SG75 The Littelfuse Inc. SG75 is a 2-pole Gas Discharge Tube (GDT) designed for surface mounting. It offers a 75V operating voltage and 2kA surge capability.
Mfr Part #:

SG75

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. SG75 is a 2-pole Gas Discharge Tube (GDT) designed for surface mounting. It offers a 75V operating voltage and 2kA surge capability.
✓ Total Stock: 763 pcs
$ Price Range: $0.99

SG75 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
763 pcs
763 pcs On Request 1 On Request On Request 1609+ On Request On Request

SG75 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Capacitance
Fail Short
Impulse Discharge Current (8
Insulation Resistance
Mounting Type
Number of Poles
Operating Temperature
Voltage

SG75 Description

Short technical summary and product information.

The Littelfuse Inc. SJ Series SG75 is a Gas Discharge Tube (GDT) designed for high surge protection in a miniature package. It features a 75V operating voltage and a 2kA impulse discharge current rating (8/20μS pulse). This 2-pole device is suitable for surface mounting and comes in an 1812 (4532 Metric) package.

 

With a low capacitance of less than 0.5pF and ultra-low insertion loss, the SG75 is well-suited for high-frequency data lines and broadband equipment applications. It offers excellent stability across multiple pulse duty cycles and responds effectively to fast-rising transients. The operating temperature range is -40°C to +125°C.

 

Applications include communication equipment, CATV, test equipment, data lines, power supplies, and telecom SLIC protection. The GDT conforms to ITU-T Rec. K.12 and IEC 61643-311 standards and is UL Recognized.

SG75 Quick Information

Product Type: Gas Discharge Tube
Series: SJ Series
Canonical Name: Littelfuse Inc. SG75 Gas Discharge Tube
Subcategory: GDT

SG75 Compliance

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

SG75 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

SG75 Features

  • 75V operating voltage GDT.
  • 2kA impulse discharge current.
  • Low capacitance less than 0.5pF.
  • Surface mountable 1812 package.
  • Suitable for high-frequency data lines.

SG75 Applications

  • Protects communication equipment.
  • Used in CATV systems.
  • Safeguards data lines.
  • Suitable for power supplies.
  • Provides telecom SLIC protection.

SG75 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the Littelfuse SG75 Gas Discharge Tube?

The operating voltage is 75V.

What is the impulse discharge current rating for the SG75 GDT?

The impulse discharge current is 2kA (8/20μS).

How is the Littelfuse SG75 Gas Discharge Tube mounted?

It is designed for surface mounting.

What is the package size of the SG75 GDT?

The package size is 1812 (4532 Metric).

What is the operating temperature range for the SG75 GDT?

The operating temperature range is -40°C to +125°C.

What is the capacitance of the SG75 Gas Discharge Tube?

The capacitance is typically less than 0.5pF.

What applications is the SG75 GDT suitable for?

It is suitable for communication equipment, CATV, test equipment, data lines, power supplies, and telecom SLIC protection.

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