422ELC

更新时间： 2024-02-17 04:07:21

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	111K
描述
DIGITAL PROCESS DATA LINE PROTECTOR

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422ELC 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
Reach Compliance Code：	unknown	风险等级：	5.86
颜色@波长：	Red	最大正向电流：	0.04 A
最大正向电压：	2 V	JESD-609代码：	e0
透镜类型：	DIFFUSED	最高工作温度：	85 °C
最低工作温度：	-40 °C	总高度：	6.7 mm
峰值波长：	655 nm	子类别：	Visible LEDs
端子面层：	Tin/Lead (Sn/Pb)	视角：	200 deg
Base Number Matches：	1

422ELC 数据手册

422ELC

Only One Name Means ProTek’Tion™

DIGITAL PROCESS DATA LINE PROTECTOR

APPLICATIONS

✔ RS-422 Data Lines

✔ Digital Process Control Loop

✔ Long Line Digital Systems

✔ DigitalTransmission

✔ Telemetry Systems

✔ Smoke Detector & Fire Alarm Systems

IEC COMPATIBILITY (EN61000-4)

422ELC

✔ 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)

FIGURE 1

LINEAR CAPACITANCEVS

NON-LINEARCAPACITANCE

1,000

FEATURES

Industry Standard

Low Capacitance

Solid State Protector

✔ LOW CAPACITANCE - 25PF

✔ Designed for EIA Standard RS-422 Data Lines

✔ PermanentTwo-Stage 2 Line Pair Protector

✔ Subnanosecond ResponseTime

100

✔ Common & Differential Mode Protection

✔ Automatic Reset - Does Not Interrupt Service

✔ Effective Against Lightning, Inductive Switching and ESD

ProTek’s 422ELC

MECHANICAL CHARACTERISTICS

1,0

✔ Weight:142 grams (Approximate)

✔ Flammability Rating UL 94V-0

V_OP- Data Line Operating Voltage - Volts

✔ Device Marking:Logo, Date Code, Terminal Designations & Part Number

DESCRIPTION

The 422ELC is low capacitance, two-stage transient voltage protector that provides

primary and secondary protection against lightning, inductive switching and electro-

static 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 422ELC is designed to protect data lines from differential (line-line) and common-

mode (line-to-ground) transients. Terminals 1 & 2 and 3 & 4 for the 422ELC are

designed as line pairs. 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.

Capacitance over the operating voltage range is important. If capacitance is nonlinear,

distortion, loss of data or access to the I/O port can occur (See Figure 1).

05038.R3 11/03

www.protekdevices.com

12 3

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与422ELC相关器件

型号	品牌	描述	获取价格	数据表
422ELC_10	PROTEC	DIGITAL PROCESS DATA LINE PROTECTOR	获取价格
422ELC_12	PROTEC	DIGITAL PROCESS DATA LINE PROTECTOR	获取价格
422EN1-6	HONEYWELL	Snap Acting/Limit Switch, SPDT, Momentary, 7A, 28VDC, 7.37mm, Wire Terminal, Steel Roller	获取价格
422-FREQ-BE0	FOX	HCMOS Output Clock Oscillator, 1MHz Min, 80MHz Max, ROHS COMPLIANT, SMD, 6 PIN	获取价格
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422H-18	TELEDYNE	DPDT high-temperature relay	获取价格

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