| Allicdata Part #: | SMBJ4751A/TR13-ND |
| Manufacturer Part#: |
SMBJ4751A/TR13 |
| Price: | $ 0.48 |
| Product Category: | Discrete Semiconductor Products |
| Manufacturer: | Microsemi Corporation |
| Short Description: | DIODE ZENER 30V 2W SMBJ |
| More Detail: | Zener Diode 30V 2W ±5% Surface Mount SMBJ (DO-214A... |
| DataSheet: |  SMBJ4751A/TR13 Datasheet/PDF |
| Quantity: | 1000 |
| 3000 +: | $ 0.43527 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Voltage - Zener (Nom) (Vz): | 30V |
| Tolerance: | ±5% |
| Power - Max: | 2W |
| Impedance (Max) (Zzt): | 40 Ohms |
| Current - Reverse Leakage @ Vr: | 5µA @ 22.8V |
| Voltage - Forward (Vf) (Max) @ If: | 1.2V @ 200mA |
| Operating Temperature: | -65°C ~ 150°C |
| Mounting Type: | Surface Mount |
| Package / Case: | DO-214AA, SMB |
| Supplier Device Package: | SMBJ (DO-214AA) |
| Base Part Number: | SMBJ4751 |
Description
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SMBJ4751A/TR13 is a type of single Zener diode. It is uni-directional and has an average voltage of 24.5 V and a maximum clamping voltage of 40 V. It is mainly used to protect delicate components, devices and circuits from any damaging effects due to transient voltages and signals.
Function of SMBJ4751A/TR13
The primary function of SMBJ4751A/TR13 is to act as a voltage clamp or stabilizer. This Zener diode allows only the positive terminal of the power supply to have direct contact with the load, protecting it from any unnecessary voltage, current and power fluctuations. The diode has a role in dissipating any sudden surge of power that may damage the load.Application of SMBJ4751A/TR13
SMBJ4751A/TR13 is typically used in mobile phones, mobile phone accessories, personal digital assistants (PDAs), personal electronic devices (PEDs), modems, routers, power supplies, amplifiers and DC-DC converters. It can also be employed in situations where the input voltage needs to be clamped down in order to meet the specific requirements of the load. Its rapid response time and low switching times make it ideal for use in high-speed switching applications.Working Principle of SMBJ4751A/TR13
The working principle of SMBJ4751A/TR13 is quite simple. When the voltage across the load exceeds its maximum value, the Zener diode turns on and grounds the load, thus limiting the flow of current to the load. When the voltage is below its maximum value, the diode remains off, allowing current to flow to the load. The maximum rated clamping voltage of SMBJ4751A/TR13 is 40 V and its average voltage is 24.5 V. This ensures that the current is effectively limited even during sharp voltage spikes.Advantage of SMBJ4751A/TR13
The chief advantages of SMBJ4751A/TR13 are its small physical size, low cost and high efficiency. It is also easy to use owing to its simple working principle. Additionally, the diode is relatively free from leakage currents, making it suitable for use in high-impedance circuits.Conclusion
SMBJ4751A/TR13 is a low-cost, one-directional Zener diode which is ideal for many electronic applications such as mobile phones, PDAs and PEDs. It is used to protect electronic components from voltage and current fluctuations by clamping the voltage to a specified value. Its compact size, high efficiency and low leakage current make it an effective and reliable solution for many electronic applications.The specific data is subject to PDF, and the above content is for reference
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