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Bourns 1-Element Uni-Directional TVS Diode 400W 2-Pin SOD-123 SMF4L9.0A-Q
Specifications
| Country of Origin | India |
|---|---|
| Brand | Bourns |
| Height | 0.22mm |
| Length | 0.27mm |
| Model | SMF4L9.0A-Q |
| Width | 0.25mm |
| Mount Type | Surface |
| Series | SMF |
| Maximum Operating Temperature | 150°C |
| Package Type | SOD-123 |
| Minimum Operating Temperature | -55°C |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Clamping Voltage VC | 9V |
| Automotive Standard | AEC-Q101 |
| Diode Configuration | Single |
| Direction Type | Uni-Directional |
| Minimum Breakdown Voltage Vbr | 11.1V |
| Maximum Reverse Stand-off Voltage Vwm | 85V |
| Peak Pulse Power Dissipation Pppm | 400W |
| Test Current It | 1mA |
| Maximum Reverse Leakage Current | 1μA |
| Standoff Voltage | 5 to 85 volts |
Key Features
- This diode features a single-element uni-directional configuration.
- It has a peak pulse power dissipation of 400 watts to handle transient voltage spikes.
- The diode is housed in a compact surface-mount SOD-123 package suitable for high-density PCB designs.
- The maximum reverse stand-off voltage is 85 V, with a minimum breakdown voltage of 11.1 V.
- Clamping voltage is rated at 9 V to effectively suppress voltage surges.
- Operating temperature ranges from -55°C to 150°C for robust performance under harsh conditions.
- The device offers electrostatic discharge (ESD) protection and complies with automotive standard AEC-Q101.
- The maximum reverse leakage current is 1 microampere ensuring low leakage losses.
Product Description
Bourns SMF4L9.0A-Q is a high-performance 1-element uni-directional Transient Voltage Suppressor (TVS) diode designed to provide reliable surge and ESD protection in electronic circuitry. This device supports a peak pulse power dissipation of 400 W and is packaged in a compact 2-pin SOD-123 surface-mount format suitable for automated PCB assembly and tight space constraints.
The diode features a minimum breakdown voltage of 11.1 V and a maximum reverse stand-off voltage of 85 V, with a clamping voltage of 9 V, making it highly effective at suppressing transient overvoltages. It operates safely across a wide temperature range of -55°C to 150°C, ensuring durability and stability in demanding industrial and automotive environments. The device also complies with the automotive standard AEC-Q101, confirming its suitability for vehicle electronic systems.
Its small physical footprint with dimensions of 0.27 mm length, 0.25 mm width, and 0.22 mm height supports compact, high-density PCB layouts. The device’s minimal maximum reverse leakage current of 1 microampere ensures energy efficiency by reducing leakage losses. The Bourns SMF4L9.0A-Q provides rapid response to voltage spikes, protecting sensitive components in a variety of applications including power supplies, communication systems, automotive electronics, and industrial control equipment.
This TVS diode offers robust and rapid protection against transient voltage surges. The uni-directional configuration ensures controlled voltage suppression in a specific polarity. Surface mountability enables integration into automated manufacturing lines.
Wide operating temperature range supports performance in diverse application environments. Compliance with AEC-Q101 endorses reliability for automotive applications. Compact dimensions facilitate space-saving PCB designs.
Low leakage current improves energy efficiency in circuits. High pulse power capacity provides strong surge protection capability.
These characteristics make the SMF4L9.0A-Q TVS diode a dependable choice for protecting electronic components from voltage transients in industrial, automotive, consumer electronics, telecommunications, and other sectors. For related TVS Diode products and additional specifications, browse the EnvMart electronics categories.
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Frequently Asked Questions
It has a peak pulse power dissipation of 400 watts, allowing it to handle transient voltage spikes effectively.
The minimum breakdown voltage is 11.1 V, ensuring it activates at the right voltage level to protect components.
This model has dimensions of 0.27 mm in length, 0.25 mm in width, and 0.22 mm in height, making it suitable for compact PCB designs.
The clamping voltage is rated at 9 V, which effectively suppresses voltage surges during transient events.
It operates within a temperature range of -55°C to 150°C, allowing for robust performance in various environments.
This unit supports surface mounting, which is ideal for automated PCB assembly and space-constrained applications.
It complies with the automotive standard AEC-Q101, confirming its suitability for automotive electronic systems.
This model features a single-element configuration, designed for uni-directional voltage suppression.
It is suitable for applications in power supplies, communication systems, automotive electronics, and industrial control equipment.
The test current is specified at 1 mA, which is used for evaluating its performance under standard conditions.
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