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參數(shù)資料
| 型號(hào)： | PS2603L |
| 廠商： | NEC Corp. |
| 英文描述： | Optocoupler Applications |
| 中文描述： | 光耦應(yīng)用 |
| 文件頁(yè)數(shù)： | 22/38頁(yè) |
| 文件大小： | 223K |
| 代理商： | PS2603L |
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Optocoupler Structure
Figure 1 shows the internal perspective view of a PS2500 optocoupler and Figure 2 shows the sectional view of the optocoupler.
Figure 2 below shows the optocoupler in a light-tight epoxy resin housing, and a light-sensitive element (phototransistor or photo
Darlington transistor) with light-transmittable epoxy resin medium between them. A light signal emitted by the LED is transferred
to the photosensitive transistor via the internal resin medium.
Both the housing resin and the internal resin have the same expansion coefficient. Namely, the optocoupler elements are molded
twice with epoxy resin. (This structure is referred to as a double molding structure.)
The high isolation voltage is obtained by the long adjacent area of the inner and outer resins (inner boundary) and identical
expansion coefficient of the inner and outer resins (eliminating arc discharges on the inner boundary).
Figure 1. Internal perspective view of optocoupler
Outer resin (Black)
Inner resin (White)
Inner boundary
Figure 2. Sectional view of optocoupler
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PS2604 | Optocoupler Applications |
| PS2604L | Optocoupler Applications |
| PS2602 | Optocoupler Applications |
| PS2602L | Optocoupler Applications |
| PS2605 | Optocoupler Applications |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PS2604 | 制造商:California Eastern Laboratories (CEL) 功能描述:6pin DIP,Darlington Tr, DC, Coupler |
| PS2604L | 制造商:NEC 制造商全稱:NEC 功能描述:Optocoupler Applications |
| PS2605 | 制造商:California Eastern Laboratories (CEL) 功能描述:6pin DIP,Single Tr, AC, Base, Coupler |
| PS2605L | 制造商:NEC 制造商全稱:NEC 功能描述:Optocoupler Applications |
| PS2606 | 制造商:NEC 制造商全稱:NEC 功能描述:Optocoupler Applications |
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