Overview
The SM15T22AHE3/57T is a 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 various sources such as inductive load switching and lightning.
It features a low profile SMC (DO-214AB) package, making it ideal for automated placement in a variety of applications, including consumer, computer, industrial, automotive, and telecommunication systems.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Voltage - Reverse Standoff (Typ) | VWM | 18.8 V | V |
| Voltage - Breakdown (Min) | VBR | 20.9 V | V |
| Voltage - Clamping (Max) @ Ipp | VC | 30.6 V | V |
| Peak Pulse Power Dissipation | PPPM | 1500 W | W |
| Power Dissipation on Infinite Heatsink | PD | 6.5 W | W |
| Peak Forward Surge Current | IFSM | 200 A | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +150 °C | °C |
| Thermal Resistance, Junction to Ambient Air | RθJA | 75 °C/W | °C/W |
Key Features
- Low profile SMC (DO-214AB) package, ideal for automated placement.
- Glass passivated chip junction.
- 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.
- Terminals are matte tin plated leads, solderable per J-STD-002 and JESD 22-B102.
Applications
The SM15T22AHE3/57T is used to protect sensitive electronics against voltage transients induced by inductive load switching and lightning. It is suitable for various applications 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 pulse power dissipation of the SM15T22AHE3/57T?
The peak pulse power dissipation is 1500 W with a 10/1000 μs waveform.
- What are the typical applications of the SM15T22AHE3/57T?
It is used to protect sensitive electronics in consumer, computer, industrial, automotive, and telecommunication systems against voltage transients.
- What is the operating junction and storage temperature range of the SM15T22AHE3/57T?
The operating junction and storage temperature range is -65 to +150 °C.
- Is the SM15T22AHE3/57T AEC-Q101 qualified?
- What is the thermal resistance, junction to ambient air, of the SM15T22AHE3/57T?
The thermal resistance, junction to ambient air, is 75 °C/W).
- What package type does the SM15T22AHE3/57T use?
The component uses a low profile SMC (DO-214AB) package).
- Is the SM15T22AHE3/57T RoHS-compliant?
- What is the maximum forward surge current of the SM15T22AHE3/57T?
The maximum forward surge current is 200 A for a 10 ms single half sine-wave).
- What is the voltage clamping capability of the SM15T22AHE3/57T?
The voltage clamping capability is up to 30.6 V at the peak pulse current).
- How are the terminals of the SM15T22AHE3/57T plated?
The terminals are matte tin plated leads, solderable per J-STD-002 and JESD 22-B102).
