Overview
The SM15T22A-E3/57T is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM15T series, known as TRANSZORB® devices, which are designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning.
The SM15T22A-E3/57T is a unidirectional TVS diode with a reverse standoff voltage of 18.8V and a breakdown voltage of 20.9V. It features a peak pulse power capability of 1500W with a 10/1000 μs waveform, making it suitable for various industrial, automotive, and consumer applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Vishay General Semiconductor - Diodes Division | |
| Model Name | SM15T22A-E3/57T | |
| Voltage - Reverse Standoff (Typ) | 18.8V | V |
| Voltage - Breakdown (Min) | 20.9V | V |
| Voltage - Clamping (Max) @ Ipp | 30.6V | V |
| Current - Peak Pulse (10/1000µs) | 49A | A |
| Power - Peak Pulse | 1500W (1.5kW) | W |
| Package / Case | DO-214AB, SMC | |
| Operating Temperature | -65°C ~ 150°C (TJ) | °C |
| Mounting Type | Surface Mount |
Key Features
- Low Profile Package: Ideal for automated placement and space-saving designs.
- High Peak Pulse Power Capability: 1500W with a 10/1000 μs waveform, providing robust protection against transients.
- Excellent Clamping Capability: Effective in clamping voltage spikes to protect sensitive electronics.
- Low Inductance: Minimizes the impact of inductive effects in high-frequency applications.
- RoHS-Compliant and AEC-Q101 Qualified: Available in versions that meet automotive and commercial grade standards.
- Wide Operating Temperature Range: -65°C to 150°C, suitable for various environmental conditions.
- Surface Mount Package: DO-214AB (SMC) package, facilitating easy integration into surface mount PCB designs.
Applications
The SM15T22A-E3/57T is designed for use in various applications where protection against voltage transients is crucial. These include:
- Industrial Electronics: Protection against transients induced by inductive load switching and industrial motors.
- Automotive Systems: Used in automotive electronics to protect against voltage spikes and transients.
- Consumer Electronics: Protects sensitive electronics in consumer devices from voltage transients.
- Computer and Telecommunication Systems: Ensures the reliability of signal lines and ICs in computing and telecommunication equipment.
Q & A
- What is the peak pulse power capability of the SM15T22A-E3/57T?
The peak pulse power capability is 1500W with a 10/1000 μs waveform.
- What is the reverse standoff voltage of the SM15T22A-E3/57T?
The reverse standoff voltage is 18.8V.
- What is the breakdown voltage of the SM15T22A-E3/57T?
The breakdown voltage is 20.9V.
- What is the clamping voltage at peak pulse current for the SM15T22A-E3/57T?
The clamping voltage at peak pulse current is 30.6V.
- What is the operating temperature range of the SM15T22A-E3/57T?
The operating temperature range is -65°C to 150°C (TJ).
- What type of package does the SM15T22A-E3/57T come in?
The component comes in a DO-214AB (SMC) package.
- Is the SM15T22A-E3/57T RoHS-compliant and AEC-Q101 qualified?
Yes, it is available in versions that are RoHS-compliant and AEC-Q101 qualified.
- What are the typical applications of the SM15T22A-E3/57T?
It is used in industrial, automotive, consumer electronics, and telecommunication systems to protect against voltage transients.
- What is the peak pulse current rating of the SM15T22A-E3/57T?
The peak pulse current rating is 49A with a 10/1000 μs waveform.
- Does the SM15T22A-E3/57T meet MSL level 1, per J-STD-020?
Yes, it meets MSL level 1, per J-STD-020, with a maximum peak of 260 °C.
