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420E225 の電気的特性と機能

420E225のメーカーはProtek Devicesです、この部品の機能は「(420E212 - 420E260) DUAL 4-20mA CONTROL LOOP PROTECTOR」です。


製品の詳細 ( Datasheet PDF )

部品番号 420E225
部品説明 (420E212 - 420E260) DUAL 4-20mA CONTROL LOOP PROTECTOR
メーカ Protek Devices
ロゴ Protek Devices ロゴ 




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420E225 Datasheet, 420E225 PDF,ピン配置, 機能
420E212
thru
420E260
DUAL 4-20mA CONTROL LOOP PROTECTOR
APPLICATIONS
Security Alarm Systems
Industrial Control & Monitoring Systems
Remote Tech Site Station
Process Control Loops
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)
420E
FEATURES
Designed for 4-20mA Current Loops
Automatic Reset - Does Not Interrupt Service
Permanent Two-Stage Line Pair Protection
Common Mode & Differential Mode Protection
Subnanosecond Response Time
Effective Against Lightning, Inductive Switching and ESD
MECHANICAL CHARACTERISTICS
Weight: 50 grams (Approximate)
Flammability Rating UL 94V-0
Device Marking: Logo, Terminal Designations, Date Code & Part Number
DESCRIPTION
The 420E2 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 420E2 series is designed to protect 4-20mA analog control loops from differential and
common mode transients. Terminals 1 and 2 are designed as the line pairs for both the line and
equipment side of the protector. A transient voltage suppressor is internally 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.
05053.R4 7/04
1 www.protekdevices.com

1 Page





420E225 pdf, ピン配列
PACKAGE OUTLINE & DIMENSIONS
420E2 CASE OUTLINE
1.40” MAX
(35.56mm)
1.20” MAX
(30.48mm)
LINE
SIDE
2.50” NOM
(63.50mm)
1
GND
EQUIPMENT
SIDE
2
0.675” MAX
(17.15mm)
420E212
thru
420E260
GND
2
1
COPYRIGHT © ProTek Devices 2003
SPECIFICATIONS: ProTek reserves the right to change the electrical and or mechanical characteristics described herein without notice (except JEDEC).
DESIGN CHANGES: ProTek reserves the right to discontinue product lines without notice, and that the final judgement concerning selection and specifications is
the buyer’s and that in furnishing engineering and technical assistance, ProTek assumes no responsibility with respect to the selection or specifications of such
products.
05053.R4 7/04
3
ProTek Devices
2929 South Fair Lane, Tempe, AZ 85282
Tel: 602-431-8101 Fax: 602-431-2288
Web Site: www.protekdevices.com
www.protekdevices.com


3Pages





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共有リンク

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部品番号部品説明メーカ
420E225

(420E212 - 420E260) DUAL 4-20mA CONTROL LOOP PROTECTOR

Protek Devices
Protek Devices
420E228

(420E212 - 420E260) DUAL 4-20mA CONTROL LOOP PROTECTOR

Protek Devices
Protek Devices


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