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TCUU98H222P Datasheet(PDF) 8 Page - Token Electronics Industry Co., Ltd. |
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TCUU98H222P Datasheet(HTML) 8 Page - Token Electronics Industry Co., Ltd. |
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8 / 85 page  Measurements of Fixed Inductors Measurements of Fixed Inductors Measurements of Fixed Inductors Inductance The inductance is measured with a Q-meter, LCR meter or animpedance analyzer. ● Fixed inductors for signals: Use of a Q-meter in which the frequency is for direct readout of the inductance or at the specified frequency. ● Inductors for high current power line circuits: 1kHz or 100kHz. Q Factor The unloaded Q is measured with a Q-meter, LCR meter orimpedance analyzer. The frequency of measurement is that at which the inductance hasbeen measured or at a different frequency as specified. However, forhigh current power line inductors, the resistance is measured andthe Q may be neglected. DCR (DC Resistance), SRF (Self-Resonant Frequency) DCR: A digital multimeter is used for measurement; SRF: Measured with a Q-meter, impedance analyzer or network analyzer. Dielectric Strength For specimen coil, apply 100V DC for 5 seconds between the shielding case and terminals. There should be no damage orabnormalities in the inductor. Maximum Allowable Current The maximum allowable current is a DC Current which causes initialinductance to decrease by 10% or 30%. Or coil temperature to rise by 20°C or 40°C, whichever is smaller. (Reference ambient tem- perature: 20°C) 06 of 83 Version 2010 http://www.token.com.tw/ rfq token.com.tw TOKEN |
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