LS4148, LS4448 LS4148, LS4448 Surface Mount Small Signal Diodes Kleinsignal-Dioden fur die Oberflachenmontage Version 2006-10-30 Power dissipation Verlustleistung 500 mW 0.3 Glass case Quadro-MiniMELF Glasgehause Quadro-MiniMELF 0.3 Weight approx. Gewicht ca. Type Typ 3.50.1 Repetitive peak reverse voltage Periodische Spitzensperrspannung Dimensions - Mae [mm] 100 V ~ SOD-80 0.04 g Standard packaging taped and reeled Standard Lieferform gegurtet auf Rolle Maximum ratings (TA = 25C) Grenzwerte (TA = 25C) LS4148, LS4448 Power dissipation - Verlustleistung Ptot 500 mW 1) Max. average forward current - Dauergrenzstrom (dc) IFAV 150 mA 1) Repetitive peak forward current - Periodischer Spitzenstrom IFRM 300 mA 1) IFSM IFSM 500 mA 1) 2A VR 75 V VRRM 100 V Tj TS -55...+175C -55...+175C Non repetitive peak forward surge current Stostrom-Grenzwert tp 1 s tp 1 s Reverse voltage - Sperrspannung Repetitive peak reverse voltage - Periodische Spitzensperrspannung Junction temperature - Sperrschichttemperatur Storage temperature - Lagerungstemperatur Characteristics (Tj = 25C) Forward voltage Durchlass-Spannung Kennwerte (Tj = 25C) LS4148 IF = 50 mA VF < 1.0 V LS4448 IF = 5 mA IF = 100 mA VF VF 0.62...0.72 V <1V Leakage current - Sperrstrom 2) VR = 20 V VR = 75 V IR IR < 25 nA < 5 A Leakage current - Sperrstrom, Tj = 125C 2) VR = 20 V VR = 75 V IR IR < 30 A < 50 A Max. junction capacitance - Max. Sperrschichtkapazitat VR = 0 V, f = 1 MHz CT 4 pF Reverse recovery time - Sperrverzug IF = 10 mA uber/through IR = 10 mA bis/to IR = 1 mA trr < 4 ns 1 2 Mounted on P.C. board with 3 mm2 copper pad at each terminal Montage auf Leiterplatte mit 3 mm2 Kupferbelag (Lotpad) an jedem Anschluss Tested with pulses tp = 300 s, duty cycle 2% - Gemessen mit Impulsen tp = 300 s, Schaltverhaltnis 2% (c) Diotec Semiconductor AG http://www.diotec.com/ 1 LS4148, LS4448 Characteristics (Tj = 25C) Kennwerte (Tj = 25C) Thermal resistance junction to ambient air Warmewiderstand Sperrschicht - umgebende Luft RthA These diodes are also available in other case styles Diese Dioden sind auch in anderen Gehauseformen lieferbar < 300 K/W 1) DO-35 MiniMELF Q-MicroMelf SOD-123 SOD-323 = 1N4148 = LL4148 = MCL4148 = 1N4148W = 1N4148WS 1 120 [%] [A] 100 10-1 80 Tj = 125C -2 10 60 40 Tj = 25C 10-3 20 IF Ptot 0 -4 0 TA 50 100 150 [C] 10 Power dissipation versus ambient temperature ) Verlustleistung in Abh. von d. Umgebungstemp.1) 1 2 http://www.diotec.com/ 0 VF 0.4 0.6 0.8 1.0 [V] 1.4 Forward characteristics (typical values) Durchlasskennlinien (typische Werte) (c) Diotec Semiconductor AG