1
Rectifier Device Data
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
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
R i
S
b l
MUR
U i
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
°
C
4.0 @ 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
R
θ
JA
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)
vF
0.710
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)
iR
150
5.0
250
10
µ
A
Maximum Reverse Recovery Time
(IF = 1.0 Amp, di/dt = 50 Amp/
µ
s)
(IF = 0.5 Amp, iR = 1.0 Amp, IREC = 0.25 Amp)
trr
35
25
75
50
ns
Maximum Forward Recovery Time
(IF = 1.0 A, di/dt = 100 A/
µ
s, Recovery to 1.0 V)
tfr
25
50
ns
(1) Pulse Test: Pulse Width = 300
µ
s, 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
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
MUR420
MUR460
ULTRAFAST
RECTIFIERS
4.0 AMPERES
200–600 VOLTS
CASE 267–03
PLASTIC
MUR420 and MUR460 are
Motorola Preferred Devices
Rev 3
MUR420 MUR460
2
Rectifier Device Data
MUR420
Figure 1. Typical Forward Voltage
vF, INSTANTANEOUS VOLTAGE (VOLTS)
0.3
0.6
0.4
0.8
30
0.1
0.3
0.2
2.0
1.0
100
20
7.0
3.0
0.5
5.0
50
, INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(AMPS)
F
VR, REVERSE VOLTAGE (VOLTS)
0
60
40
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
I R
20
80
200
Figure 2. Typical Reverse Current
TA, AMBIENT TEMPERATURE (
°
C)
0
50
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
0
4.0
6.0
8.0
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
P
F(A
V)
Figure 5. Typical Capacitance
0.7
10
70
1.0
1.1
1.2
100
°
C
TJ = 175
°
C
25
°
C
160
180
140
0.08
0.04
0.02
, REVERSE
CURRENT
(
A)
m
100
°
C
25
°
C
100
150
, A
VERAGE POWER DISSIP
A
TION
(W
A
TTS)
dc
SQUAREWAVE
i
1.0
3.0
5.0
7.0
5.0
6.0
7.0
8.0
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
F(A
V)
SQUARE WAVE
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, CAP
ACIT
ANCE
(pF)
50
60
70
80
90
100
20
30
50
40
0
TJ = 25
°
C
9.0
10
5.0
10
IPK
IAV
(Capacitive
Load)
=20
MUR420 MUR460
3
Rectifier Device Data
MUR460
Figure 6. Typical Forward Voltage
vF, INSTANTANEOUS VOLTAGE (VOLTS)
0.5
1.1
0.7
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
, INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(AMPS)
F
VR, REVERSE VOLTAGE (VOLTS)
0
200
100
400
40
80
0.008
0.004
200
0.8
0.4
0.2
20
4.0
2.0
8.0
TJ = 175
°
C
I R
300
700
Figure 7. Typical Reverse Current
TA, AMBIENT TEMPERATURE (
°
C)
0
50
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
0
4.0
6.0
8.0
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
P
F(A
V)
Figure 10. Typical Capacitance
0.7
10
0.07
1.9
2.1
2.3
100
°
C
TJ = 175
°
C
25
°
C
600
500
0.08
0.04
0.02
, REVERSE
CURRENT
(
A)
m
100
°
C
25
°
C
100
150
, A
VERAGE POWER DISSIP
A
TION
(W
A
TTS)
IPK
IAV
dc
SQUAREWAVE
i
1.0
3.0
5.0
7.0
10
12
14
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
F(A
V)
SQUARE WAVE
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, CAP
ACIT
ANCE
(pF)
5.0
6.0
7.0
8.0
9.0
10
20
30
50
40
0
TJ = 25
°
C
400
9.0
10
5.0
10
(Capacitive
Load)
=20
MUR420 MUR460
4
Rectifier Device Data
Lead Length, L (IN)
Mounting
Method
1/8
1/4
1/2
Units
1
2
3
50
58
R
θ
JA
51
53
59
61
28
°
C/W
°
C/W
°
C/W
TYPICAL VALUES FOR R
θ
JA IN STILL AIR
Data shown for thermal resistance junction–to–ambient
(R
θ
JA) 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
MUR420 MUR460
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
MILLIMETERS
INCHES
A
0.370
0.380
9.40
9.65
B
0.190
0.210
4.83
5.33
D
0.048
0.052
1.22
1.32
K
1.000
–––
25.40
–––
CASE 267–03
ISSUE C
MUR420 MUR460
6
Rectifier 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
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