25
C
170
160
* The curves shown are typical for the highest voltage device in the
grouping. Typical reverse current for lower voltage selections can be
estimated from these same curves if VR is sufficiently below rated VR.
P
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
TJ = 175
C
i
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
F(A
V)
3.0
4.0
10
5.0
2.0
RATED VR APPLIED
dc
SQUARE WAVE
m
SQUARE WAVE
0.8
1.2
1.6
100
120
140
160
180
8.0
10
dc
,
A
VERAGE POWER DISSIP
A
TION
(W
A
TTS)
F(A
V)
5.0
6.0
7.0
8.0
9.0
3.0
4.0
9.0
8.0
7.0
7.0
6.0
8.0
10
9.0
SQUARE
WAVE
dc
SQUARE WAVE
dc
R
q
JA = 16
C/W
R
q
JA = 60
C/W
(NO HEAT SINK)
1.8
11
12
13
14
3.0
5.0
1.0
MUR820 MUR840 MUR860
5
Rectifier Device Data
MUR820, MUR840, MUR860
0.01
0.02
0.05
0.1
0.2
0.5
1.0
0.01
0.02
0.05
0.1
0.2
0.5
1.0
2.0
5.0
10
20
50
100
200
500
1000
t, TIME (ms)
Figure 16. Thermal Response
D = 0.5
0.05
SINGLE PULSE
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
Z
JC(t) = r(t) R
JC
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT T1
TJ(pk) TC = P(pk) Z
JC(t)
r(t), TRANSIENT
THERMAL
RESIST
ANCE
(NORMALIZED)
1000
10
30
10
100
VR, REVERSE VOLTAGE (VOLTS)
Figure 17. Typical Capacitance
C, CAP
ACIT
ANCE
(pF)
0.1
0.01
100
300
1.0
TJ = 25
C
MUR840, MUR860
MUR820
R
JC = 1.5
C/W MAX
MUR820 MUR840 MUR860
6
Rectifier Device Data
PACKAGE DIMENSIONS
CASE 221B03
(TO220AC)
ISSUE B
B
R
J
D
G
L
H
Q
T
U
A
K
C
S
4
1
3
DIM
MIN
MAX
MIN
MAX
MILLIMETERS
INCHES
A
0.595
0.620
15.11
15.75
B
0.380
0.405
9.65
10.29
C
0.160
0.190
4.06
4.82
D
0.025
0.035
0.64
0.89
F
0.142
0.147
3.61
3.73
G
0.190
0.210
4.83
5.33
H
0.110
0.130
2.79
3.30
J
0.018
0.025
0.46
0.64
K
0.500
0.562
12.70
14.27
L
0.045
0.060
1.14
1.52
Q
0.100
0.120
2.54
3.04
R
0.080
0.110
2.04
2.79
S
0.045
0.055
1.14
1.39
T
0.235
0.255
5.97
6.48
U
0.000
0.050
0.000
1.27
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
F
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the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
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