V2EX through-hole

Through-hole

释义 Definition

通孔;贯穿孔(PCB/电子制造术语):指在印制电路板(PCB)上贯穿板材厚度的孔,用于让元器件引脚穿过并焊接(常见于 through-hole technology, THT:通孔插件工艺)。在更一般的语境里,也可指“穿透材料的孔洞”。

发音 Pronunciation

/θru hol/

例句 Examples

The resistor is mounted using a through-hole.
这个电阻使用通孔(插件)方式安装。

In high-reliability designs, engineers may prefer through-hole parts because the leads pass through the board and can form stronger solder joints.
在高可靠性设计中,工程师可能更偏好通孔元件,因为引脚穿过电路板,往往能形成更牢固的焊点。

词源 Etymology

through(穿过)+ hole(孔) 组合而成的复合词,字面意思就是“穿过去的孔”。其中 through 可追溯到古英语 urh(穿过),hole 源自古英语 hol(洞、空穴)。

相关词 Related Words

文学与著作 Literary Works

  • The Art of Electronics(《电子学的艺术》)讨论元器件装配时常对比通孔与贴片(SMT)方案。
  • Printed Circuits Handbook(《印制电路板手册》)涉及通孔、镀通孔与相关工艺规范。
  • High-Speed Digital Design: A Handbook of Black Magic(《高速数字设计》)在PCB结构与互连讨论中会提及通孔/过孔对电性能的影响。
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