1
Rectifier Device Data
SWITCHMODE
TM
Power Rectifiers
DPAK Surface Mount Package
. . . designed for use in switching power supplies, inverters and as
free wheeling diodes, these stateoftheart devices have the
following features:
Ultrafast 35 Nanosecond Recovery Time
Low Forward Voltage Drop
Low Leakage
Mechanical Characteristics:
Case: Epoxy, Molded
Weight: 0.4 gram (approximately)
Finish: All External Surfaces Corrosion Resistant and Terminal
Leads are Readily Solderable
Lead and Mounting Surface Temperature for Soldering
Purposes: 260
C Max. for 10 Seconds
Shipped 75 units per plastic tube
Available in 16 mm Tape and Reel, 2500 units per reel, by
adding a "T4'' suffix to the part number
Marking: U620T
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
200
Volts
Average Rectified Forward Voltage
Per Diode
(TC = 140
C, Rated VR)
Per Device
IF(AV)
3
6
Amps
Peak Repetitive Forward Current
(Rated VR, Square Wave, 20 kHz, TC = 145
C)
Per Diode
IF
6
Amps
Nonrepetitive Peak Surge Current
(Surge applied at rated load conditions, halfwave, 60 Hz)
IFSM
50
Amps
Operating Junction and Storage Temperature
TJ, Tstg
65 to +175
C
THERMAL CHARACTERISTICS PER DIODE
Thermal Resistance, Junction to Case
Junction to Ambient (1)
R
JC
R
JA
9
80
C/W
ELECTRICAL CHARACTERISTICS PER DIODE
Maximum Instantaneous Forward Voltage Drop (2)
(iF = 3 Amps, TC = 25
C)
(iF = 3 Amps, TC = 125
C)
(iF = 6 Amps, TC = 25
C)
(iF = 6 Amps, TC = 125
C)
vF
1
0.96
1.2
1.13
Volts
Maximum Instantaneous Reverse Current (2)
(TJ = 25
C, Rated dc Voltage)
(TJ = 125
C, Rated dc Voltage)
iR
5
250
A
Maximum Reverse Recovery Time
(IF = 1 Amp, di/dt = 50 Amps/
s, VR = 30 V, TJ = 25
C)
(IF = 0.5 Amp, iR = 1 Amp, IREC = 0.25 A, VR = 30 V, TJ = 25
C)
trr
35
25
ns
(1) Rating applies when surface mounted on the minimum pad sizes recommended.
(2) 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 MURD620CT/D
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
1
3
4
MURD620CT
ULTRAFAST RECTIFIERS
6 AMPERES
200 VOLTS
CASE 369A13
PLASTIC
MURD620CT is a
Motorola Preferred Device
1
3
4
Rev 1
MURD620CT
2
Rectifier Device Data
Figure 1. Typical Forward Voltage (Per Leg)
vF, INSTANTANEOUS VOLTAGE (VOLTS)
0
0.6
0.2
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
1.4
VR, REVERSE VOLTAGE (VOLTS)
0
60
40
100
120
100
0.01
0.001
1.0
10
TJ = 175
C
I R
20
80
200
Figure 2. Typical Leakage Current* (Per Leg)
TC, CASE TEMPERATURE (
C)
100
1.0
2.0
3.0
4.0
5.0
I F(A
V)
0
6.0
7.0
8.0
110
120
130
140
150
160
170
180
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
0
3.0
2.0
0
2.0
1.0
3.0
5.0
4.0
14
7.0
6.0
P
1.0
10
Figure 3. Average Power Dissipation (Per Leg)
Figure 4. Current Derating, Case (Per Leg)
0
20
1.0
1.5
2.5
3.5
4.0
0
40
60
80
100
TA, AMBIENT TEMPERATURE (
C)
I F(A
V)
Figure 5. Current Derating, Ambient (Per Leg)
0.4
0.7
10
70
1.0
1.2
100
C
TJ = 25
C
175
C
160
180
140
0.1
, REVERSE CURRENT
(mA)
100
C
25
C
6.0
5.0
4.0
9.0
8.0
7.0
9.0
8.0
* 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 curves if VR is sufficiently below rated
VR.
RATED VOLTAGE APPLIED
R
q
JC = 9
C/W
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
SINE WAVE
OR
SQUARE WAVE
dc
, A
VERAGE
FOR
W
ARD
CURRENT
(AMPS)
TJ = 175
C
i
150
C
11
10
13
12
,
A
VERAGE POWER DISSIP
A
TION
(W
A
TTS)
F(A
V)
TJ = 175
C
IPK/IAV = 20
SINE
WAVE
SQUARE
WAVE
dc
10
5.0
120
140
160
180 200
0.5
2.0
3.0
SINE WAVE
OR
SQUARE WAVE
SURFACE MOUNTED ON
MIN. PAD SIZE RECOMMENDED
RATED VOLTAGE APPLIED
R
q
JA = 80
C/W
dc
TJ = 175
C
150
C
MURD620CT
3
Rectifier Device Data
VR, REVERSE VOLTAGE (VOLTS)
0
10
30
40
30
50
1.0
10
5.0
20
20
100
Figure 6. Typical Capacitance (Per Leg)
60
50
3.0
2.0
C, CAP
ACIT
ANCE
(pF)
TJ = 25
C
100
70
80
90
70
7.0
MURD620CT
4
Rectifier Device Data
PACKAGE DIMENSIONS
CASE 369A13
ISSUE Y
D
A
K
B
R
V
S
F
L
G
2 PL
M
0.13 (0.005)
T
E
C
U
J
H
T
SEATING
PLANE
Z
DIM
MIN
MAX
MIN
MAX
MILLIMETERS
INCHES
A
0.235
0.250
5.97
6.35
B
0.250
0.265
6.35
6.73
C
0.086
0.094
2.19
2.38
D
0.027
0.035
0.69
0.88
E
0.033
0.040
0.84
1.01
F
0.037
0.047
0.94
1.19
G
0.180 BSC
4.58 BSC
H
0.034
0.040
0.87
1.01
J
0.018
0.023
0.46
0.58
K
0.102
0.114
2.60
2.89
L
0.090 BSC
2.29 BSC
R
0.175
0.215
4.45
5.46
S
0.020
0.050
0.51
1.27
U
0.020
0.51
V
0.030
0.050
0.77
1.27
Z
0.138
3.51
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
1
2
3
4
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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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