LL4151 HIGH SPEED SWITCHING DIODE MiniMELF (SOD-80C) Cathode Mark FEATURES : 0.063 (1.64) * High switching speed: max. 4 ns * Reverse voltage:max. 50 V * Peak reverse voltage:max. 75 V * Pb / RoHS Free 0.055 (1.40) 0.019(0.48) 0.011(0.28) 0.142(3.6) 0.134(3.4) Mounting Pad Layout 0.098 (2.50) Max. 0.049 (1.25)Min. MECHANICAL DATA : Case: MiniMELF Glass Case (SOD-80) Weight: approx. 0.05g 0.079 (2.00)Min. 0.197 (5.00) REF Dimensions in inches and ( millimeters ) Maximum Ratings and Thermal Characteristics (Rating at 25 C ambient temperature unless otherwise specified.) Parameter Symbol Value Unit Maximum Peak Reverse Voltage VRM 75 V Maximum Reverse Voltage VR 50 V Maximum Continuous Current IF 200 V IF(AV) 150 mA IFSM 0.5 A PD 500 mW Maximum Average Forward Current Half Wave Rectification with Resistive Load , f 50Hz (1) Maximum Surge Forward Current at t < 1s, Tj = 25C Maximum Power Dissipation (1) RJA 350 C/W Maximum Junction Temperature TJ 175 C Storage Temperature Range TS -65 to + 175 C Thermal Resistance Junction to Ambient Air (1) Note: (1) Valid provided that electrodes are kept at ambient temperature Electrical Characteristics (TJ = 25C unless otherwise noted) Parameter Reverse Current Symbol IR VF Forward Voltage Diode Capacitance Cd Reverse Recovery Time Trr Page 1 of 2 Test Condition VR = 50 V VR = 50 V , Tj = 150 C IF = 50 mA f = 1MHz ; VR = 0 IF = 10 mA to IR = 10mA to IR = 1mA, RL = 100 Min Typ Max Unit - - 0.05 50 1.0 2.5 A A V pF - - 4 ns Rev. 02 : March 25, 2005 RATING AND CHARACTERISTIC CURVES ( LL4151 ) FIG. 1 MAXIMUM FORWARD CURRENT VERSUS AMBIENT TEMPERATURE FIG. 2 TYPICAL FORWARD VOLTAGE 1000 Forward Current , IF (mA) AVERAGE FORWARD OUTPUT CURRENT, mA 200 150 100 100 10 TJ = 25C 1 50 0.1 0 0.01 0 100 200 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 Forward Voltage , VF (V) Ambient Temperature , Ta (C) FIG. 3 TYPICAL DIODE CAPACITANCE AS A FUNCTION OF REVERSE VOLTAGE FIG. 4 TYPICAL REVERSE CURRENT VERSUS JUNCTION TEMPERATURE 104 1.2 Reverse Current , IR (nA) Diode Capacitance , Cd (pF) 1.0 0.9 0.8 0.7 f = 1MHz; TJ = 25C 0.6 10 3 102 10 0.5 0.4 1 0 10 Reverse Voltage , VR (V) Page 2 of 2 20 0 100 200 Junction Temperature, Tj (C) Rev. 02 : March 25, 2005