What is LS4148?

This is HIGH SPEED SILICON SWITCHING DIODES.

A diode is a two-terminal electronic component that conducts electrical current in only one direction, and acts as a barrier to current flow in the opposite direction.

[PDF] Complete Technical Details can be found in the LS4148 datasheet provided at this page.

Datasheet Summary in PDF File

Continental Device India Limited An ISO TS 16949 ISO 9001 and ISO 14001 Certified Company HIGH SPEED SILICON SWITCHING DIODES LS4148 LS4448 Quadro MELF LS 34 High Speed Switching Diodes ABSOLUTE MAXIMUM RATINGS DESCRIPTION Repetitive Peak Reverse Voltage Continuous Reverse Voltage Peak Forward Surge Current tp 1 s Repetitive Peak Forward Current Forward Current Average Forward Current Power Dissipation up to Tj 25 C Junction Temperature Storage Temperature Range SYMBOL VRRM VR IFSM IFRM IF IFAV PD Tj Tstg VALUE 100 75 2 500 300 150 500 175 65 to 175 THERMAL RESISTANCE Junction to Ambient Rth j a Device mounted on a PC board 50mm x 50mm 1 6mm ELECTRICAL CHARACTERISTICS Ta 25 C unless specified otherwise DESCRIPTION SYMBOL TEST CONDITION Forward Voltage VF IF 5mA LS4448 IF 50mA LS4148 IF 100mA LS4448 Reverse Current IR VR 20V VR 20V Tj 150 C VR 75V Reverse Breakdown Voltage VBR IR 100 A tp T 0 01 tp 0 3ms 500 MIN 0 62 100 MAX 0 72 1 0 1 0 25 50 5 0 DYNAMIC CHARACTERISTICS Diode Capacitance Rectification Efficiency Reverse Recovery Time Cd VR 0V f 1MHz VHF 50mV 4 0 r VHF 2V f 100MHz 45 trr IF 10mA to IR 60mA RL 100 Measured IR 1mA 4 0 trr IF 10mA to IR 1mA 8 0 UNIT V V A mA mA mA mW C C K

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[ Detailed Data ]

The voltage at which the diode begins to conduct is known as the "forward threshold voltage," and is typically around 0.7 volts for a standard silicon diode. They are also used as protective devices in electronic circuits, to protect sensitive components from overvoltage or reverse voltage.

Manufacturers : CDIL

CDIL LS4148 DIODE

HIGH SPEED SILICON SWITCHING DIODES

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Datasheet LS4148.PDF DownLoad ( CDIL )

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