LL4448 FAST SWITCHING SURFACE MOUNT DIODES 500 mW POWER 100 Volts VOLTAGE MINI-MELF/LL-34 Unit : inch (mm) .063(1.6) • Fast switching Speed. • Surface Mount Package Ideally Suited For Automatic Insertion. • Silicon Epitaxal Planar Construction. • In compliance with EU RoHS 2002/95/EC directives MECHANICAL DATA • Case: MINI MELF • Terminals: Solderable per MIL-STD-750, Method 2026 • Polarity: Cathode Band • Marking: Cathode Band Only • Weight: 0.03 grams(approx) .020(0.5) .012(0.3) .055(1.4)DIA. FEATURES .020(0.5) .012(0.3) .146(3.7) .130(3.3) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TJ =25°C unless otherwise noted) PARAMETER SYMBOL LL4448 UNITS Peak Reverse Voltage VRM 100 V Maximum DC Blocking Voltage VDC 75 V C And f >50Hz IAV 150 mA C IFSM 500 mA PTOT 500 mW Maximum Forward Voltage at IF =100mA VF 1.0 V Maximum Leakage Current at VR=20V at VR=20V ,TJ= 150OC IR 30 50 nA µA Maximum Capacitance at VF =VR=0 CJ 4 pF Maximum Reverse Recovery Time From IF =-IR =10mA to IRR=-1mA ,VR=6V RL=100 Ω trr 4 ns Typical Maximum Thermal Resistance RθJA 350 Junction Temperature and Storage Temperature Range TJ,TS -65 to +175 Maximum Average Forward Current at Ta=25 Surge Forward Current at t < 1s and Tj= =25 Power Dissipation at Tamb= 25 O O O C O C/W O C NOTE: 1. CJ at VR=0, f=1MHZ 2. From IF=10mA to IR=1mA, VR=6Volts, RL=100Ω STAD-FEB.17.2009 1 PAGE . 1 LL4448 10 REVERSE CURRENT, mA FORWARD CURRENT, mA 100 10 1.0 TA=150 OC TA=125 OC 1.0 TA=85 OC 0.1 TA=55 OC 0.01 TA=25 OC 0.1 0.2 0.6 0.4 0.8 1.0 1.2 0.001 0 20 30 40 50 REVERSE VOLTAGE, Volts FORWARD VOLTAGE, Volts LEAKAGE CURRENT FORWARD VOLTAGE DIODE CAPACITANCE, pF 10 6.0 4.5 60 W 3.5 VRF=2V 2nF 5k W Vo 1.5 0 0 2 4 6 8 RECTIFICATION EFFCIENCY MEASUREMENT CIRCUIT REVERSE VOLTAGE, Volts TYPICAL CAPATICANCE STAD-FEB.17.2009 1 PAGE . 2 LL4448 MOUNTING PAD LAYOUT ORDER INFORMATION • Packing information T/R - 10K per 13" plastic Reel T/R - 2.5K per 7" plastic Reel LEGAL STATEMENT Copyright PanJit International, Inc 2009 The information presented in this document is believed to be accurate and reliable. The specifications and information herein are subject to change without notice. Pan Jit makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose. Pan Jit products are not authorized for use in life support devices or systems. Pan Jit does not convey any license under its patent rights or rights of others. STAD-FEB.17.2009 1 PAGE . 3