Semiconductor Components Industries, LLC, 2003
February, 2003 - Rev. 3
1
Publication Order Number:
MURD320/D
MURD320
Preferred Device
SWITCHMODE
TM
Power Rectifier
DPAK Surface Mount Package
. . . 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 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: U320
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
200
V
Average Rectified Forward Current
(Rated V
R
, T
C
= 158
C)
I
F(AV)
3.0
A
Peak Repetitive Forward Current
(Rated V
R
, Square Wave,
20 kHz, T
C
= 158
C)
I
FRM
6.0
A
Non-Repetitive Peak Surge Current
(Surge Applied at Rated Load
Conditions Halfwave, 60 Hz)
I
FSM
75
A
Operating Junction and Storage
Temperature Range
T
J
, T
stg
-65 to +175
C
Device
Package
Shipping
ORDERING INFORMATION
DPAK
CASE 369C
PLASTIC
ULTRAFAST
RECTIFIER
3.0 AMPERES
200 VOLTS
Preferred devices are recommended choices for future use
and best overall value.
MURD320T4
DPAK
2500/Tape & Reel
4
1
3
MARKING DIAGRAM
http://onsemi.com
1 2
3
4
U320
= Device Code
Y
= Year
WW
= Work Week
YWW
U320
MURD320
http://onsemi.com
2
THERMAL CHARACTERISTICS
Rating
Symbol
Value
Unit
Thermal Resistance, Junction to Case
Junction to Ambient (Note 1)
R
JC
R
JA
6
80
C/W
ELECTRICAL CHARACTERISTICS
Maximum Instantaneous Forward Voltage Drop (Note 2)
(i
F
= 3 Amps, T
J
= 25
C)
(i
F
= 3 Amps, T
J
= 125
C)
v
F
0.95
0.75
Volts
Maximum Instantaneous Reverse Current (Note 2)
(T
J
= 25
C, Rated dc Voltage)
(T
J
= 125
C, Rated dc Voltage)
i
R
5
500
A
Maximum Reverse Recovery Time
(I
F
= 1 Amp, di/dt = 50 Amps/
s, V
R
= 30 V, T
J
= 25
C)
(I
F
= 0.5 Amp, i
R
= 1 Amp, I
REC
= 0.25 A, V
R
= 30 V, T
J
= 25
C)
t
rr
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%.
Figure 1. Typical Forward Voltage
v
F,
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
V
R
, 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
T
J
= 175
C
I R
20
80
200
Figure 2. Typical Reverse Current*
I
F(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
0.4
0.7
10
70
1.0
1.2
100
C
T
J
= 25
C
175
C
160
180
140
0.08
0.04
0.02
, REVERSE CURRENT
(
A)
m
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 V
R
is sufficiently below rated
V
R
.
i
150
C
11
10
13
12
,
A
VERAGE POWER DISSIP
A
TION (W
A
TTS)
F(A
V)
T
J
= 175
C
I
PK
/I
AV
= 20
SINE WAVE
SQUARE WAVE
dc
10
5.0
150
C
MURD320
http://onsemi.com
3
T
C
, 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
Figure 4. Current Derating, Case
0
20
1.0
1.5
2.5
3.5
4.0
0
40
60
80
100
T
A
, AMBIENT TEMPERATURE (
C)
I F(A
V)
Figure 5. Current Derating, Ambient
RATED VOLTAGE APPLIED
R
qJC
= 6
C/W
,
A
VERAGE FOR
W
ARD CURRENT
(AMPS)
SINE WAVE
OR
SQUARE WAVE
dc
,
A
VERAGE FOR
W
ARD CURRENT
(AMPS)
T
J
= 175
C
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
qJA
= 80
C/W
dc
T
J
= 175
C
V
R
, REVERSE VOLTAGE (VOLTS)
0
10
30
40
300
500
10
100
50
200
20
100
Figure 6. Typical Capacitance
60
50
30
20
C, CAP
ACIT
ANCE (pF)
T
J
= 25
C
1000
70
80
90
MURD320
http://onsemi.com
4
PACKAGE DIMENSIONS
DPAK (Single Gauge)
CASE 369C
ISSUE O
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
0.245
5.97
6.22
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
0.018
0.023
0.46
0.58
F
0.037
0.045
0.94
1.14
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
0.180
0.215
4.57
5.45
S
0.025
0.040
0.63
1.01
U
0.020
---
0.51
---
V
0.035
0.050
0.89
1.27
Z
0.155
---
3.93
---
NOTES:
1. DIMENSIONING AND TOLERANCING
PER ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
1
2
3
4
5.80
0.228
2.58
0.101
1.6
0.063
6.20
0.244
3.0
0.118
6.172
0.243
mm
inches
SCALE 3:1
RECOMMENDED FOOTPRINT
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JAPAN: ON Semiconductor, Japan Customer Focus Center
2-9-1 Kamimeguro, Meguro-ku, Tokyo, Japan 153-0051
Phone: 81-3-5773-3850
Email: r14525@onsemi.com
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For additional information, please contact your local
Sales Representative.
MURD320/D
SWITCHMODE is a trademark of Semiconductor Components Industries, LLC.
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