Overview
The SMAJ48CA/TR13, produced by YAGEO, is a Transient Voltage Suppressor (TVS) diode designed for surface-mounted applications. This component is part of the SMAJ series and is specifically engineered to protect electronic circuits from voltage spikes and transient events. The SMAJ48CA/TR13 is a bidirectional TVS diode, offering robust protection in a compact DO-214AC package.
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 |
| Voltage - Reverse Standoff (Typ) | VRWM | 48V | V |
| Voltage - Breakdown (Min) | VBR | 53.3V | V |
| Voltage - Clamping (Max) @ Ipp | Vc | 77.4V | V |
| Current - Peak Pulse (10/1000µs) | IPP | 23A (8/20µs) | A |
| Package | DO-214AC, SMA |
Key Features
- Low profile package to optimize board space
- Glass passivated junction for reliability
- Low inductance for better performance
- Excellent clamping capability to protect against voltage spikes
- Fast response time to transient events
- Typical IR less than 1μA above 10V
- High temperature soldering capability: 260℃/10 seconds at terminals
- Plastic package with UL flammability rating 94V-0
- Meets MSL level 1, per J-STD-020
- Safety certification: UL: E244458 and 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 SMAJ48CA/TR13 used for? The SMAJ48CA/TR13 is used to protect electronic circuits from transient voltage spikes and other voltage-related threats.
- What is the peak pulse power dissipation of the SMAJ48CA/TR13? The peak pulse power dissipation is a minimum of 400 Watts at a 10/1000μs waveform.
- What is the operating temperature range of the SMAJ48CA/TR13? The operating junction and storage temperature range is -55 to +150 ℃.
- What type of package does the SMAJ48CA/TR13 come in? The SMAJ48CA/TR13 comes in a DO-214AC (SMA) package.
- Is the SMAJ48CA/TR13 bidirectional or unidirectional? The SMAJ48CA/TR13 is a bidirectional TVS diode.
- What is the typical thermal resistance junction to ambient for the SMAJ48CA/TR13? The typical thermal resistance junction to ambient is 120 ℃/W.
- Does the SMAJ48CA/TR13 meet any specific safety certifications? Yes, it meets UL: E244458 and IEC61000-4-2 ESD 30KV Air, 30KV contact compliance.
- What is the peak forward surge current of the SMAJ48CA/TR13? The peak forward surge current is 40 Amps for an 8.3ms single half sine-wave.
- How is the SMAJ48CA/TR13 packaged for distribution? It is packaged on a 12mm tape (EIA STD RS-481) and available in 7-inch and 13-inch reel packages.
- What is the weight of the SMAJ48CA/TR13? The weight of the SMAJ48CA/TR13 is approximately 0.07 grams.
