TWO TERMINALS SMD SWITCHING DIODES LS4148 LS4448 Two Terminals Surface Mount Switching Diodes Features * * * * * Fast Switching Speed Surface Mount Package Ideally Suited for Automatic Insertion General Purpose Rectification Silicon Epitaxial Planar Construction RoHS compliant QuadroMELF Mechanical Data Case: Terminals: Weight: QuadroMELF, Glass Case Solderable per MIL-STD-202, Method 208 0.05 grams Maximum Ratings (T Ambient=25C unless noted otherwise) Symbol Description LS4148 LS4448 Unit Reverse Voltage 75 V VRRM Peak Reverse Voltage 100 V IF(AV) Forward Average Current 150 mA IFSM Peak Forward Surge Current, Pulse Width=1.0us 2.0 A PD Power Dissipation above 25C 500 mW VRM Forward Voltage VF IR Max. Reverse Current CD Diode Capacitance Trr Reverse Recovery Time TJ,TSTG Min --- Max 1.0 @ 10mA 0.72 @ 5mA 1.0@100mA 0.025 5.0 (800)-247-2232 (800)-824-8329 (661)-257-6060 (661)-257-6415 V A VR=20V VR=75V 4.0 pF VR=0V, f=1MHz 4.0 ns IF= 10mA,IR=1mA, VR=6V,RL=100 -65 to +175 C TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com Tel: (800)-TAITRON Fax: (800)-TAITFA Valid provided that electrodes are kept at ambient temperature 0.62 @ 5mA 0.025 5.0 Operating Junction and Storage Temperature Range Conditions Rev. A/AH 2007-10-09 Page 1 of 3 Two Terminals Surface Mount Switching Diodes LS4148 LS4448 Typical Characteristics Curves Fig.2- Typical Instantaneous Forward Characteristics IF Forward Current (mA) PD Power Dissipation (mW) Fig.1- Forward Power Dissipation Derating Curve Forward Voltage (V) Ambient Temperature Ta (C) Fig.4- Typical Instantaneous Reverse Characteristics IR Reverse Current (A) CT Diode Capacitance (pF) Fig.3- Junction Capacitance Curve Reverse Voltage (V) Reverse Voltage (V) Rev. A/AH 2007-10-09 www.taitroncomponents.com Page 2 of 3 Two Terminals Surface Mount Switching Diodes LS4148 LS4448 Dimensions in inch QuadroMELF How to contact us: US HEADQUARTERS 28040 WEST HARRISON PARKWAY, VALENCIA, CA 91355-4162 Tel: (800) TAITRON (800) 247-2232 (661) 257-6060 Fax: (800) TAITFAX (800) 824-8329 (661) 257-6415 Email: taitron@taitroncomponents.com Http://www.taitroncomponents.com TAITRON COMPONENTS MEXICO, S.A .DE C.V. BOULEVARD CENTRAL 5000 INTERIOR 5 PARQUE INDUSTRIAL ATITALAQUIA, HIDALGO C.P. 42970 MEXICO Tel: +52-55-5560-1519 Fax: +52-55-5560-2190 TAITRON COMPONENTS INCORPORATED REPRESENTACOES DO BRASIL LTDA RUA DOMINGOS DE MORAIS, 2777, 2.ANDAR, SALA 24 SAUDE - SAO PAULO-SP 04035-001 BRAZIL Tel: +55-11-5574-7949 Fax: +55-11-5572-0052 TAITRON COMPONENTS INCORPORATED, SHANGHAI REPRESENTATIVE OFFICE CROSS REGION PLAZA, 899 LINGLING ROAD, SUITE 18C, SHANGHAI, 200030, CHINA Tel: +86-21-5424-9942 Fax: +86-21-5424-9931 Rev. A/AH 2007-10-09 www.taitroncomponents.com Page 3 of 3