[信息与通信]贴片元件基础知识.ppt

SMT / PTH Component ID(貼片及手插零件確認) Terminology( 術語) Common Terms (常用術語) Through Hole Component (手插件) SMD (Surface Mount Device) (表面帖裝元器件) Terminology (術語) Common Terms (常用術語) Leads (元件腳) Terminations 端頭腳件 Terminology (術語) Common Terms (常用術語) Passive Component (無源器件) – Cannot amplify an electrical signal( 不能放大或轉變信號), such as resistor (電阻). Active Component (有源器件) – Can amplify or interpret a signal. Polarity (极性)= Positive(正极) ( Anode) Negative(負极) (Cathode) Terminology (術語) Common Terms (常用術語) Value (單位) – A numerical quantity given that component Tolerance(誤差) – The variation from the value allowed for that component. Orientation(有向性) = Position Terminology (術語) Common Terms (常用術語) Pin = I/O (Input / Output)(輸入/輸出) Terminology (術語) Through-Hole(插件) Axial Component(軸向插件) Radial Component(徑向插件) Single In-line Package(單列式插件) Dual In-line Package(雙列式插件) Terminology(術語) Surface Mount Component(表面帖裝元件) Termination Component (端頭式引腳元件) Gull-Wing Component(海鷗型引腳元件) J-Lead Component(J型引腳元件) BGA (Ball Grid Arrays)( 球形矩陣式元件) Terminology (術語) Printed Circuit Board (PCB)(印刷電路板) Terminology(術語) Component Reference Designator (CRD)(文字稿) Silkscreen / Legend (絲印) Component (Primary) Side (元件面) Solder (Secondary) Side (焊接面) Through-Hole Axial Radial Capacitor (Non-Polarized(無極性電容) Use:(用途) Energy storage and discharges electricity(儲存和釋放電荷) Class letter (代號): C (non-polarized)(無極性) Value Code(單位): (mF) (微法) Microfarads, (nF) )(納法) Nanofarads, (pF) (皮法) Picrofarads – Printed on the capacitor body. Tolerance(誤差): Printed on capacitor as percentage (e.g. +/-5%) or as letter scheme (e.g. K = +/-10%) Orientation(方向性): None (無) Polarity(極性): None (無) Through-Hole Axial Radial Capacitor (Polarized)(有極性電容) Use(用途): Energy storage and discharges electricity Class letter (代號): C or “+” (By the lead) Value Code(單位): (mF) (微法) Microfarads, (nF)(納法) Nanofarads, (pF)(皮 法) Picrofarads – Printed on the capacitor body or color