Special Power Type Film Resistor 'RSPF/RSPL'
Special power type film resistor
【High Reliability and Flame Retardant UL94V-0 Compliant】Special Power Type Coated Resistors | Achieving Expanded Resistance Value Range and Safety Design for Metal Oxide Resistors
"Expanding the upper resistance value range of metal oxide resistors. A power-type resistor that enhances the safety of power circuits and the flexibility of circuit board design." This is a special power-type film resistor developed for power supply and power conversion circuits that require high reliability. It enables circuit designs in resistance value ranges that were difficult to select with conventional products. 'RSPF/RSPL' Features: - "Covers the upper resistance values compatible with metal oxide resistors (RSF)" Supports high resistance range (RSPF) and low resistance range (RSPL) that exceed the upper resistance values of the RSF series. - "Flame-retardant UL94V-0 compliant exterior" Adopts a non-flammable coating that is difficult to ignite or glow even in the event of overload or abnormal heating, improving circuit safety. - "Supports a variety of self-supporting processing and taping" Widely compatible with kink processing for self-insertion into circuit boards and radial/axial taping for automatic mounting machines. - "Wide range of rated power lineup" Available from a compact size of 0.25W to a large capacity size of 3W, allowing flexible component selection according to circuit power requirements. - "Environmentally friendly and high durability design" Complies with RoHS directives. Maintains excellent electrical and structural reliability with insulation resistance over 1000MΩ and withstand voltage (up to 600Vac). *For requests for catalogs and specifications, please access the URL below.
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basic information
Environmental and safety standards: Compliant with RoHS Directive, flame-retardant exterior paint UL94V-0 compliant Rated power: 0.25W to 3.0W Maximum operating voltage: 250 V to 500V (standard RSPF) Maximum overload voltage: 500V to 1,000V (standard RSPF) Resistance value range (RSPF: standard): 2.2 Ω to 1.0MΩ (E24, E96 series, tolerance ±1%, ±2%, ±5%) Resistance value range: (RSPL: low resistance) 0.1 Ω to 2.0 Ω (E24 series, tolerance ±5%) Operating temperature range: -55 ℃ to +155 ℃ Resistance temperature coefficient: (T.C.R.) -650 to +350ppm/℃ Dimensions (L: length) 3.2 (+0.2/-0.0)mm to 15.0 (±1.0)mm Dimensions (D: diameter) 1.82 (±0.2)mm to 5.5 (±1.0)mm Lead wire diameter (ϕd) 0.45 (±0.05)mm to 0.8 (±0.05)mm Electrical reliability: Insulation resistance: ≧1,000 MΩ, overload (short time): ≦±(0.75%+0.05Ω), durability (70℃ 1000h): ≦±(5.0%+0.05Ω) *Catalogs and specifications can be found at the URL below.
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Applications/Examples of results
It is widely used in power supply and power conversion devices in general, where there is a large power load and high safety is required. • Power supply and power conversion devices o Various circuits on the primary and secondary sides of switching power supplies (SMPS) o Current limiting, voltage division, and bleeder circuits of AC adapters o Control and power lines of inverter circuits • Industrial and FA equipment o Power control units for motor drives, PLCs, and general-purpose inverters o Industrial controllers that require high reliability and environmental resistance • Home appliances and consumer devices o Main power supply boards for white goods (air conditioners, washing machines, IH cookers, etc.) o Safety measures in various chargers and power management boards *Requests for catalogs and specifications can be accessed from the above URL.
Company information
Our company has developed as a specialized manufacturer of electronic parts, specifically resistors, in an environment overlooking the Central and Southern Alps. Since our establishment in 1960, we have upheld the management philosophy of "creating reliable, high-quality, valuable products to contribute to society," and based on our extensive experience and achievements, we manufacture and sell numerous excellent products: resistors. In the rapidly evolving electrical and electronics industry, we strive for continuous research and development, equipped with both "speed and flexibility" to adapt to the changing times.
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