1N4933-1N4937 Fast Recovery Rectifier DO-41 Features Low cost construction Fast switching for high efficency. Low reverse leakage High temperature soldering guaranteed: High forward surge current capability o 260 C/10 seconds/0.375 ＂ (9.5mm)lead length at 5 lbs (2,3kg) tension Mechanical Data Case: Transfer molded plastic Polarity: Color band denotes cathode end Mounting position: Any Weight: 0.012 ounce,0.33 gram Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics o Ratings at 25 C ambient temperature unless otherwise specified. Single phase,half wave,60Hz,resistive or inductive load. For capacitive load derate current by 20%. SYMBOLS IN4933 IN4934 IN4935 IN4936 IN4937 UNITS Maximum Repetitive Peak Reverse Voltage V RRM Maximum RMS Voltage V RMS 35 70 140 280 420 V olts V olts Maximum DC Blocking Voltage V DC 50 100 200 400 600 V olts 50 100 200 400 600 Maximum Average Forward Rectified Current o 0.375”(9.5mm) lead length at T A =75 C I (AV) 1.0 A mp I FSM 30 A mps 1.2 V olts Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum Instantaneous Forward Voltage at 1.0A Maximum DC Reverse Current at rated DC blocking voltage VF o T A =25 C o T A =100 C 5.0 IR 100 Maximum Reverse Rec very Time(NOTE3) o T j=25 C Maximum Reverse Recovery Current(NOTE 3) Typical Junction Capacitance(NOTE1) I RM(REC) CJ Typical Thermal Resistance(NOTE2) R t rr JA 200 nS 2.0 A mps 15 50 T J ,T STG -65 to +150 Operating and Storage Temperature Range NOTES: 1.Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts. 2.Thermal Resistance from Junction to Ambient at 0.375”(9.5mm) lead length,P.C.board mounted. 3.Reverse Recovery Test Conditions:I F =1.0A,V R =30V,di/dt=50A/ s,I rr =10% I RM for measurement of t rr . http://www.luguang.cn A mps mail:[email protected] pF O C/W O C 1N4933-1N4937 FIG.1-TYPICAL FORWARD CURRENT FIG.2-MAXIMUM NON-REPETITIVE PEAK DERATING CURVE FORWARD SURGE CURRENT 1.2 Single Phase Half Wave 60Hz 0.4 Resistive or Inductive Load 0.2 0.375 ＂(9.5mm) Lead Length 0 0 25 50 75 100 125 150 8.3ms Single Half Sine-Wave (JEDEC Method) T j=Tjmax CURRENT,(A) 0.8 0.6 30 PEAK FORWARD SURGE 1.0 (A) AVERAGE FORWARD CURRENT, Fast Recovery Rectifier 20 10 1 Cycle 175 0 o AMBIENT TEMPERATURE,( C) INSTANTANEOUS REVERSE CURRENT, 1.0 0.1 o T j=25 C Pulse Width=300us 1% Duty Cycle 0.01 1.3 8 10 20 40 60 80100 o Tj=100 C 1.0 o Tj=25 C 0.1 0.01 0 1.4 INSTANTANEOUS FORWARD VOLTAGE,(V) 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) FIG.5-TYPICAL JUNCTION CAPACITANCE FIG.6-TEST CIRCUIT DIAGRAM AND 100 JUNCTION CAPACITANCE,(pF) 6 10 (uA) 10 (A) INSTANTANEOUS FORWARD CURRENT, 20 1.1 4 FIG.4-TYPICAL REVERSE CHARACTERISTICS 100 FORWARD CHARACTERISTICS 0.9 2 NUMBER OF CYCLES AT 60 Hz FIG.3-TYPICAL INSTANTANEOUS 0.7 1 REVERSE RECOVERY TIME CHARACTERISTIC 8 115 Va 60Hz 10K 2W 1 7 2 6 C.P. CLARE HPG 1002 10 UNIT UNDER TEST 3 5 4 1.AMP SLO-BLO FUSE - 30 Vdc CONSTANT VOLTAGE + SUPPLY 30 50W NON-INDUCTIVE 3.8uH/1.4 R2 1 10W NONINDUCTIVE C1 1.0uF 300V o MINIMIZE ALL LEAD LENGTHS Tj=25 C f=1MHz Vsig=50mVp-p A-TEKRONNIX 545A.K.PLUG IN PRE AMP P6000 PROBE OR EQUIVALENT IFM 1.0 I(t) 1.0Adc RROM CONSTANT VOLTAGE SUPPLY RIPPLE=3mVrms MAX C1 1.0uF 300V + 1 Zout 1 2- MAX DC to 2kHz - Trr d f /d t =50A/us RI-ADJUSTED FOR 1.4 BETEEN 1 POINT 2 OF RELAY AND RECTIFIER 0.1 1.0 10 REVRESE VOLTAGE,(V) 100 INDUCTIVE = 3.8uH IN PARALLEL o TA=25 +10-0 http://www.luguang.cn 0 R2-TEN-1W 10 CARBON CORE C FOR RECTIFIER IRM(REC) SET TIME BASE FOR 50/100ns/cm mail:[email protected]