420LB & 420LE

Release Date: December 1 1994
Two Line Pair 4-20mA Control Loop Protector

View Datasheet

APPLICATIONS

• Multi-Process Control Loops
• Fire & Security Systems
• Petro-Chemical Plants
• Refineries & Tank Farms

FEATURES

• IEC 61000-4-2 (ESD): Air - 15kV, Contact - 8kV
• IEC 61000-4-4 (EFT): 40A - 5/50ns
• IEC 61000-4-5 (Surge): 8/20µs - 95A, Level 4 (Line-Gnd) & 48A, Level 4 (Line-Line)
• 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

PACKAGING

Package # of Leads Lead-Free RoHS\WEEE Compliant Order Suffix
Custom Module N/A No No N/A
Part Number Stand-Off Voltage VWM
Volts
Clamping Voltage VC
Volts
Peak Current IPP
Amps
Max Current
8/20µs kA/Line
Leakage Current @ VWM
µA
Resistance
Ohms
Capacitance
pF
420LB28 28.00 40.00 2000.00 10.00 5.00 12.000 2800.00
420LB35 35.00 60.00 2000.00 10.00 5.00 12.000 1500.00
420LB60 60.00 85.00 2000.00 10.00 5.00 12.000 1000.00
420LE28 28.00 40.00 2000.00 10.00 5.00 12.000 2800.00
420LE35 35.00 60.00 2000.00 10.00 5.00 12.000 1500.00
420LE60 60.00 85.00 2000.00 10.00 5.00 12.000 1000.00

Note: tp = 8/20µs waveform. Electrical characteristics per line at 25°C unless otherwise specified.

Series Name Revision Date Revision No. View Datasheet
420LB & 420LE September 13 2012 5 Click Here!

SAMPLE OR BUY

Order, get a quote or free samples directly from ProTek Devices or one of our Representatives or Distributors.

Part Number Free Samples Check Stock Get Quote
420LB28
420LB35
420LB60
420LE28
420LE35
420LE60
TVS solutions for a world of applications

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