MURH840CT Datasheet, PDF (1/4 Pages) Motorola, Inc – ULTRAFAST RECTIFIER 8.0 AMPERES 400 VOLTS

MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
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by MURH840CT/D
SWITCHMODE™ Power Rectifier
. . . designed for use in switching power supplies, inverters and as
free wheeling diodes, these state–of–the–art devices have the
following features:
• Ultrafast 28 Nanosecond Recovery Time
• 175°C Operating Junction Temperature
• Popular TO–220 Package
• Epoxy Meets UL94, VO @ 1/8″
• High Temperature Glass Passivated Junction
• High Voltage Capability to 400 Volts
• Low Leakage Specified @ 150°C Case Temperature
• Current Derating @ Both Case and Ambient Temperatures
Mechanical Characteristics:
• Case: Epoxy, Molded
• Weight: 1.9 grams (approximately)
• Finish: All External Surfaces Corrosion Resistant and Terminal
1
Leads are Readily Solderable
• Lead Temperature for Soldering Purposes: 260°C Max. for
3
10 Seconds
• Shipped 50 units per plastic tube
• Marking: UH840
MURH840CT
Motorola Preferred Device
ULTRAFAST
RECTIFIER
8.0 AMPERES
400 VOLTS
4
2, 4
1
2
3
CASE 221A–06
TO–220AB
MAXIMUM RATINGS
Rating
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Forward Current
Total Device, (Rated VR), TC = 120°C
Per Leg
Total Device
Peak Repetitive Forward Current
(Rated VR, Square Wave, 20 kHz), TC = 120°C
Per Diode Leg
Nonrepetitive Peak Surge Current
(Surge applied at rated load conditions halfwave, single phase, 60 Hz)
Controlled Avalanche Energy
Operating Junction Temperature and Storage Temperature
THERMAL CHARACTERISTICS, PER DIODE LEG
Maximum Thermal Resistance, Junction to Case
ELECTRICAL CHARACTERISTICS, PER DIODE LEG
Maximum Instantaneous Forward Voltage (1)
(iF = 4.0 Amps, TC = 150°C)
(iF = 4.0 Amps, TC = 25°C)
Maximum Instantaneous Reverse Current (1)
(Rated dc Voltage, TC = 150°C)
(Rated dc Voltage, TC = 25°C)
Maximum Reverse Recovery Time
(IF = 1.0 Amp, di/dt = 50 Amps/µs)
(1) Pulse Test: Pulse Width = 300 µs, Duty Cycle ≤ 2.0%.
Symbol
VRRM
VRWM
VR
IF(AV)
IFM
IFSM
WAVAL
TJ, Tstg
R_θJC
vF
iR
trr
Value
400
4.0
8.0
16
100
20
*65 to +175
3.0
1.9
2.2
500
10
28
Unit
Volts
Amps
Amps
Amps
mJ
°C
°C/W
Volts
µA
ns
SWITCHMODE is a trademark of Motorola, Inc.
Preferred devices are Motorola recommended choices for future use and best overall value.
Rev 1
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