Overview
The SMTPA130, produced by STMicroelectronics, is a component of the Trisil series designed to protect telecommunication equipment against lightning and transient surges induced by AC power lines. These devices are available in SMA, SMB, and DO-15 packages, ensuring versatility in various applications.
The Trisil series, including the SMTPA130, offers robust protection features that help equipment meet various industry standards such as UL1950, IEC950 / CSA C22.2, UL1459, and FCC part 68. These devices are known for their fail-safe mode in short circuit conditions and are not subject to ageing, providing reliable long-term protection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Part Number | SMTPA130 | |
| Package | SMB | |
| VRM (V) (max) | 117 | V |
| Directionality | Bidirectional | |
| Repetitive Peak Pulse Current (IPP) | 50 A (10/1000 μs) | A |
| Holding Current (IH) | 150 mA min | mA |
| Leakage Current (IR) | 2 μA max | μA |
| Capacitance | 12 pF to 20 pF @ 50 V | pF |
| Operating Temperature (°C) | -40 to 125 | °C |
Key Features
- Bidirectional Crowbar Protection: Provides protection in both directions, ensuring comprehensive surge protection.
- Low Capacitance: Ranges from 12 pF to 20 pF at 50 V, minimizing the impact on high-frequency signals.
- Low Leakage Current: Maximum leakage current of 2 μA, reducing power consumption and heat generation.
- Fail-Safe Mode: Devices are not subject to ageing and provide a fail-safe mode in short circuit conditions for enhanced reliability.
- Compliance with Industry Standards: Meets standards such as UL1950, IEC950 / CSA C22.2, UL1459, and FCC part 68.
- UL94 V0 Approved Resin: Ensures high-quality and safe operation.
Applications
- Telecommunication Equipment: Protects analog and digital line cards (xDSL, T1/E1, ISDN, etc.) and terminals (phone, fax, modem) as well as central office equipment.
- Lightning and Transient Protection: Designed to safeguard against surges induced by AC power lines and lightning strikes.
- Industrial and Commercial Use: Suitable for various industrial and commercial applications requiring robust surge protection.
Q & A
- What is the primary function of the SMTPA130?
The primary function of the SMTPA130 is to protect telecommunication equipment against lightning and transient surges induced by AC power lines.
- What package types are available for the SMTPA130?
The SMTPA130 is available in SMA, SMB, and DO-15 packages.
- What is the maximum repetitive peak pulse current for the SMTPA130?
The maximum repetitive peak pulse current for the SMTPA130 is 50 A (10/1000 μs).
- What is the holding current for the SMTPA130?
The holding current for the SMTPA130 is 150 mA minimum.
- What is the leakage current for the SMTPA130?
The leakage current for the SMTPA130 is 2 μA maximum.
- What is the capacitance range for the SMTPA130?
The capacitance range for the SMTPA130 is from 12 pF to 20 pF at 50 V.
- Does the SMTPA130 meet any industry standards?
Yes, the SMTPA130 meets standards such as UL1950, IEC950 / CSA C22.2, UL1459, and FCC part 68.
- What is the operating temperature range for the SMTPA130?
The operating temperature range for the SMTPA130 is -40°C to 125°C.
- Is the SMTPA130 subject to ageing?
No, the SMTPA130 is not subject to ageing and provides a fail-safe mode in short circuit conditions.
- What types of equipment can the SMTPA130 protect?
The SMTPA130 can protect telecommunication equipment such as analog and digital line cards, terminals, and central office equipment.
