鈥?/div>
Marking: UH840
MAXIMUM RATINGS
Rating
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Forward Current
Total Device, (Rated VR), TC = 120擄C
Peak Repetitive Forward Current
(Rated VR, Square Wave, 20 kHz), TC = 120擄C
Per Leg
Total Device
Per Diode Leg
4
1
2, 4
3
1
2
3
CASE 221A鈥?6
TO鈥?20AB
Symbol
VRRM
VRWM
VR
IF(AV)
IFM
IFSM
WAVAL
TJ, Tstg
Value
400
Unit
Volts
4.0
8.0
16
100
20
Amps
Amps
Amps
mJ
擄C
Nonrepetitive Peak Surge Current
(Surge applied at rated load conditions halfwave, single phase, 60 Hz)
Controlled Avalanche Energy
Operating Junction Temperature and Storage Temperature
*
65 to +175
3.0
THERMAL CHARACTERISTICS, PER DIODE LEG
Maximum Thermal Resistance, Junction to Case
R
胃JC
擄C/W
ELECTRICAL CHARACTERISTICS, PER DIODE LEG
Maximum Instantaneous Forward Voltage (1)
(iF = 4.0 Amps, TC = 150擄C)
(iF = 4.0 Amps, TC = 25擄C)
Maximum Instantaneous Reverse Current (1)
(Rated dc Voltage, TC = 150擄C)
(Rated dc Voltage, TC = 25擄C)
Maximum Reverse Recovery Time
(IF = 1.0 Amp, di/dt = 50 Amps/碌s)
(1) Pulse Test: Pulse Width = 300
碌s,
Duty Cycle
鈮?/div>
2.0%.
vF
1.9
2.2
iR
500
10
trr
28
ns
碌A(chǔ)
Volts
SWITCHMODE is a trademark of Motorola, Inc.
Preferred
devices are Motorola recommended choices for future use and best overall value.
Rev 1
漏
Rectifier
Inc. 1996
Data
Motorola,
Device
1
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