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1.5KE440CA
+BOMTVS, 376V, 1500W Bi
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ManufacturerDiotec Semiconductor
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Mfr. Part #1.5KE440CA
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Datasheet 1.5KE440CA DataSheet
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Package DO-201
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In Stock3058
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR) |
| ProductStatus | Active |
| Type | Zener |
| BidirectionalChannels | 1 |
| Voltage-ReverseStandoff(Typ) | 376V |
| Voltage-Breakdown(Min) | 418V |
| Voltage-Clamping(Max)@Ipp | 602V |
| Current-PeakPulse(10/1000µs) | 2.6A |
| Power-PeakPulse | 1500W (1.5kW) |
| PowerLineProtection | No |
| Applications | General Purpose |
| OperatingTemperature | -50°C ~ 175°C (TJ) |
| MountingType | Through Hole |
| Package/Case | Axial |
Overview
Description
The "440" in its name indicates its breakdown voltage, which is approximately 440 volts. The "CA" suffix denotes that it is a bidirectional device, meaning it can protect against both positive and negative voltage surges. TVS diodes like the 1.5KE440CA are essential in ensuring the longevity and reliability of electronic circuits by clamping excess voltage and dissipating it safely.
The device can handle a peak pulse power of 1500 watts (1.5 kilowatts) under standard conditions, making it suitable for use in a wide range of applications, including telecommunications, power supplies, and consumer electronics. Proper implementation of the 1.5KE440CA can significantly reduce the risk of damage to connected components, enhancing overall system stability.
Equivalent
1. Littelfuse 1.5KE440CA
2. Bourns SMAJ440CA
3. ON Semiconductor 1.5KE440CA
4. Diodes Incorporated P6KE440CA
5. Vishay 1.5KE440CA
These components are designed to protect electronic circuits from voltage spikes and are typically interchangeable, provided they meet the same electrical and mechanical specifications. Always double-check the datasheets for compatibility.
Features
1. Peak Pulse Power: It can handle peak pulse power dissipation of 1500 Watts for a 10/1000 μs waveform, providing robust surge protection.
2. Breakdown Voltage: It has a breakdown voltage of approximately 440V, which is the voltage at which the diode begins to conduct in reverse and starts providing protection.
3. Clamping Voltage: The clamping voltage is the maximum voltage the diode will allow across the protected load. For the 1.5KE440CA, this value is significantly higher than the breakdown voltage, ensuring effective suppression of voltage spikes.
4. Bidirectional Protection: The "CA" in its name indicates that it offers bidirectional protection, meaning it can clamp voltage transients of both polarities.
5. Low Leakage Current: It typically exhibits low leakage current when operating below the breakdown voltage, minimizing power loss during normal operation.
6. DO-201 Package: This diode is packaged in a DO-201 axial package, suitable for through-hole mounting.
Overall, the 1.5KE440CA is ideal for safeguarding sensitive electronics in power supplies, telecommunications, and other high-voltage applications.
Pinout
- Pin Count: The 1.5KE440CA typically comes in a DO-201 package, which has two leads/pins. These are the anode and cathode for the bidirectional operation.
- Function: The main function of this TVS diode is to clamp overvoltage transients, protecting circuits from voltage spikes. Being a bidirectional device (indicated by the "CA" suffix), it can respond to both positive and negative voltage transients, making it suitable for AC and DC applications.
- Voltage Rating: The breakdown voltage is nominally 440V, with a peak pulse power capability of 1500W, designed to clamp voltage transients to protect downstream components.
Overall, the 1.5KE440CA is crucial for safeguarding electronic circuits against voltage surges and transient events.
Manufacturer
Littelfuse is a company that specializes in circuit protection, power control, and sensing technologies. ON Semiconductor, now known as onsemi, focuses on intelligent power and sensing technologies. Vishay Intertechnology manufactures a broad range of discrete semiconductors and passive electronic components. Bourns is known for its electronic components such as sensors, circuit protection, and controls.
These companies play crucial roles in the electronics industry, providing components that are essential for the functionality and protection of electronic circuits in a wide array of applications, including automotive, industrial, consumer electronics, and telecommunications. Transient voltage suppression diodes like the 1.5KE440CA are specifically used to protect sensitive electronic equipment from voltage spikes and surges.
Application
1. Telecommunications: Protecting communication lines from lightning strikes and electrical surges.
2. Industrial Equipment: Safeguarding industrial control systems and machinery.
3. Consumer Electronics: Shielding devices like TVs, computers, and gaming consoles from power surges.
4. Automotive Electronics: Protecting onboard electronics from voltage transients in vehicles.
5. Power Supplies: Ensuring stability and protection for power supply circuits.
These applications leverage the diode’s ability to absorb high-energy transients and clamping excessive voltage to safe levels.