Allicdata Part #: | 1.5SMC91AHR7G-ND |
Manufacturer Part#: |
1.5SMC91AHR7G |
Price: | $ 0.15 |
Product Category: | Circuit Protection |
Manufacturer: | Taiwan Semiconductor Corporation |
Short Description: | TVS DIODE 77.8V 125V DO214AB |
More Detail: | N/A |
DataSheet: | 1.5SMC91AHR7G Datasheet/PDF |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
1700 +: | $ 0.13158 |
Specifications
Voltage - Clamping (Max) @ Ipp: | 125V |
Supplier Device Package: | DO-214AB (SMC) |
Package / Case: | DO-214AB, SMC |
Mounting Type: | Surface Mount |
Operating Temperature: | -55°C ~ 150°C (TJ) |
Capacitance @ Frequency: | -- |
Applications: | Automotive |
Power Line Protection: | No |
Power - Peak Pulse: | 1500W (1.5kW) |
Current - Peak Pulse (10/1000µs): | 12.6A |
Series: | Automotive, AEC-Q101, 1.5SMC |
Voltage - Breakdown (Min): | 86.5V |
Voltage - Reverse Standoff (Typ): | 77.8V |
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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TVS - Diodes
Transient Voltage Suppressors (TVSs) are a type of diode specifically designed to help protect vulnerable electronic devices from voltage surges. The 1.5SMC91AHR7G is a unidirectional TVS diode suited for protecting a system from initial voltage transients or electrical noise. It offers excellent protection from very low level transients, operates at very low leakage current and clamps directly to the power supply pins without the need for extra snubber networks or protection components.Application Field
TVS-diodes are extremely fast devices with a switching time from tens of nanoseconds up to few microseconds. This makes them ideal for protecting sensitive electronic equipment such as computers, copiers, communications equipment, and medical instruments from transients such as electrostatic discharge (ESD), electrical fast transients (EFT), and surges. The 1.5SMC91AHR7G TVS-diode is especially suited for this purpose.Working Principle
When an over-voltage transient occurs, the 1.5SMC91AHR7G TVS-diode is designed to react instantly by conducting current away from the protected circuit. This quickly shunts the transient current to ground, thus protecting the sensitive components from any damage. The 1.5SMC91AHR7G TVS-diode offers a low operating voltage, making it ideal for regulating the voltage across operations. It works in the reverse direction, which means it conducts current away from the protected circuit when a voltage surge or transient occurs.Benefits
Some of the benefits of using 1.5SMC91AHR7G TVS-diodes include:- Protection from voltage transients
- Regulates voltage across operations
- Very low operating voltage
- Reliability and ease of use
- Compact design and low cost
- High reliability even under difficult conditions
Limitations
TVS-diodes are not suitable for all applications, as their performance can be affected by temperature and external factors. In addition, they can be susceptible to induced noise in high EMI environments and can cause unwanted and unexpected circuit malfunctioning. Measures should be taken to ensure that the TVS-diode is properly shielded and insulated to prevent this.Conclusion
The 1.5SMC91AHR7G TVS-diode is a unidirectional device designed to provide transient over-voltage protection for electronic components. It is a fast-acting device that helps protect sensitive components from electrostatic discharge (ESD), electrical fast transients (EFT), and surges. Its low voltage operation, compact design, and low cost make it an attractive choice for a variety of applications. However, its use should be accompanied by measures to ensure that it is properly shielded and insulated, as it can be susceptible to induced noise in high EMI environments.The specific data is subject to PDF, and the above content is for reference
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