| Allicdata Part #: | SMBJ4742E3/TR13-ND |
| Manufacturer Part#: |
SMBJ4742E3/TR13 |
| Price: | $ 0.25 |
| Product Category: | Discrete Semiconductor Products |
| Manufacturer: | Microsemi Corporation |
| Short Description: | DIODE ZENER 12V 2W SMBJ |
| More Detail: | Zener Diode 12V 2W ±10% Surface Mount SMBJ (DO-214... |
| DataSheet: |  SMBJ4742E3/TR13 Datasheet/PDF |
| Quantity: | 1000 |
| 3000 +: | $ 0.22061 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Voltage - Zener (Nom) (Vz): | 12V |
| Tolerance: | ±10% |
| Power - Max: | 2W |
| Impedance (Max) (Zzt): | 9 Ohms |
| Current - Reverse Leakage @ Vr: | 5µA @ 9.1V |
| 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: | SMBJ4742 |
Description
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The SMBJ4742E3/TR13 Zener diode is designed for efficient electromagnetic interference (EMI) filtering in communication and power technology. This component is a low-cost, low-capacitance, low-leakage component that can handle high voltage and current loads. It is a one-piece component with a glass-filled plastic case that is small-signal compatible and has low forward bias. The component is fitted with electrical fixtures, such as lead frames and ceramic modules, which are designed to improve signal integrity and reliability.The working principle of this component is based on the Zener effect. The Zener effect occurs when a current passes through a diode with a reverse-biased junction. As the current passes through the junction, a strong electric field is created. This electric field causes electrons in the junction to be pulled away from their original energy level and increase in "angular momentum". As a result, the energy level of the junction increases and the electrical charge of the semiconductor is greater than the bandgap voltage of the diode, creating a "Zener diode". In a Zener diode, the function of the breakdown voltage is to regulate the maximum voltage between anode and cathode. When the applied voltage is lower than the specified breakdown voltage, the voltage drop across the diode is almost zero, thus blocking the current. On the other hand, when the applied voltage is higher than the breakdown voltage, the current will start to flow and the diode\'s voltage drop will increase exponentially. This is known as "Zener breakdown". The Zener breakdown phenomenon starts to dominate the diode\'s behavior when the applied voltage reaches the breakdown voltage and all further increase in voltage will cause the current to increase exponentially. The SMBJ4742E3/TR13 Zener diode is specifically designed to reduce noise on power supplies and other communication lines. It can also be used in low-frequency noise filtering applications. This diode can also provide ESD protection, preventing damages to equipment caused by electrostatic discharges.The SMBJ4742E3/TR13 Zener diode has a maximum reverse working voltage of 500V and a maximum power dissipation of 500mW. It features an ultra-low capacitance of 0.25pF and an ultra-low leakage current of 1.0µA (zero volts). Furthermore, it has a two-wire, surface mount package that is designed for easy installation.The SMBJ4742E3/TR13 Zener diode is suitable for use in a wide range of applications, such as power supply lines, DC-DC converters, signal lines, signal integrity, and audio amplifiers. It can provide efficient EMI filtering in communication and power technology and can be used to reduce noise on power supplies and other communication lines. Furthermore, it can be used in low-frequency noise filtering applications and can provide ESD protection in order to prevent damages to equipment caused by electrostatic discharges.In conclusion, the SMBJ4742E3/TR13 Zener diode is a reliable component that utilizes the Zener effect to provide efficient EMI filtering in communication and power technology. It can handle large voltage and current loads and can be used in a wide variety of applications.
The specific data is subject to PDF, and the above content is for reference
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