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Vishay has newly added thick-film power resistors certified by EC-Q200 to enhance the protection performance of short transient pulses
Date:August 17, 2025    Views:30

Source: Vishay Author: Vishay

    These devices adopt the chip-type TO-247 package form and can be directly installed on the heat sink. They have a high pulse absorption capacity of up TO 75 J/0.1 s and a high-power heat dissipation capacity of 150 W

    MALVERN, Pennsylvania, USA; Shanghai, China - April 15, 2025 - Recently, Vishay Intertechnology, Inc. (NYSE stock code:) VSH announced that its LTO series of thick-film power resistors has added a new device certified by EC-Q200 -LTO 150H. This product has a higher pulse absorption capacity, up to 75 J/0.1 s. The Vishay Sfernice LTO 150H adopts the clamp-type TO-247 package form and can be directly installed on the heat sink at +45? It can provide a high power heat dissipation of 150 W at the C shell temperature.

    The recently released device adopts a unique design, which enables its energy absorption capacity to be 30% higher than that of the existing LTO series devices, thereby enhancing protection against short transient pulses. Therefore, this device operates more stably in high-pressure environments, reducing the risk of failure while enhancing the overall system reliability. The high-power heat dissipation capacity of LTO 150H and 0.87? The low thermal resistance of C/W further enhances the device's ability to provide stable performance and protect sensitive components, while reducing the number of devices used, thereby saving circuit board space, simplifying layout, and lowering the overall solution cost.
    The operating temperature of LTO 150H can reach +175 °C, and the resistance value range is from 1? to 2.2k? The tolerance is as low as ± 2%. This device can be used as a pre-charging or discharging resistor for controllers, 48 V board grids, BMS, fuel cells, and on-board chargers for hybrid electric vehicles (HEV), electric vehicles (EV), and low-speed electric vehicles. Energy monitoring and metering system Agricultural vehicles and agricultural equipment; Industrial motor drives, welding equipment and power tools; Switches, routers and optical network equipment.
    Resistors that comply with RoHS standards are designed without inductance and can be provided with a bent termination option.
    Samples of LTO 150H are now available and mass production has been achieved. The order cycle is 10 weeks.


Introduction to VISHAY
    Vishay is one of the world's largest manufacturers of discrete semiconductor and passive electronic component series products, which are crucial for innovative designs in the automotive, industrial, computing, consumer, communication, aerospace and medical markets. Serving global customers, Vishay carries The gene of technology - The DNA of tech. . Vishay Intertechnology, Inc. is a Fortune 1,000 company listed on the New York Stock Exchange (VSH).





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