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TCFGB1C686M8R Datasheet(PDF) 10 Page - Rohm |
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TCFGB1C686M8R Datasheet(HTML) 10 Page - Rohm |
10 / 13 page TCFG Series B Case Tantalum capacitors Rev.D 10/12 (6) Maximum power dissipation Warming of the capacitor due to ripple voltage balances with warming caused by Joule heating and by radiated heat. Maximum allowable warming of the capacitor is to 5 C above ambient temperature. When warming exceeds 5 C, it can damage the dielectric and cause a short circuit. Power dissipation (P) = I 2 R Ripple current P : As shown in table at right R : Equivalent series resistance Notes: 1. Please be aware that when case size is changed, maximum allowable power dissipation is reduced. 2. Maximum power dissipation varies depending on the package. Be sure to use a case which will keep warming within the limits shown in the table below. Allowable power dissipation (W) and maximum temperature rising Case Ambient temp. +25°C +55°C +85°C +125°C 0.080 B case (3528) 0.072 0.064 0.032 5 Max. Temp Rise[ °C] 552 (7) Impedance frequency characteristics (8) ESR frequency characteristics 1 10 100 1000 10000 100000 G475 A case (3216) C105 A case (3216) C335 B case (3528) A105 P case (2012) 1 100 10k 1M 500M 100M FREQUENCY (Hz) Fig.7 1 0.1 10 100 G475 A case (3216) C105 A case (3216) C335 B case (3528) A105 P case (2012) 1 100 10k 1M 500M 100M FREQUENCY (Hz) Fig.8 (9) Temperature characteristics −10 −6 −2 0 2 6 10 −55 25 CAP 120Hz 85 125 TEMPERATURE ( °C) Fig.9 4V −4.7μF A case (3216) 4V −33μF B case (3528) 10V −1μF P case (2012) 0 1 2 3 4 5 −55 25 DF 120Hz 85 125 TEMPERATURE ( °C) Fig.10 4V −4.7μF A case (3216) 4V −33μF B case (3528) 10V −1μF P case (2012) |
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