DATA SHEET LQSD103A~LQSD103C SMALL SIGNAL SCHOTTKY BARRIES SWITCHING DIODES VOLTAGE 20 to 40 Volts CURRENT 0.35 Amperes QUADRO-MELF Unit : inch (mm) FEATURES .063(1.6) .055(1.4)DIA. .0 67 (1 .7 ) • Low Forward Voltage Drop • Guard Ring Construction for Transient Protection • Low Reverse Recovery Time • Low Reverse Capacitance • Both normal and Pb free product are available : Normal : 80~95% Sn, 5~20% Pb Pb free: 98.5% Sn above MECHANICAL DATA .020(0.5) .012(0.3) • Case: Molded Quadro Melf, Glass .020(0.5) .012(0.3) .146(3.7) .130(3.3) • Terminals: Solderable per MIL-STD-202E, Method 208 • Polarity: See Diagram Below • Approx. Weight: 0.03 grams • Mounting Position: Any • Packing information T/R - 2.5K per 7" plastic Reel MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TJ =25°C unless otherwise noted) PA RA M E TE R S YM B O L L QS D 1 0 3 A L QS D 1 0 3 B L QS D 1 0 3 C U N IT S P e a k R e p e t i t i ve R e ve r s e V o l t a g e V RRM 40 30 20 V R M S R e ve r s e V o l t a g e V RM S 28 21 14 V M a x. A ve r a g e R e c t i f i e d C ur r e nt IO 350 mA P e a k F o r w a r d S ur g e C ur r e nt , t < 0 . 3 m s IF S M 15 A P o w e r D i s s i p a t i o n D e r a t e A b o ve 2 5 O C PD 400 mW M a x i m u m F o r w a r d V o l t a g e , IF = 2 0 m A IF = 2 0 0 m A VF 0 .3 7 0 .6 0 V M a xi m um R e ve r s e C ur r e nt IR 5@30V 5@20V 5@10V uA Ty p i c a l J u n c t i o n C a p a c i t a n c e ( N o t e 1 ) CJ 50 pF Ty p i c a l R e v e r s e R e c o v e r y ( N o t e 2 ) T RR 10 ns M a xi m um The r m a l R e s i s t a nc e Rθ J A 250 S t o r a g e Te m p e r a t u r e R a n g e T S TG - 6 5 TO + 1 7 5 O C / W O C NOTE: 1. CJ at VR=0, f=1MHZ 2. From IF=50mA to IR=200mA, RL=100Ω STAD-JUL.30.2004 PAGE . 1 1000 500 100 400 POWER DISSIPATION, mW FORWARD CURRENT, mA RATING AND CHARACTERISTIC CURVES 10 1.0 0.1 0.01 300 200 100 0 0.5 1.0 0 FORWARD VOLTAGE, VOLTS 0 100 200 AMBIENT TEMPERATURE, OC Fig.2- POWER DISSIPATION DERATING CURVE Fig.1 FORWARD CHARACTERISTICS C J , CAPACITANCE (pF) 100 10 1.0 0.1 0 10 20 30 40 50 V R , REVERSE VOLTAGE (V) Fig.3 TYPICAL CAPACITANCE vs REVERSE VOLATGE STAD-JUL.30.2004 PAGE . 2