Overview
The SM15T39AHM3_A/I is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, which is designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning. The SM15T39AHM3_A/I is particularly suited for applications requiring high reliability and robust protection against transient voltages.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Working Peak Reverse Voltage | VWM | 33.3 | V |
| Breakdown Voltage | VBR | 37.1 - 41.4 | V |
| Clamping Voltage at IPPM (10/1000 μs) | VC | 53.9 | V |
| Peak Pulse Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | See datasheet for specific values | A |
| 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 | SMC (DO-214AB) |
Key Features
- Low Profile Package: The SM15T39AHM3_A/I features a low profile SMC (DO-214AB) package, ideal for automated placement and space-saving designs.
- High Peak Pulse Power Capability: The device can handle up to 1500 W of peak pulse power with a 10/1000 μs waveform, making it suitable for protecting against severe transient voltages.
- Excellent Clamping Capability: It offers excellent clamping voltage characteristics, ensuring effective protection of sensitive electronics.
- Low Inductance: The design minimizes inductance, which is crucial for high-speed and high-frequency applications.
- AEC-Q101 Qualified: Available in AEC-Q101 qualified versions, making it suitable for automotive applications that require high reliability and robustness.
- RoHS and Halogen-Free Compliance: The component is RoHS-compliant and available in halogen-free versions, aligning with environmental and safety standards.
Applications
The SM15T39AHM3_A/I is used in a variety of applications to protect sensitive electronics from transient voltages. These include:
- Automotive Systems: Protection against load dump, inductive load switching, and other transient voltages in automotive electronics.
- Industrial Equipment: Protection of control units, sensors, and other electronic components in industrial settings.
- Consumer Electronics: Protection of ICs, MOSFETs, and signal lines in consumer electronic devices.
- Telecommunications: Protection of sensitive electronics in telecommunications equipment.
- Computing Systems: Protection of motherboards, power supplies, and other components in computing systems.
Q & A
- What is the working peak reverse voltage (VWM) of the SM15T39AHM3_A/I?
The working peak reverse voltage (VWM) is 33.3 V.
- What is the peak pulse power dissipation capability of the SM15T39AHM3_A/I?
The device can handle up to 1500 W of peak pulse power with a 10/1000 μs waveform.
- What is the package type of the SM15T39AHM3_A/I?
The package type is SMC (DO-214AB).
- Is the SM15T39AHM3_A/I AEC-Q101 qualified?
- What are the operating junction and storage temperature ranges for the SM15T39AHM3_A/I?
The operating junction and storage temperature ranges are -65 to +150 °C.
- What is the peak forward surge current rating for the SM15T39AHM3_A/I?
The peak forward surge current rating is 200 A for a 10 ms single half sine-wave.
- Is the SM15T39AHM3_A/I RoHS and halogen-free compliant?
- What are typical applications for the SM15T39AHM3_A/I?
- What is the clamping voltage at IPPM (10/1000 μs) for the SM15T39AHM3_A/I?
- Does the SM15T39AHM3_A/I meet MSL level 1, per J-STD-020?
