Document
DIOTEC ELECTRONICS CORP
18020 Hobart Blvd., Unit B Gardena, CA 90248 U.S.A Tel.: (310) 767-1052 Fax: (310) 767-7958
Looking For: MR820, MR821, MR822, MR824, MR826 Replacements?
35 AMP LEAD MOUNT FAST RECOVERY BUTTON DIODES
FEATURES
SUGGESTED REPLACEMENT FOR MR820, MR821 MR822, MR824, MR826 DIODES
HIGH FREQUENCY: 250 kHz FAST RECOVERY: Typical 100nS - 150nS
UNMATCHED PERFORMANCE - Minimal RFI/EMI, Reduced Power Losses, Extremely Cool Operation Increased Power Supply Efficiency
VOID FREE Vacuum Die Soldering For Maximum Mechanical Strength And Heat Dissipation (Solder Voids: Typical < 2%, Max. < 10% of Die Area)
Proprietary Junction Passivation For Superior Reliability and Performance
Wide Range of Applications - Inverters, Converters Choppers, Power Supplies, etc.
M
MECHANICAL DATA
Case: Molded Epoxy (UL Flammability Rating 94V-O)
Finish: All external surfaces are corrosion resistant and the contact areas are readily solderable
Maximum Lead Soldering Temperature: 210 oC, 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)
MECHANICAL SPECIFICATION
DA E
L FB
Die Size:
0.180" x 0.180" Square
MILLIMETERS INCHES DIM
MIN MAX MIN MAX
A 0.332 0.342
B 0.234 0.246
D 0.050 0.053 E 0.215 0.225
F 0.165 0.175 L 0.990 1.010
M 5° NOM
5° NOM
L RoHS COMPLIANT
MAXIMUM RATINGS & ELECTRICAL CHARACTERISTICS
Ratings at 25 °C ambient temperature unless otherwise specified.
PARAMETER (TEST CONDITIONS)
SYMBOL
RATINGS
UNITS
Series Number
Maximum DC Blocking Voltage
Maximum RMS Voltage
Maximum Peak Recurrent Reverse Voltage
Average Forward Rectified Current
Peak Forward Surge Current (8.3mS single half sine wave superimposed on rated load)
Maximum Forward Voltage at 35 Amps DC
Maximum Average DC Reverse Current At Rated DC Blocking Voltage
@ TC = 25 oC @ TC = 100 oC
Typical Thermal Resistance, Junction to Case (Note 1)
Maximum Reverse Recovery Time (I = 1.0 Amp to V = 30 Vdc)
FR
(I = 15 Amp, di/dt = 25 A/ms) FM
Junction Operating and Storage Temperature Range
Notes: 1) Both Leads to Heatsink, Equal Length
VRM VRMS VRRM
IO IFSM VFM IRM RGJC
TRR
T TJ, STG
DSRP DR DR DR DR 3852001S 821 822 824 826
50 100 200 400 600 35 70 140 280 420 VOLTS
50 100 200 400 600
35 AMPS
600
1.2 (Typical 1.1)
2.0 100
0.8
VOLTS
mA
°C/W
200 (Typ. 150) 300 (Typ. 150)
nSec
-65 to +175
°C
Data Sheet No. DR820-1A
.