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CG2470L Gas Discharge Tube (GDT) rated at 470V DC breakdown voltage and 20kA impulse discharge current. 2-pole through hole design in an axial cylinder package.
Mfr Part #:

CG2470L

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Gas Discharge Tube (GDT) rated at 470V DC breakdown voltage and 20kA impulse discharge current. 2-pole through hole design in an axial cylinder package.
✓ Total Stock: 32 pcs

CG2470L Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
32 pcs
On Request
32 pcs On Request 1 On Request On Request On Request On Request On Request
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CG2470L Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Capacitance
Fail Short
Halogen Free
Impulse Discharge Current (8
Insulation Resistance
Lead Style
Medical Grade
Mounting Type
Number of Poles
SVHC Present
Tape & Reel
Voltage
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CG2470L Description

Short technical summary and product information.

The Littelfuse CG2470L is a gas discharge tube (GDT) from the CG2 series, designed for board-level surge protection. It provides a 470V nominal DC breakdown voltage and can handle impulse discharge currents up to 20kA (8/20µs) with a maximum single-pulse rating of 4kA (10/350µs). The device features a low capacitance of 1.5 pF typical, making it suitable for high-speed data lines. Its rugged ceramic-metal construction ensures reliability in harsh environments. The GDT is RoHS3 and lead-free compliant, and it meets UL 497B and UL 1449 standards (specific file numbers E1286621 and E3201162).

 

Key electrical characteristics include a minimum insulation resistance of 10 GΩ at 100V, an arc voltage of 15V minimum at 1A, and a minimum DC holdover voltage of 135V. The surge life is rated at 400 shots under 500A 10/1000µs conditions. The part is a two-pole design with through-hole mounting in an axial cylinder package.

 

Applications include communication lines, CATV equipment, data lines, power supplies, instrumentation circuits, medical electronics, ADSL equipment, and telecom SLIC protection. The CG2470L is a reliable choice for protecting sensitive electronics from transient overvoltages.

CG2470L Quick Information

Product Type: Gas Discharge Tube (GDT)
Series: CG2
Canonical Name: CG2470L Gas Discharge Tube, 470V, 20kA, 2-Pole, Axial Cylinder
Subcategory: Two-Electrode GDT

CG2470L Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Lead-Free

CG2470L Features

  • Rated for 470V DC breakdown voltage.
  • Handles 20kA impulse discharge current.
  • Low capacitance of 1.5 pF typical.
  • Rugged ceramic-metal construction.
  • RoHS3 and lead-free compliant.

CG2470L Applications

  • Ideal for communication line protection.
  • Used in CATV equipment surge protection.
  • Suitable for data line circuit protection.
  • Applied in power supply transient protection.

CG2470L FAQs

6 frequently asked questions generated from this part’s specifications.
What is the DC breakdown voltage of the CG2470L?

The DC breakdown voltage is 470V typical, with a minimum of 400V and maximum of 540V at 100V/s.

What is the impulse breakdown voltage?

At 100V/µs the maximum impulse breakdown is 850V, and at 1kV/µs it is 1200V.

What is the capacitance of the CG2470L?

The typical capacitance is 1.5 pF at 1 MHz.

What is the surge life rating?

The surge life is a minimum of 400 shots at 500A 10/1000µs.

Is the CG2470L RoHS compliant?

Yes, it is RoHS3 compliant and lead-free.

What is the package type and mounting style?

The package is an axial cylinder with through-hole mounting.

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