BF908R：N沟道双栅极MOSFET _ BDTIC 中国领先电子元器件代理商

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BF908R：N沟道双栅极MOSFET

耗尽型场效应晶体管，采用塑料SOT143R封装。

特性和优势

高正向转移导纳
高正向转移导纳输入电容比
栅极和源极之间的集成式反向二极管

应用

高达1 GHz的低噪声增益控制放大器
专业通信设备
电视调谐器
采用12 V电源电压的VHF和UHF应用

产品图片

关键参数

Symbol	Parameter	Conditions	Min	Typ/Nom	Max	Unit
V_DS	drain-source voltage				12	V
I_D	drain current				40	mA
V_GS(th)	gate-source threshold voltage	V_DS = 8 V; I_D = 20 µA; gate1			-2	V
I_DS	drain-source current	V_DS = 8 V; V_G1-S = 0 V; V_G2-S = 4 V	3	15	27	mA
C_iss	input capacitance	f = 1 MHz; V_DS = 8 V; V_GS = 4 V; T_j = 25 °C; gate1		3.1	4	pF
C_oss	output capacitance	f = 1 MHz; V_DS = 8 V; V_GS = 4 V; T_j = 25 °C		1.7	2.2	pF
\|Y_fs\|	forward transfer admittance	V_DS = 8 V; V_G2-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))
BF908R	(SOT143R)	sot143r_po	sot143r_fr sot143r_fw	Reel 11" Q3/T4, LargePack	量产	%M2	BF908R,235( 9340 226 10235 )
BF908R	(SOT143R)	sot143r_po	sot143r_fr sot143r_fw	Reel 7" Q3/T4	量产	%M2	BF908R,215( 9340 226 10215 )

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
BF908R	BF908R,235		week 47, 2002	NA	NA
BF908R	BF908R,215		week 47, 2002	NA	NA

文档资料

档案名称	标题	类型	格式	日期
BF908-R_N (中文)	Dual-gate MOS-FETs	Data sheet	pdf	2007-11-29
SOT143R_235	Tape reel SMD; standard product orientation 12NC ending 235	Packing	pdf	2012-11-07
SOT143R_215	Tape reel SMD; standard product orientation 12NC ending 215	Packing	pdf	2012-11-07
sot143r_po	plastic surface-mounted package; reverse pinning; 4 leads	Outline drawing	pdf	2009-10-08
sot143r_fw	Footprint for wave soldering SOT143R	Wave soldering	pdf	2009-10-08
sot143r_fr	Footprint for reflow soldering SOT143R	Reflow soldering	pdf	2009-10-08

订购信息

型号	订购码 (12NC)	可订购的器件编号
BF908R	9340 226 10235	BF908R,235
BF908R	9340 226 10215	BF908R,215

Dual-gate MOS-FETs BF908R

Dual-gate MOS-FETs BF908R

Tape reel SMD; standard product orientation 12NC ending 235 bfu550xr

Tape reel SMD; standard product orientation 12NC ending 215 bfu550xr

plastic surface-mounted package; reverse pinning; 4 leads BF908R

Footprint for wave soldering SOT143R BF908R

Footprint for reflow soldering SOT143R BF908R

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