SMCJ33A

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SMCJ33A

+BOM

TVS DIODE 38.7VWM 53.3VC DO214AB

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Specifications

Attribute Value
Package Tape & Reel (TR)
Series SMCJ
ProductStatus Active
Type Zener
UnidirectionalChannels 1
Voltage-ReverseStandoff(Typ) 38.7V
Voltage-Clamping(Max)@Ipp 53.3V
Power-PeakPulse 1500W (1.5kW)
Applications General Purpose
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case DO-214AB, SMC

Overview

Description

The SMCJ33A is a type of Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic components from voltage spikes and transient events, such as those caused by lightning strikes or electrostatic discharge (ESD). This diode is part of the SMCJ series, which is known for its surface-mount packaging that allows for compact and efficient circuit board designs.
Key features of the SMCJ33A include:
1. Voltage Rating: It has a standoff voltage of 33 volts.
2. Power Handling: The device can handle peak pulse power dissipation of 1500 W (1.5 kW) at a 10/1000 µs waveform, making it suitable for high-energy environments.
3. Low Clamping Voltage: Provides excellent clamping capability, ensuring minimal voltage overshoot during transient events.
4. Bidirectional Protection: Some variants offer bidirectional protection, allowing for versatility in circuit design.
5. Robust Design: Its construction ensures high reliability and longevity in various environments.
In sum, the SMCJ33A is a reliable choice for safeguarding electronic circuits against transient voltage events, ensuring stability and longevity of electronic systems.

Equivalent

The SMCJ33A is a Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronics from voltage spikes. Equivalent products include:
1. 1.5KE33A - offers similar voltage protection and power handling.
2. P6KE33A - provides similar transient protection in a different package.
3. SMBJ33A - similar protection characteristics with a smaller package size.
4. SMC33A - another direct equivalent with similar specifications.
Ensure to verify compatibility with your specific application requirements.

Features

The SMCJ33A is a transient voltage suppression (TVS) diode designed to protect sensitive electronic components from voltage spikes. Key features include:
1. Reverse Stand-off Voltage: It has a nominal reverse stand-off voltage of 33V, meaning it can handle normal operating voltages up to this level without conducting.
2. Peak Pulse Power: The diode can manage a peak pulse power of 1500 watts at a 10/1000 µs waveform, making it suitable for handling large surges.
3. Fast Response Time: It offers a quick response to over-voltage transients, typically within picoseconds, effectively clamping voltage spikes.
4. Unidirectional Design: This diode conducts current in one direction, preventing reverse current flow.
5. DO-214AB Package: The SMCJ33A comes in a DO-214AB (SMC) package, which is compact and suitable for surface mounting.
6. Low Leakage Current: It features a low leakage current under normal conditions, reducing power consumption and increasing efficiency.
7. Operating and Storage Temperature: The diode operates effectively between -55°C and +150°C, providing reliability under various environmental conditions.
These features make the SMCJ33A ideal for protecting power supplies, consumer electronics, and industrial devices.

Pinout

The SMCJ33A is a Transient Voltage Suppressor (TVS) diode designed to protect electronic circuits from voltage spikes. It typically comes in a DO-214AB (SMC) package, which has two pins. One pin is the anode, and the other is the cathode. The primary function of the SMCJ33A is to clamp voltage spikes to a safe level and dissipate the excess energy, thus protecting sensitive components in the circuit. It is rated for a breakdown voltage of 33 volts, with a peak pulse power capability of 1500 watts. The diode is commonly used in power lines, data lines, and other vulnerable points in electronic systems to prevent damage from transient voltage events.

Manufacturer

The SMCJ33A is a type of transient voltage suppressor diode, and it is manufactured by several companies, including Littelfuse, Vishay Intertechnology, and ON Semiconductor. These companies operate in the semiconductor and electronic components industry.
1. Littelfuse: This is a global company that produces circuit protection, power control, and sensing products for a variety of end markets, including automotive, industrial, and electronics. They are known for their innovations in circuit protection technologies.
2. Vishay Intertechnology: This company is a major manufacturer of discrete semiconductors and passive electronic components. They provide a wide range of products used in virtually all types of electronic devices and equipment, serving industries such as telecommunications, automotive, industrial, and consumer electronics.
3. ON Semiconductor: Now known as onsemi, this company specializes in intelligent power and sensing technologies. They provide solutions for automotive, industrial, cloud power, and IoT sectors, focusing on energy-efficient innovations.
Each of these companies has a strong focus on semiconductor technologies and plays a significant role in the electronics supply chain by providing critical components used in various applications.

Application

The SMCJ33A is a transient voltage suppressor (TVS) diode used primarily for protecting sensitive electronic components from voltage spikes and electrostatic discharge (ESD). Key application areas include:
1. Telecommunications: Protecting interfaces and lines from voltage transients.
2. Consumer Electronics: Safeguarding devices like TVs, smartphones, and tablets against ESD.
3. Industrial Electronics: Ensuring the reliability of control systems and automation equipment.
4. Automotive Electronics: Protecting circuits in vehicles from electrical surges.
5. Data Communication: Shielding network and communication equipment from electrical noise and surges.
Its role is critical in enhancing the durability and longevity of electronic systems by preventing damage from transient voltage events.

Package

The SMCJ33A is a surface-mount transient voltage suppressor diode with a DO-214AB (SMC) package type. This package is designed for protecting sensitive electronics from voltage spikes and is commonly used in various electronic applications.