Overview
The SMAJ12CA/TR13, produced by YAGEO, is a Transient Voltage Suppressor (TVS) diode designed for surface-mounted applications. This component is part of the SMAJ series, which is optimized to protect electronic circuits from voltage spikes and other transient voltage events. The SMAJ12CA/TR13 is particularly suited for applications requiring high reliability and robust protection against electrical surges.
Key Specifications
| Rating | Symbol | Value | Units |
|---|---|---|---|
| Peak Pulse Power Dissipation at 10/1000μs waveform | PPPM | 400 | Watts |
| Peak Pulse Current at 10/1000μs waveform | IPPM | See Table | Amps |
| Steady State Power Dissipation at TA=50℃ | PM(AV) | 3.3 | Watts |
| Peak Forward Surge Current, 8.3ms single half sine-wave | IFSM | 40 | Amps |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -55 to +150 | ℃ |
| Typical Thermal Resistance Junction to Lead | RθJL | 30 | ℃/W |
| Typical Thermal Resistance Junction to Ambient | RθJA | 120 | ℃/W |
| Breakdown Voltage (VBR) | VBR | 13.3 - 14.7 | Volts |
| Maximum Clamping Voltage (VC) | VC | 18.2 | Volts |
Key Features
- For surface mounted applications to optimize board space
- Low profile package
- Glass passivated junction
- Low inductance
- Excellent clamping capability
- 400W peak pulse power capability at 10/1000μs waveform
- Fast response time
- Typical IR less than 1μA above 10V
- High Temperature soldering: 260℃/10 seconds at terminals
- Plastic package has Underwriters Laboratory flammability 94V-0
- Meets MSL level 1, per J-STD-020
- Safety certification: UL: E244458
- AEC-Q101 qualified
- IEC61000-4-2 ESD 30KV Air, 30KV contact compliance
Applications
- I/O interface protection
- AC/DC power supply protection
- Low frequency signal transmission lines (RS232, RS485, etc.)
Q & A
- What is the peak pulse power dissipation of the SMAJ12CA/TR13?
The peak pulse power dissipation is 400 Watts at a 10/1000μs waveform.
- What is the breakdown voltage range for the SMAJ12CA/TR13?
The breakdown voltage range is 13.3 to 14.7 Volts.
- What is the maximum clamping voltage for this TVS diode?
The maximum clamping voltage is 18.2 Volts.
- What are the operating junction and storage temperature ranges?
The operating junction and storage temperature ranges are -55 to +150 ℃.
- Is the SMAJ12CA/TR13 AEC-Q101 qualified?
- What is the recommended soldering temperature for this component?
The recommended peak soldering temperature is 260℃ for 10 seconds at the terminals.
- Does the SMAJ12CA/TR13 meet any specific safety certifications?
- What is the typical thermal resistance junction to ambient for this TVS diode?
The typical thermal resistance junction to ambient is 120 ℃/W.
- What are the common applications for the SMAJ12CA/TR13?
- How is the SMAJ12CA/TR13 packaged?
