Overview
The SM15T33AHE3_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 provide protection against voltage transients in various electronic systems. The SM15T33AHE3_A/I is particularly suited for applications requiring high reliability and robust protection against transient voltages.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak 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 |
| Stand-Off Voltage (VWM) | VWM | 31.4 to 34.7 | V |
| Breakdown Voltage (VBR) | VBR | 33.9 to 37.5 | V |
| Maximum Reverse Leakage at VWM (ID) | ID | 1.0 | μA |
| Package | - | SMC (DO-214AB) | - |
| Polarity | - | Unidirectional, Bidirectional | - |
Key Features
- Low Profile Package: The SM15T33AHE3_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 peak pulse power with a 10/1000 μs waveform.
- Excellent Clamping Capability: Provides effective clamping of transient voltages to protect sensitive electronics.
- Low Inductance: Designed to minimize inductance, ensuring better performance in high-frequency applications.
- AEC-Q101 Qualified: Available in AEC-Q101 qualified versions, making it suitable for automotive applications.
- RoHS and Halogen-Free Compliance: Meets RoHS and halogen-free standards, ensuring environmental compliance.
- High Temperature Rating: Operates within a temperature range of -65 to +150 °C.
Applications
The SM15T33AHE3_A/I 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, ECU protection)
- Telecommunication devices
- Protection of ICs, MOSFETs, and signal lines in sensor units
Q & A
- What is the peak pulse power dissipation of the SM15T33AHE3_A/I?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What is the operating junction and storage temperature range of this TVS diode?
The operating junction and storage temperature range is -65 to +150 °C.
- Is the SM15T33AHE3_A/I AEC-Q101 qualified?
- What package type does the SM15T33AHE3_A/I use?
The device uses the SMC (DO-214AB) package.
- What are the typical applications of the SM15T33AHE3_A/I?
It is used to protect sensitive electronics against voltage transients in consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunication devices.
- Does the SM15T33AHE3_A/I meet RoHS and halogen-free standards?
- What is the maximum reverse leakage current at VWM for the SM15T33AHE3_A/I?
The maximum reverse leakage current at VWM is 1.0 μA.
- What is the breakdown voltage (VBR) range for the SM15T33AHE3_A/I?
The breakdown voltage (VBR) range is from 33.9 to 37.5 V.
- Is the SM15T33AHE3_A/I suitable for high-frequency applications?
- What is the peak forward surge current rating for the SM15T33AHE3_A/I?
The peak forward surge current rating is 200 A for a 10 ms single half sine-wave.
