Overview
The SM15T27AHE3/9AT is a surface mount Transient Voltage Suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning. It features a low profile package, making it ideal for automated placement in various electronic devices.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation (10/1000 μs waveform) | PPPM | 1500 | W |
| Peak Pulse Current (10/1000 μs waveform) | IPPM | 40 | A |
| Stand-Off Voltage | VWM | 23.1 | V |
| Breakdown Voltage (VBR) | VBR | 25.7 - 28.4 | V |
| Maximum Reverse Leakage at VWM | ID | 1.0 | μA |
| Maximum Clamping Voltage (10/1000 μs) | VC | 37.5 | V |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 | °C |
| Package Type | SMC (DO-214AB) |
Key Features
- Low profile package ideal for automated placement.
- Available in unidirectional and bidirectional configurations.
- 1500 W peak pulse power capability with a 10/1000 μs waveform.
- Excellent clamping capability and low inductance.
- Meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C.
- AEC-Q101 qualified for automotive applications.
- RoHS-compliant and halogen-free options available.
- Molding compound meets UL 94 V-0 flammability rating.
Applications
The SM15T27AHE3/9AT is used in various applications to protect sensitive electronics against voltage transients, including:
- Consumer electronics
- Computer systems
- Industrial equipment
- Automotive systems
- Telecommunication devices
- Protection of ICs, MOSFETs, and signal lines of sensor units.
Q & A
- What is the peak power dissipation of the SM15T27AHE3/9AT?
The peak power dissipation is 1500 W with a 10/1000 μs waveform.
- What are the breakdown voltage ranges for this component?
The breakdown voltage (VBR) ranges from 25.7 V to 28.4 V.
- Is the SM15T27AHE3/9AT AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified for automotive applications.
- What is the maximum clamping voltage of this TVS diode?
The maximum clamping voltage is 37.5 V for a 10/1000 μs waveform).
- What is the operating junction and storage temperature range?
The operating junction and storage temperature range is -65 °C to +150 °C).
- What package type does the SM15T27AHE3/9AT use?
The package type is SMC (DO-214AB)).
- Is the component RoHS-compliant and halogen-free?
Yes, it is RoHS-compliant and halogen-free options are available).
- What are the typical applications of this TVS diode?
Typical applications include protection in consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunication devices).
- What is the maximum reverse leakage at VWM?
The maximum reverse leakage at VWM is 1.0 μA).
- Does the component meet any specific flammability ratings?
Yes, the molding compound meets UL 94 V-0 flammability rating).
