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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  • Surge Suppressors-Image
    Surge Suppressors - (803 companies)
    Surge suppressors are used to protect equipment from transient over voltages in power, data, and telephone circuits. Description. Surge suppressors are used to protect equipment from transient overvoltages in power, data, and telephone circuits...
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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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  • Telephone Components and Accessories-Image
    Telephone Components and Accessories - (509 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-Image
    Circuit Protection Components - (251 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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    Telecommunications Services Providers - (504 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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    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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    Network Test Equipment - (297 companies)
    Network test equipment is used to test, probe, and analyze telecommunication, network and telephone systems. Network Test Equipment Information. Network test equipment is used to test, probe, and analyze telecommunication, network, and telephone...
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