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420LE60 PDF预览

420LE60

更新时间: 2024-02-12 14:59:59
品牌 Logo 应用领域
PROTEC 电信集成电路电信电路电信保护电路
页数 文件大小 规格书
3页 125K
描述
TWO LINE PAIR 4-20mA CONTROL LOOP PROTECTOR

420LE60 技术参数

是否无铅:含铅是否Rohs认证:不符合
生命周期:Active包装说明:,
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.6Is Samacsys:N
JESD-30 代码:R-XDMA-X10JESD-609代码:e0
功能数量:1端子数量:10
最高工作温度:100 °C最低工作温度:-55 °C
封装主体材料:UNSPECIFIED封装形状:RECTANGULAR
封装形式:MICROELECTRONIC ASSEMBLY峰值回流温度(摄氏度):245
认证状态:Not Qualified表面贴装:NO
电信集成电路类型:SURGE PROTECTION CIRCUIT温度等级:OTHER
端子面层:TIN LEAD端子形式:UNSPECIFIED
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

420LE60 数据手册

 浏览型号420LE60的Datasheet PDF文件第2页浏览型号420LE60的Datasheet PDF文件第3页 
420LE28  
thru  
420LB60  
Only One Name Means ProTek’Tion™  
TWO LINE PAIR 4-20mA CONTROL LOOP PROTECTOR  
APPLICATIONS  
420LB  
Multi-Process Control Loops  
Fire & Security Systems  
Petro-Chemical Plants  
Refineries &Tank Farms  
IEC COMPATIBILITY (EN61000-4)  
61000-4-2 (ESD): Air - 15kV, Contact - 8kV  
61000-4-4 (EFT): 40A - 5/50ns  
61000-4-5 (Surge): 8/20µs - 95A, Level 4 (Line-Gnd) & 48A, Level 4 (Line-Line)  
FEATURES  
420LE  
Designed for 4-20mA Current Loops  
Automatic Reset - Does Not Interrupt Service  
PermanentTwo-Stage Line Pair Protection  
Common Mode & Differential Mode Protection  
Subnanosecond ResponseTime  
Effective Against Lightning, Inductive Switching and ESD  
MECHANICAL CHARACTERISTICS  
Weight: 420LB - 28 grams & 420LE - 142 grams (Approximate)  
Flammability Rating UL 94V-0  
Device Marking:  
Case - Logo, Terminal Designations & Part Number  
Board - Logo, Date Code & Part Number  
DESCRIPTION  
The 420LE/B series is a two stage transient voltage protector providing primary and  
secondary protection against lightning, inductive switching and electrostatic discharge  
(ESD) transient threats. The first stage diverts the transient current through the ground  
terminal return path and the second stage clamps the voltage to a safe level without  
interruption of service.  
The 420LE/B series is designed to protect data lines from differential (line to line) and  
common mode (line to ground) transients. Terminals 1 and 2, 3 and 4 for the 420LE  
and pins 2 and 3, 4, and 5 for the 420LB are designated as line pairs. Each line pair is  
referenced to ground. A transient voltage suppressor is connected across each line  
pair for differential mode protection. Each line pair is referenced to ground.  
This product can also be used on telephone, signal/data lines, security, timing and  
control interface circuits. For most applications, the product should be located as close  
as possible to the equipment being protected. A low impedance grounding system is  
important to maintain a low voltage clamp between the line-to-ground connection.  
05048.R3 11/03  
1
www.protekdevices.com  

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