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 35 and 60 Nanosecond Recovery Time
175
C Operating Junction Temperature
Popular TO247 Package
High Voltage Capability to 600 Volts
Low Forward Drop
Low Leakage Specified @ 150
C Case Temperature
Current Derating Specified @ Both Case and Ambient
Temperatures
Epoxy Meets UL94, VO @ 1/8
High Temperature Glass Passivated Junction
Mechanical Characteristics
Case: Epoxy, Molded
Weight: 4.3 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 30 units per plastic tube
Marking: U3020, U3040, U3060
MAXIMUM RATINGS, PER LEG
Rating
Symbol
MUR3020WT
MUR3040WT
MUR3060WT
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
200
400
600
Volts
Average Rectified Forward Current @ 145
C
Total Device
IF(AV)
15
30
Amps
Peak Repetitive Surge Current
(Rated VR, Square Wave, 20 kHz, TC = 145
C)
IFM
30
Amps
Nonrepetitive Peak Surge Current
(Surge applied at rated load conditions,
halfwave, single phase, 60 Hz)
IFSM
200
150
Amps
Operating Junction and Storage Temperature
TJ, Tstg
65 to +175
C
THERMAL CHARACTERISTICS, PER LEG
Maximum Thermal Resistance -- Junction to Case
-- Junction to Ambient
R
JC
R
JA
1.5
40
C/W
ELECTRICAL CHARACTERISTICS, PER LEG
Maximum Instantaneous Forward Voltage (1)
(IF = 15 Amp, TC = 150
C)
(IF = 15 Amp, TC = 25
C)
VF
0.85
1.05
1.12
1.25
1.4
1.7
Volts
Maximum Instantaneous Reverse Current (1)
(Rated DC Voltage, TJ = 150
C)
(Rated DC Voltage, TJ = 25
C)
iR
500
10
1000
10
A
Maximum Reverse Recovery Time
(iF = 1.0 A, di/dt = 50 Amps/
s)
trr
35
60
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 MUR3020WT/D
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
1
3
2, 4
MUR3020WT
MUR3040WT
MUR3060WT
ULTRAFAST RECTIFIERS
30 AMPERES
200400600 VOLTS
CASE 340K01
TO247AE
Motorola Preferred Devices
1
3
2
Rev 2
MUR3020WT MUR3040WT MUR3060WT
2
Rectifier Device Data
100
0.1
0.2
0.3
0.5
1
2
3
5
10
20
30
50
i F
, INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(AMPS)
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
vF, INSTANTANEOUS VOLTAGE (VOLTS)
Figure 1. Typical Forward Voltage (Per Leg)
TJ = 150
C
100
C
25
C
100
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
0
20
40
60
80
100
120
140
160
180
200
I R
, REVERSE CURRENT
(
A
)
VR, REVERSE VOLTAGE (VOLTS)
Figure 2. Typical Reverse Current (Per Leg)*
TJ = 150
C
100
C
25
C
*The curves shown are typical for the highest voltage device in the voltage grouping.
Typical reverse current for lower voltage selections can be estimated from these same
curves if VR is sufficiently below rated VR.
16
14
12
10
8
6
4
2
0
140
150
160
170
180
I F(A
V)
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
TC, CASE TEMPERATURE (
C)
Figure 3. Current Derating, Case (Per Leg)
SQUARE WAVE
RATED VOLTAGE APPLIED
dc
14
12
10
8
6
4
2
0
0
20
40
60
80
100
120
140
160
180
200
TA, AMBIENT TEMPERATURE (
C)
Figure 4. Current Derating, Ambient (Per Leg)
P
F(A
V)
,
A
VERAGE POWER DISSIP
A
TION
(W
A
TTS)
16
14
12
10
8
6
4
2
0
0
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
Figure 5. Power Dissipation (Per Leg)
2
4
6
8
10
12
14
16
R
JA = 15
C/W AS OBTAINED
USING A SMALL FINNED
HEAT SINK.
dc
SQUARE WAVE
dc
R
JA = 40
C/W
AS OBTAINED IN FREE AIR
WITH NO HEAT SINK.
SQUARE WAVE
TJ = 125
C
SQUARE WAVE
20
10
dc
(RESISTIVE LOAD)
IPK
IAV
=
(CAPACITIVE LOAD)
IPK
IAV
= 5
I F(A
V)
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
MUR3020WT MUR3040WT MUR3060WT
3
Rectifier Device Data
100
0.1
0.2
0.3
0.5
1
2
3
5
10
20
30
50
i F
, INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(AMPS)
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
vF, INSTANTANEOUS VOLTAGE (VOLTS)
Figure 6. Typical Forward Voltage (Per Leg)
100
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
0
50
100
150
200
250
300
350
400
450
500
I R
, REVERSE CURRENT
(
A
)
VR, REVERSE VOLTAGE (VOLTS)
Figure 7. Typical Reverse Current (Per Leg)*
*The curves shown are typical for the highest voltage device in the voltage grouping.
Typical reverse current for lower voltage selections can be estimated from these same
curves if VR is sufficiently below rated VR.
