1.5KE91A-T

Current - Peak Pulse (10/1000µs):	12A
Base Part Number:	1.5KE91
Supplier Device Package:	DO-201
Package / Case:	DO-201AA, DO-27, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Series:	--
Voltage - Clamping (Max) @ Ipp:	125V
Voltage - Breakdown (Min):	86.5V
Voltage - Reverse Standoff (Typ):	77.8V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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1.5KE91A-T TVS - Diodes Application Field and Working PrincipleTVS - Diodes, also known as transient voltage suppressors (TVS), are components designed to protect against transient bursts of voltage (typically in the range of hundreds of volts) caused by voltage surges. A surge is an uncontrolled high-voltage pulse or spike of electrical energy that occurs when two or more points in an electrical circuit carrying 1.5KE91A-T are suddenly disconnected, such as during a lightning strike or power interruption.The 1.5KE91A-T TVS-Diode series is specifically designed for the protection of microprocessors, data line protection and telecommunications lines. As with most TVS-Diodes, the 1.5KE91A-T works by sensing the overvoltage and clamping the voltage to a safe level. This is achieved through a special reverse blocking diode, known as the triggering element.When the voltage rises to a pre-programmed level, the triggering element will be triggered and the current will be sunk into the protected device. This shortens the pulse time and the voltage will then be lowered to a safe level before any damage is done to the protected device. By limiting the voltage in this way, the 1.5KE91A-T TVS-Diode protects microprocessors, data line protection, telecommunication lines and other devices from voltage surges.The 1.5KE91A-T TVS-Diode series is available in different package types, such as SMD and Through-Hole Types. This ensures compatibility with a wide range of applications, to meet the specific requirements of a customer. The 1.5KE91A-T is also constructed using high-reliability semiconductor materials, ensuring excellent long-term reliability.To ensure maximum efficiency, 1.5KE91A-T TVS-Diodes are also designed to dissipate the stored energy quickly, by using the Thermal Dissipation Performance Index (TDPI). This helps to ensure protection against repetitive surges, helping to prevent failure of the protected device in the event of a subsequent surge.In addition to providing protection from voltage surges, 1.5KE91A-T TVS-Diodes also provide protection against Electro Static Discharge (ESD), which is caused by static electricity. ESD can cause damage to sensitive electronic components if not treated carefully. The 1.5KE91A-T is designed to provide protection from both input ESD and output ESD, which guards against damage from both static electricity and voltage surges.Finally, the 1.5KE91A-T is also designed to be resilient against external environmental factors, such as extreme temperatures and humidity. The 1.5KE91A-T is tested against a wide range of parameters to ensure good reliability and performance in the most challenging conditions. This makes it the ideal choice for applications in the consumer, industrial, or medical markets.In conclusion, the 1.5KE91A-T TVS-Diode is an excellent choice for the protection of microprocessors, data line protection, telecommunication lines and other devices from voltage surges. Its fast response times, wide compatibility, and good environmental resilience ensure it can meet the requirements of an array of applications.

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