BF908WR：N沟道双栅极MOSFET
耗尽型场效应晶体管，采用塑料SOT343R封装。
特性和优势
应用
| 产品图片 |
关键参数
| Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
|---|---|---|---|---|---|---|
| VDS | drain-source voltage | 12 | V | |||
| ID | drain current | 40 | mA | |||
| VGS(th) | gate-source threshold voltage | VDS = 8 V; ID = 20 µA; gate1 | -2 | V | ||
| IDS | drain-source current | VDS = 8 V; VG1-S = 0 V; VG2-S = 4 V | 3 | 15 | 27 | mA |
| Ciss | input capacitance | f = 1 MHz; VDS = 8 V; VGS = 4 V; Tj = 25 °C; gate1 | 3.1 | 4 | pF | |
| Coss | output capacitance | f = 1 MHz; VDS = 8 V; VGS = 4 V; Tj = 25 °C | 1.7 | 2.2 | pF | |
| |Yfs| | forward transfer admittance | VDS = 8 V; VG2-S = 4 V | 36 | 43 | 50 | mS |
| NF | noise figure | f = 800 MHz | 1.5 | 2.5 | dB |
封装与包装
| 型号 | 封装 | Outline version | Reflow-/Wave soldering | 包装 | 产品状态 | 标示 | 可订购的器件编号, (订购码 (12NC)) |
|---|---|---|---|---|---|---|---|
| BF908WR |  CMPAK-4 (SOT343R) | sot343r_po | sot343r_fr sot343r_fw | Reel 7" Q1/T1 | 量产 | MD | BF908WR,115( 9340 314 70115 ) |
引脚配置信息
| Pin | Symbol | Description | 外形简图 | 图形符号 |
|---|---|---|---|---|
| 1 | S, B | source |  |  |
| 2 | D | drain | ||
| 3 | G2 | gate 2 | ||
| 4 | G1 | gate 1 |
无铅环保信息
| 型号 | 可订购的器件编号 | RoHS / RHF | 无铅转换日期 | 潮湿敏感度等级 | MSL LF |
|---|---|---|---|---|---|
| BF908WR | BF908WR,115 |   | week 52, 2002 | NA | NA |
文档资料
| 档案名称 | 标题 | 类型 | 格式 | 日期 |
|---|---|---|---|---|
| BF908WR (中文) | N-channel dual-gate MOS-FET | Data sheet | 2010-12-02 | |
| SOT343R_115 | CMPAK-4; Tape reel SMD; standard product orientation 12NC ending 115 | Packing | 2012-11-16 | |
| sot343r_fw | Footprint for wave soldering SOT343R | Wave soldering | 2009-10-08 | |
| sot343r_fr | Footprint for reflow soldering SOT343R | Reflow soldering | 2009-10-08 | |
| sot343r_po | plastic surface-mounted package; reverse pinning; 4 leads | Outline drawing | 2009-10-08 |
订购信息
| 型号 | 订购码 (12NC) | 可订购的器件编号 |
|---|---|---|
| BF908WR | 9340 314 70115 | BF908WR,115 |
- N-channel dual-gate MOS-FET BF908WR
