Overview
The SM15T22A-E3/9AT 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.
These diodes are characterized by their high peak pulse power capability, low profile package, and suitability for automated placement, making them ideal for various industrial, automotive, and consumer applications.
Key Specifications
| Product Attribute | Attribute Value |
|---|---|
| Manufacturer | Vishay General Semiconductor - Diodes Division |
| Voltage - Reverse Standoff (Typ) | 22.2V |
| Voltage - Clamping (Max) @ Ipp | 31.4V |
| Voltage - Breakdown (Min) | 24.7V |
| Unidirectional Channels | 1 |
| Type | Zener |
| Supplier Device Package | DO-214AB (SMCJ) |
| Series | SM15T, TransZorb® |
| Power - Peak Pulse | 1500W (1.5kW) |
| Package / Case | DO-214AB, SMC |
| Package | Tape & Reel (TR) |
| Operating Temperature | -65°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Current - Peak Pulse (10/1000µs) | 71A |
| RoHs Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Key Features
- Low Profile Package: Ideal for automated placement and compact designs.
- High Peak Pulse Power Capability: 1500 W with a 10/1000 µs waveform, providing robust protection against transients.
- Glass Passivated Chip Junction: Ensures reliable and stable performance.
- Excellent Clamping Capability: Effective in clamping voltage transients to safe levels.
- Low Inductance: Minimizes the impact of inductive effects in high-frequency applications.
- AEC-Q101 Qualified: Available for automotive applications, ensuring high reliability and performance under stringent conditions.
- Compliance with Standards: Meets MSL level 1, per J-STD-020, and is ROHS3 compliant.
Applications
The SM15T22A-E3/9AT is widely used in various applications to protect sensitive electronics from voltage transients. These include:
- Industrial Equipment: Protection against transients induced by inductive load switching and large motors.
- Automotive Systems: Used in automotive electronics to protect against voltage spikes and transients.
- Consumer Electronics: Protects ICs, MOSFETs, and signal lines in consumer devices.
- Computer and Telecommunication Systems: Ensures the reliability of electronic components in computing and telecommunication equipment.
Q & A
- What is the peak pulse power capability of the SM15T22A-E3/9AT?
The peak pulse power capability is 1500 W with a 10/1000 µs waveform.
- What is the typical reverse standoff voltage for this diode?
The typical reverse standoff voltage is 22.2V.
- What is the maximum clamping voltage at Ipp for this diode?
The maximum clamping voltage at Ipp is 31.4V.
- What is the operating temperature range for the SM15T22A-E3/9AT?
The operating temperature range is -65°C to 150°C (TJ).
- Is the SM15T22A-E3/9AT RoHS compliant?
Yes, it is ROHS3 compliant.
- What is the moisture sensitivity level (MSL) of this component?
The MSL is level 1, per J-STD-020.
- Is the SM15T22A-E3/9AT suitable for automotive applications?
Yes, it is AEC-Q101 qualified for automotive use.
- What type of package does the SM15T22A-E3/9AT come in?
The component comes in a DO-214AB (SMCJ) package.
- What is the peak pulse current rating for this diode?
The peak pulse current rating is 71A with a 10/1000 µs waveform.
- What are the typical applications for the SM15T22A-E3/9AT?
Typical applications include protection in industrial, automotive, consumer, and telecommunication systems.
