SMF7.0A Circuit Protection |
|
| Allicdata Part #: | F5751TR-ND |
| Manufacturer Part#: |
SMF7.0A |
| Price: | $ 0.08 |
| Product Category: | Circuit Protection |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | TVS DIODE 7V 12V SOD123F |
| More Detail: | N/A |
| DataSheet: |  SMF7.0A Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 3000 +: | $ 0.07426 |
Specifications
| Voltage - Clamping (Max) @ Ipp: | 12V |
| 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): | 16.7A |
| Series: | SMF |
| Voltage - Breakdown (Min): | 7.78V |
| Voltage - Reverse Standoff (Typ): | 7V |
| 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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SMF7.0A is a Transient Voltage Suppression (TVS) diode designed to protect sensitive electronic equipment from damage due to electrostatic discharge (ESD) and other transient overvoltage conditions. They are particularly useful in portable and handheld electronic devices, where they provide the additional protection against ESD needed to protect the delicate semiconductor components used in these devices.
SMF7.0A consists of an array of three separate diodes. Each diode has a different breakdown voltage rating (6.8V, 7.0V, 7.2V). The three diodes are connected such that the device can handle a wide range of peak pulse voltages from 6.8V to 7.2V. For any given input voltage, the device will be triggered when the input voltage reaches the breakdown voltage of the lowest breakdown diode voltage rating.
The working principle of SMF7.0A is based on a voltage-dependent breakdown mechanism, which causes the diodes to conduct when a certain voltage is reached. When the voltage is higher than the breakdown voltage, the diodes will become resistive and the current will be limited to a safe level. The TVS diode has a very fast response time, meaning that the device can quickly and effectively clamp the voltage to prevent damage to the equipment.
The typical applications of SMF7.0A may include portable electronic equipment, such as cell phones, PDAs, and laptops; consumer electronics, such as computers, printers, and displays; industrial electronics, such as circuit boards and power supplies; and automotive electronics, such as digital dashboards and airbag systems.
When using SMF7.0A, it is important to note that the device is designed for unidirectional ESD protection only. This means that the device will only protect components against electrostatic shocks when the device is connected in series with the component being protected. The device should be connected in the line to the component, and the ground should be connected to the ground pin to ensure proper operation. In addition, the device should be placed close to the component being protected to ensure that the device can clamp the voltage quickly.
In summary, SMF7.0A is a TVS diode designed to provide superior protection against ESD and other transient overvoltage conditions. It consists of three separate diodes with different breakdown voltage ratings, and the device is triggered when the input voltage reaches the breakdown voltage of the lowest breakdown rating diode. The working principle of the device is based on a voltage-dependent breakdown mechanism and the device has a very fast response time. It is typically used in portable and handheld electronic devices, consumer electronics, industrial electronics, and automotive electronics.
The specific data is subject to PDF, and the above content is for reference
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