Overview
The SMTPA220 is a thyristor surge protection device manufactured by STMicroelectronics. It is part of the Trisil series, designed to protect telecommunication equipment against lightning and transient surges induced by AC power lines. This component is particularly useful in ensuring the reliability and longevity of sensitive electronic systems by absorbing and diverting high-voltage transients.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Rating | 220 VDC |
| Current Rating | 50 A |
| Maximum Operating Temperature | +150°C |
| Minimum Operating Temperature | -40°C |
| Package Type | SMB (Surface Mount Device) |
| Approvals | UL (Underwriters Laboratories) |
Key Features
- High Surge Current Capability: The SMTPA220 can handle high surge currents, making it effective in protecting against lightning and power line transients.
- Bidirectional Protection: It provides protection in both directions, ensuring comprehensive safeguarding of the equipment.
- Compact SMB Package: The surface mount device (SMD) package makes it suitable for modern compact electronic designs.
- Wide Operating Temperature Range: It operates reliably from -40°C to +150°C, making it versatile for various environmental conditions.
Applications
The SMTPA220 is primarily used in the protection of telecommunication equipment, including but not limited to:
- Telephone and data transmission lines
- Network equipment and servers
- Industrial control systems
- Automotive and aerospace electronics
Q & A
- What is the primary function of the SMTPA220? The primary function of the SMTPA220 is to protect telecommunication equipment against lightning and transient surges induced by AC power lines.
- What is the voltage rating of the SMTPA220? The voltage rating of the SMTPA220 is 220 VDC.
- What is the current rating of the SMTPA220? The current rating of the SMTPA220 is 50 A.
- What is the operating temperature range of the SMTPA220? The operating temperature range of the SMTPA220 is from -40°C to +150°C.
- What type of package does the SMTPA220 come in? The SMTPA220 comes in an SMB (Surface Mount Device) package.
- Does the SMTPA220 have any certifications? Yes, the SMTPA220 is certified by UL (Underwriters Laboratories).
- What are some common applications of the SMTPA220? Common applications include protection of telephone and data transmission lines, network equipment, industrial control systems, and automotive and aerospace electronics.
- Is the SMTPA220 bidirectional? Yes, the SMTPA220 provides bidirectional protection.
- Where can I purchase the SMTPA220? The SMTPA220 can be purchased from various electronic component distributors such as STMicroelectronics' eStore, Mouser Electronics, and TME.
- What is the significance of the Trisil series in which the SMTPA220 is categorized? The Trisil series is designed to protect telecommunication equipment against lightning and transient surges, ensuring the reliability and longevity of sensitive electronic systems.
