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HT19LG-G PDF预览

HT19LG-G

更新时间: 2024-02-20 05:37:16
品牌 Logo 应用领域
超科 - SUPERTEX 开关电信集成电路电信转换电路电信电路光电二极管电子电话
页数 文件大小 规格书
4页 369K
描述
Electronic Telephone Line Switch

HT19LG-G 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:SOP,Reach Compliance Code:compliant
HTS代码:8542.39.00.01Factory Lead Time:13 weeks
风险等级:5.43JESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:3功能数量:1
端子数量:8封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.75 mm
标称供电电压:2.3 V表面贴装:YES
电信集成电路类型:DIGITAL TIME SWITCH端子面层:MATTE TIN
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9 mmBase Number Matches:1

HT19LG-G 数据手册

 浏览型号HT19LG-G的Datasheet PDF文件第2页浏览型号HT19LG-G的Datasheet PDF文件第3页浏览型号HT19LG-G的Datasheet PDF文件第4页 
HT18/ HT19  
Electronic Telephone Line Switch  
Features  
General Description  
The Supertex HT18LG and HT19LG are electronic line switch  
circuits that replace the mechanical hook switch contact or a  
discrete hook switch in a telephone handset or modem. They  
switch the positive side of the telephone line using control  
inputs that are referenced to the negative side of the line. In  
their off state, they can withstand 350V on the positive input.  
In their on state, they have a maximum series resistance of  
18Ω.  
350V breakdown voltage  
18Ω maximum switch resistance  
Current limiting protection  
Operates at 2.3V input  
Applications  
Telephone handsets  
Modems  
Fax machines  
Answering machines  
Remote meter reading  
Telephone interface products  
The devices provide current limiting determined by an  
external resistor. There are three control inputs. The HKS  
pin turns on the hook switch when connected to the TPG  
pin. This can be accomplished by using a mechanical switch  
which closes when the handset is physically off-hook. The  
LS pin allows a logic signal to turn on the hook switch. The  
dial pulse, Pin 6, is used to turn the hook switch off for pulse  
dialing. For the HT18, the dial pulse is active high (DP),  
whereas for the HT19, it is active low (DP).  
Typical Application Circuit  
TPG  
HKS  
TP  
Tip  
RSEN  
HT18  
or  
HT19  
CS  
LS  
Transient  
Protection  
Telecom  
Circuit  
15V  
DP/DP  
Ring  
GND  

HT19LG-G 替代型号

型号 品牌 替代类型 描述 数据表
HT19LG SUPERTEX

功能相似

Electronic Telephone Line Switch
HT18LG SUPERTEX

功能相似

Electronic Telephone Line Switch

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