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Littelfuse 1-Element Bi-Directional TVS Diode 600 W 2-Pin DO-214 SMBJ18CA
Specifications
| Country of Origin | India |
|---|---|
| Brand | Littelfuse |
| Height | 2.237mm |
| Length | 4.57mm |
| Model | SMBJ18CA |
| Width | 3.94mm |
| Mount Type | Surface |
| Series | SMBJ |
| Maximum Operating Temperature | 150°C |
| Package Type | DO-214 |
| Minimum Operating Temperature | -65°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Clamping Voltage VC | 29.2V |
| Diode Configuration | Single |
| Direction Type | Bi-Directional |
| Minimum Breakdown Voltage Vbr | 20V |
| Maximum Reverse Stand-off Voltage Vwm | 18V |
| Peak Pulse Power Dissipation Pppm | 600W |
| Test Current It | 1mA |
| Maximum Peak Pulse Current Ippm | 20.6A |
| Maximum Reverse Leakage Current | 1μA |
Key Features
- Single diode configuration designed for transient voltage suppression.
- Bi-directional direction type for protection against voltage spikes.
- Minimum breakdown voltage of 20 V with a maximum reverse stand-off voltage of 18 V.
- Clamping voltage rated at 29.2 V ensuring device safety during voltage surges.
- Operating temperature range from -65°C to 150°C for reliability in harsh conditions.
- Surface mountable DO-214 package type measuring 4.57 mm length, 3.94 mm width, and 2.237 mm height.
- Maximum peak pulse current of 20.6 A and peak pulse power dissipation of 600 W.
- Low maximum reverse leakage current of 1 μA minimizing power loss.
Product Description
Littelfuse SMBJ18CA is a high-performance 1-element bi-directional Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic circuits from transient voltage events such as electrostatic discharge and lightning surges. Featuring a robust 600 W peak pulse power dissipation capability and housed in a compact 2-pin DO-214 surface mount package, this diode offers reliable protection for electronic components in industrial and consumer applications.
The device exhibits a minimum breakdown voltage of 20 V and a maximum reverse stand-off voltage of 18 V, with a clamping voltage of 29.2 V to effectively clamp surges. Operating reliably in temperatures ranging from -65°C to 150°C, it is well-suited for use in harsh environments and mission-critical applications.
This TVS diode supports a maximum peak pulse current of 20.6 A and maintains a very low maximum reverse leakage current of 1 μA, ensuring minimal power dissipation in standby conditions. Its surface mountable DO-214 package measures 4.57 mm in length, 3.94 mm width, and 2.237 mm height, facilitating integration into compact PCB designs.
Underlying this device is Littelfuse’s SMBJ series technology known for high reliability and long operational life. The diode effectively suppresses transient voltage spikes in bi-directional polarity, making it ideal for AC and DC protective circuits, telecommunications, automotive electronics, industrial power supplies, and other electronic equipment.
Single diode configuration designed for transient voltage suppression. Bi-directional polarity offers comprehensive protection against surges. 600 W peak pulse power dissipation for robust transient suppression. Wide operating temperature range from -65°C to 150°C for durability.
Compact surface mount DO-214 package for easy PCB integration. Low leakage current minimizes standby power loss. High peak pulse current rating of 20.6 A enhances surge handling.
This Littelfuse SMBJ18CA TVS Diode is an essential component for engineers seeking efficient and reliable protection solutions in industrial, commercial, automotive, and consumer electronic designs. It ensures long-term durability and protection of sensitive electronic components from transient voltage damage to improve system reliability.
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Frequently Asked Questions
The SMBJ18CA diode has a peak pulse power dissipation capability of 600 W, which allows it to effectively handle transient voltage events.
The clamping voltage for the SMBJ18CA is rated at 29.2 V, ensuring effective surge protection during voltage spikes.
This diode operates reliably within a temperature range of -65°C to 150°C, making it suitable for harsh environmental conditions.
The maximum reverse stand-off voltage for this diode is 18 V, providing a safe operating limit for protection against voltage surges.
This model features a single diode configuration, designed specifically for transient voltage suppression.
The maximum peak pulse current rating for the SMBJ18CA is 20.6 A, allowing it to handle significant surge conditions.
The dimensions of the DO-214 package are 4.57 mm in length, 3.94 mm in width, and 2.237 mm in height, facilitating compact PCB integration.
The SMBJ18CA has a maximum reverse leakage current of 1 μA, which helps minimize power loss during standby conditions.
Yes, the SMBJ18CA is a bi-directional diode, providing comprehensive protection against voltage spikes in both directions.
The minimum breakdown voltage for the SMBJ18CA is 20 V, which is essential for its operation in protecting against transient voltages.
This diode is designed for surface mounting, which allows for easy integration into printed circuit boards (PCBs).
The SMBJ18CA is suitable for applications in telecommunications, automotive electronics, industrial power supplies, and other electronic equipment requiring transient voltage protection.
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