Overview
The SMAJ33A/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 transients and spikes. The SMAJ33A/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 | Minimum 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 |
| Reverse Stand-Off Voltage (VRWM) | 33V | ||
| Breakdown Voltage (VBR) | 42.9 - 45.7V | ||
| Maximum Clamping Voltage (VC) at IPP | 53.3V | ||
| Peak Pulse Current (IPP) | 7.5A | ||
| Reverse Leakage Current (IR) at VRWM | < 1μA above 10V |
Key Features
- For surface-mounted applications to optimize board space
- Low profile package (JEDEC DO-214AC)
- 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 with Underwriters Laboratory flammability 94V-0
- Meets MSL level 1, per J-STD-020
- Safety certification: UL, IEC61000-4-2 ESD 30KV Air, 30KV contact compliance
- AEC-Q101 qualified for automotive applications
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 SMAJ33A/TR13?
The peak pulse power dissipation is a minimum of 400 Watts at a 10/1000μs waveform.
- What is the maximum clamping voltage of the SMAJ33A/TR13?
The maximum clamping voltage is 53.3V at the peak pulse current (IPP).
- What is the operating junction and storage temperature range for this component?
The operating junction and storage temperature range is -55 to +150℃.
- What are the typical thermal resistances of the SMAJ33A/TR13?
The typical thermal resistance junction to lead (RθJL) is 30℃/W, and junction to ambient (RθJA) is 120℃/W.
- Is the SMAJ33A/TR13 suitable for automotive applications?
- What is the packaging type and quantity for the SMAJ33A/TR13?
The component is packaged in a 13-inch reel with 5000 pieces per reel.
- What are the key features of the SMAJ33A/TR13 package?
The package features a low profile, glass passivated junction, low inductance, and high temperature soldering capability.
- What safety certifications does the SMAJ33A/TR13 have?
- What is the reverse leakage current of the SMAJ33A/TR13?
- What are the common applications of the SMAJ33A/TR13?
