LS4148

DATA SHEET LS4148 FAST SWITCHING SURFACE MOUNT DIODES VOLTAGE 100 Volts POWER 500 mWatts QUADRO-MELF Unit : inch (mm) FEATURES • Fast switching Speed. • Surface Mount Package Ideally Suited For Automatic Insertion. • Silicon Epitaxal Planar Construction. • Both normal and Pb free product are available : Normal : 80~95% Sn, 5~20% Pb Pb free: 98.5% Sn above .0 67 (1 .7 ) MECHANICAL DATA Case: QUADRO-MELF, Model Glass Terminals: Solderable per MIL-STD-202E, Method 208 Polarity: Cathode Band Marking: Cathode Band Only Weight: 0.03 grams Packing information T/R - 2.5K per 7" plastic Reel .020(0.5) .012(0.3) .146(3.7) .130(3.3) .020(0.5) .012(0.3) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TJ =25°C unless otherwise noted) P A R A M E TE R R e ve rse V o l a g e t P e a k R e ve rse V o l a g e t R M S V olage t M a xi um A ve ra g e F o rw a rd C urre nt a t Ta = 2 5 O C A nd f > 5 0 H z m S urg e F o rw a rd C urre nt a t t < 1 s a nd T j 2 5 = P o w e r D i si a t o n a t Ta m b = 2 5 spi O O S YM B O L VR V RM V RM S IV A I SM F P TO T VF LS 4148 75 100 50 150 500 500 1. 0 25 5 50 4 4 350 -6 5 t + 1 7 5 o .063(1.6) .055(1.4)DIA. UNI S T V V V mA mA mW V nA µA µA pF ns O C C M a xi um F o rw a rd V o l a g e a t I = 1 0 m A m t F M a xi um L e a ka g e C urre nt m at V R =20V at V R =75V a t V R = 2 0 V , J= 1 5 0 O C T M a xi um C a p a ci a nce (N o t 1 ) m t e M a xi um R e ve rse R e co ve ry Ti e (N o t 2 ) m m e M a xi um T he rm a l R e si t nce m sa Junct o n Te m p e ra t re a nd S t ra g e Te m p e ra t re R a ng e i u o u I R CJ TR R R θ JA T J, S T C /W O C NOTE: 1. CJ at VR=0, f=1MHZ 2. From IF=10mA to IR=1mA, VR=6Volts, RL=100Ω STAD-JUL.30.2004 PAGE . 1 RATING AND CHARACTERISTIC CURVES A 10 2 I v=tp / T T=1/fp tp I FRM T t I FRM 10 1 V=0 V=0.1 10 0 V=0.2 V=0.3 10 -5 10 -1 10 -4 10 -3 10 -2 10 -1 10 0 10 1 S tp Fig.1 ADMISSIBLE REPETITIVE PEAK FORWARD CURRENT VERSUS PULSE DURATION 10 4 10 3 FORWARD RESISTANCE, W T J =25 C f=1KHz 10 3 O FORWARD CURRENT, mA 10 2 10 1 10 2 10 0 10 1 10 -1 10 -2 10 0 10 -2 10 -1 10 0 10 1 10 2 0 1 FORWARD VOLTAGE, VOLTS 2 FORWARD CURRENT, mA Fig.2-DYNAMIC FORWARD RESISTANCE VERSUS FORWARD CURRENT Fig.3 FORWARD CHARACTERISTICS POWER DISSIPATION, mW 1.1 500 T J =25 C f=1KHz O 300 CAPACITANCE, pF 100 200 1.0 0.9 0.8 100 0.7 0 AMBIENT TEMPERATURE 0 2 4 6 8 1.0 REVERSE VOLTAGE, VOLTS Fig.4 DERATING CURVE Fig.5 TYPICAL JUNCTION CAPACITANCE STAD-JUL.30.2004 PAGE . 2