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SMCJ33A
+BOMTVS DIODE 38.7VWM 53.3VC DO214AB
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ManufacturerRectron USA
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Mfr. Part #SMCJ33A
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Datasheet SMCJ33A DataSheet
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Package DO-214AB
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In Stock3334
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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
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
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
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
Manufacturer
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
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.