16
14
12
10
8
6
4
2
0
140
150
160
170
180
I F(A
V)
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
TC, CASE TEMPERATURE (
C)
Figure 8. Current Derating, Case (Per Leg)
dc
14
12
10
8
6
4
2
0
0
120
140
160
180
200
TA, AMBIENT TEMPERATURE (
C)
Figure 9. Current Derating, Ambient (Per Leg)
P
F(A
V)
,
A
VERAGE POWER DISSIP
A
TION
(W
A
TTS)
16
14
12
10
8
6
4
2
0
0
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
Figure 10. Power Dissipation (Per Leg)
2
4
6
8
10
12
14
16
20
dc
I F(A
V)
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
TJ = 150
C
100
C
25
C
TJ = 150
C
100
C
25
C
SQUARE WAVE
RATED VOLTAGE APPLIED
R
JA = 15
C/W AS OBTAINED
USING A SMALL FINNED
HEAT SINK.
SQUARE WAVE
dc
dc
R
JA = 40
C/W
AS OBTAINED IN FREE AIR
WITH NO HEAT SINK.
SQUARE WAVE
20
40
60
80
100
(RESISTIVEINDUCTIVE LOAD)
IPK
IAV
=
TJ = 125
C
SQUARE WAVE
10
(CAPACITIVE LOAD)
IPK
IAV
= 5
MUR3020WT MUR3040WT MUR3060WT
4
Rectifier Device Data
100
0.1
0.2
0.3
0.5
1
2
3
5
10
20
30
50
i F
, INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(AMPS)
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
vF, INSTANTANEOUS VOLTAGE (VOLTS)
Figure 11. Typical Forward Voltage (Per Leg)
100
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
150
I R
, REVERSE CURRENT
(
A
)
VR, REVERSE VOLTAGE (VOLTS)
Figure 12. Typical Reverse Current (Per Leg)*
*The curves shown are typical for the highest voltage device in the voltage grouping.
Typical reverse current for lower voltage selections can be estimated from these same
curves if VR is sufficiently below rated VR.
16
14
12
10
8
6
4
2
0
140
150
160
170
180
I F(A
V)
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
TC, CASE TEMPERATURE (
C)
Figure 13. Current Derating, Case (Per Leg)
dc
10
9
0
120
140
160
180
200
TA, AMBIENT TEMPERATURE (
C)
Figure 14. Current Derating, Ambient (Per Leg)
P
F(A
V)
,
A
VERAGE POWER DISSIP
A
TION
(W
A
TTS)
16
14
12
10
8
6
4
2
0
0
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
Figure 15. Power Dissipation (Per Leg)
2
4
6
8
10
12
14
16
dc
I F(A
V)
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
100
C
25
C
TJ = 150
C
200
250
300
350
400
450
500
550
600
650
25
C
100
C
TJ = 150
C
SQUARE WAVE
RATED VOLTAGE APPLIED
dc
R
JA = 60
C/W
AS OBTAINED IN FREE AIR
WITH NO HEAT SINK.
SQUARE WAVE
SQUARE WAVE
dc
R
JA = 16
C/W AS OBTAINED
FROM A SMALL TO220
HEAT SINK.
20
40
60
80
100
20
10
(CAPACITIVE LOAD)
IPK
IAV
= 5
SQUARE WAVE
TJ = 125
C
IPK
IAV
=
(RESISTIVEINDUCTIVE LOAD)
200
8
7
6
5
4
3
2
1
0
MUR3020WT MUR3040WT MUR3060WT
5
Rectifier Device Data
0.01
0.02
0.05
0.1
0.2
0.5
1
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
50
100
200
500
1K
t, TIME (ms)
Figure 16. Thermal Response
D = 0.5
0.1
0.05
0.01
SINGLE PULSE
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
Z
JC(t) = r(t) R
JC
R
JC = 1.5
C/W MAX
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)
1K
10
20
50
100
200
500
1
2
5
10
20
50
100
VR, REVERSE VOLTAGE (VOLTS)
Figure 17. Typical Capacitance (Per Leg)
C, CAP
ACIT
ANCE
(pF)
TJ = 25
C
MUR3020WT MUR3040WT MUR3060WT
6
Rectifier Device Data
PACKAGE DIMENSIONS
NOTES:
1.
DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2.
CONTROLLING DIMENSION: MILLIMETER.
R
P
A
K
V
F
D
G
U
L
E
0.25 (0.010)
M
T B
M
0.25 (0.010)
M
Y Q
S
J
H
C
4
1
2
3
T
B
Y
Q
DIM
MIN
MAX
MIN
MAX
INCHES
MILLIMETERS
A
19.7
20.3
0.776
0.799
B
15.3
15.9
0.602
0.626
C
4.7
5.3
0.185
0.209
D
1.0
1.4
0.039
0.055
E
1.27 REF
0.050 REF
F
2.0
2.4
0.079
0.094
G
5.5 BSC
0.216 BSC
H
2.2
2.6
0.087
0.102
J
0.4
0.8
0.016
0.031
K
14.2
14.8
0.559
0.583
L
5.5 NOM
0.217 NOM
P
3.7
4.3
0.146
0.169
Q
3.55
3.65
0.140
0.144
R
5.0 NOM
0.197 NOM
U
5.5 BSC
0.217 BSC
V
3.0
3.4
0.118
0.134
CASE 340K01
ISSUE O
STYLE 2:
PIN 1. ANODE 1
2. CATHODE(S)
3. ANODE 2
4. CATHODE(S)
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