MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
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by MUR3020WT/D
SWITCHMODE
™
Power Rectifiers
. . . designed for use in switching power supplies, inverters and as free
wheeling diodes, these state–of–the–art devices have the following features:
Ultrafast 35 and 60 Nanosecond Recovery Time
175°C Operating Junction Temperature
Popular TO–247 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
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Forward Current @ 145°C
Total Device
Peak Repetitive Surge Current
(Rated VR, Square Wave, 20 kHz, TC = 145°C)
Nonrepetitive Peak Surge Current
(Surge applied at rated load conditions,
halfwave, single phase, 60 Hz)
Operating Junction and Storage Temperature
IFM
IFSM
200
Symbol
VRRM
VRWM
VR
IF(AV)
MUR3020WT
200
•
•
•
•
•
•
•
MUR3020WT
MUR3040WT
MUR3060WT
Motorola Preferred Devices
ULTRAFAST RECTIFIERS
30 AMPERES
200–400–600 VOLTS
1
2, 4
3
1
2
3
CASE 340K–01
TO–247AE
MUR3040WT
400
MUR3060WT
600
Unit
Volts
15
30
30
150
Amps
Amps
Amps
TJ, Tstg
– 65 to +175
°C
THERMAL CHARACTERISTICS, PER LEG
Maximum Thermal Resistance — Junction to Case
— Junction to Ambient
R
θJC
R
θJA
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)
Maximum Instantaneous Reverse Current (1)
(Rated DC Voltage, TJ = 150°C)
(Rated DC Voltage, TJ = 25°C)
Maximum Reverse Recovery Time
(iF = 1.0 A, di/dt = 50 Amps/µs)
(1) Pulse Test: Pulse Width = 300
µs,
Duty Cycle
≤
2.0%.
SWITCHMODE is a trademark of Motorola, Inc.
Preferred
devices are Motorola recommended choices for future use and best overall value.
VF
0.85
1.05
iR
500
10
trr
35
60
1000
10
1.12
1.25
1.4
1.7
Volts
µA
ns
Rev 2
©
Rectifier
Inc. 1996
Data
Motorola,
Device
1
MUR3020WT MUR3040WT MUR3060WT
100
TJ = 150°C
50
30
20
i F , INSTANTANEOUS FORWARD CURRENT (AMPS)
100°C
25°C
IR , REVERSE CURRENT (
µ
A)
100
50
20
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
TJ = 150°C
100°C
25°C
10
5
3
2
0
20
40
60
80 100 120 140 160
VR, REVERSE VOLTAGE (VOLTS)
180
200
*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.
Figure 2. Typical Reverse Current (Per Leg)*
I F(AV) , AVERAGE FORWARD CURRENT (AMPS)
16
14
12
10
SQUARE WAVE
8
6
4
RATED VOLTAGE APPLIED
2
0
140
150
160
170
TC, CASE TEMPERATURE (°C)
180
dc
1
0.5
0.3
0.2
0.1
0.2
0.4
0.6
0.8
1
1.2
vF, INSTANTANEOUS VOLTAGE (VOLTS)
1.4
1.6
Figure 1. Typical Forward Voltage (Per Leg)
Figure 3. Current Derating, Case (Per Leg)
I F(AV) , AVERAGE FORWARD CURRENT (AMPS)
P F(AV) , AVERAGE POWER DISSIPATION (WATTS)
14
dc
12
10
8
6
4
2
SQUARE WAVE
dc
SQUARE WAVE
R
θJA
= 15°C/W AS OBTAINED
USING A SMALL FINNED
HEAT SINK.
16
14
12
10
8
6
SQUARE WAVE
4
TJ = 125°C
2
0
0
2
4
6
8
10
12
14
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
16
I
(RESISTIVE LOAD) PK =
π
IAV
I
(CAPACITIVE LOAD) PK = 5
IAV
10
20
dc
R
θJA
= 40°C/W
AS OBTAINED IN FREE AIR
WITH NO HEAT SINK.
0
0
20
40
60
80
100 120 140
160
TA, AMBIENT TEMPERATURE (°C)
180
200
Figure 4. Current Derating, Ambient (Per Leg)
Figure 5. Power Dissipation (Per Leg)
2
Rectifier Device Data
MUR3020WT MUR3040WT MUR3060WT
100
IR , REVERSE CURRENT (
µ
A)
100
50
20
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
TJ = 150°C
100°C
25°C
50
100°C
30
20
i F , INSTANTANEOUS FORWARD CURRENT (AMPS)
TJ = 150°C
25°C
10
5
3
2
0
50
100
150
200
250
300
350
400
450
500
VR, REVERSE VOLTAGE (VOLTS)
*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.
