SMF20A Circuit Protection |
|
| Allicdata Part #: | F5821TR-ND |
| Manufacturer Part#: |
SMF20A |
| Price: | $ 0.00 |
| Product Category: | Circuit Protection |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | TVS DIODE 20V 32.4V SOD123F |
| More Detail: | N/A |
| DataSheet: |  SMF20A Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Specifications
| Voltage - Clamping (Max) @ Ipp: | 32.4V |
| Supplier Device Package: | SOD-123F |
| Package / Case: | SOD-123F |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -55°C ~ 150°C (TJ) |
| Capacitance @ Frequency: | -- |
| Applications: | General Purpose |
| Power Line Protection: | No |
| Power - Peak Pulse: | 200W |
| Current - Peak Pulse (10/1000µs): | 6.2A |
| Series: | SMF |
| Voltage - Breakdown (Min): | 22.2V |
| Voltage - Reverse Standoff (Typ): | 20V |
| Unidirectional Channels: | 1 |
| Type: | Zener |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Tape & Reel (TR) |
Description
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SMF20A transient voltage surge suppression (TVS) diode is a low capacitance surface-mount device that provides both surge suppression and ESD (electrostatic discharge) protection. It is suitable for applications in portable electronic equipment such as cell phones, PDAs, and notebooks, as well as other consumer electronics that use micro-miniature surface mount components.The SMF20A is designed to protect sensitive circuits during high speed transient events. It features a peak pulse current rating of 2A and can safely dissipate up to 12W of power. The device has an operating voltage range of 2.6-5.25V, and provides protection over a voltage range of 2.7V to 5.4V. The SMF20A is a unidirectional device, and does not require external components to operate.The SMF20A diode uses a combination of series and shunt elements in order to provide both energy and current limiting characteristics. The series element provides voltage clamping protection, while the shunt element provides current limiting protection. The voltage clamping action limits the rising voltage to the device’s peak pulse power rating. Once the threshold voltage is exceeded, the current is diverted away from the load by the shunt element, thereby limiting the current flowing through the load.The SMF20A diode is also equipped with a low capacitance structure that helps minimize signal distortion caused by ESD discharges. This structure enables the device to operate over a wide frequency range and ensures that signals transmitted over the line remain clean and free from interference.In addition to its ESD/surge protection capabilities, the SMF20A diode also provides EMI/RFI filtering to reduce conducted and radiated noise, as well as improved immunity from electrical overstresses. The device features an Avalanche Energy Specification (AES) of 12W, which ensures that the diode will withstand higher than normal electrical energy without any permanent damage.The SMF20A diode can be used in a variety of applications such as cell phone base stations, PDAs, notebooks, e-readers, automotive electronics, and a host of other consumer electronics. The device is suitable for use in both high speed and low impedance applications, and its low capacitance structure ensures that signal transmission is not disrupted by ESD discharges and EMI/RFI interference.To summarize, the SMF20A diode is a surface-mount transient voltage surge suppression device that provides both surge protection and ESD protection. The device features a peak pulse current rating of 2A and a voltage range of 2.6-5.25V. Its low capacitance structure enables operation over a wide frequency range, and its AES of 12W ensures its robustness during higher than normal electrical energy events. The SMF20A is suitable for use in cell phones, PDAs, notebooks, e-readers, automotive electronics, and other portable and consumer electronics applications.
The specific data is subject to PDF, and the above content is for reference
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