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U421

更新时间: 2024-02-07 12:13:30
品牌 Logo 应用领域
CALOGIC /
页数 文件大小 规格书
2页 32K
描述
N-Channel Dual JFET

U421 技术参数

生命周期:Contact Manufacturer包装说明:,
Reach Compliance Code:unknown风险等级:5.65
FET 技术:JUNCTION最高工作温度:150 °C
极性/信道类型:N-CHANNEL最大功率耗散 (Abs):0.4 W
子类别:FET General Purpose Small Signal表面贴装:NO
Base Number Matches:1

U421 数据手册

 浏览型号U421的Datasheet PDF文件第2页 
N-Channel Dual JFET  
CORPORATION  
U421 – U426  
FEATURES  
DESCRIPTION  
Ultra Low Input Bias Current . . . . . . . 250 Fempto Amps  
Low Operating Current  
Tight Matching Characteristics  
The Calogic U421 Series are Dual N-Channel JFETs on a  
monolithic structure designed specifically for very high input  
impedance for differential amplification and impedance  
matching. This series features ultra low input bias current  
(250 fempto amps, U421) while offering high gain at low  
operating currents and tight matching characteristics. These  
devices are available in chip form for hybrid designs as well  
as a hermetic TO-78 package.  
APPLICATIONS  
Ultra Low Leakage FET Input Op Amps  
Electrometer  
Infrared Detectors  
pH Meters  
ORDERING INFORMATION  
Part  
Package  
Temperature Range  
U421-U426  
TO-78 Hermetic Package -55oC to +150oC  
XU421-U426 Sorted Chips in Carriers -55oC to +150oC  
PIN CONFIGURATION  
TO-78  
1 SOURCE 1  
5
1
4
2 DRAIN 1  
3 GATE 1  
4 CASE/BODY  
5 SOURCE 2  
6 DRAIN 2  
7 GATE 2  
6
3
7
2
BOTTOM VIEW  
G2  
D2  
S2  
C
S1  
G1  
D1  
CJ4  

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