SMBJ15CAHE3/5B this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including SMBJ15CAHE3/5B price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for SMBJ15CAHE3/5B to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.
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Key Features and Parameters:
- Voltage Rating: The "15" in SMBJ15CAHE3/5B indicates that it has a standoff voltage of 15 volts.
- Power Dissipation: It can handle transient power dissipation of up to 600 watts (for an 8/20 μs waveform).
- Low Clamping Voltage: Provides effective protection by clamping transient voltages to a safe level.
- Fast Response Time: Responds quickly to transient voltage spikes, limiting potential damage to sensitive components.
- Bidirectional: Offers protection in both forward and reverse directions.
- SMB Package: Surface-mount package for easy integration onto PCBs.
- RoHS Compliant: Environmentally friendly and lead-free.
Application Scenario: ESD Protection for a USB Port:
Circuit Description:
In this scenario, we will design a circuit using the SMBJ15CAHE3/5B to provide ESD protection for a USB port. USB ports are common entry points for ESD events, so protecting them is crucial.
Components Needed:
- SMBJ15CAHE3/5B TVS diode
- USB Connector
- Resistors (optional)
- Ground connection
Circuit Design:
1. SMBJ15CAHE3/5B Connection: Connect the SMBJ15CAHE3/5B diode between the data lines (D+ and D-) of the USB connector. This will protect against voltage spikes coming in through these lines.
2. Ground Connection: Connect the cathode (the side with a stripe on the SMBJ15CAHE3/5B) of the TVS diode to the ground (GND) of the USB connector. This provides a reference point for the diode's clamping action.
3. Optional Resistors (if needed): Depending on the specific application and ESD requirements, you may place resistors in series with the USB data lines before connecting them to the TVS diode. These resistors can help control the transient current during an ESD event.
4. Power Supply Connection (if applicable): Connect the anode of the SMBJ15CAHE3/5B TVS diode to the USB's power supply line (Vbus) if the USB port is powered. This protects against voltage surges on the power line.
Considerations:
1. Diode Orientation: Ensure the correct orientation of the SMBJ15CAHE3/5B diode. The cathode should connect to the ground, and the anode to the signal or power lines.
2. ESD Ratings: Ensure that the TVS diode you select meets the required ESD rating for your application. The SMBJ15CAHE3/5B is suitable for most USB ESD protection needs.
3. Layout and PCB Design: Consider proper layout and PCB design practices to minimize parasitic inductance and ensure effective ESD protection.
4. Signal Integrity: Check the impact of the TVS diode on signal integrity and data transmission rates, especially in high-speed USB applications.
In summary, the SMBJ15CAHE3/5B TVS diode is a critical component in protecting sensitive electronics from ESD events, such as those encountered in USB ports. Proper circuit design, component selection, and layout considerations are essential to ensure reliable ESD protection without compromising signal integrity.
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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of SMBJ15CAHE3/5B.
(3)The PartNo is unused and only in the original unpacked packaging.
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(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
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