BF991：N沟道双栅极MOSFET
耗尽型场效应晶体管，采用塑料SOT143超小型封装。
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 | 20 | V | |||
| ID | drain current | 20 | mA | |||
| VGS(th) | gate-source threshold voltage | VDS = 10 V; ID = 20 µA; gate1 | -2.5 | V | ||
| IDS | drain-source current | VDS = 10 V; VG1-S = 0 V; VG2-S = 4 V | 4 | 25 | mA | |
| Ciss | input capacitance | f = 1 MHz; VDS = 10 V; VGS = 4 V; Tj = 25 °C; gate1 | 2.1 | pF | ||
| Coss | output capacitance | f = 1 MHz; VDS = 10 V; VGS = 4 V; Tj = 25 °C | 1.1 | pF | ||
| |Yfs| | forward transfer admittance | VDS = 10 V | 10 | 14 | mS | |
| NF | noise figure | f = 200 MHz | 1 | 2 | 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)) |
|---|---|---|---|---|---|---|---|
| BF991 |  (SOT143B) | sot143b_po | Reflow_Soldering_Profile sot143b_fw | Reel 7" Q3/T4 | 量产 | %MA | BF991,215( 9336 420 00215 ) |
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 |
|---|---|---|---|---|---|
| BF991 | BF991,215 |   | week 47, 2002 | NA | NA |
文档资料
| 档案名称 | 标题 | 类型 | 格式 | 日期 |
|---|---|---|---|---|
| BF991_N (中文) | N-channel dual-gate MOS-FET | Data sheet | 2007-11-29 | |
| SOT143B_215 | Tape reel SMD; standard product orientation 12NC ending 215 | Packing | 2012-11-07 | |
| Reflow_Soldering_Profile | Reflow Soldering Profile | Reflow soldering | 2013-09-30 | |
| sot143b_fw | Footprint for wave soldering SOT143B | Wave soldering | 2010-07-13 | |
| sot143b_fr | Footprint for reflow soldering SOT143B | Reflow soldering | 2010-07-13 | |
| sot143b_po | plastic surface-mounted package; 4 leads | Outline drawing | 2009-10-08 | |
| Wave_Soldering_Profile | Wave Soldering Profile | Wave soldering | 2013-09-30 |
订购信息
| 型号 | 订购码 (12NC) | 可订购的器件编号 |
|---|---|---|
| BF991 | 9336 420 00215 | BF991,215 |
- Tape reel SMD; standard product orientation 12NC ending 215 prtr5v0u2x
- Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
- Footprint for wave soldering SOT143B BF996S
- Footprint for reflow soldering SOT143B BF996S
- plastic surface-mounted package; 4 leads BF996S
- Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
