1SMB (27)
LITTELFUSE1SMB is available from LITTELFUSE at Xecor. Designed for transient voltage suppression (TVS) and ESD protection, the 1SMB series offers high performance with a clamping voltage of 35.5V, peak pulse current of 16.9A, and robust power dissipation of 600W. Available in the DO-214AA (SMB) package, it is ideal for applications in automotive, telecommunications, and industrial electronics, where reliable protection against voltage spikes and surges is critical. Whether used in power supplies, communication systems, or automotive circuits, this series ensures durability, efficiency, and scalability for demanding applications. Xecor is an authorized distributor for LITTELFUSE. Please view our extensive selection of the 1SMB series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| 1SMB24AT3G | ON Semiconductor TVS Diode for transient voltage protection | DO-214 | 5,722 | |
| 1SMB100AT3G | 100V Unidirectional ESD Suppressors/TVS Diodes 600W | DO-214 | 7,405 | |
| 1SMB12AT3G | 1SMB12AT3G TVS Diode from ON Semiconductor, Uni-Directional with 600W peak, 2-Pin SMB | DO-214 | 7,465 | |
| 1SMB13AT3G | Single Unidirectional TVS Diode with 13V Voltage Rating | DO-214 | 6,329 | |
| 1SMB12CAT3G | TVS Diode Single Bi-Dir 12V 600W Automotive 2-Pin SMB T/R | DO-214 | 8,683 | |
| 1SMB16AT3G | Automotive Grade TVS Diode for Uni-Directional Protection, 16V, 600W | DO-214 | 7,372 | |
| 1SMB18CAT3G | Product 1SMB18CAT3G | DO-214 | 5,290 | |
| 1SMB30CAT3G | TVS Diode Single Bi-Dir 30V 600W Automotive AEC-Q101 2-Pin SMB T/R | DO-214 | 9,823 | |
| 1SMB36AT3G | TVS Diode Single Uni-Directional 36V 600W SMB 2-Pin T/R | DO-214 | 6,703 | |
| 1SMB58AT3G | TVS Diode Uni-Directional ON Semiconductor 1SMB58AT3G 2-Pin SMB 600W peak | DO-214 | 7,791 | |
| SZ1SMB36AT3G | SZ1SMB36AT3G TVS Diode - 0.6kW, 42.1V, 10.3A, Unidirectional, ±5%, DO214AA | DO-214AA | 5,754 | |
| SZ1SMB33CAT3G | 33V 600W BI-DIR SZ1SMB AEC-Q101 | DO-214AA | 9,518 | |
| 1SMB28CAT3G | RoHS Compliant 600 Watt 1SMBxxCA Series | DO-214AA | 5,482 | |
| 1SMB30AT3G | Single TVS Diode with 2-Pin SMB Package, 30V Reverse Voltage | DO-214AA | 9,899 | |
| 1SMB33AT3G | ON Semiconductor 1SMB33AT3G Uni-Directional TVS Diode, 600W peak, 2-Pin SMB | DO-214AA | 6,948 | |
| 1SMB40AT3G | ON Semiconductor 1SMB40AT3G Uni-Directional TVS Diode, 600W peak, 2-Pin SMB | DO-214AA | 8,194 | |
| 1SMB51AT3G | Featuring a 600W power capacity and 82 | DO-214AA | 6,628 | |
| SZ1SMB28CAT3G | Electrostatic Surge Protection | DO-214AA | 7,085 | |
| SZ1SMB24CAT3G | TVS diode 24V 600W surface mount SMB package | DO-214AA | 8,933 | |
| SZ1SMB30AT3G | TVS diodes for protecting against electrostatic discharge | DO-214AA | 9,005 | |
| SZ1SMB36CAT3G | 36V 600W TVS Diode in SMB Package | DO-214AA | 5,246 | |
| 1SMB28AT3G | TVS Diodes 28V 600W Unidirectional ESD Suppressors | DO-214AA | 9,700 | |
| 1SMB24CAT3G | Littelfuse 1SMB24CAT3G, Bi-Directional TVS Diode, 600W, 2-Pin SMB | DO-214AA | 8,499 | |
| 1SMB22AT3G | ESD Suppressors and TVS Diodes with Unidirectional 22V 600W | DO-214AA | 7,964 | |
| 1SMB15CAT3G | ON SEMICONDUCTOR - 1SMB15CAT3G - DIODE, TVS, 600W, 15V,UNIDIR, DO-214AA-2 | DO-214 | 8,408 | |
| 1SMB15AT3G | 1SMB15AT3G DO-214AA-2 Diode TVS ON SEMICONDUCTOR | DO-214AA | 7,609 | |
| 1SMB14AT3G | 14V TVS/ESD Diode, 15.6V-23.2V, 25.8A, 600W Power Dissipation, SMB Package | DO-214AA | 7,571 |
Key Featrues
High Peak Pulse Current (16.9A): The TVS diode can handle a peak pulse current of 16.9A, making it suitable for protecting sensitive electronic components from high-energy transient events such as ESD, lightning strikes, or inductive load switching. This ensures robust protection in demanding environments.
