1
Rectifier Device Data
. . . 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
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
MAXIMUM RATINGS
Ri
Sbl
MUR
Ui
Rating Symbol 420 460 Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
200 600 Volts
Average Rectified Forward Current (Square Wave)
(Mounting Method #3 Per Note 1) IF(AV) 4.0 @ TA = 80°C4.0 @ TA = 40°C Amps
Nonrepetitive Peak Surge Current
(Surge applied at rated load conditions, half wave, single phase, 60 Hz) IFSM 125 70 Amps
Operating Junction Temperature and Storage Temperature TJ, Tstg
*
65 to +175 °C
THERMAL CHARACTERISTICS
Maximum Thermal Resistance, Junction to Ambient RθJA See Note 1 °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)
vF0.710
0.875
0.890
1.05
1.25
1.28
Volts
Maximum Instantaneous Reverse Current (1)
(Rated dc Voltage, TJ = 150°C)
(Rated dc Voltage, TJ = 25°C)
iR150
5.0 250
10
µA
Maximum Reverse Recovery T ime
(IF = 1.0 Amp, di/dt = 50 Amp/µs)
(IF = 0.5 Amp, iR = 1.0 Amp, IREC = 0.25 Amp)
trr 35
25 75
50
ns
Maximum Forward Recovery T ime
(IF = 1.0 A, di/dt = 100 A/µs, Recovery to 1.0 V) tfr 25 50 ns
(1) Pulse Test: Pulse Width = 300 µs, Duty Cycle
v
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 MUR420/D
SEMICONDUCTOR TECHNICAL DATA
ULTRAFAST
RECTIFIERS
4.0 AMPERES
200–600 VOLTS
CASE 267–03
PLASTIC
MUR420 and MUR460 are
Motorola Preferred Devices
Rev 3
2Rectifier Device Data
MUR420
Figure 1. Typical Forward Voltage
vF, INSTANTANEOUS VOLTAGE (VOLTS)
0.3 0.60.4 0.8
30
0.1
0.3
0.2
2.0
1.0
100
20
7.0
3.0
0.5
5.0
50
, INSTANTANEOUS FORWARD CURRENT (AMPS)
F
VR, REVERSE VOLTAGE (VOLTS)
06040 100 120
40
80
0.008
0.004
0.002
0.8
0.4
0.2
20
4.0
2.0
8.0
TJ = 175
°
C
IR
20 80 200
Figure 2. Typical Reverse Current
TA, AMBIENT TEMPERATURE (
°
C)
050
0
4.0
2.0
6.0
10
8.0
I
200
Figure 3. Current Derating
(Mounting Method #3 Per Note 1)
Figure 4. Power Dissipation
0 2.0
1.0
2.0
3.0
4.0
04.0 6.0 8.0
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
PF(AV)
Figure 5. Typical Capacitance
0.7
10
70
1.0 1.1 1.2
100
°
C
TJ = 175
°
C
25
°
C
160 180140
0.08
0.04
0.02
, REVERSE CURRENT ( A)
m
100
°
C
25
°
C
100 150
, AVERAGE POWER DISSIPATION (WATTS)
dc
SQUAREWAVE
i
1.0 3.0 5.0 7.0
5.0
6.0
7.0
8.0
, A VERAGE FORWARD CURRENT (AMPS)
F(AV)
SQUARE W AVE dc
0.2
Rated VR
R
q
JA = 28
°
C/W
0.5 0.7 0.9 250
200
20
30
40
10 VR, REVERSE VOLTAGE (VOLTS)
C, CAPACITANCE (pF)
50
60
70
80
90
100
20 30 5040
0
TJ = 25
°
C
9.0
10
5.0
10
IPK
IAV
(Capacitive
Load) =20
3
Rectifier Device Data
MUR460
Figure 6. Typical Forward Voltage
vF, INSTANTANEOUS VOLTAGE (VOLTS)
0.5 1.10.7 1.5
0.03
0.1
0.3
0.2
2.0
1.0
0.02
20
7.0
3.0
0.5
5.0
0.05
, INSTANTANEOUS FORWARD CURRENT (AMPS)
F
VR, REVERSE VOLTAGE (VOLTS)
0 200100 400
40
80
0.008
0.004
200
0.8
0.4
0.2
20
4.0
2.0
8.0
TJ = 175
°
C
IR
300 700
Figure 7. Typical Reverse Current
TA, AMBIENT TEMPERATURE (
°
C)
050
0
4.0
2.0
6.0
10
8.0
I
200
Figure 8. Current Derating
(Mounting Method #3 Per Note 1)
Figure 9. Power Dissipation
0 2.0
2.0
4.0
6.0
8.0
04.0 6.0 8.0
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
PF(AV)
Figure 10. Typical Capacitance
0.7
10
0.07
1.9 2.1 2.3
100
°
C
TJ = 175
°
C
25
°
C
600500
0.08
0.04
0.02
, REVERSE CURRENT ( A)
m
100
°
C
25
°
C
100 150
, AVERAGE POWER DISSIPATION (WATTS)
IPK
IAV
dc
SQUAREWAVE
i
1.0 3.0 5.0 7.0
10
12
14
, A VERAGE FORWARD CURRENT (AMPS)
F(AV)
SQUARE W AVE
dc
0.3
Rated VR
R
q
JA = 28
°
C/W
0.9 1.3 1.7 250
40
20
30
4.0 10 VR, REVERSE VOLTAGE (VOLTS)
C, CAPACITANCE (pF)
5.0
6.0
7.0
8.0
9.0
10
20 30 5040
0
TJ = 25
°
C
400
9.0 10
5.0
10
(Capacitive
Load) =20
4Rectifier Device Data
Lead Length, L (IN)
Mounting
Method 1/8 1/4 1/2 Units
1
2
3
50
58
RθJA
51 53
59 61
28
°C/W
°C/W
°C/W
TYPICAL VALUES FOR RθJA IN STILL AIR
Data shown for thermal resistance junction–to–ambient
(RθJA) for the mountings shown is to be used as typical
guideline values for preliminary engineering or in case the tie
point temperature cannot be measured.
NOTE 1 — AMBIENT MOUNTING DATA
MOUNTING METHOD 1
MOUNTING METHOD 2
MOUNTING METHOD 3
3/4
55
63
ÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉ
L L
P.C. Board Where Available Copper
Surface area is small.
ÉÉÉÉÉÉÉÉÉÉÉÉ
L L
Vector Push–In Terminals T–28
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
ÉÉ
L = 1/2
Board Ground Plane
″
P.C. Board with
1–1/2″x 1–1/2″Copper Surface
5
Rectifier Device Data
PACKAGE DIMENSIONS
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
STYLE 1:
PIN 1. CATHODE
2. ANODE
1
2
K
A
K
D
B
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A0.370 0.380 9.40 9.65
B0.190 0.210 4.83 5.33
D0.048 0.052 1.22 1.32
K1.000 ––– 25.40 –––
CASE 267–03
ISSUE C
6Rectifier Device Data
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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
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”
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MUR420/D
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