Features
● FRED (Planar) wafer construction
● Low forward voltage drop, low power losses
● High efficiency operation
● Plastic package has underwriters Laboratory
Flammability Classification 94V-0
Mechanical Data
● Case: Epoxy, Molded
● Weight: 1.9grams(approximately)
● Lead Temperature for Soldering Purposes: 260°C Max. for 10 sec
● Shipped 50 units per plastic tube
PARAMETER TEST
CONDITIONS
SYMBOL VALUE UNIT
Maximum Repetitive Peak Reverse Voltage VRRM 400 V
Working Peak Reverse Voltage VRWM 400 V
Maximum DC Blocking Voltage VDC 400 V
Maximum Average Forward Rectified Current
at Tc=105°C total device per diode
IF(AV) 8 A
Peak Forward Surge Current (8.3ms single half sine-wave
superimposed on rated load per diode)
IFSM 125 A
Voltage Rate of Change(rated VR) DV/dt 10000 V/us
Operating Junction Temperature Range TJ - 55 to+150 °C
Storage Temperature Range TSTG - 55 to+150 °C
Maximum Reverse Recover Time
(IF=0.5Amp, IR=1.0Amp,Irec=0.25Amp)
Trr 35 ns
Maximum Instantaneous Forward Voltage per Leg IF=8A
IF=8A
TC=25°C
TC=125°C
VF
1.30
1.20
V
Maximum Reverse Current per Leg
at working peak reverse voltage
TJ=25°C
TJ=100°C IR
10
500
uA
uA
Thermal Characteristics TA=25°C unless otherwise noted
Symbol Parameter TYP.(TO-220-AC) TYP.(ITO-220-AC) Unit
RθJC Thermal Resistance, Junction to Case per Leg 2.0 4.0 °C /W
RθJA Thermal Resistance, Junction to Ambient per Leg 62.5 62.5 °C /W
Note: Pulse test:300us pulse width, duty cycle=2%
MUR840 MUR840F
Package: TO-220-AC Package: ITO-220-AC
MUR840/MUR840F
Super Fast Recovery Planar Rectifier
Reverse Voltage 400V Forward Current 8A
1/3
Maximum Ratings (TA = 25°C unless otherwise noted)
2/3
Ratings and Characteristics Curves (TA = 25°C unless otherwise noted)
MUR840/MUR840F
Super Fast Recovery Planar Rectifier
Reverse Voltage 400V Forward Current 8A
Package Outline Dimensions
Unit: millimeters TO-220-AC ITO-220-AC
3/3
Doc.USMUR840,MUR840Fx1.0www.goodarksemi.com
MUR840/MUR840F
Super Fast Recovery Planar Rectifier
Reverse Voltage 400V Forward Current 8A