Bidirectional Polarity: The bidirectional nature of the diode allows it to protect against both positive and negative voltage transients, enhancing its versatility and making it ideal for applications where polarity reversal is a concern, such as in communication lines or power supplies.
Low Clamping Voltage (35.5V): With a clamping voltage of 35.5V, the diode effectively limits the voltage across the protected circuit to a safe level, minimizing the risk of damage to downstream components and improving overall system reliability.
Wide Operating Temperature Range (-65°C to +150°C): The diode operates reliably across a broad temperature range, making it suitable for use in extreme environments, including industrial, automotive, and aerospace applications, where temperature fluctuations are common.
Compact Surface Mount Package (DO-214AA, SMB): The diode comes in a compact DO-214AA (SMB) surface mount package, enabling easy integration into modern PCB designs and saving valuable board space, which is particularly beneficial in space-constrained applications like mobile devices or IoT gadgets.
Bidirectional Polarity: The bidirectional nature of the diode allows it to protect against both positive and negative voltage transients, enhancing its versatility and making it ideal for applications where polarity reversal is a concern, such as in communication lines or power supplies.
Low Clamping Voltage (35.5V): With a clamping voltage of 35.5V, the diode effectively limits the voltage across the protected circuit to a safe level, minimizing the risk of damage to downstream components and improving overall system reliability.
Wide Operating Temperature Range (-65°C to +150°C): The diode operates reliably across a broad temperature range, making it suitable for use in extreme environments, including industrial, automotive, and aerospace applications, where temperature fluctuations are common.
Compact Surface Mount Package (DO-214AA, SMB): The diode comes in a compact DO-214AA (SMB) surface mount package, enabling easy integration into modern PCB designs and saving valuable board space, which is particularly beneficial in space-constrained applications like mobile devices or IoT gadgets.
Applications
Power Supply Protection: The 1SMB TVS diode is ideal for protecting sensitive power supply circuits from voltage transients and electrostatic discharge (ESD). Its 22V working voltage and 35.5V clamping voltage ensure reliable protection in industrial and automotive power systems, where voltage spikes are common.
Communication Port Protection: This TVS diode is well-suited for safeguarding communication ports, such as USB, Ethernet, or RS-232, from ESD and surge events. Its bidirectional polarity and 16.9A peak pulse current rating make it an excellent choice for ensuring the longevity and reliability of data transmission lines in consumer electronics and networking equipment.
Automotive Electronics: The 1SMB TVS diode is perfect for protecting automotive electronics, such as infotainment systems, sensors, and control modules, from voltage spikes caused by load dumps or switching transients. Its robust design and wide operating temperature range (-65°C to +150°C) ensure reliable performance in harsh automotive environments.
Industrial Control Systems: This TVS diode is ideal for use in industrial control systems, where it can protect PLCs, motor drives, and other sensitive equipment from voltage surges and ESD. Its 600W peak pulse power dissipation and compact SMB package make it a reliable and space-efficient solution for ensuring the stability and durability of industrial automation systems.
Communication Port Protection: This TVS diode is well-suited for safeguarding communication ports, such as USB, Ethernet, or RS-232, from ESD and surge events. Its bidirectional polarity and 16.9A peak pulse current rating make it an excellent choice for ensuring the longevity and reliability of data transmission lines in consumer electronics and networking equipment.
Automotive Electronics: The 1SMB TVS diode is perfect for protecting automotive electronics, such as infotainment systems, sensors, and control modules, from voltage spikes caused by load dumps or switching transients. Its robust design and wide operating temperature range (-65°C to +150°C) ensure reliable performance in harsh automotive environments.
Industrial Control Systems: This TVS diode is ideal for use in industrial control systems, where it can protect PLCs, motor drives, and other sensitive equipment from voltage surges and ESD. Its 600W peak pulse power dissipation and compact SMB package make it a reliable and space-efficient solution for ensuring the stability and durability of industrial automation systems.
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