Overview
The SM15T24A is a Transient Voltage Suppressor (TVS) diode manufactured by STMicroelectronics. This component is part of the SM15T series, designed to provide protection against voltage transients and electrical overstress in various electronic systems. The SM15T24A is particularly suited for applications requiring high peak pulse power capability and excellent clamping characteristics.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | 234 | A |
| Reverse Standoff Voltage (Typical) | VWM | 20.5 | V |
| Breakdown Voltage (Minimum) | VBR | 22.8 | V |
| Clamping Voltage at IPPM (10/1000 μs) | VC | 42.8 | V |
| Power Dissipation on Infinite Heatsink at TA = 50 °C | PD | 6.5 | W |
| Peak Forward Surge Current (10 ms single half sine-wave) | IFSM | 200 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package Type | DO-214AB, SMC | ||
| Mounting Type | Surface Mount |
Key Features
- Low profile package ideal for automated placement
- Glass passivated chip junction for enhanced reliability
- Available in unidirectional configuration
- 1500 W peak pulse power capability with a 10/1000 μs waveform
- Excellent clamping capability to protect against voltage transients
- Low inductance design
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C
- AEC-Q101 qualified for automotive applications
Applications
The SM15T24A is used in various applications to protect sensitive electronics against voltage transients. These include:
- Protection against inductive load switching and lightning-induced transients
- ICs, MOSFETs, and signal lines of sensor units
- Consumer, computer, industrial, automotive, and telecommunication systems
Q & A
- What is the peak power dissipation of the SM15T24A?
The peak power dissipation of the SM15T24A is 1500 W with a 10/1000 μs waveform.
- What is the typical reverse standoff voltage of the SM15T24A?
The typical reverse standoff voltage (VWM) is 20.5 V.
- What is the clamping voltage at IPPM for the SM15T24A?
The clamping voltage at IPPM (10/1000 μs) is 42.8 V.
- What is the operating junction and storage temperature range of the SM15T24A?
The operating junction and storage temperature range is -65 to +150 °C.
- Is the SM15T24A AEC-Q101 qualified?
- What package type does the SM15T24A come in?
The SM15T24A comes in a DO-214AB, SMC package.
- What is the peak forward surge current of the SM15T24A?
The peak forward surge current (10 ms single half sine-wave) is 200 A.
- What are the typical applications of the SM15T24A?
The SM15T24A is used to protect against voltage transients in ICs, MOSFETs, signal lines of sensor units, and in consumer, computer, industrial, automotive, and telecommunication systems).
- Does the SM15T24A meet any specific industry standards?
- What is the thermal resistance of the SM15T24A?
The typical thermal resistance, junction to ambient air, is 75 °C/W).
