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    Thin Film Circuit Substrates (RUSUB)

    Thin Film Circuit Substrates (RUSUB)Product Lineup for Impedance Matching

    RUSUB series is specialized for custom-design products.

    Design tool provides you our design possibilities from required dimensions, dielectric constant and capacitance.

    Simple calculation will assist your first drawing!

    Please note that any values calculated here are only for your reference.Please contact us for detailed specifications.

    Design Tool

    Please note that the range of each value is subject to the other values.

    1. Input given W, L and εr.

    1. Please input a value between 0.25 and 7mm for W.
    2. If W is less than 0.38, you can only input a value of W×5 or less for L.
      If W is 0.38 or more, you can input up the smaller value of W×14 or 7mm for L.
    3. Please select from among the five values for the relative permittivity.
    Swipe left or right to change screens View in landscape mode.
    Input order Parameters Input Range
    1 W(mm)
    		0.25～7.00
    2 L(mm)
    		0.25～7.00
    3 εr
    		39,90,125,150,250
    img-center

    2. Input pF

    Please input the given value from the range that is calculated based on the values input above.

    *In case you cannot find the required capacitance in the range, please adjust εr referring to fundamental equation.

    Swipe left or right to change screens View in landscape mode.
    C(pF)
    		～
    img-center
    Check the thickness
    Reset all the values

    3.Check the thickness

    T(μm)
    		100~600

    *Thickness is shown in increments of 1µm.

    Simulation History (Reference value)

    This time Previous
    simulation    		 The last
    simulation
    but one
    W(mm) …… 0
    L(mm) …… 0
    εr …… 0
    C(pF) …… 0
    T(μm) …… 0
    Capacity Temperature Characteristics *1
    (ppm/℃)
    Coefficient of Thermal Expansion*2
    (ppm/℃)
    Temperature Conductivity*2
    (W/m・℃)
    *1) Typical value
    *2) Temperature Range：-25～85°C

    Samples

    • 18 types of standard samples suitable for impedance matching are available.
    • Custom samples are also available upon request.
    Sample requests
    Swipe left or right to change screens View in landscape mode.
    Part Number Capacitance
    (pF)    		 Material
    (εr)    		 Dimensions (mm) Thickness(μm) S-parameters
    RUCS7790A 1 39 1.0×0.5 150 Samples 1pF.s2p
    RUCS7790B 1.5 90 1.0×0.5 230 Samples 1.5pF.s2p
    RUCS7790C 2 90 1.0×0.5 170 Samples 2pF.s2p
    RUCS7790D 2.5 90 1.0×0.5 130 Samples 2.5pF.s2p
    RUCS7790F 3.5 150 1.0×0.5 160 Samples 3.5pF.s2p
    RUCS7790H 4.5 250 1.0×0.5 210 Samples 4.5pF.s2p
    RUCS7791A 6 90 2.0×1.0 215 Samples 6pF.s2p
    RUCS7791C 8 90 2.0×1.0 160 Samples 8pF.s2p
    RUCS7791E 10 150 2.0×1.0 220 Samples 10pF.s2p
    RUCS7791G 12 150 2.0×1.0 180 Samples 12pF.s2p
    RUCS7791I 14 150 2.0×1.0 150 Samples 14pF.s2p
    RUCS7791K 16 150 2.0×1.0 130 Samples 16pF.s2p
    RUCS7791O 20 250 2.0×1.0 180 Samples 20pF.s2p
    RUCS7791Q 30 250 2.0×1.0 115 Samples 30pF.s2p
    RUCS7792B 40 250 3.5×2.0 360 Samples 40pF.s2p
    RUCS7792D 50 250 3.5×2.0 285 Samples 50pF.s2p
    RUCS7792F 70 250 3.5×2.0 200 Samples 70pF.s2p
    RUCS7792H 90 250 3.5×2.0 155 Samples 90pF.s2p

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    1. Electronic Components
    2. Capacitor
    3. Thin Film Circuit Substrates (RUSUB)
    4. Design Tools
    1. HOME
    2. Electronic Components
    3. Capacitor
    4. Thin Film Circuit Substrates (RUSUB)
    5. Design Tools
    6. Product Lineup for Impedance Matching
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