| Allicdata Part #: | 1.5KE51ALFTR-ND |
| Manufacturer Part#: |
1.5KE51A |
| Price: | $ 0.18 |
| Product Category: | Circuit Protection |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | TVS DIODE 43.6V 70.1V DO201 |
| More Detail: | N/A |
| DataSheet: |  1.5KE51A Datasheet/PDF |
| Quantity: | 1200 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 1200 +: | $ 0.15969 |
| 2400 +: | $ 0.14559 |
| 6000 +: | $ 0.13621 |
| 12000 +: | $ 0.12681 |
Specifications
| Voltage - Clamping (Max) @ Ipp: | 70.1V |
| Supplier Device Package: | DO-201 |
| Package / Case: | DO-201AA, DO-27, Axial |
| Mounting Type: | Through Hole |
| Operating Temperature: | -55°C ~ 175°C (TJ) |
| Capacitance @ Frequency: | -- |
| Applications: | General Purpose |
| Power Line Protection: | No |
| Power - Peak Pulse: | 1500W (1.5kW) |
| Current - Peak Pulse (10/1000µs): | 21.7A |
| Series: | 1.5KE |
| Voltage - Breakdown (Min): | 48.5V |
| Voltage - Reverse Standoff (Typ): | 43.6V |
| 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 are a type of semiconductor device that provide a variety of protection functions in electrical systems. They are used to protect circuits from voltage spikes or transient overvoltage events, which could otherwise damage components and cause system malfunctions. The 1.5KE51A is an example of a TVS diode device that is commonly used in AC/DC applications. This article will explain the application field and working principle of the 1.5KE51A.
The 1.5KE51A is a uni-directional TVS diode designed to protect AC/DC systems up to 400V. It offers protection against electrostatic discharge (ESD) and electrical fast transients (EFT). The device is especially suitable for use in automotive environments, but it can also be used in consumer electronics, medical, industrial, and military applications. It is rated for power dissipation of up to 500 watts and can handle surge power up to 1.2 kilowatts.
The 1.5KE51A features a robust design capable of absorbing ESD and EFT pulses from transient voltages in the range of 400V. The device is composed of a Zener diode and two junction capacitors coupled in series. The Zener diode is used to absorb the transient voltage peaks, while the two capacitors provide additional absorption. This configuration makes the 1.5KE51A capable of withstanding up to 30A of surge current.
The 1.5KE51A is designed to absorb high-voltage, fast-rising transient overvoltage events, and to protect connected components from suffering damage. When an ESD or EFT pulse strikes the television, the Zener diode will start to conduct, thereby reducing the peak voltage and absorbing the transient current. The two capacitors will absorb the energy released during the transient event. This prevents the transient voltage from damaging any of the components in the circuit.
The 1.5KE51A is an excellent choice for AC/DC applications where a high level of protection from voltage spikes or transient events is required. Its robust design makes it capable of handling both ESD and EFT pulses, and its wide operating voltage range up to 400V makes it suitable for a variety of applications. The Zener diode and coupled capacitors provide additional protection from transient events, allowing the TVS diode to withstand a surge current up to 30A.
In conclusion, the 1.5KE51A is a TVS diode device that provides excellent protection from voltage spikes and transient events. Its wide operating voltage range and surge current capability make it suitable for a variety of AC/DC applications, such as automotive, consumer electronics, medical, industrial, and military. The Zener diode and coupled capacitors absorb transient energies, providing additional protection against voltage spikes. This makes the 1.5KE51A an excellent choice for applications where a high level of protection is required.
The specific data is subject to PDF, and the above content is for reference
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