Overview
The SMF5.0AT1G is a Transient Voltage Suppressor (TVS) diode designed by Littelfuse Inc. to protect voltage-sensitive components from high voltage, high energy transients. This device is part of the SMFxxA series, known for its excellent clamping capability, high surge capability, and fast response time.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Stand-off Voltage | VRWM | 5 | V |
| Peak Power Dissipation (10/1000 μs) | Ppk | 200 | W |
| Maximum Reverse Peak Pulse Current | IPP | 21.7 | A |
| Clamping Voltage @ IPP | VC | 9.2 | V |
| Maximum Reverse Leakage Current @ VRWM | IR | 400 | μA |
| Breakdown Voltage @ IT | VBR | 6.4 - 7.0 | V |
| ESD Rating (Human Body Model) | - | > 16 kV | - |
| ESD Rating (IEC61000-4-2) | - | Level 4 (8 kV Contact Discharge) | - |
| EFT Rating (IEC61000-4-4) | - | 40 A | - |
| Operating and Storage Temperature Range | TJ, Tstg | -55 to +150 | °C |
| Package Type | - | SOD-123 Flat Lead | - |
| Lead Finish | - | 100% Matte Sn (Tin) | - |
| Maximum Reflow Temperature | - | 260°C | - |
Key Features
- Excellent clamping capability and high surge capability.
- Low zener impedance and fast response time (typically < 1 ns).
- Low leakage current.
- High ESD rating (Class 3 > 16 kV per Human Body Model and Level 4 per IEC61000-4-2).
- EFT rating of 40 A per IEC61000-4-4.
- Low profile with a maximum height of 1.0 mm and small footprint of 8.45 mm².
- Pb-free and RoHS compliant.
- AEC-Q101 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
Applications
The SMF5.0AT1G is ideal for use in various applications due to its small size and robust protection capabilities. These include:
- Cellular phones and other portable devices.
- Business machines and office equipment.
- Power supplies and other industrial/consumer electronics.
Q & A
- What is the primary function of the SMF5.0AT1G?
The SMF5.0AT1G is designed to protect voltage-sensitive components from high voltage, high energy transients.
- What is the stand-off voltage of the SMF5.0AT1G?
The stand-off voltage (VRWM) of the SMF5.0AT1G is 5 volts.
- What is the peak power dissipation of the SMF5.0AT1G?
The peak power dissipation (Ppk) of the SMF5.0AT1G is 200 watts at 10/1000 μs.
- What is the ESD rating of the SMF5.0AT1G?
The ESD rating of the SMF5.0AT1G is Class 3 (> 16 kV) per Human Body Model and Level 4 (8 kV Contact Discharge) per IEC61000-4-2.
- What is the package type of the SMF5.0AT1G?
The SMF5.0AT1G is packaged in a SOD-123 Flat Lead package.
- Is the SMF5.0AT1G Pb-free and RoHS compliant?
Yes, the SMF5.0AT1G is Pb-free and RoHS compliant.
- What are the operating and storage temperature ranges for the SMF5.0AT1G?
The operating and storage temperature ranges for the SMF5.0AT1G are -55°C to +150°C.
- What are some typical applications for the SMF5.0AT1G?
The SMF5.0AT1G is typically used in cellular phones, portable devices, business machines, power supplies, and other industrial/consumer electronics.
- Is the SMF5.0AT1G qualified for automotive applications?
Yes, the SMF5.0AT1G is AEC-Q101 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
- What is the maximum reflow temperature for the SMF5.0AT1G?
The maximum reflow temperature for the SMF5.0AT1G is 260°C.
