MURS320
Document number: DS30197 Rev. 6 - 2 1 of 5
www.diodes.com September 2010
© Diodes Incorporated
MURS320
3.0A SURFACE MOUNT SUPER-FAST RECTIFIER
Features
• Glass Passivated Die Construction
• Super-Fast Recovery Time For High Efficiency
• Surge Overload Rating to 75A Peak
• Ideally Suited for Automated Assembly
• Lead Free Finish/RoHS Compliant (Note 1)
• Green Molding Compound (No Halogen and Antimony)
(Note 2)
Mechanical Data
• Case: SMC
• Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020
• Terminals: Lead Free Plating (Matte Tin Finish). Solderable per
MIL-STD-202, Method 208
• Polarity: Cathode Band or Cathode Notch
• Weight: 0.21 grams (approximate)
Ordering Information (Note 3)
Part Number Case Packaging
MURS320-13-F SMC 3000/Tape & Reel, 13-inch
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes.
2. Product manufactured with Data Code 0924 (week 24, 2009) and newer are built with Green Molding Compound.
3. For packaging details, go to our website at http://www.diodes.com.
Marking Information
Top View Bottom View
Green
U3D = Product type marking code
= Manufacturers’ code marking
YWW = Date code marking
Y = Last digit of year (ex: 6 for 2006)
WW = Week code (01 to 53)
YWW
U3D
MURS320
Document number: DS30197 Rev. 6 - 2 2 of 5
www.diodes.com September 2010
© Diodes Incorporated
MURS320
Maximum Ratings @TA = 25°C unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitance load, derate current by 20%.
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage (Note 4)
VRRM
VRWM
VR 200 V
RMS Reverse Voltage VR
(
RMS
)
140 V
Average Rectified Output Current @ TL = 140°CI
O 3.0 A
Non-Repetitive Peak Forward Surge Current 8.3ms
Single Half Sine-Wave Superimposed on Rated Load IFSM 75 A
Thermal Characteristics
Characteristic Symbol Value Unit
Typical Total Capacitance (Note 5) CT 45 pF
Typical Thermal Resistance, Junction to Lead (Note 6) R
θ
JL 11 °C/W
Operating and Storage Temperature Range TJ, TSTG -65 to +175 °C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Forward Voltage @ IF = 3.0A, TJ = 25°C
@ IF = 3.0A, TJ
=150°C VFM 0.875
0.71 V
Peak Reverse Current @ TJ = 25°C
at Rated DC Blocking Voltage (Note 4) @ TJ = 150°CIRM 5.0
100 μA
Reverse Recovery Time (Note 7) tr
r
25 ns
Maximum Forward Recovery Time (Note 8) tf
r
25 ns
Notes: 4. Short duration pulse test used to minimize self-heating effect.
5. Measured at 1.0MHz and applied reverse voltage of 0V DC.
6. Unit mounted on PC board with 5.0 mm2 (0.013 mm thick) copper pads as heat sink.
7. Measured with IF = 0.5A, IR = 1.0A, Irr = 0.25A. See Figure 5.
8. Measured with IF = 1.0A, di/dt = 100A/μS, Recovery to 1.0V.
25 50 75 100 125 150 175
I, AVE
R
A
G
E
F
O
R
WA
R
D
C
U
R
R
EN
T
(A)
O
T , TERMINAL TE MPERATURE ( C)
Fig. 1 Forward Current Derating Curve
T
°
0
Fig. 2 T ypical Forward Characteristics
T = 100ºC
j
T = 125ºC
j
T = 25ºC
j
Pulse Width: 300us
MURS320
Document number: DS30197 Rev. 6 - 2 3 of 5
www.diodes.com September 2010
© Diodes Incorporated
MURS320
110100
I,
P
EAK
F
O
R
WA
R
D S
U
R
G
E
C
U
R
R
EN
T
(A )
FSM
NUMBER OF CYCLES AT 60Hz
Fig. 3 Surge Current Derating Curve
Pulse width 8.3ms
Single Half-Sine-Wave
0
25
10
050 150 200
Fig. 4 Typical Reverse Characteristics
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
T = 25ºC
j
T = 150ºC
j
T = 100ºC
j
C
T
O
T
AL
C
A
P
A
C
I
T
A
N
C
E (p
F
)
T,
V , DC REVERSE VOL TAGE (V)
Fig. 6 Typical Total Capacitance
R
0.1 1 10
10
100
1,000
100
MURS320
Document number: DS30197 Rev. 6 - 2 4 of 5
www.diodes.com September 2010
© Diodes Incorporated
MURS320
Package Outline Dimensions
Suggested Pad Layout
SMC
Dim Min Max
A 5.59 6.22
B 6.60 7.11
C 2.75 3.18
D 0.15 0.31
E 7.75 8.13
G 0.10 0.20
H 0.76 1.52
J 2.00 2.50
All Dimensions in mm
Dimensions Value (in mm)
Z 9.3
G 4.4
X 3.3
Y 2.5
C 6.8
A
B
C
D
G
HE
J
Z
X
C
GY
MURS320
Document number: DS30197 Rev. 6 - 2 5 of 5
www.diodes.com September 2010
© Diodes Incorporated
MURS320
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