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