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Littelfuse 2-Element Bi-Directional TVS Diode Array, 400 W, 3-Pin SOT-23 SM15-02HTG
Specifications
| Country of Origin | Thailand |
|---|---|
| Brand | Littelfuse |
| Height | 3.04mm |
| Length | 3.04mm |
| Model | SM15-02HTG |
| Width | 1.4mm |
| Mount Type | Surface |
| Series | SM |
| Maximum Operating Temperature | 125°C |
| Package Type | SOT-23 |
| Minimum Operating Temperature | -40°C |
| Pin Count | 3 |
| Number of Elements per Chip | 2 |
| Clamping Voltage VC | 30V |
| Automotive Standard | AEC-Q101 |
| Diode Configuration | Dual |
| Direction Type | Bi-Directional |
| Minimum Breakdown Voltage Vbr | 16.7V |
| Maximum Reverse Stand-off Voltage Vwm | 15V |
| Peak Pulse Power Dissipation Pppm | 400W |
| Maximum Peak Pulse Current Ippm | 12A |
| Maximum Reverse Leakage Current | 1μA |
Key Features
- Dual diode configuration ensures bi-directional ESD protection.
- Peak pulse power dissipation of 400 W at 8/20μs waveform.
- Surface mount SOT-23 package with a compact 3.04 mm length and width.
- Operating temperature range from -40°C to 125°C for harsh environments.
- Low clamping voltage of 30 V prevents damage to sensitive electronics.
- Automotive grade AEC-Q101 certified for high reliability.
- Maximum peak pulse current rating of 12 A supports high surge currents.
- Very low dynamic resistance improves surge handling capability.
Product Description
Littelfuse SM15-02HTG 2-element bi-directional TVS diode array delivers 400 W peak pulse power dissipation in a 3-pin SOT-23 surface mount package, protecting sensitive electronic devices from ESD, electrical fast transients, and lightning-induced surges.
This TVS diode array features a dual diode configuration providing bi-directional protection, ideal for ports such as RS-232, RS-485, and DC power lines. The low clamping voltage of 30 V ensures that connected components are safeguarded against voltage spikes without performance degradation.
With a wide operating temperature range from -40°C to 125°C, this device is suitable for industrial, automotive, medical, and communications applications. The diode array meets AEC-Q101 automotive standards, highlighting its robustness and reliability in hostile environments.
The device boasts very low dynamic resistance (RDYN of 0.30 Ω for the SM15 series) to reduce voltage drop during surge events, enhancing device safety margin. Its compact SOT-23 package measures 3.04 mm by 1.4 mm, perfectly suited for space-constrained PCB designs.
Typical use cases include protection of industrial equipment, medical devices, test and measurement instruments, point-of-sale terminals, motor controls, security and alarm systems, and microprocessor inputs.
The device is RoHS compliant and manufactured in Thailand, ensuring environmentally conscious production and quality assurance. Dual diode bi-directional configuration provides comprehensive surge protection. 400 W peak pulse power capability for transient voltage suppression.
Compact 3-pin SOT-23 surface mount package. Wide operating temperature range from -40°C to 125°C. AEC-Q101 automotive industry standard compliance. Low clamping voltage of 30 V to protect sensitive circuitry. High surge current capability of 12 A peak pulse current.
Very low dynamic resistance enhances surge performance. Suitable for industrial, automotive, medical, and communication device protection. Manufactured in Thailand with strict quality controls. Explore the Littelfuse TVS Diode Array range on EnvMart for reliable and high-performance surge protection solutions tailored to your industrial and electronic applications.
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Frequently Asked Questions
The Littelfuse SM15-02HTG has a peak pulse power dissipation of 400 W at an 8/20μs waveform.
This model features a low clamping voltage of 30 V, which helps protect sensitive electronic components from voltage spikes.
The operating temperature range for the SM15-02HTG is from -40°C to 125°C, making it suitable for harsh environments.
It has a maximum peak pulse current rating of 12 A, allowing it to support high surge currents effectively.
The SOT-23 package measures 3.04 mm in length, 1.4 mm in width, and 3.04 mm in height.
This unit is designed for surface mounting, which is suitable for compact PCB designs.
The SM15-02HTG is AEC-Q101 certified, indicating its compliance with automotive industry standards for high reliability.
This chip features a dual diode configuration, consisting of 2 elements per chip for bi-directional protection.
The maximum reverse stand-off voltage for this model is 15 V, ensuring safe operation under specified conditions.
This diode array is suitable for protecting industrial equipment, medical devices, test and measurement instruments, and communication devices.
The dynamic resistance (RDYN) of this model is very low, at 0.30 Ω, which enhances its surge handling capability.
The Littelfuse SM15-02HTG is manufactured in Thailand, ensuring quality control and compliance with production standards.
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