
1
Rectifier Device Data
Designer's Data Sheet
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 35 Nanosecond Recovery Times
175°C Operating Junction Temperature
Popular TO-220 Package
Epoxy Meets UL94, VO @ 1/8″
High Temperature Glass Passivated Junction
High Voltage Capability to 600 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
Leads are Readily Solderable
Lead Temperature for Soldering Purposes: 260°C Max. for 10
Seconds
Shipped 50 units per plastic tube
Marking: UH860
MAXIMUM RATINGS, PER LEG
Rating
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
600
Volts
Average Rectified Forward Current
Total Device, (Rated VR), TC = 120°C
Total Device
IF(AV)
4.0
8.0
Amps
Peak Repetitive Forward Current
(Rated VR, Square Wave, 20 kHz), TC = 120°C
IFM
16
Amps
Nonrepetitive Peak Surge Current
(Surge applied at rated load conditions halfwave, single phase, 60 Hz)
IFSM
100
Amps
Operating Junction Temperature and Storage Temperature
TJ, Tstg
– 65 to +175
°C
THERMAL CHARACTERISTICS, PER LEG
Maximum Thermal Resistance, Junction to Case
R
θJC
3.0
°C/W
ELECTRICAL CHARACTERISTICS, PER LEG
Maximum Instantaneous Forward Voltage (1)
(iF = 4.0 Amps, TC = 150°C)
(iF = 4.0 Amps, TC = 25°C)
vF
2.5
2.8
Volts
Maximum Instantaneous Reverse Current (1)
(Rated dc Voltage, TC = 150°C)
(Rated dc Voltage, TC = 25°C)
iR
500
10
A
Maximum Reverse Recovery Time
(IF = 1.0 Amp, di/dt = 50 Amps/s)
trr
35
ns
(1) Pulse Test: Pulse Width = 300
s, Duty Cycle ≤ 2.0%
Designer’s Data for “Worst Case” Conditions — The Designer’s Data Sheet permits the design of most circuits entirely from the information presented. SOA Limit
curves — representing boundaries on device characteristics — are given to facilitate “worst case” design.
Designer’s and SWITCHMODE are trademarks of Motorola, Inc.
Preferred devices are Motorola recommended choices for future use and best overall value.
Motorola, Inc. 1996
Order this document
by MURH860CT/D
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
MURH860CT
ULTRAFAST RECTIFIER
8.0 AMPERES
600 VOLTS
Motorola Preferred Device
CASE 221A–06
TO–220AB
1
3
4
2
1
3
2, 4
Rev 1