FEATURES MECHANICAL SPECIFICATION
Case: M
Finish: All external surfaces are corrosion resistant
and the contact areas are readily solderable
Maximum Lead Soldering Temperature: 210 C, 3/8"
case for 10 seconds at 5 lbs tension
Mounting Position: Any
Polarity: Color band or diode symbol on case
Weight: 0.09 Ounces (2.5 Grams)
o
olded Epoxy (UL Flammability Rating 94V-O)
MECHANICAL DATA
MAXIMUMRATINGS&ELECTRICAL CHARACTERISTICS
Ratings at 25 °C ambient temperature unless otherwise specified.
DataSheetNo.DR820-1A
35 AMP LEADMOUNTFASTRECOVERY BUTTONDIODES
Tel.: (310) 767-1052 Fax: (310) 767-7958
DIOTECELECTRONICSCORP
Gardena, CA 90248 U.S.A
18020 Hobart Blvd., Unit B
DieSize:
0.180"x0.180"
Square
PROPRIETARY JUNCTIONPASSIVATIONFOR
SUPERIORRELIABILITY ANDPERFORMANCE
SUGGESTEDREPLACEMENTFORMR820,MR821
MR822,MR824,MR826DIODES
Compact molded design
High surge current, 600 A @ T = 175 C
Low cost
Peak performance at elevated temperatures: 35 A
J
o
@ T = 175 C
J
o
VOIDFREEVACUUMDIESOLDERINGFORMAXIMUM
MECHANICAL STRENGTH ANDHEATDISSIPATION
(SolderVoids:Typical<2%,Max.<10%ofDie Area)
M
F
A
B
L
L
D
E
INCHESMILLIMETERS
MIN
DIM
A
B
D
MAX MAX
MIN
0.332
0.234
0.050
0.342
0.246
0.053
E0.215 0.225
F 0.165 0.175
L 0.990 1.010
M5°NOM 5°NOM
RoHSCOMPLIANT
Non-repetitive Peak Reverse Voltage (Half wave, single phase,
60 Hz peak)
Average Forward Rectified Current @ T =150 C
C
o
I
O
35
Peak Forward Surge Current (8.3mS single half sine wave
superimposed on rated load) I
FSM
500
V
RSM
60 120 240 480 720
PARAMETER (TEST CONDITIONS)
Maximum DC Blocking Voltage
Maximum Peak Recurrent Reverse Voltage
Maximum RMS Voltage
Series Number
V
RWM
V
DC
V
RRM
SYMBOL RATINGS
DR820 DR821 DR822 DR824 DR826
50 100 200 400 600
Maximum Forward Voltage Drop at 35 Amp DC, 3/8" Leads V
FM
1.1 (Typical 1.05)
Maximum Thermal Resistance, Junction to Case (Note 1)
Maximum Average DC Reverse Current
At Rated DC Blocking Voltage I
RM
R
q
JC
@ T = 25 C
A
o
@ T = 100 C
A
o
1
50
0.9
Junction Operating and Storage Temperature Range T
J
,T
STG
AMPS
UNITS
VOLTS
VOLTS
°C/W
m
A
°C
-65 to +175
Notes: 1) Both Leads to Heatsink, Equal Length
Average Forward Rectified Current
PARAMETER (TEST CONDITIONS)
Maximum DC Blocking Voltage
Maximum Peak Recurrent Reverse Voltage
Maximum RMS Voltage
Series Number
I
O
V
RMS
V
RRM
V
RM
SYMBOL
Peak Forward Surge Current (8.3mS single half sine wave
superimposed on rated load)
Maximum Forward Voltage at 35 Amps DC V
FM
I
FSM
600
1.2 (Typical 1.1)
Typical Thermal Resistance, Junction to Case (Note 1)
Maximum Average DC Reverse Current
At Rated DC Blocking Voltage I
RM
R
q
JC
@ T = 25 C
C
o
@ T = 100 C
C
o
2.0
100
0.8
Maximum Reverse Recovery Time
(I = 1.0 Amp to V = 30 Vdc)
F R
(I = 15 Amp, di/dt = 25 A/ s)
FM
m
T
RR
200 (Typ. 150)
300 (Typ. 150)
UNITS
VOLTS
VOLTS
AMPS
°C/W
m
A
nSec
RATINGS
3501S
SRP
50 100 200 400 600
50 100 200 400 600
35 70 140 280 420
DRDR DR DR DR
820 821 822 824 826
35
WideRangeof Applications-Inverters,Converters
Choppers,PowerSupplies,etc.
VOIDFREEVacuumDieSolderingForMaximum
MechanicalStrength AndHeatDissipation
(SolderVoids:Typical<2%,Max.<10%ofDie Area)
TRUESOFTRECOVERY CHARACTERISTICWITH
NORINGING,SPIKES,orOVERSHOOT
HIGHFREQUENCY:250kHz
FASTRECOVERY:Typical100nS-150nS
UNMATCHEDPERFORMANCE-MinimalRFI/EMI,
ReducedPowerLosses,ExtremelyCoolOperation
IncreasedPowerSupplyEfficiency
ProprietaryJunctionPassivationForSuperior
ReliabilityandPerformance
Junction Operating and Storage Temperature Range T
J,
T
STG
-65 to +175 °C
Notes: 1) Both Leads to Heatsink, Equal Length
LookingFor:MR820,MR821,MR822,
MR824,MR826Replacements?