SM15T15A

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SM15T15A

+Nomenclature

TVS DIODE 12.8VWM 27.2VC SMC

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
Series SM15T, TRANSIL™
ProductStatus Active
Type Zener
UnidirectionalChannels 1
Voltage-ReverseStandoff(Typ) 12.8V
Voltage-Breakdown(Min) 14.3V
Voltage-Clamping(Max)@Ipp 27.2V
Current-PeakPulse(10/1000µs) 368A (8/20µs)
Power-PeakPulse 1500W (1.5kW)
PowerLineProtection No
Applications General Purpose
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case DO-214AB, SMC

Présentation

Description

The SM15T15A is a Transil™ transient voltage suppressor device designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. It is part of the SM15T series, which offers a unidirectional protection capability. This specific component can clamp voltage spikes and prevent them from damaging circuits by using its avalanche breakdown characteristics.
Key features of the SM15T15A include:
- Breakdown Voltage: Typically around 15 volts.
- Peak Pulse Power: The device can handle up to 1500 watts (10/1000µs waveform), providing robust protection in high-transient environments.
- Low Clamping Factor: Ensures the voltage is tightly controlled during a transient event.
- Response Time: Offers fast response times to transient voltage, typically in the picosecond range.
- JEDEC Registered: Compliance with JEDEC standards for transient voltage suppressors.
Its compact design and reliable performance make it suitable for protecting various applications, including power supplies, telecommunications, and industrial electronics, from transient voltage damage.

Equivalent

The SM15T15A is a transient voltage suppressor (TVS) diode. Equivalent products typically include other TVS diodes with similar specifications such as breakdown voltage and power dissipation. Some potential equivalents are the 1.5KE15A from Littelfuse, P6KE15A from ON Semiconductor, and SMAJ15A from Diodes Incorporated. Always verify the specific electrical and thermal characteristics to ensure compatibility for your application.

Features

The SM15T15A is a TVS (Transient Voltage Suppressor) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Here are its key features:
1. Peak Pulse Power: Capable of handling 1500 Watts of peak pulse power dissipation for a 10/1000μs waveform, offering robust protection against voltage surges.
2. Stand-off Voltage: The device has a stand-off voltage of 15 volts, making it suitable for a variety of applications with similar voltage requirements.
3. Breakdown Voltage: It begins to conduct current at a breakdown voltage of approximately 16.7 to 18.5 volts.
4. Clamping Voltage: The clamping voltage is rated at up to 24.4 volts, limiting the voltage to a safe level during a surge event.
5. Polarity: Available in both unidirectional and bidirectional configurations to suit different circuit designs.
6. Package Type: Typically offered in a DO-214AB (SMC) package, allowing for surface mount installation which is ideal for compact designs.
7. Operating Temperature: The operational temperature range is typically -55°C to +150°C, ensuring reliability in various environmental conditions.

Pinout

The SM15T15A is a unidirectional Transil™ transient voltage suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by inductive load switching and lightning. It is part of the SM15T series manufactured by STMicroelectronics.
Regarding its pin count, the SM15T15A is typically available in a DO-214AB (SMC) package, which has two pins: an anode and a cathode. These two pins are used to connect the diode in parallel with the circuit that requires protection.
The function of the SM15T15A is to clamp excessive voltage surges to a safe level by providing a low impedance path for the unwanted transient current. When a transient voltage exceeds the breakdown voltage of the TVS diode, it begins to conduct, thereby shunting the excess energy away from the protected circuit and preventing damage to sensitive components. The SM15T15A is specifically designed to protect against over-voltage conditions with a breakdown voltage of approximately 15V.

Manufacturer

The SM15T15A is a transient voltage suppressor (TVS) diode manufactured by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor manufacturer. It is one of the largest semiconductor companies in the world, based in Geneva, Switzerland. The company designs, develops, manufactures, and markets a wide range of semiconductor products, including discrete and integrated circuits, sensors, and microcontrollers. STMicroelectronics serves various industries, such as automotive, industrial, personal electronics, computer, and communication equipment.

Application

The SM15T15A is a transient voltage suppressor (TVS) diode designed to protect electronic circuits from voltage spikes and electrostatic discharge (ESD). Its primary application areas include:
1. Telecommunications: Protects communication equipment from overvoltage transients.
2. Automotive Electronics: Shields sensitive automotive circuits from electrical surges.
3. Industrial Equipment: Safeguards industrial control systems and machinery.
4. Consumer Electronics: Provides surge protection for devices like TVs, computers, and appliances.
5. Power Supplies: Ensures stability and protection against voltage fluctuations.
These applications leverage the diode's ability to clamp and dissipate excess voltage, thus maintaining the integrity and reliability of electronic systems.

Package

The SM15T15A is a Transil TVS (Transient Voltage Suppressor) diode typically found in a DO-218AB package. This package type is designed for surface-mount applications, providing efficient thermal and electrical performance, often used for protecting sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

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