Overview
The SMS15T1G is a quad monolithic silicon ESD and surge protector designed by onsemi for applications requiring transient overvoltage protection. This device is particularly suited for use in voltage and ESD sensitive equipment such as computers, printers, business machines, and communication systems. It offers superior surge protection capabilities, making it an essential component for ensuring the reliability and longevity of sensitive electronic devices.
Key Specifications
| Rating | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation | Ppk | 350 | W |
| Total Power Dissipation on FR-5 Board @ TA = 25°C | PD | 225 mW | mW |
| Derate Above 25°C | - | 1.8 mW/°C | mW/°C |
| Thermal Resistance, Junction-to-Ambient | RJA | 556 °C/W | °C/W |
| Junction and Storage Temperature Range | TJ, Tstg | -55 to +150 °C | °C |
| Lead Solder Temperature Maximum 10 Seconds Duration | TL | 260 °C | °C |
| Breakdown Voltage @ IT | VBR | 16.7 - 18.5 V | V |
| Maximum Reverse Leakage Current @ VRWM | IR | 1.0 µA | µA |
| Clamping Voltage @ IPP | VC | 24.0 V | V |
| ESD Rating (Human Body Model) | - | Exceeding 25 kV | kV |
| ESD Rating (IEC 61000-4-2) | - | 15 kV (air), 8 kV (contact) | kV |
| UL Flammability Rating | - | 94 V-0 | - |
Key Features
- SC-74 Package: Allows four separate unidirectional configurations.
- Peak Power: Up to 350 watts peak power, 8 x 20 µs.
- ESD Protection: ESD rating of Class N (exceeding 25 kV) per the Human Body Model and IEC 61000-4-2 (15 kV air, 8 kV contact).
- Surge Protection: IEC 61000-4-5 (23 A, 8/20 µs) and IEC 61000-4-4 (40 A, 5/50 ns).
- UL Flammability Rating: 94 V-0.
- Pb-Free and RoHS Compliant: Ensures environmental compliance.
- AEC-Q101 Qualified and PPAP Capable: Suitable for automotive and other applications requiring unique site and control change requirements.
Applications
- Handheld portable applications such as cell phones, pagers, notebooks, and notebook computers.
- Voltage and ESD sensitive equipment like computers, printers, business machines, and communication systems.
Q & A
- What is the peak power dissipation of the SMS15T1G?
The peak power dissipation of the SMS15T1G is up to 350 watts, with an 8 x 20 µs pulse duration.
- What is the ESD rating of the SMS15T1G according to the Human Body Model?
The ESD rating exceeds 25 kV according to the Human Body Model.
- What are the IEC 61000-4-2 ESD ratings for the SMS15T1G?
The IEC 61000-4-2 ESD ratings are 15 kV (air) and 8 kV (contact).
- What is the thermal resistance, junction-to-ambient, of the SMS15T1G?
The thermal resistance, junction-to-ambient, is 556 °C/W.
- Is the SMS15T1G Pb-free and RoHS compliant?
- What is the UL flammability rating of the SMS15T1G?
The UL flammability rating is 94 V-0.
- What are some typical applications for the SMS15T1G?
Typical applications include handheld portable devices like cell phones, pagers, and notebooks, as well as voltage and ESD sensitive equipment such as computers and communication systems.
- Is the SMS15T1G AEC-Q101 qualified?
- What is the package type of the SMS15T1G?
The package type is SC-74, allowing for four separate unidirectional configurations.
- What is the junction and storage temperature range for the SMS15T1G?
The junction and storage temperature range is -55 to +150 °C.
