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SMAJ400CA
+BOMTVS DIODE 400W 400V 548V BI SMA
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ManufacturerRectron USA
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Mfr. Part #SMAJ400CA
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Datasheet SMAJ400CA DataSheet
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Package DO-214AC
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In Stock5225
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Specifications
| Attribute | Value |
| 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 |
Overview
Description
- 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
- 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
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
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.
