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For example, a metric 2520 component is 2.5 mm by 2.0 mm which corresponds roughly to 0.10 inches by 0.08 inches (hence, imperial size is 1008). Exceptions occur for imperial in the two smallest rectangular passive sizes. The metric codes still represent the dimensions in mm, even though the imperial size codes are no longer aligned.
IEC/EN 60384-20—Fixed metallized polyphenylene sulfide film dielectric surface mount d.c. capacitors; IEC/EN 60384-23—Fixed metallized polyethylene naphthalate film dielectric chip d.c. capacitors; Electrolytic capacitors. IEC/EN 60384-3—Surface mount fixed tantalum electrolytic capacitors with manganese dioxide solid electrolyte
Surface-mount components on a USB flash drive's circuit board. The small rectangular chips with numbers are resistors, while the unmarked small rectangular chips are capacitors. The capacitors and resistors pictured are 0603 (1608 metric) package sizes, along with a very slightly larger 0805 (2012 metric) ferrite bead.
Tantalum capacitors in different styles: axial, radial and SMD-chip versions (size comparison with a match) 10 μF 30 VDC-rated tantalum capacitors, solid electrolyte epoxy-dipped style. A tantalum electrolytic capacitor is an electrolytic capacitor, a passive component of electronic circuits.
The minimum thickness of the dielectric layer, which today (2013) for low voltage capacitors is in the size range of 0.5 micrometers [3] is limited downwards by the grain size of the ceramic powder. The thickness of the dielectric for capacitors with higher voltages is determined by the dielectric strength of the desired capacitor.
Fixed metallized polyethylene-terephthalate film dielectric surface mount d.c. capacitors: IEC/EN 60384-20: PPS: metallized: SMD: DC: Fixed metallized polyphenylene sulfide film dielectric surface mount d.c. capacitors: IEC/EN 60384-23: PEN: metallized: SMD: DC: Fixed metallized polyethylene naphthalate film dielectric chip d.c. capacitors
Tantalum electrolytic capacitors, usually used in the SMD (surface-mount device) version, have a higher specific capacitance than the aluminium electrolytic capacitors and are used in devices with limited space or flat design such as laptops. They are also used in military technology, mostly in axial style, hermetically sealed.
Electronic color code – color-code used to indicate the values of axial electronic components, such as resistors, capacitors, inductors, diodes (also see IEC 60062) Geometric progression; Preferred number; Renard series – used for current rating of electric fuses