| Allicdata Part #: | 1.5SMC20AT3-ND |
| Manufacturer Part#: |
1.5SMC20AT3 |
| Price: | $ 0.00 |
| Product Category: | Circuit Protection |
| Manufacturer: | ON Semiconductor |
| Short Description: | TVS DIODE 17.1V 27.7V SMC |
| More Detail: | N/A |
| DataSheet: |  1.5SMC20AT3 Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
| 1 +: | 0.00000 |
Specifications
| Current - Peak Pulse (10/1000µs): | 54A |
| Base Part Number: | 1.5SMC |
| Supplier Device Package: | SMC |
| Package / Case: | DO-214AB, SMC |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -65°C ~ 150°C (TJ) |
| Capacitance @ Frequency: | -- |
| Applications: | General Purpose |
| Power Line Protection: | No |
| Power - Peak Pulse: | 1500W (1.5kW) |
| Series: | -- |
| Voltage - Clamping (Max) @ Ipp: | 27.7V |
| Voltage - Breakdown (Min): | 19V |
| Voltage - Reverse Standoff (Typ): | 17.1V |
| Unidirectional Channels: | 1 |
| Type: | Zener |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Obsolete |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Tape & Reel (TR) |
Description
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1.5SMC20AT3 is a TVS Diodes designed for transient suppression at 20V standoff voltage with the maximum peak pulse current of 1.5A. Generally, it is used to absorb transients and protect delicate electrical components from over-voltage transients caused by inductive loads. This article provides the application field and working principle of 1.5SMC20AT3.
Application field:
1.5SMC20AT3 TVS Diode is an ultra-low capacitance surge protection device (SPD) which is ideal for applications including USB2.0, IEC61000-4-2, IEC61347-2-13 and Firewire. It is designed to protect against fast transients by absorbing transients in printed circuit board, power supply and communication line.
Working Principle:
The working principle of 1.5SMC20AT3 TVS Diode is based on a series of co-coordinated steps. Firstly, it provides a high impedance path when a transient is applied to the protected circuit. Secondly, the diode will conduct current and absorb the energy from the transient. Thirdly, it will dissipate the energy as heat and protect the circuit from damage.
During operation, 1.5SMC20AT3 TVS diode has two critical characteristics: peak pulse power (PPP) and clamping voltage. The peak pulse power (PPP) of the TVS diode is measured as the total energy dissipated by the diode during operation. It is expressed in watts. The clamping voltage is the voltage of the diode that is applied across the device to stop the conduction of the current after the peak pulse power (PPP) is dissipated.
To summarise, 1.5SMC20AT3 is a low capacitance surge protection device (SPD) designed to protect against fast transients by absorbing transients in printed circuit board, power supply and communication line. Its working principle is based on a series of co-coordinated steps such as providing a high impedance path during transients, conducting current, dissipating energy as heat and providing clamping voltage after peak pulse power (PPP) for protection.
The specific data is subject to PDF, and the above content is for reference
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