Overview
The SM15T30A is a Transient Voltage Suppressor (TVS) diode produced by STMicroelectronics. This component is designed to protect sensitive electronic equipment against electrostatic discharges, electrical overstress, and surges. It complies with international standards such as IEC 61000-4-2, MIL STD 883 Method 3015, and IEC 61000-4-4 and 5. The SM15T30A is part of the SM15T TVS series, which is known for its high reliability and stability, making it suitable for use in high-end equipment and Switch-Mode Power Supplies (SMPS).
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | SM15T30A |
| Polarity | Unidirectional |
| Reverse Stand-off Voltage (VWM) | 25.6 V |
| Breakdown Voltage (VBR) | 28.5 V |
| Clamping Voltage (VC) | 53.5 V |
| Peak Pulse Power (PPK) | 1.5 kW |
| Peak Pulse Current (IPP) | 187 A (8/20 μs) |
| Operating Temperature (TJ) | -55°C to 150°C |
| Package | DO-214AB, SMC |
| Dimensions | Length: 7.15 mm, Width: 6.25 mm, Height: 2.45 mm |
| RoHS Status | RoHS Compliant |
| Lead Free | Yes |
Key Features
- High Surge Capability: The SM15T30A can handle peak pulse power of up to 1.5 kW and peak pulse current of 187 A (8/20 μs), making it robust against transient overloads.
- Low Leakage Current: This TVS diode is designed with low leakage current, ensuring high reliability and stability over time.
- High Junction Temperature: The component can operate within a wide temperature range of -55°C to 150°C, making it suitable for various environmental conditions.
- Environmental Compliance: The SM15T30A is RoHS compliant and lead-free, adhering to environmental regulations such as REACH SVHC.
- Compact Packaging: The DO-214AB, SMC package is compact and suitable for surface mount applications, making it ideal for high-density electronic designs.
Applications
- Switch-Mode Power Supplies (SMPS): The SM15T30A is particularly suited for use in SMPS due to its high surge capability and low leakage current.
- High-End Electronic Equipment: This TVS diode protects sensitive equipment against electrostatic discharges and electrical overstress, making it a reliable choice for high-end electronics.
- Industrial and Automotive Systems: The component's ability to operate over a wide temperature range and its high reliability make it suitable for use in industrial and automotive applications.
- Telecommunication Equipment: The SM15T30A can be used to protect telecommunication equipment from transient voltages and electrical surges.
Q & A
- What is the primary function of the SM15T30A TVS diode?
The primary function of the SM15T30A is to protect sensitive electronic equipment against electrostatic discharges, electrical overstress, and surges.
- What is the reverse stand-off voltage (VWM) of the SM15T30A?
The reverse stand-off voltage (VWM) of the SM15T30A is 25.6 V.
- What is the peak pulse power (PPK) rating of the SM15T30A?
The peak pulse power (PPK) rating of the SM15T30A is 1.5 kW.
- What is the operating temperature range of the SM15T30A?
The operating temperature range of the SM15T30A is -55°C to 150°C.
- Is the SM15T30A RoHS compliant?
Yes, the SM15T30A is RoHS compliant and lead-free.
- What type of package does the SM15T30A come in?
The SM15T30A comes in a DO-214AB, SMC package.
- What are some common applications for the SM15T30A?
The SM15T30A is commonly used in Switch-Mode Power Supplies (SMPS), high-end electronic equipment, industrial and automotive systems, and telecommunication equipment).
- What is the clamping voltage (VC) of the SM15T30A?
The clamping voltage (VC) of the SM15T30A is 53.5 V).
- Does the SM15T30A contain any Substances of Very High Concern (SVHC) under REACH regulations?
No, the SM15T30A does not contain any SVHCs above the threshold concentration).
- What is the peak pulse current (IPP) rating of the SM15T30A?
The peak pulse current (IPP) rating of the SM15T30A is 187 A (8/20 μs)).
