肖特基勢壘二極體SBD（Schottky Barrier Diode，簡稱肖特基二極體）是近年來間世的低功耗、大電流、超高速半導體器件。其反向恢復時間極短（可以小到幾納秒），正嚮導通壓降僅0.4V左右，而整流電流卻可達到幾千安培。這些優良特性是快恢復二極體所無法比擬的。中、小功率肖特基整流二極體大多採用封裝形式。
基本原理是：在金屬（例如鉛）和半導體（N型矽片）的接觸面上，用已形成的肖特基來阻擋反向電壓。肖特基與PN結的整流作用原理有根本性的差異。其耐壓程度只有40V左右。其特長是：開關速度非常快：反向恢復時間特別地短。因此，能製作開關二極和低壓大電流整流二極體。
常用的有引線式肖特基二極體有D80-004、B82-004、MBR1545、MBR2535等型號，各管的主要參數見表4-43。
常用的表面封裝肖特基二極體有FB系列，其主要參數見表4-44。
| IF | VR | ||||||
| 1.0A | 50V | 100V | 200V | 400V | 600V | 800V | 1000V |
| 1N4933 | 1N4934 | 1N4935 | 1N4936 | 1N4937 | |||
| 1N4933G | 1N4934G | 1N4935G | 1N4936G | 1N4937G | |||
| BA157 | BA159 | BA159D | BA159 | ||||
| DSH6 | |||||||
| ERB4302 | ERB4304 | ERB4306 | ERB4308 | ||||
| ERB4402 | ERB4404 | ERB4406 | ERB4408 | ERB4410 | |||
| ES1Z | ES1 | ES1A | |||||
| EU01Z | EU01 | EU01A | EU01B | EU01C | |||
| EU1Z | EU1 | EU1A | EU1B | EU1C | |||
| EU02Z | EU02 | EU02A | |||||
| EU2Z | EU2 | EU2A | |||||
| FR101 | FR102 | FR103 | FR104 | FR105 | FR106 | FR107 | |
| FR101G | FR102G | FR103G | FR104G | FR105G | FR106G | FR107G | |
| MPG06A | MPG06B | MPG06D | MPG06G | MPG06J | MPG06K | MPG06M | |
| RGP10A | RGP10B | RGP10D | RGP10G | RGP10J | RGP10K | RGP10M | |
| RU1 | RU1A | RU1B | RU1C | ||||
| S5295B | S5295G | S5295J | |||||
| TVR1B | TVR1D | TVR1G | TVR1J | S5295B | |||
| TVR2B | TVR2D | TVR2G | TVR2J | ||||
| TVR10G | TVR06J | ||||||
| TVR5B | TVR5D | TVR5G | TVRGJ | ||||
| 1.5A | 1S1834 | 1S1835 | |||||
| BYD33D | BYD33G | BYD33J | BYD33K | BYD33M | |||
| BYV95A | BYV95B | BYV95C | |||||
| BYT42M | |||||||
| FR151 | FR152 | FR153 | FR154 | FR155 | FR156 | FR157 | |
| FR151G | FR152G | FR153G | FR154G | FR155G | FR156G | FR157G | |
| PR1501/S | PR1502/S | PR1503/S | PR1504/S | PR1502/S | PR1506/S | PR1507/S | |
| RGP15A | RGP15B | RGP15D | RGP15G | RGP15J | RGP15K | RGP15M | |
| RU2A | RU30A | ||||||
| RU2Z | RU2M | RU2 | RU2B | RU2C | |||
| RU2AM | |||||||
| RU3 | RU3M | RU3A | RU3B | RU3C | |||
| RU3AM | |||||||
| 2.0A | ERB1201 | ERB1202 | ERB1204 | ERB1206 | ERB1210 | ||
| BYW36 | |||||||
| RL3A | |||||||
| FR201 | FR202 | FR203 | FR204 | FR205 | FR206 | FR207 | |
| FR201G | FR202G | FR203G | FR204G | FR205G | FR206G | FR207G | |
| RGP20A | RGP20B | RGP20D | RGP20G | RGP20J | RGP20K | RGP20M | |
| 2.5A | BYM26B | BYM26C | |||||
| FR251 | FR252 | FR253 | FR254 | FR255 | FR256 | FR257 | |
| RGP25A | RGP25B | RGP25D | RGP25G | RGP25J | RGP25K | RGP25M | |
| 3.0A | BYW95A | BYW95B | BYW95C | BY399 | |||
| FR301 | FR302 | FR303 | FR304 | FR305 | FR306 | FR307 | |
| FR301G | FR302G | FR303G | FR304G | FR305G | FR306G | FR307G | |
| RGP30A | RGP30B | RGP30D | RGP30G | RGP30J | RGP30K | RGP30M | |
| RU4A | RU4B | RU4C | |||||
| 3.5A | RU4Z | RU4M | RU4AM | ||||
| 5.0A | BY500-400 | ||||||
| 8.0A | FR804 | ||||||
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