Surge-resistant precision resistor 'LC2000' for telephone lines and communication equipment!
Achieving both lightning surge resistance and fail-safe functionality! A highly reliable resistor network equipped with overheat protection thermal cut-off and thermistor support.
【Precision Resistors Protecting Communication Lines from Lightning Surges and Abnormal Overheating】 The 'LC2000 Series' from Cadock, USA, is a precision resistor network designed for communication infrastructure applications such as telephone line cards (SLIC), featuring excellent surge resistance characteristics. 【Key Features】 - Lightning Surge & High Precision: Maintains high relative tolerance (0.25% to 1.0%) while withstanding overvoltage from lightning surges. - Fail-Safe Structure: Quickly disconnects during mixed contact (Power Cross) at 120VAC/240VAC/600VRMS to prevent wiring fires. - Spring-Type Thermal Cutoff (Optional): Physically disconnects the circuit during abnormal overheating to protect the board from thermal damage. - Built-in Thermistor Support (Optional): Controls the relay circuit with a temperature sensing element to protect against overload. 【Main Specifications】 - Resistance Pair Values: 24Ω, 30Ω, 40Ω, 50Ω, 100Ω, 200Ω (Customizable) - Relative Tolerance: ±0.25%, ±0.5%, ±1.0% - Compliance Standards: GR-1089-CORE, ITU-T K.20 compliant - Operating Temperature Range: -40℃ to +85℃
- Company:国栄通商
- Price:Other