Products/Services for Telephone Varistor

  • Varistors-Image
    Varistors - (176 companies)
    Varistors are voltage-clamping devices that can absorb current without damage. They are typically used in surge protection devices. Varistors are nonlinear two-electrode semiconductor voltage-dependant resistors. The current in a varistor...
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    Board Mount Surge Suppressors - (17 companies)
    ...and telephone circuits. Types. There are a number of different types of surge suppressors. Transient voltage surge suppressors (TVSS) protect against a temporary excess voltage and/or current. Data line and DC signal surge suppressors are designed...
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  • Surge Suppressors-Image
    Surge Suppressors - (796 companies)
    Surge suppressors are used to protect equipment from transient over voltages in power, data, and telephone circuits. Surge suppressors, also known as surge protectors or surge protection devices (SPD), serve as interfaces between a power source...
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  • Metal Oxide Varistors (MOVs)-Image
    Metal Oxide Varistors (MOVs) - (78 companies)
    Metal oxide varistors (MOV) are semiconductors that protect electronic components and systems from transient voltages. Construction and Operation. These clamping devices contain a matrix of zinc oxide grains sandwiched between two metal plates which...
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  • Telephone Components and Accessories-Image
    Telephone Components and Accessories - (502 companies)
    Telephone Components and Accessories Information. Telephone components and telephone accessories are used in telephone systems. There are many different types available when considering a telephone component or phone accessory. Examples of telephone...
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    Circuit Protection Components - (248 companies)
    Silicon carbide varistors are designed for high-power, high-voltage surge arrester application. However, their low impedance values require a series gap to block the normal voltage. Silicon avalanche diodes are often used in low-voltage applications...
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    Telephones and Cellular Phones - (577 companies)
    Telephones and Cellular Phones Information. Telephones and cellular phones convert voice or other sound signals into a form that can be transmitted to another device that receives and reconverts the waves back into sound. Telephones can be corded...
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    Telecommunications Services Providers - (498 companies)
    Telecommunications Services Providers (TSP) Information. Telecommunications services providers (TSP) include local telephone companies, local exchange carriers, and wireless communications services. They allow users of landlines and cell phones...
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    Magnetic Receivers - (5 companies)
    Magnetic receivers use the electromagnetic principle to receive and analyze signals. The simplest of these devices is the telephone. Magnetic receivers use the electromagnetic principle to receive and analyze signals. An electromagnetic principle...
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    VoIP Software - (57 companies)
    VoIP Software Information. VoIP software is used to conduct telephone-like voice conversations across IP-based networks. Voice over IP (VoIP) systems use Internet Protocol (IP) signaling, a general term for a group of telephony technologies...
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