Overview
The SM15T68AY is a high-performance Transient Voltage Suppressor (TVS) diode designed by STMicroelectronics for protecting sensitive automotive circuits against electrical surges and electrostatic discharges. This component is part of the SM15TxxAY series, which is AEC-Q101 qualified, ensuring reliability and stability in high-end automotive applications. The SM15T68AY features planar technology, which provides low leakage current and high junction temperature capabilities, making it suitable for demanding environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation (10/1000 µs) | 1500 | W |
| Peak Pulse Power Dissipation (8/20 µs) | 10 kW | W |
| Stand-off Voltage | 68 V | V |
| Maximum Junction Temperature | 150 °C | °C |
| Leakage Current at 25 °C | 0.2 µA | µA |
| Leakage Current at 85 °C | 1 µA | µA |
| Maximum Lead Temperature for Soldering | 260 °C | °C |
| Storage Temperature Range | -65 to +150 °C | °C |
| ESD Protection (ISO10605 / IEC 61000-4-2) | 30 kV (air and contact discharge) | kV |
Key Features
- AEC-Q101 Qualified: Ensures the component meets automotive industry standards for reliability and performance.
- High Peak Pulse Power: Capable of dissipating up to 1500 W (10/1000 µs) and 10 kW (8/20 µs).
- Low Leakage Current: 0.2 µA at 25 °C and 1 µA at 85 °C.
- High Junction Temperature: Operating junction temperature range of -55 to +150 °C.
- ESD Protection: Compliant with ISO10605 and IEC 61000-4-2, providing protection up to 30 kV (air and contact discharge).
- Compliance with Standards: Meets UL94, V0; J-STD-020 MSL level 1; J-STD-002, JESD 22-B102 E3 and MIL-STD-750, method 2026 solderable matte tin plated leads.
Applications
The SM15T68AY is designed to protect sensitive automotive circuits against electrical surges and electrostatic discharges. It is particularly useful in high-end automotive applications where reliability and stability are critical, such as in engine control units, infotainment systems, and other electronic control modules.
Q & A
- What is the peak pulse power dissipation of the SM15T68AY?
The SM15T68AY can dissipate up to 1500 W (10/1000 µs) and 10 kW (8/20 µs).
- What is the stand-off voltage range of the SM15T68AY?
The stand-off voltage for the SM15T68AY is 68 V.
- What are the operating junction temperature limits for the SM15T68AY?
The operating junction temperature range is -55 to +150 °C.
- What is the leakage current of the SM15T68AY at 25 °C and 85 °C?
The leakage current is 0.2 µA at 25 °C and 1 µA at 85 °C.
- Is the SM15T68AY compliant with automotive industry standards?
Yes, it is AEC-Q101 qualified.
- What type of ESD protection does the SM15T68AY offer?
It provides protection up to 30 kV (air and contact discharge) according to ISO10605 and IEC 61000-4-2.
- What are the storage temperature limits for the SM15T68AY?
The storage temperature range is -65 to +150 °C.
- What is the maximum lead temperature for soldering the SM15T68AY?
The maximum lead temperature for soldering is 260 °C.
- Does the SM15T68AY meet any specific soldering standards?
Yes, it meets J-STD-020 MSL level 1 and J-STD-002, JESD 22-B102 E3 and MIL-STD-750, method 2026 solderable matte tin plated leads.
- In what types of applications is the SM15T68AY typically used?
It is used in high-end automotive applications such as engine control units, infotainment systems, and other electronic control modules.
