SMAJ400CA

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SMAJ400CA

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TVS DIODE 400W 400V 548V BI SMA

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Thông số kỹ thuật

thuộc tính Giá trị
Package / Case Tape & Reel (TR)
Series SMAJ
Part Status Active
Type Zener
Bidirectional Channels 1
Power - Peak Pulse 400W
Applications General Purpose
Operating Temperature -55°C ~ 150°C (TJ)
Mounting Type Surface Mount

Tổng quan

Description

The SMAJ400CA is a 400W transient voltage suppressor (TVS) diode designed to protect sensitive electronics from voltage spikes and transients. Key features include:
- Bidirectional protection: Safeguards against both positive and negative voltage surges.
- Peak pulse power: 400W (8/20µs waveform).
- Breakdown voltage: ~44.4V (min) to ~49.2V (max).
- Low clamping voltage: Limits excessive voltage to safe levels.
- Fast response time: Reacts in nanoseconds to transient events.
Commonly used in telecom, automotive, and industrial applications, the SMAJ400CA (in DO-214AC/SMA package) ensures robust ESD, lightning, and surge protection. It complies with AEC-Q101 for automotive reliability.
For detailed specs, refer to the datasheet from manufacturers like Littelfuse, Vishay, or STMicroelectronics.

Equivalent

Equivalent products to the SMAJ400CA (400V TVS diode) include:
- SMAJ400A (Unidirectional)
- P6SMB400CA (Higher power)
- 1.5SMC400CA (Larger package)
- SMBJ400CA (Similar specs, SMB package)
- ESD9L400CA (ESD protection variant)
Check datasheets for exact compatibility in voltage, power, and package.

Manufacturer

The SMAJ400CA is a transient voltage suppressor (TVS) diode manufactured by Littelfuse, a leading global company specializing in circuit protection, power control, and sensing technologies.
Littelfuse is a well-established American electronics manufacturer founded in 1927, known for its high-quality components used in automotive, industrial, and consumer electronics. The company provides solutions for overvoltage protection, including TVS diodes like the SMAJ400CA, which safeguard circuits from voltage spikes.
Littelfuse is recognized for innovation, reliability, and compliance with industry standards, serving diverse markets worldwide.

Application

The SMAJ400CA is a 400V TVS diode used for transient voltage suppression in various applications:
1. Electronics Protection – Safeguards sensitive circuits from voltage spikes in power lines, data lines, and I/O ports.
2. Telecommunications – Protects communication equipment (routers, modems) from surges.
3. Automotive Systems – Shields ECUs, sensors, and infotainment systems from transients.
4. Industrial Equipment – Guards PLCs, motor drives, and control systems against electrical noise.
5. Consumer Electronics – Used in power supplies, USB ports, and HDMI interfaces.
Its bidirectional design makes it suitable for AC/DC circuits, ensuring robust surge protection.

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