![SMAJ45CA-13-F Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
Allicdata Part #: | SMAJ45CA-FDITR-ND |
Manufacturer Part#: |
SMAJ45CA-13-F |
Price: | $ 0.06 |
Product Category: | Circuit Protection |
Manufacturer: | Diodes Incorporated |
Short Description: | TVS DIODE 45V 72.7V SMA |
More Detail: | N/A |
DataSheet: | ![]() |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Contains lead / RoHS Compliant |
5000 +: | $ 0.05891 |
10000 +: | $ 0.05371 |
25000 +: | $ 0.05024 |
50000 +: | $ 0.04505 |
Current - Peak Pulse (10/1000µs): | 5.5A |
Base Part Number: | SMAJ45 |
Supplier Device Package: | SMA |
Package / Case: | DO-214AC, SMA |
Mounting Type: | Surface Mount |
Operating Temperature: | -55°C ~ 150°C (TJ) |
Capacitance @ Frequency: | -- |
Applications: | General Purpose |
Power Line Protection: | No |
Power - Peak Pulse: | 400W |
Series: | -- |
Voltage - Clamping (Max) @ Ipp: | 72.7V |
Voltage - Breakdown (Min): | 50V |
Voltage - Reverse Standoff (Typ): | 45V |
Bidirectional Channels: | 1 |
Type: | Zener |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
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TVS diodes, or transient voltage suppression diodes, are components designed to provide protection to delicate circuits from voltage spikes or any other kind of transient overvoltage events. The SMAJ45CA-13-F is a particular type of TVS diode, which is used in many different application fields. The purpose and working principle of this device will be explained in this article.
The SMAJ45CA-13-F is a unidirectional, bidirectional, or multidirectional device, depending on the particular application in question. It is equipped with a built-in ESD (Electrostatic Sensitivity) diode, which helps protect the user from static electricity shocks, and it is rated for an operating voltage of 13V with a maximum guaranteed current of 450 mA. The typical leakage current of this device is 25 nA, with a maximum switching current of 3 A.
Generally, the SMAJ45CA-13-F is used in automotive, industrial, and consumer electronics projects. In automotive applications, it can for example be used to provide overvoltage protection for vehicle signals and current sensors. In industrial applications, it can be used for primary and secondary power supply transient protection. In consumer electronics, it can be used for protection against high-voltage transients in cordless phones, notebooks, and digital cameras. In all these cases the TVS diode helps prevent damage to the circuit due to power surges and spikes.
The working principle of the SMAJ45CA-13-F is not very complicated. In normal, steady-state conditions, the diode appears as an open circuit, meaning that no current can flow through it. However, in the case of an overvoltage event, the device starts to conduct current, thereby diverting the excess energy away from the circuit, thus protecting it. The conductive state is short-lived, however; once the transient voltage subsides, the device automatically returns to its open-circuit state.
The SMAJ45CA-13-F is a very useful device, as it provides reliable protection for many different circuits from overvoltage damage. It is typically used in automotive, industrial, and consumer electronics applications, and can be can be equipped with an ESD diode for added protection from static electricity. Its working principle is simple and effective: in normal conditions, the device appears as an open circuit; however, in the presence of an overvoltage event, it can conduct current, thereby diverting the excess energy away from the circuit and protecting it from damage.
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