这些开关是耗尽型场效应晶体管(FET)和波段切换二极管的组合。BF1118、BF1118R、BF1118W和BF1118WR分别采用SOT143B、SOT143R、SOT343N和SOT343R封装。这些器件具有低损耗和高隔离能力,提供极佳的RF切换功能。MOSFET的栅极可通过二极管与接地隔离,从而实现低损耗。在栅极和源极之间以及栅极和漏极之间集成二极管,防止过大的输入电压浪涌。
特性和优势
应用
| 产品图片 |
Symbol | Parameter | Conditions | Min | Typ/Nom | Max | Unit |
---|---|---|---|---|---|---|
VSG | source-gate voltage | 7 | V | |||
VDS | drain-source voltage | 3 | V | |||
ID | drain current | 10 | mA | |||
VGS(p) | gate-source cut-off voltage | VDS = 1 V; ID = 20 µA | -2 | -2.44 | V | |
RDS(on) | drain-source on-state resistance | VGS = 0 V; ID = 1 mA | 15 | 23.3 | Ω | |
Lins | insertion loss | f ≤ 1 GHz; RL = 50 Ω; Rsource = 50 Ω; VSK = VDK = 0 V; IF = 0 mA [0] | 2.5 | dB | ||
Liso | isolation | f ≤ 1 GHz; RL = 50 Ω; Rsource = 50 Ω; VSK = VDK = 3.3 V; IF = 1 mA | 30 | 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)) |
---|---|---|---|---|---|---|---|
BF1118WR | CMPAK-4 (SOT343R) | sot343r_po | sot343r_fr sot343r_fw | Reel 7" Q1/T1 | 量产 | VC% | BF1118WR,115( 9340 645 49115 ) |
Pin | Symbol | Description | 外形简图 | 图形符号 |
---|---|---|---|---|
1 | G, A | FET gate; diode anode | ||
2 | K | diode cathode | ||
3 | S | source | ||
4 | D | drain |
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 |
---|---|---|---|---|---|
BF1118WR | BF1118WR,115 | Always Pb-free | 1 | 1 |
档案名称 | 标题 | 类型 | 格式 | 日期 |
---|---|---|---|---|
BF1118_1118R_1118W_1118WR (中文) | Silicon RF switches | Data sheet | 2014-11-14 | |
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 |
型号 | 订购码 (12NC) | 可订购的器件编号 |
---|---|---|
BF1118WR | 9340 645 49115 | BF1118WR,115 |