Figure 7. Typical Reverse Current (Per Leg)*
1
I F(AV) , AVERAGE FORWARD CURRENT (AMPS)
16
14
12
10
SQUARE WAVE
8
6
4
RATED VOLTAGE APPLIED
2
0
140
150
160
170
TC, CASE TEMPERATURE (°C)
180
dc
0.5
0.3
0.2
0.1
0.2
0.4
0.6
0.8
1
1.2
vF, INSTANTANEOUS VOLTAGE (VOLTS)
1.4
1.6
Figure 6. Typical Forward Voltage (Per Leg)
Figure 8. Current Derating, Case (Per Leg)
I F(AV) , AVERAGE FORWARD CURRENT (AMPS)
P F(AV) , AVERAGE POWER DISSIPATION (WATTS)
14
dc
12
10
8
6
4
SQUARE WAVE
dc
R
θJA
= 15°C/W AS OBTAINED
USING A SMALL FINNED
HEAT SINK.
16
14
12
10
I
(RESISTIVE–INDUCTIVE LOAD) PK =
π
IAV
IPK
(CAPACITIVE LOAD)
=5
IAV
10
20
SQUARE WAVE
dc
8
6
4
2
0
0
2
4
6
8
10
SQUARE WAVE
2 R
θJA
= 40°C/W
AS OBTAINED IN FREE AIR
WITH NO HEAT SINK.
0
0
160
20
40
60
80
100 120 140
TA, AMBIENT TEMPERATURE (°C)
TJ = 125°C
180
200
12
14
16
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
Figure 9. Current Derating, Ambient (Per Leg)
Figure 10. Power Dissipation (Per Leg)
Rectifier Device Data
3
MUR3020WT MUR3040WT MUR3060WT
100
IR , REVERSE CURRENT (
µ
A)
200
100
50
20
10
5
2
1
0.5
0.2
0.1
0.05
5
3
2
0.02
150
200
250
300
350
400
450
500
550
600
650
TJ = 150°C
100°C
50
TJ = 150°C
30
100°C
20
i F , INSTANTANEOUS FORWARD CURRENT (AMPS)
25°C
10
25°C
VR, REVERSE VOLTAGE (VOLTS)
*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.
Figure 12. Typical Reverse Current (Per Leg)*
I F(AV) , AVERAGE FORWARD CURRENT (AMPS)
16
14
12
SQUARE WAVE
10
8
6
4
RATED VOLTAGE APPLIED
2
0
140
150
160
170
TC, CASE TEMPERATURE (°C)
180
dc
1
0.5
0.3
0.2
0.1
0.2
0.4
0.6
0.8
1
1.2
vF, INSTANTANEOUS VOLTAGE (VOLTS)
1.4
1.6
Figure 11. Typical Forward Voltage (Per Leg)
Figure 13. Current Derating, Case (Per Leg)
I F(AV) , AVERAGE FORWARD CURRENT (AMPS)
P F(AV) , AVERAGE POWER DISSIPATION (WATTS)
10
9
8
7
6
5
4
3
SQUARE WAVE
R
θJA
= 60°C/W
1 AS OBTAINED IN FREE AIR
0 WITH NO HEAT SINK.
0
20
40
60
80
100 120 140
TA, AMBIENT TEMPERATURE (°C)
2
dc
SQUARE WAVE
dc
R
θJA
= 16°C/W AS OBTAINED
FROM A SMALL TO–220
HEAT SINK.
16
14
12
10
8
6
4
2
0
0
I
(CAPACITIVE LOAD) PK = 5
IAV
10
dc
20
SQUARE WAVE
(RESISTIVE–INDUCTIVE LOAD)
IPK =
π
IAV
TJ = 125°C
160
180
200
2
4
6
8
10
12
14
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
16
Figure 14. Current Derating, Ambient (Per Leg)
Figure 15. Power Dissipation (Per Leg)
4
Rectifier Device Data
r(t), TRANSIENT THERMAL RESISTANCE (NORMALIZED)
MUR3020WT MUR3040WT MUR3060WT
1
D = 0.5
0.5
0.2
0.1
0.05
0.1
0.05
0.01
SINGLE PULSE
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
Z
θJC(t)
= r(t) R
θJC
R
θJC
= 1.5°C/W MAX
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT T1
TJ(pk) – TC = P(pk) Z
θJC(t)
0.02
0.01
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
t, TIME (ms)
10
20
50
100
200
500
1K
Figure 16. Thermal Response
1K
500
C, CAPACITANCE (pF)
200
100
50
20
10
TJ = 25°C
1
2
5
10
20
VR, REVERSE VOLTAGE (VOLTS)
50
100
Figure 17. Typical Capacitance (Per Leg)
Rectifier Device Data
5
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