耗尽型场效应晶体管,采用塑料SOT143封装。
特性和优势
应用
| 产品图片![]() |
| 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 |
| 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)) |
|---|---|---|---|---|---|---|---|
| BF908 | ![]() (SOT143B) | sot143b_po | Reflow_Soldering_Profile sot143b_fw | Reel 7" Q3/T4 | 量产 | %M1 | BF908,215( 9340 226 00215 ) |
| 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 |
| 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 |
|---|---|---|---|---|---|
| BF908 | BF908,215 | week 47, 2002 | NA | NA |
| 档案名称 | 标题 | 类型 | 格式 | 日期 |
|---|---|---|---|---|
| BF908-R_N (中文) | Dual-gate MOS-FETs | Data sheet | 2007-11-29 | |
| BF908 | BF908 SPICE model | SPICE model | prm | 2012-06-08 |
| spice_BF908 | Spice model BF908 | SPICE model | prm | 2012-06-06 |
| 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 |
| 型号 | 订购码 (12NC) | 可订购的器件编号 |
|---|---|---|
| BF908 | 9340 226 00215 | BF908,215 |
| 标题 | 类型 | 日期 |
|---|---|---|
| BF908 SPICE model | SPICE model | 2012-06-08 |
| Spice model BF908 | SPICE model | 2012-06-06 |