Overview
The SMP100LC-8 is a part of the SMP100LC series, a line of low capacitance transient surge arrestors designed by STMicroelectronics for the protection of high data rate communication equipment. These devices are engineered to protect sensitive equipment from lightning strikes and AC power faults, ensuring compliance with stringent industry standards such as Telcordia GR1089, ITU-T K20/K21, IEC 61000-4-5, and UL60950. The low capacitance of the SMP100LC-8 avoids signal distortion, making it compatible with digital transmission line cards like xDSL and ISDN.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage Range | 8 V to 400 V | V |
| Low Capacitance | 20 pF to 45 pF @ 2 V | pF |
| Leakage Current (IR) | 2 μA max | μA |
| Holding Current (IH) | 150 mA min | mA |
| Repetitive Peak Pulse Current (IPP) | 100 A (10/1000 μs) | A |
| Package Type | JEDEC registered (DO-214AA) | |
| Epoxy Rating | UL94, V0 | |
| Storage Temperature Range | -55 to 150 °C | °C |
| Operating Junction Temperature Range | -40 to 150 °C | °C |
Key Features
- Bidirectional Crowbar Protection: Provides protection in both directions.
- Low Capacitance: From 20 pF to 45 pF @ 2 V, ensuring minimal signal distortion.
- Low Leakage Current: Maximum leakage current of 2 μA.
- Holding Current: Minimum holding current of 150 mA.
- Repetitive Peak Pulse Current: Up to 100 A (10/1000 μs).
- Fail-Safe Mode: Devices are not subject to ageing and provide a fail-safe mode in short circuit for better protection.
- Compliance with Industry Standards: Meets standards such as UL60950, IEC 950 / CSA C22.2, and UL1459.
- Epoxy and Package Compliance: Epoxy meets UL94, V0, and the package is JEDEC registered (DO-214AA).
Applications
The SMP100LC-8 is designed for the protection of sensitive equipment in high data rate communication systems. It is particularly suitable for:
- Central Office Protection: Complies with the most stressful standards, making it ideal for central office equipment.
- xDSL and ISDN Line Cards: Low capacitance ensures compatibility with digital transmission line cards.
- Lightning and AC Power Fault Protection: Protects against lightning strikes and AC power faults, ensuring the integrity of the communication equipment.
- Analog and Digital Wire Line Applications: Used in both central office and subscriber sides to protect against short duration surges.
Q & A
- What is the primary function of the SMP100LC-8?
The primary function of the SMP100LC-8 is to protect high data rate communication equipment from transient surges and lightning strikes.
- What is the voltage range of the SMP100LC-8?
The voltage range of the SMP100LC-8 is from 8 V to 400 V.
- What is the typical capacitance of the SMP100LC-8?
The typical capacitance is from 20 pF to 45 pF @ 2 V.
- What is the maximum leakage current of the SMP100LC-8?
The maximum leakage current is 2 μA.
- What is the holding current of the SMP100LC-8?
The minimum holding current is 150 mA.
- What is the repetitive peak pulse current of the SMP100LC-8?
The repetitive peak pulse current is up to 100 A (10/1000 μs).
- Does the SMP100LC-8 comply with industry standards?
Yes, it complies with standards such as UL60950, IEC 950 / CSA C22.2, and UL1459.
- What is the package type of the SMP100LC-8?
The package type is JEDEC registered (DO-214AA).
- What is the epoxy rating of the SMP100LC-8?
The epoxy meets UL94, V0.
- What are the typical applications of the SMP100LC-8?
It is used in central office protection, xDSL and ISDN line cards, and for protecting against lightning and AC power faults.
