Overview
The SMP100LC-90 is a low capacitance transient surge arrestor designed by STMicroelectronics for the protection of high data rate communication equipment. This device is part of the SMP100LC series, which is specifically tailored to protect sensitive equipment against lightning strikes and AC power faults. The SMP100LC-90 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 Continuous Reverse Voltage) | 81 | V |
| VBO (Breakover Voltage) | 90 | V |
| IH (Holding Current) | 150 mA (min) | mA |
| IPP (Repetitive Peak Pulse Current) | 100 A (10/1000 μs) | A |
| IR (Leakage Current) | 2 μA (max) | μA |
| C (Capacitance) | 40 pF @ 2 V | pF |
| Directionality | Bi-Directional | |
| Package | SMB (JEDEC DO-214AA) | |
| Operating Temperature Range | -40 to 150 °C | °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
- 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 recognized
Applications
The SMP100LC-90 is designed for the protection of sensitive equipment in high data rate communication systems. It is particularly suitable for central office protection and is compatible with digital transmission line cards such as xDSL and ISDN. These devices are also used in wire line applications, both analog and digital, on both central office and subscriber sides.
Q & A
- What is the primary function of the SMP100LC-90?
The primary function of the SMP100LC-90 is to protect high data rate communication equipment against lightning strikes and AC power faults. - What is the maximum continuous reverse voltage (VRM) of the SMP100LC-90?
The maximum continuous reverse voltage (VRM) of the SMP100LC-90 is 81 V. - What is the breakover voltage (VBO) of the SMP100LC-90?
The breakover voltage (VBO) of the SMP100LC-90 is 90 V. - What is the holding current (IH) of the SMP100LC-90?
The holding current (IH) of the SMP100LC-90 is 150 mA (min). - What is the repetitive peak pulse current (IPP) of the SMP100LC-90?
The repetitive peak pulse current (IPP) of the SMP100LC-90 is 100 A (10/1000 μs). - What is the leakage current (IR) of the SMP100LC-90?
The leakage current (IR) of the SMP100LC-90 is 2 μA (max). - What is the capacitance of the SMP100LC-90?
The capacitance of the SMP100LC-90 is 40 pF @ 2 V. - Is the SMP100LC-90 bi-directional?
Yes, the SMP100LC-90 is bi-directional. - What package type does the SMP100LC-90 use?
The SMP100LC-90 uses the SMB (JEDEC DO-214AA) package. - What are the operating temperature ranges for the SMP100LC-90?
The operating temperature range for the SMP100LC-90 is -40 to 150 °C.
