DS30197 Rev. 3 - 2 1 of 3 MURS320
www.diodes.com ãDiodes Incorporated
MURS320
3.0A SURFACE MOUNT SUPER-FAST RECTIFIER
Features
Maximum Ratings and Electrical Characteristics @ TA= 25°C unless otherwise specified
Mechanical Data
Notes: 1. Unit mounted on PC board with 5.0 mm2(0.013 mm thick) copper pads as heat sink.
2. Measured at 1.0MHz and applied reverse voltage of 0V DC.
3. Measured with IF= 0.5A, IR= 1.0A, Irr = 0.25A. See Figure 5.
4. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see
EU Directive Annex Notes 5 and 7.
·Glass Passivated Die Construction
·Super-Fast Recovery Time For High Efficiency
·Low Forward Voltage Drop and High Current Capability
·Surge Overload Rating to 75A Peak
·Ideally Suited for Automated Assembly
·Available in Lead Free Finish/RoHS Compliant Version
(Note 4)
·Case: SMC
·Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
·Moisture Sensitivity: Level 1 per J-STD-020C
·Terminals: Solder Plated Terminal - Solderable per
MIL-STD-202, Method 208
·Also Available in Lead Free Plating (Matte Tin
Finish). Please see Ordering Information, Note 6,
on Page 3
·Marking: U3D
·Polarity: Cathode Band or Cathode Notch
·Weight: 0.21 grams (approximate)
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
200 V
RMS Reverse Voltage VR(RMS) 140 V
Average Rectified Output Current @ TL= 140°CIO3.0 A
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave Superimposed on Rated Load
(JEDEC Method)
IFSM 75 A
Forward Voltage @ IF= 3.0A, TJ= 25°C VFM 0.9 V
Peak Reverse Current @ TJ= 25°C
at Rated DC Blocking Voltage @ TJ= 150°CIRM 5.0
100 mA
Reverse Recovery Time (Note 3) trr 25 ns
Typical Total Capacitance (Note 2) CT45 pF
Typical Thermal Resistance, Junction to Terminal (Note 1) RqJT 11 °C/W
Operating and Storage Temperature Range Tj, TSTG -55 to +150 °C
A
B
C
D
G
H
E
J
SMC
Dim Min Max
A5.59 6.22
B6.60 7.11
C2.75 3.18
D0.15 0.31
E7.75 8.13
G0.10 0.20
H0.76 1.52
J2.00 2.62
All Dimensions in mm
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