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

MAXIMUMRATINGS&ELECTRICAL CHARACTERISTICS

Ratings at 25 °C ambient temperature unless otherwise specified.

DataSheetNo.DR820-1A

35 AMP LEADMOUNTFASTRECOVERY BUTTONDIODES

Tel.: (310) 767-1052 Fax: (310) 767-7958

DIOTECELECTRONICSCORP

Gardena, CA 90248 U.S.A

18020 Hobart Blvd., Unit B

DieSize:

0.180"x0.180"

Square

PROPRIETARY JUNCTIONPASSIVATIONFOR

SUPERIORRELIABILITY ANDPERFORMANCE

SUGGESTEDREPLACEMENTFORMR820,MR821

MR822,MR824,MR826DIODES

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

VOIDFREEVACUUMDIESOLDERINGFORMAXIMUM

MECHANICAL STRENGTH ANDHEATDISSIPATION

(SolderVoids:Typical<2%,Max.<10%ofDie Area)

M

F

A

B

L

L

D

E

INCHES

MILLIMETERS

MIN

DIM

A

B

D

MAX

MAX

MIN

0.332

0.234

0.050

0.342

0.246

0.053

E

0.215

0.225

F

0.165

0.175

L

0.990

1.010

M

5°NOM

5°NOM

RoHSCO

MPLIANT

Non-repetitive Peak Reverse Voltage (Half wave, single phase,

60 Hz peak)

Average Forward Rectified Current @ T =150 C

C

o

35

Peak Forward Surge Current (8.3mS single half sine wave

superimposed on rated load)

500

60

120

240

480

720

PARAMETER (TEST CONDITIONS)

Maximum DC Blocking Voltage

Maximum Peak Recurrent Reverse Voltage

Maximum RMS Voltage

Series Number

SYMBOL

RATINGS

,4&  ,4&  ,4&

,4& " ,4& $

50

100

200

400

600

Maximum Forward Voltage Drop at 35 Amp DC, 3/8" Leads

1.1 (Typical 1.05)

Maximum Thermal Resistance, Junction to Case (Note 1)

Maximum Average DC Reverse Current

At Rated DC Blocking Voltage

@ T = 25 C

A

o

@ T = 100 C

A

o

1

50

0.9

Junction Operating and Storage Temperature Range

AMPS

UNITS

VOLTS

VOLTS

°C/W

mA

°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

SYMBOL

Peak Forward Surge Current (8.3mS single half sine wave

superimposed on rated load)

Maximum Forward Voltage at 35 Amps DC

600

1.2 (Typical 1.1)

Typical Thermal Resistance, Junction to Case (Note 1)

Maximum Average DC Reverse Current

At Rated DC Blocking Voltage

@ 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

200 (Typ. 150)

300 (Typ. 150)

UNITS

VOLTS

VOLTS

AMPS

°C/W

mA

nSec

RATINGS

3501S

SRP

50

100

200

400

600

50

100

200

400

600

35

70

140

280

420

DR

DR

DR

DR

DR

820

821

822

824

826

35

WideRangeof Applications-Inverters,Converters

Choppers,PowerSupplies,etc.

VOIDFREEVacuumDieSolderingForMaximum

MechanicalStrength AndHeatDissipation

(SolderVoids:Typical<2%,Max.<10%ofDie Area)

TRUESOFTRECOVERY CHARACTERISTICWITH

NORINGING,SPIKES,orOVERSHOOT

HIGHFREQUENCY:250kHz

FASTRECOVERY:Typical100nS-150nS

UNMATCHEDPERFORMANCE-MinimalRFI/EMI,

ReducedPowerLosses,ExtremelyCoolOperation

IncreasedPowerSupplyEfficiency

ProprietaryJunctionPassivationForSuperior

ReliabilityandPerformance

Junction Operating and Storage Temperature Range

-65 to +175

°C

Notes: 1) Both Leads to Heatsink, Equal Length

LookingFor:MR820,MR821,MR822,

MR824,MR826Replacements?