MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document
by MUR420/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 25, 50 and 75 Nanosecond Recovery Times
175°C Operating Junction Temperature
Low Forward Voltage
Low Leakage Current
High Temperature Glass Passivated Junction
Reverse Voltage to 600 Volts
MUR420
MUR460
MUR420 and MUR460 are
Motorola Preferred Devices
Mechanical Characteristics:
•
Case: Epoxy, Molded
•
Weight: 1.1 gram (approximately)
•
Finish: All External Surfaces Corrosion Resistant and Terminal Leads are
Readily Solderable
•
Lead and Mounting Surface Temperature for Soldering Purposes: 220°C
Max. for 10 Seconds, 1/16″ from case
•
Shipped in plastic bags, 5,000 per bag
•
Available Tape and Reeled, 1500 per reel, by adding a “RL’’ suffix to the
part number
•
Polarity: Cathode indicated by Polarity Band
•
Marking: U420, U460
ULTRAFAST
RECTIFIERS
4.0 AMPERES
200–600 VOLTS
CASE 267–03
PLASTIC
MAXIMUM RATINGS
MUR
Rating
R i
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Forward Current (Square Wave)
(Mounting Method #3 Per Note 1)
Nonrepetitive Peak Surge Current
(Surge applied at rated load conditions, half wave, single phase, 60 Hz)
Operating Junction Temperature and Storage Temperature
Symbol
S b l
VRRM
VRWM
VR
IF(AV)
IFSM
TJ, Tstg
420
200
460
600
Unit
U i
Volts
4.0 @ TA = 80°C
125
4.0 @ TA = 40°C
70
Amps
Amps
°C
*
65 to +175
See Note 1
THERMAL CHARACTERISTICS
Maximum Thermal Resistance, Junction to Ambient
R
θJA
°C/W
ELECTRICAL CHARACTERISTICS
Maximum Instantaneous Forward Voltage (1)
(iF = 3.0 Amps, TJ = 150°C)
(iF = 3.0 Amps, TJ = 25°C)
(iF = 4.0 Amps, TJ = 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 Amp, di/dt = 50 Amp/µs)
(IF = 0.5 Amp, iR = 1.0 Amp, IREC = 0.25 Amp)
Maximum Forward Recovery Time
(IF = 1.0 A, di/dt = 100 A/µs, Recovery to 1.0 V)
(1) Pulse Test: Pulse Width = 300
µs,
Duty Cycle
SWITCHMODE is a trademark of Motorola, Inc.
Preferred
devices are Motorola recommended choices for future use and best overall value.
vF
0.710
0.875
0.890
iR
150
5.0
trr
35
25
tfr
25
75
50
50
250
10
1.05
1.25
1.28
Volts
µA
ns
ns
v
2.0%.
Rev 3
©
Rectifier
Inc. 1996
Data
Motorola,
Device
1
MUR420 MUR460
MUR420
100
IR, REVERSE CURRENT (
m
A)
70
50
80
40
20
8.0
4.0
2.0
0.8
0.4
0.2
0.08
0.04
0.02
0.008
0.004
0.002
0
5.0
20
40
60
80
100
120
140
TJ = 175°C
100°C
30
20
i F , INSTANTANEOUS FORWARD CURRENT (AMPS)
25°C
10
7.0
160
180 200
VR, REVERSE VOLTAGE (VOLTS)
Figure 2. Typical Reverse Current
3.0
2.0
25°C
IF(AV) , AVERAGE FORWARD CURRENT (AMPS)
10
Rated VR
R
q
JA = 28°C/W
TJ = 175°C
1.0
0.7
0.5
0.3
0.2
100°C
8.0
6.0
dc
4.0
SQUARE WAVE
2.0
0
0
50
100
150
200
250
TA, AMBIENT TEMPERATURE (°C)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
vF, INSTANTANEOUS VOLTAGE (VOLTS)
Figure 1. Typical Forward Voltage
Figure 3. Current Derating
(Mounting Method #3 Per Note 1)
PF(AV) , AVERAGE POWER DISSIPATION (WATTS)
10
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
SQUAREWAVE
dc
(Capacitive
Load)
IPK =20
IAV
10
5.0
C, CAPACITANCE (pF)
200
TJ = 25°C
100
90
80
70
60
50
40
30
20
0
10
20
30
40
50
VR, REVERSE VOLTAGE (VOLTS)
Figure 4. Power Dissipation
Figure 5. Typical Capacitance
2
Rectifier Device Data
MUR420 MUR460
MUR460
20
IR, REVERSE CURRENT (
m
A)
400
200
80
40
20
8.0
4.0
2.0
0.8
0.4
0.2
0.08
0.04
0.02
0.008
0.004
TJ = 175°C
10
7.0
5.0
100°C
25°C
i F , INSTANTANEOUS FORWARD CURRENT (AMPS)
3.0
TJ = 175°C
2.0
25°C
100°C
1.0
0.7
0.5
0
100
200
300
400
500
600
700
VR, REVERSE VOLTAGE (VOLTS)
Figure 7. Typical Reverse Current
IF(AV) , AVERAGE FORWARD CURRENT (AMPS)
0.3
0.2
10
Rated VR
R
q
JA = 28°C/W
8.0
0.1
0.07
0.05
6.0
4.0
SQUARE WAVE
2.0
0
0
50
dc
0.03
0.02
0.3
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.9
2.1
2.3
100
150
200
250
vF, INSTANTANEOUS VOLTAGE (VOLTS)
TA, AMBIENT TEMPERATURE (°C)
Figure 6. Typical Forward Voltage
Figure 8. Current Derating
(Mounting Method #3 Per Note 1)
PF(AV) , AVERAGE POWER DISSIPATION (WATTS)
14
12
10
10
8.0
6.0
4.0
2.0
0
0
1.0
2.0
3.0
4.0
5.0
6.0
(Capacitive
Load)
IPK =20
IAV
SQUAREWAVE
5.0
C, CAPACITANCE (pF)
dc
40
30
TJ = 25°C
20
10
9.0
8.0
7.0
6.0
5.0
7.0
8.0
9.0
10
4.0
0
10
20
30
40
VR, REVERSE VOLTAGE (VOLTS)
50
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
Figure 9. Power Dissipation
Figure 10. Typical Capacitance
Rectifier Device Data
3
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