普通的二極管由PN結(jié)組成。在P和N半導(dǎo)體材料之間加入一薄層低摻雜的本征(Intrinsic)半導(dǎo)體層,組成的這種P-I-N結(jié)構(gòu)的二極管就是PIN 二極管。因為本征半導(dǎo)體近似于介質(zhì),這就相當(dāng)于增大了P-N結(jié)結(jié)電容兩個電極之間的距離,使結(jié)電容變得很小。其次,P型半導(dǎo)體和N型半導(dǎo)體中耗盡層的寬度是隨反向電壓增加而加寬的,隨著反偏壓的增大,結(jié)電容也要變得很小。
PIN 二極管應(yīng)用很廣泛,從低頻到高頻的應(yīng)用都有,主要用在RF領(lǐng)域,用作RF 開關(guān)和RF保護電路,也有用作光電二極管(PhotoDiode)。
國創(chuàng)PIN二極管型號如下:
WI0001HA | WI0001HB | WI0002 | WI0003 | WI0004 |
WI0004F | WI0005 | WI0005F | WI0006 | WI0006F |
WI0007H | WI0009H | WI0010H | WI0011 | WI0012H |
WI0013H | WI3211 | WI3212 | WI3213 | WI3221 |
WI3222 | WI3223 | WI3311 | WI3312 | WI3321 |
WI3322 | WI341 | WI342 | WI371 | WI372 |
WK0001H | WK0002A | WK0002B | WK0003 | WK0004 |
WK311A | WK311B | WK312A | WK312B | WK313A |
WK313B | WK314A | WK314B | WK351 | WK352 |
WK361 | WK362 | WK39H | WK4153H | WP0001HA |
WP0001HB | WP0001HC | WP0001HD | WP0001HE | WP0002A |
WP0002B | WP0003 | WP0007 | WP0008H | WP0009H |
WP0010H | WP0011A | WP0011B | WP0011C | WP0011D |
WP0011E | WP0011F | WP0011G | WP0012A | WP0012B |
WP0012C | WP0012D | WP0012E | WP0013H | WP0014H |
WP014 | WP321 | WP322 | WP323 | WP324 |
WP325 | WP32X | WP341 | WP342 | WP351 |
WP352 | WP361 | WP362 | WP3861 | WP3862 |
WP3863 | WP47A | WP47B | WP49 |
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