Overview
The SM15T22AHE3/9AT is a Transient Voltage Suppressor (TVS) diode manufactured 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 and surges. The SM15T22AHE3/9AT is particularly suited for applications requiring high reliability and robust protection against inductive load switching and lightning-induced surges.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | SM15T22AHE3/9AT | |
| Manufacturer | Vishay General Semiconductor - Diodes Division | |
| Description | TVS DIODE 18.8VWM 30.6VC SMC | |
| Package / Case | DO-214AB (SMCJ) | |
| Voltage - Reverse Standoff (Typ) | 18.8V | |
| Voltage - Clamping (Max) @ Ipp | 30.6V | |
| Voltage - Breakdown (Min) | 20.9V | |
| Power - Peak Pulse | 1500W (1.5kW) | |
| Current - Peak Pulse (10/1000µs) | 49A | |
| Operating Temperature | -65°C ~ 150°C (TJ) | |
| Mounting Type | Surface Mount |
Key Features
- Low Profile Package: The SM15T22AHE3/9AT comes in a DO-214AB (SMCJ) package, ideal for automated placement and space-saving designs.
- High Peak Pulse Power Capability: With a peak pulse power dissipation of 1500W (1.5kW) for a 10/1000µs waveform, this diode offers robust protection against transient voltages.
- Excellent Clamping Capability: It provides effective clamping of voltage transients, ensuring the protection of sensitive electronic components.
- Low Inductance: The design minimizes inductance, which is crucial for high-frequency applications.
- AEC-Q101 Qualified: Available in versions that meet the AEC-Q101 automotive qualification standard, making it suitable for automotive applications.
- RoHS Compliant and Halogen-Free: The component is RoHS compliant and available in halogen-free versions, aligning with environmental and safety standards.
Applications
The SM15T22AHE3/9AT is used in various applications to protect sensitive electronics from voltage transients and surges. These include:
- Consumer Electronics: Protects ICs, MOSFETs, and signal lines in consumer devices.
- Computer Systems: Safeguards against voltage transients in computer hardware and peripherals.
- Industrial Equipment: Protects against switching transients induced by large coils or industrial motors.
- Automotive Systems: Used in automotive electronics to ensure reliability and protection against transient voltages.
- Telecommunication Systems: Protects signal lines and sensitive components in telecommunication equipment.
Q & A
- What is the primary function of the SM15T22AHE3/9AT?
The primary function of the SM15T22AHE3/9AT is to protect sensitive electronics from voltage transients and surges.
- What is the peak pulse power dissipation of the SM15T22AHE3/9AT?
The peak pulse power dissipation is 1500W (1.5kW) for a 10/1000µs waveform.
- What package type does the SM15T22AHE3/9AT come in?
The component comes in a DO-214AB (SMCJ) package.
- What is the operating temperature range of the SM15T22AHE3/9AT?
The operating temperature range is -65°C to 150°C (TJ).
- Is the SM15T22AHE3/9AT AEC-Q101 qualified?
Yes, it is available in versions that meet the AEC-Q101 automotive qualification standard.
- What are the typical applications of the SM15T22AHE3/9AT?
Typical applications include consumer electronics, computer systems, industrial equipment, automotive systems, and telecommunication systems.
- What is the voltage - reverse standoff (typ) of the SM15T22AHE3/9AT?
The voltage - reverse standoff (typ) is 18.8V.
- What is the voltage - clamping (max) @ Ipp of the SM15T22AHE3/9AT?
The voltage - clamping (max) @ Ipp is 30.6V.
- Is the SM15T22AHE3/9AT RoHS compliant and halogen-free?
Yes, it is RoHS compliant and available in halogen-free versions.
- What is the current - peak pulse (10/1000µs) of the SM15T22AHE3/9AT?
The current - peak pulse (10/1000µs) is 49A.
