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| LL4933G - LL4937G 1.0AMP Surface Mount Glass Passivated Silicon Rectifiers MELF Features Plastic package has carries underwriters laboratory flammability classification 94V-0. Surge overload rating to 30 amperes peak Ideal for printed circuit board Reliable low cost construction utilizing molded plastic technique results in inexpensive product High temperature soldering guaranteed: o 260 C / 10 seconds at terminals. Mechanical Data Solderability per MIL-STD-750, method 208 at terminals. Mounting position: Any Weight: 0.12 gram Dimensions in inches and (millimeters) Rating at 25 oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Maximum Ratings and Electrical Characteristics Type Number Maximum Recurrent Peak Reverse Voltage Symbol VRRM VRMS VDC I(AV) IFSM VF IR LL 4933G Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current o @TA = 75 C Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @1.0A Maximum DC Reverse Current @ TA=25 oC at Rated DC Blocking Voltage @ TA=125 oC Maximum Reverse Recovery Time(Note 3) Typical Junction Capacitance ( Note 1 ) Typical Thermal Resistance (Note 2) 50 35 50 LL 4934G 100 70 100 LL 4935G 200 140 200 1.0 30 1.2 LL 4936G 400 280 400 LL Units 4937G 600 420 600 V V V A A V uA uA nS pF o Trr Cj RJC Operating and Storage Temperature Range TJ,TSTG 1. Measured at 1 MHz and Applied Reverse Voltage of 4.0 Volts D.C. Notes: 2. Thermal Resistance from Junction to case. Mount on 0.2" x 0.2" Cu-pad on P.C.B. 3. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A 5 100 150 15 60 - 65 to + 150 C/W o C Version: A06 RATINGS AND CHARACTERISTIC CURVES (LL4933G THRU LL4937G) 1.0 FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE FIG.2- TYPICAL FORWARD CHARACTERISTICS 20 10 AVERAGE FORWARD RECTIFIED CURRENT AMPERES 0.6 0.4 P.C.B. MONTED ON 0.2X0.2" (5.0X5.0mm)COPPER AREAS PADS INSTANTANEOUS FORWARD CURRENT. (A) 0.8 3 1 0.2 0 0.3 0 25 50 75 100 o 125 150 175 AMBIENT TEMPERATURE. ( C) 0.1 PEAK FORWARD SURGE CURRENT AMPERES FIG.3- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 30 TJ=75 C 8.3ms Single Half Sine Wave JEDEC Method 0 0.03 Tj=25oC Pulse Width=300 s 1% Duty Cycle 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0.01 0.6 20 FORWARD VOLTAGE. (V) FIG.5- TYPICAL REVERSE CHARACTERISTICS 10 1000 1.0 CYCLE 1 2 4 6 8 10 20 40 60 80 100 NUMBER OF CYCLES AT 60Hz INSTANTANEOUS REVERSE CURRENT. (mA) 0 TJ=125 0C 100 FIG.4- TYPICAL JUNCTION CAPACITANCE 20 JUNCTION CAPACITANCE.(pF) TJ=75 0C 10 Tj=25 0C 10 TJ=25 0C f=1 MHz Vsig=50mVp-p 1 1 10 REVERSE VOLTAGE. (V) 100 1 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50 NONINDUCTIVE 10 NONINDUCTIVE +0.5A DUT (-) PULSE GENERATOR (NOTE 2) OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A trr (+) 50Vdc (approx) (-) NON INDUCTIVE NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms -1.0A 1cm SET TIME BASE FOR 5/ 10ns/ cm Version: A06 |
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