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CG75

Gas Discharge Tube

The CG75 is a gas discharge tube from Littelfuse Inc.. View the full CG75 datasheet below including key specifications.

Manufacturer

Littelfuse Inc.

Category

Gas Discharge Tube

Key Specifications

ParameterValue
Fail ShortNo
Impulse Discharge Current (8/20µs)20000A (20kA)
Mounting TypeUser Defined
Number of Poles2
Package / CaseCylinder No Lead
PackagingBulk
Standard Pack Qty1200
Voltage - DC Spark Over (Nom)90 V

Overview

Part: Littelfuse CG/CG2 Series

Type: Gas Discharge Tube (GDT)

Description: Littelfuse CG/CG2 Series GDTs provide high surge protection in a small size, featuring rugged ceramic-metal construction, low capacitance (<1.5 pF), and DC breakdown voltages ranging from 60 V to 1150 V.

Operating Conditions:

  • DC Breakdown Voltage Range: 60 V to 1150 V
  • Operating temperature: -40 to +90 °C
  • Capacitance: <1.5 pF (@1MHz)

Absolute Maximum Ratings:

  • Max DC Breakdown Voltage: 1150 V (CG21000)
  • Max Impulse Discharge Current: 4 kA (1 Application @10/350μs, for CG75, CG90, CG90 SN)
  • Max Follow On Current: 200 A (230 Volts r.m.s)
  • Max storage temperature: +90 °C

Key Specs:

  • DC Breakdown Voltage (CG75): 60 V MIN, 75 V TYP, 90 V MAX (@100V/s)
  • Impulse Breakdown Voltage (CG75): 400 V MAX (@100V/μs)
  • Insulation Resistance (CG75): 10^10 Ω MIN (at 100V)
  • Capacitance (CG75): 1.5 pF MAX (@1MHz)
  • Arc Voltage (CG75): 15 V TYP (@1Amp Min)
  • Nominal Impulse Discharge Current (most devices): 20 kA (8/20μs)
  • Nominal AC Discharge Current (CG75): 20 A (10x1sec @50-60Hz)
  • DC Holdover Voltage (CG75): 52 V TYP

Features:

  • RoHS and Lead-free compliant
  • Rugged Ceramic-Metal construction
  • Low Capacitance (<1.5pf)
  • Available in surface mount, and a variety of lead options

Applications:

  • Communication lines and equipment
  • CATV equipment
  • Test equipment
  • Data lines
  • Power supplies
  • Instrumentation circuits
  • Medical electronics
  • ADSL equipment
  • Telecom SLIC protection

Package:

  • Surface Mount
  • Core
  • Straight Lead (L Type)
  • Shaped Lead (LS Type)

Features

  • RoHS and Lead-free compliant
  • Rugged Ceramic-Metal construction
  • Low Capacitance (<1.5pf)

Applications

  • Communication lines and equipment
  • CATV equipment
  • Test equipment
  • Data lines
  • Power supplies
  • Meets REA PE-80
  • Available in surface mount, and a variety of lead options options
  • RoHS Compliant and Lead-Free
  • Instrumentation circuits
  • Medical electronics
  • ADSL equipment
  • Telecom SLIC protection

Related Variants

The following components are covered by the same datasheet.

Part NumberManufacturerPackage
CG/CG2Littelfuse Inc.
CG110Littelfuse Inc.
CG21000Littelfuse Inc.
CG2145Littelfuse Inc.
CG2145 SNLittelfuse Inc.
CG2230Littelfuse Inc.
CG2230 SNLittelfuse Inc.
CG2250Littelfuse Inc.
CG2250 SNLittelfuse Inc.
CG2300Littelfuse Inc.
CG2300 SNLittelfuse Inc.
CG2350Littelfuse Inc.
CG2350 SNLittelfuse Inc.
CG2420Littelfuse Inc.
CG2470Littelfuse Inc.
CG2470 SNLittelfuse Inc.
CG2600Littelfuse Inc.
CG2600 SNLittelfuse Inc.
CG2800Littelfuse Inc.
CG90Littelfuse Inc.Cylinder No Lead
CG90 SNLittelfuse Inc.
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