Overview
The SMP100LC-400 is a low capacitance transient surge arrestor designed by STMicroelectronics for the protection of high data rate communication equipment. This component is part of the SMP100LC series, which is specifically tailored to protect against lightning strikes and AC power faults in telecommunications equipment. The SMP100LC-400 ensures minimal signal distortion due to its low capacitance, making it compatible with digital transmission line cards such as xDSL and ISDN.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRM (Maximum Stand-off Voltage) | 400 | V |
| VBO (Breakover Voltage) | 530 | V |
| IPP (Repetitive Peak Pulse Current, 10/1000 µs) | 100 | A |
| IH (Holding Current) | 150 | mA |
| IR (Leakage Current at VRM) | 2 | µA |
| C (Capacitance at 2 V, 1 MHz) | 20-45 | pF |
| Directionality | Bi-Directional | |
| Operating Temperature Range | -40 to 150 | °C |
| Storage Temperature Range | -55 to 150 | °C |
Key Features
- Bidirectional crowbar protection
- Low capacitance from 20 pF to 45 pF @ 2 V to avoid signal distortion
- Low leakage current: IR = 2 µA max
- Holding current: IH = 150 mA min.
- Repetitive peak pulse current: IPP = 100 A (10/1000 µs)
- Trisils are not subject to ageing and provide a fail-safe mode in short circuit for better protection
- Epoxy meets UL94, V0 standards
- Package is JEDEC registered (DO-214AA)
Applications
The SMP100LC-400 is designed for protecting sensitive equipment against lightning strikes and AC power faults, particularly in telecommunications. It is suitable for central office protection and is compatible with digital transmission line cards such as xDSL and ISDN. These devices are also used in wireline applications, both on the central office and subscriber sides, to protect against short-duration surges.
Q & A
- What is the primary function of the SMP100LC-400?
The primary function of the SMP100LC-400 is to protect high data rate communication equipment against transient surges and lightning strikes. - What is the maximum stand-off voltage of the SMP100LC-400?
The maximum stand-off voltage (VRM) of the SMP100LC-400 is 400 V. - What is the breakover voltage of the SMP100LC-400?
The breakover voltage (VBO) of the SMP100LC-400 is approximately 530 V. - What is the repetitive peak pulse current rating of the SMP100LC-400?
The repetitive peak pulse current (IPP) rating of the SMP100LC-400 is 100 A (10/1000 µs). - Is the SMP100LC-400 bidirectional?
Yes, the SMP100LC-400 provides bidirectional protection. - What standards does the SMP100LC-400 comply with?
The SMP100LC-400 complies with standards such as GR-1089 Core, ITU-T K20/K21, IEC 61000-4-5, IEC 61000-4-2 level 4, TIA/EIA IS-968, and UL497B. - What is the operating temperature range of the SMP100LC-400?
The operating temperature range of the SMP100LC-400 is -40 to 150 °C. - What is the storage temperature range of the SMP100LC-400?
The storage temperature range of the SMP100LC-400 is -55 to 150 °C. - Is the SMP100LC-400 RoHS compliant?
Yes, the SMP100LC-400 is RoHS compliant with an Ecopack2 grade. - What type of package does the SMP100LC-400 use?
The SMP100LC-400 uses a JEDEC registered DO-214AA package.
