Overview
The SM15T24AY is a Transient Voltage Suppressor (TVS) diode manufactured by STMicroelectronics. It is part of the SM15T series, designed to protect sensitive automotive circuits against surges and electrostatic discharges. This component utilizes planar technology, ensuring low leakage current and high junction temperature tolerance, which are crucial for long-term reliability and stability in high-end circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation (10/1000 µs) | 1500 | W |
| Peak Pulse Power Dissipation (8/20 µs) | 10 kW | |
| Reverse Standoff Voltage (Typ) | 20.5 | V |
| Breakdown Voltage (Min) | 22.8 | V |
| Clamping Voltage @ Ipp (Max) | 42.8 | V |
| Peak Pulse Current (10/1000 µs) | 234 | A |
| Operating Junction Temperature Range | -55 to +150 | °C |
| Storage Temperature Range | -65 to +150 | °C |
| Maximum Lead Temperature for Soldering | 260 | °C |
| Package | DO-214AB, SMC | |
| Mounting Type | Surface Mount |
Key Features
- AEC-Q101 qualified for automotive applications.
- High peak pulse power dissipation: 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.
- Operating junction temperature up to 150 °C.
- Unidirectional and bidirectional types available.
- Compliant with various standards: UL94, V0; J-STD-020 MSL level 1; J-STD-002, JESD 22-B102 E3 and MIL-STD-750, method 2026.
- High surge capability and electrostatic discharge protection according to ISO 10605 and IEC 61000-4-2.
- Lead finishing: matte tin plating.
Applications
The SM15T24AY is primarily used in automotive circuits to protect against surges and electrostatic discharges as defined in ISO 7637-2 and ISO 10605. It is suitable for general-purpose protection in high-end circuits where low leakage current and high junction temperature tolerance are essential.
Q & A
- What is the peak pulse power dissipation of the SM15T24AY?
The peak pulse power dissipation is 1500 W (10/1000 µs) and 10 kW (8/20 µs).
- What is the reverse standoff voltage of the SM15T24AY?
The reverse standoff voltage is typically 20.5 V.
- What is the clamping voltage at peak pulse current for the SM15T24AY?
The clamping voltage at peak pulse current is 42.8 V.
- What is the operating junction temperature range of the SM15T24AY?
The operating junction temperature range is -55 to +150 °C.
- Is the SM15T24AY AEC-Q101 qualified?
- What package type does the SM15T24AY come in?
The SM15T24AY comes in a DO-214AB, SMC package.
- What are the key standards the SM15T24AY complies with?
The SM15T24AY complies with UL94, V0; J-STD-020 MSL level 1; J-STD-002, JESD 22-B102 E3 and MIL-STD-750, method 2026, among others).
- What is the maximum lead temperature for soldering the SM15T24AY?
The maximum lead temperature for soldering is 260 °C for 10 seconds).
- What are the typical applications of the SM15T24AY?
The SM15T24AY is used in automotive circuits and general-purpose protection in high-end circuits).
- Does the SM15T24AY offer protection against electrostatic discharges?
