1.5KE91C

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1.5KE91C Application Field and Working Principle

TVS - Diodes are mounting components used in protecing circuits against transients. The 1.5KE91C is a popular uni-directional TVS diode designed to protect sensitive electronic equipment from transient voltage surges. It combines the surge protection of a diode with the low leakage current of a metal-oxide varistor (MOV). This component is used for board-level protection for data and communication lines including Ethernet, USB, and CANbus.

1.5KE91C is a unidirectional Transient Voltage Suppression (TVS) diode designed to protect against lightning surges, power line transients, and electrostatic discharge (ESD). The component has a maximum peak pulse power rating of 91 watts. This diode has a low stand-off voltage of 6.2V, which allows it to begin clamping at low peak voltages. The device has a fast response time of 7 nanoseconds and will clamp high energy impulses within 1-3 microseconds.

1.5KE91C is designed with a lead frame and an epoxy case to protect it from environmental hazards and electrolytic corrosion. The diode has an epoxy-coated lead frame to prevent any short circuit due to metal debris while the epoxy encapsulation provides electrical insulation. The component is also designed to prevent reverse leakage current to ensure it is reliable and safe in operation.

1.5KE91C diode works by clamping any high voltage surges that occur on the data and communication lines. The device works by turning on instantaneously when the over-voltage reaches its minimum breakdown voltage (Vbr min). The clamping voltage (Vcl) is maintained until the surge dissipates or is discharged. The diode provides maximum protection without limiting the normal voltage signals.

1.5KE91C can be used in a wide range of applications where transient voltage suppression is required to protect sensitive electronic components. These applications include computers, laptops, gaming systems, power supplies, climate control systems, automotive electronics, industrial automation equipment, medical electronics, and more.

The 1.5KE91C is a reliable and efficient TVS diode that provides protection against lightning surges, power line transients, and electrostatic discharge. It has a low stand-off voltage and fast response time, which makes it ideal for use in a variety of applications. This component is reliable, safe, and easy to install in any system.

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