Overview
The SMAJ40A/TR13 is a Transient Voltage Suppressor (TVS) diode produced by YAGEO, designed to protect sensitive electronic equipment from voltage transients and electrostatic discharges (ESD). This component is optimized for surface-mounted applications, offering a low profile package that maximizes board space efficiency.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Part Number | SMAJ40A/TR13 | - |
| Reverse Stand-Off Voltage (VRWM) | 40.0 | V |
| Breakdown Voltage (VBR) | 44.4 - 49.4 | V |
| Test Current (IT) | 1 | mA |
| Maximum Clamping Voltage (VC) at IPP | 64.5 | V |
| Peak Pulse Current (IPP) | 800 | A |
| Reverse Leakage Current (IR) at VRWM | 1 | μA |
| Peak Pulse Power Dissipation (PPPM) | 400 | W |
| Operating Junction and Storage Temperature Range | -55 to +150 | ℃ |
| Package Type | JEDEC DO-214AC | - |
| Terminal Material | Tin plated, solderable per MIL-STD-750, Method 2026 | - |
Key Features
- Low profile package to optimize board space.
- Glass passivated junction for reliability.
- Low inductance design.
- 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.
Applications
- I/O interface protection.
- AC/DC power supply protection.
- Low frequency signal transmission lines (e.g., RS232, RS485).
- Protection in automotive and industrial electronics.
Q & A
- What is the primary function of the SMAJ40A/TR13 TVS diode?
The primary function is to protect sensitive electronic equipment from voltage transients and electrostatic discharges.
- What is the reverse stand-off voltage (VRWM) of the SMAJ40A/TR13?
The reverse stand-off voltage (VRWM) is 40.0 V.
- What is the peak pulse power dissipation capability of the SMAJ40A/TR13?
The peak pulse power dissipation capability is 400 W at 10/1000μs waveform.
- What is the operating junction and storage temperature range for the SMAJ40A/TR13?
The operating junction and storage temperature range is -55 to +150 ℃.
- What type of package does the SMAJ40A/TR13 use?
The SMAJ40A/TR13 uses a JEDEC DO-214AC package.
- Is the SMAJ40A/TR13 compliant with any safety standards?
Yes, it is compliant with UL and IEC61000-4-2 ESD 30KV Air, 30KV contact standards.
- What is the typical reverse leakage current (IR) of the SMAJ40A/TR13?
The typical reverse leakage current (IR) is less than 1 μA above 10 V.
- Can the SMAJ40A/TR13 be used in high-temperature soldering processes?
Yes, it can withstand high-temperature soldering at 260℃ for 10 seconds at terminals.
- What are some common applications for the SMAJ40A/TR13?
Common applications include I/O interface protection, AC/DC power supply protection, and low frequency signal transmission lines.
- Does the SMAJ40A/TR13 meet any specific moisture sensitivity levels?
Yes, it meets MSL level 1, per J-STD-020.
- What is the weight of the SMAJ40A/TR13 component?
The weight is approximately 0.07 g.
