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| LL4148 0.2 AMPS. High Speed Switching Rectifiers MINI MELF Features Surge overload ratings to 2 amperes peak Ideal for printed circuit board Reliable low cost construction utilizing molded plastic technique results in inexpensive product Terminal : Pure tin plated lead free, Mounting position: Any Weight: 0.12 gram 0.019(0.50) 0.011(0.28) 0.145(3.70) 0.129(3.30) 0.063(1.60) 0.051(1.30) Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Maximum Ratings Type Number Repetitive Peak Reverse Voltage Reverse Voltage Forward Repetitive Peak Current (Note 1) Average Forwardt Current Peak Forward Surge Current Power Dissipation (Note 1) Thermal Resistance Junction to Ambient Air ( Note 1 ) Operating and Storage Temperature Range tp=1uS Symbol VRRM VR IFRM IF (AV) IFSM Pd RJA TJ, TSTG Value 100 75 500 150 2.0 500 350 -65 to + 175 Units V V mA mA A mW K/W o C Electrical Characteristics Type Number Forward Voltage Peak Reverse Current IF=5.0mA IF= 50mA VR=20V VR=20V, Tj=150oC VR=75V VR=0, f=1.0MHz Symbol VF IR Cj trr Min 0.62 - Max 0.72 1.0 25 50 5 4.0 4.0 Units V nA uA uA pF nS - Junction Capacitance - Reverse Recovery Time (Note 2) 1. Valid Provided that Terminals are Kept at Ambient Temperature. Notes: 2. Reverse Recovery Test Conditions: IF=10mA,VR=6V, Irr=0.1 x IR, RL=100. Version: A06 RATINGS AND CHARACTERISTIC CURVES (LL4148) FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE 250 200 100 Tj=125 0C FIG.2- TYPICAL REVERSE CHARACTERISTICS AVERAGE FORWARD CURRENT. (A) INSTANTANEOUS REVERSE CURRENT. ( A) 150 100 50 0 0 10 Tj=75 0C 1 200 100 o AMBIENT TEMPERATURE. ( C) 300 PEAK FORWARD SURGE CURRENT. (A) FIG.3- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 2.5 2.0 1.5 1.0 0.5 8.3ms Single Half Sine Wave JEDEC Method 0.1 Tj=25 0C 0.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) FIG.5- TYPICAL FORWARD CHARACTERISTICS 1000 1 2 5 10 20 50 Tj=25 0C FIG.4- TYPICAL JUNCTION CAPACITANCE 3 2.5 FORWARD CURRENT. (mA) 100 NUMBER OF CYCLES AT 60Hz 100 10 CAPACITANCE.(pF) 2 1.5 1 0.5 0 0.1 1 1 10 0.1 0 0.4 REVERSE VOLTAGE. (V) 0.8 1.2 1.6 FORWARD VOLTAGE (V) 2.0 FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 50W NONINDUCTIVE 10W NONINDUCTIVE +0.5A (-) DUT (+) 50Vdc (approx) (-) PULSE GENERATOR (NOTE 2) 1W NON INDUCTIVE OSCILLOSCOPE (NOTE 1) (+) 0 -0.25A trr 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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