Overview
The SMTPA100, produced by STMicroelectronics, is a part of the Trisil series designed to protect telecommunication equipment against lightning and transient surges induced by AC power lines. This component is a bi-directional TVS (Transient Voltage Suppressor) thyristor that offers robust surge protection capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | SMTPA100 |
| Package | SMB, DO-214AA |
| VRM (V) (max) | 90 V |
| Repetitive Peak Pulse Current (IPP) | 50 A (10/1000μs) |
| Holding Current (IH) | 150 mA min |
| Leakage Current (IR) | 2 μA max |
| Capacitance | 12 pF to 20 pF @ 50 V |
| Directionality | Bi-Directional |
| Operating Temperature (°C) | -40 to 150 |
| RoHS Compliance | Ecopack2 |
Key Features
- Bi-directional crowbar protection
- Low capacitance from 12 pF to 20 pF @ 50 V
- High repetitive peak pulse current of 50 A (10/1000μs)
- Low leakage current of 2 μA max
- Fail-safe mode in short circuit for better protection
- Not subject to ageing
Applications
The SMTPA100 is primarily used to protect telecommunication equipment, including but not limited to, telephone lines, data transmission lines, and other sensitive electronic devices from lightning and transient surges. It is also suitable for use in industrial and commercial applications where robust surge protection is required.
Q & A
- What is the primary function of the SMTPA100?
The primary function of the SMTPA100 is to protect telecommunication equipment against lightning and transient surges induced by AC power lines. - What is the maximum repetitive peak pulse current of the SMTPA100?
The maximum repetitive peak pulse current is 50 A (10/1000μs). - What is the holding current of the SMTPA100?
The holding current is 150 mA min. - What is the leakage current of the SMTPA100?
The leakage current is 2 μA max. - What are the package options for the SMTPA100?
The package options are SMB and DO-214AA. - Is the SMTPA100 bi-directional?
Yes, the SMTPA100 is bi-directional. - What is the operating temperature range of the SMTPA100?
The operating temperature range is -40 to 150°C. - Is the SMTPA100 RoHS compliant?
Yes, the SMTPA100 is RoHS compliant with an Ecopack2 grade. - What are the typical applications of the SMTPA100?
The typical applications include protection of telecommunication equipment, telephone lines, data transmission lines, and other sensitive electronic devices. - Does the SMTPA100 age over time?
No, the SMTPA100 is not subject to ageing.
