Overview
The SMP30-270, produced by STMicroelectronics, is a member of the SMP30 series of Thyristor Surge Suppressors (Trisils). These devices are designed to protect telecommunication equipment against lightning and transient surges induced by AC power lines. The SMP30-270 is packaged in a SMA (DO-214AC) package, which is JEDEC registered and optimized for surface mount applications.
This component is part of a family that offers bidirectional crowbar protection, making it suitable for a wide range of telecommunication equipment. The SMP30-270 is RoHS compliant and comes in an Ecopack2 package, ensuring environmental compliance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Stand-off Voltage (VRM) | 243 | V |
| Breakover Voltage (VBO) | 270 | V |
| Holding Current (IH) | 150 mA (min.) | mA |
| Repetitive Peak Pulse Current (IPP) | 30 A (10/1000 µs) | A |
| Leakage Current (IR) | 2 µA (max.) | µA |
| Capacitance (C) | 10-20 pF (typ. @ 50 V) | pF |
| Storage Temperature Range | -55 to +150 | °C |
| Maximum Junction Temperature | 150 | °C |
| Maximum Lead Temperature for Soldering | 260 | °C |
Key Features
- Bidirectional Crowbar Protection: Provides protection against both positive and negative surges.
- Low Capacitance: From 10 pF to 20 pF typical 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: In the event of a surge, the device acts as a short circuit, ensuring safe operation.
- Compliance with Standards: Meets various standards such as UL1950, IEC950 / CSA C22.2, UL1459, and FCC Part 68.
- UL94 V0 Approved Resin: Ensures high safety standards against flammability.
- ECOPACK2 Package: Lead-free and RoHS compliant, meeting environmental regulations.
Applications
- Analog and Digital Line Cards: Suitable for xDSL, T1/E1, ISDN, and other telecommunication line cards.
- Terminals and Central Office Equipment: Protects phone, fax, modem, and central office equipment from surges.
Q & A
- What is the primary function of the SMP30-270?
The SMP30-270 is designed to protect telecommunication equipment against lightning and transient surges induced by AC power lines.
- What is the stand-off voltage of the SMP30-270?
The stand-off voltage (VRM) of the SMP30-270 is 243 V.
- What is the holding current of the SMP30-270?
The holding current (IH) of the SMP30-270 is 150 mA minimum.
- What is the repetitive peak pulse current of the SMP30-270?
The repetitive peak pulse current (IPP) of the SMP30-270 is 30 A (10/1000 µs).
- Is the SMP30-270 RoHS compliant?
- What standards does the SMP30-270 comply with?
The SMP30-270 complies with various standards including UL1950, IEC950 / CSA C22.2, UL1459, and FCC Part 68.
- What is the maximum junction temperature of the SMP30-270?
The maximum junction temperature (Tj) of the SMP30-270 is 150 °C.
- What is the storage temperature range of the SMP30-270?
The storage temperature range of the SMP30-270 is -55 to +150 °C.
- What type of package does the SMP30-270 use?
The SMP30-270 is packaged in a SMA (DO-214AC) package.
- What are some common applications of the SMP30-270?
The SMP30-270 is commonly used in analog and digital line cards, terminals, and central office equipment in telecommunication systems.
