Overview
The SM15T24AHE3/9AT 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 provide protection against voltage transients in various electronic systems. The SM15T24AHE3/9AT is particularly suited for applications requiring high peak pulse power capability and excellent clamping characteristics.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Standoff Voltage (Typ) | VWM | 20.5 | V |
| Breakdown Voltage (Unidirectional) | VBR | 22.8 - 25.2 | V |
| Peak Pulse Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | 45 A | 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 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 °C | °C |
| Package Type | SMC (DO-214AB) |
Key Features
- High Peak Pulse Power Capability: The SM15T24AHE3/9AT can handle up to 1500 W of peak pulse power with a 10/1000 μs waveform, making it suitable for protecting against lightning-induced transients and switching transients from large coils or industrial motors.
- Excellent Clamping Capability: This TVS diode offers low clamping voltage, ensuring effective protection of sensitive electronics.
- Low Profile Package: The SMC (DO-214AB) package is ideal for automated placement and saves space in designs.
- High Temperature Rating: The device can operate with a junction temperature up to 150 °C and is AEC-Q101 qualified for automotive applications.
- RoHS and Halogen-Free Compliance: Available in RoHS-compliant and halogen-free versions, meeting environmental and safety standards.
Applications
The SM15T24AHE3/9AT is used in a variety of applications to protect sensitive electronics against voltage transients. These include:
- Consumer electronics
- Computer systems
- Industrial equipment
- Automotive systems (e.g., protection from load dump)
- Telecommunication devices
- Protection of ICs, MOSFETs, and signal lines in sensor units.
Q & A
- What is the peak pulse power dissipation of the SM15T24AHE3/9AT? The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the reverse standoff voltage of the SM15T24AHE3/9AT? The reverse standoff voltage is typically 20.5 V.
- What is the operating junction temperature range of the SM15T24AHE3/9AT? The operating junction temperature range is -65 to +150 °C.
- Is the SM15T24AHE3/9AT RoHS-compliant? Yes, it is available in RoHS-compliant versions.
- What package type does the SM15T24AHE3/9AT use? The SM15T24AHE3/9AT uses the SMC (DO-214AB) package.
- What are the typical applications of the SM15T24AHE3/9AT? It is used in consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunication devices.
- Is the SM15T24AHE3/9AT AEC-Q101 qualified? Yes, it is AEC-Q101 qualified for automotive applications.
- What is the peak forward surge current rating of the SM15T24AHE3/9AT? The peak forward surge current rating is 200 A for a 10 ms single half sine-wave.
- Does the SM15T24AHE3/9AT meet MSL level 1? Yes, it meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C.
- What is the failure mode of the SM15T24AHE3/9AT in an overstress condition? The failure mode is a short circuit in an overstress condition.
