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SMAJ15CA
+NomenclatureSURFACE MOUNT UNI/BI-DIRECTIONAL
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FabricantHY Electronics (Cayman) Ltd
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Pièce fabricant #SMAJ15CA
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En stock5414
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR) |
| ProductStatus | Active |
Présentation
Description
- Bidirectional clamping: Protects against both positive and negative voltage spikes.
- Peak pulse power: 400W (8/20µs waveform).
- Breakdown voltage: ~16.7V (min).
- Low clamping voltage: Limits voltage to safe levels during surges.
- SMA (DO-214AC) package: Compact and surface-mountable.
Commonly used in power supplies, communication ports, and automotive circuits for transient suppression. It responds rapidly (picosecond range) to divert excess energy, safeguarding downstream components.
For unidirectional protection, consider the SMAJ15A variant. Always verify datasheet specifications for your application.
Equivalent
- SMBJ15CA (higher power)
- SMCJ15CA (even higher power)
- P6KE15CA (similar clamping)
- 1.5KE15CA (higher surge rating)
- Littelfuse SMAJ15CA (same specs)
These are bidirectional TVS diodes with a 15V breakdown voltage, offering surge protection. Check datasheets for exact ratings.
Features
- Voltage Rating: 15V working standoff voltage.
- Peak Pulse Power: 400W (8/20µs pulse).
- Breakdown Voltage: 16.7V (min).
- Low Clamping Voltage: Protects circuits by limiting voltage spikes.
- Bidirectional Operation: Guards against both positive and negative transients.
- Fast Response Time: Reacts in picoseconds to surges (ESD, lightning, etc.).
- SMA/DO-214AC Package: Compact, surface-mount design.
- RoHS Compliant: Environmentally friendly.
Ideal for ESD protection, automotive, telecom, and industrial applications.
Pinout
- Pin Count: 2 pins (standard DO-214AC/SMA package).
- Function: Clamps transient voltages to protect sensitive electronics.
- Voltage Rating: 15V (standoff voltage).
- Peak Pulse Power: 400W (8/20μs pulse).
- Breakdown Voltage: ~16.7V (min).
- Bidirectional: Protects against both positive and negative transients.
Commonly used in power lines, communication ports, and automotive circuits for surge suppression.
Application
1. Electronics Protection – Safeguards sensitive circuits from voltage spikes in power lines, data lines, and communication ports.
2. Automotive Systems – Protects ECUs, sensors, and infotainment systems from load dump and ESD events.
3. Industrial Equipment – Shields control systems, PLCs, and motor drives from surges.
4. Consumer Electronics – Guards USB ports, HDMI interfaces, and power supplies against ESD and transients.
5. Telecom & Networking – Ensures reliability in routers, switches, and base stations by suppressing surges.
Its bidirectional clamping (15V) makes it ideal for AC/DC protection.