features mechanical specification case: m finish: all external surfaces are corrosion resistant and the contact areas are readily solderable maximum lead soldering temperature: 220 c, 3/8" from case for 10 seconds at 5 lbs tension mounting position: any polarity: color band or diode symbol on case weight: 0.09 ounces (2.6 grams) o olded epoxy (ul flammability rating 94v-o) mechanical data maximum ratings & electrical characteristics ratings at 25 c ambient temperature unless otherwise specified. 35 amp lead mount button diodes soft recovery fast switching tel.: (310) 767-1052 fax: (310) 767-7958 diotec electronics corp gardena, ca 90248 u.s.a 18020 hobart blvd., unit b proprietary junction passivation for superior reliability and performance ideally suited for electric vehicle motor control applications 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 inches millimeters min dim a b d max max min 0.332 0.234 0.050 0.342 0.2460.053 e 0.215 0.225 f 0.165 0.175 l 0.990 1.010 m 5 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 500 1.35 (typical 1.25) 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 = 125 c c o 1.0 50 0.8 units volts volts amps c/w m a ratings 3501s srp 50 100 200 400 600 50 100 200 400 600 35 70 140 280 420 srl srl srl srl srl 3500 3501 3502 3504 3506 35 wide range of applications: motor speed controllers, 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 inches millimeters min dim a b d max max min 0.332 0.234 0.215 0.342 0.2460.225 e 0.050 0.053 f 0.165 0.175 l 0.990 1.010 m 5 nom 5 nom junction operating and storage temperature range t j, t stg -65 to +175 c notes: 1) both leads to heatsink, equal length band denotes cathode glass passivated die performance for superior reliability and data sheet no. srpl-3500s-1a
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