What are the key specifications of the 2R075SM-G?

It features a 75V DC spark-over voltage, a 2kA impulse discharge current (8/20µs), and a low capacitance of ≤0.5pF.

What is the pinout of 2R075SM-G?

Use the 2R075SM-G datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about 2R075SM-G pinout to locate pins, power rails, and interface signals before layout.

2R075SM-G Datasheet, Specs, Alternatives & ECAD | Liown Semiconductor Co., Ltd

AI summary

The 2R075SM-G is a compact, surface-mount Gas Discharge Tube (GDT) providing reliable transient surge protection for communication lines and data equipment.

Best for

Modems
Data communication equipment
Antenna protection

Avoid if

High-voltage power lines exceeding the GDT's rating

Check before use

Ensure the circuit's normal operating voltage is below the 75V spark-over threshold.

Key specifications

DC Spark-over Voltage: 75V ±30%
Impulse Discharge Current: 2kA
Capacitance: ≤0.5pF

Compliance & Environment

RoHS: Compliant
REACH: -
MSL: 1
ECCN: -
HTSUS: -

Application

Communication EquipmentData Protection

Datasheet

ff27bfcde6174ccaaaa14e0fb6701288_2305261805_Liown-2R075SM-G_C6936434.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 2R075SM-G: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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PCB Footprint

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3D Model

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KiCad Library

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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Part	Details	Match
2R230SM-GManufacturer	404 NOT_FOUND. {'error': {'code': 404, 'message': 'Publisher model `projects/still-protocol-478404-g8/locations/us-central1/publishers/google/models/gemini-3.1-pro-preview` was not found or your project does not have access to it. Ensure you are using a valid model name and that the model is available in the specified region. For more information, see: https://docs.cloud.google.com/gemini-enterprise-agent-platform/resources/locations.', 'status': 'NOT_FOUND'}}	Has caveats

2R300SM-GManufacturer	404 NOT_FOUND. {'error': {'code': 404, 'message': 'Publisher model `projects/still-protocol-478404-g8/locations/us-central1/publishers/google/models/gemini-3.1-pro-preview` was not found or your project does not have access to it. Ensure you are using a valid model name and that the model is available in the specified region. For more information, see: https://docs.cloud.google.com/gemini-enterprise-agent-platform/resources/locations.', 'status': 'NOT_FOUND'}}	Has caveats
2R470SM-GManufacturer	404 NOT_FOUND. {'error': {'code': 404, 'message': 'Publisher model `projects/still-protocol-478404-g8/locations/us-central1/publishers/google/models/gemini-3.1-pro-preview` was not found or your project does not have access to it. Ensure you are using a valid model name and that the model is available in the specified region. For more information, see: https://docs.cloud.google.com/gemini-enterprise-agent-platform/resources/locations.', 'status': 'NOT_FOUND'}}	Has caveats
SG75Manufacturer	URL can't contain control characters. '/component/docs/fe6a8648979f16db1aff4e06f9c11d11_df51b0d4133e418ffbe55ed724f75071.pdf, http://www.littelfuse.com/data/en/Data_Sheets/Littelfuse-GDT-SG_Series.pdf, https://www.littelfuse.com/media?resourcetype=datasheets&itemid=71d0e91e-b981-469d-9f85-a8cdf3569a15&filename=littelfuse-gdt-sg-datasheet, https://s3.lax.sharktech.net/viassion/datasheets/hqonline/17137c8ad41c07165ba5c88cfea22246.pdf, https://datasheet.octopart.com/SG75-Littelfuse-datasheet-22975181.pdf, http	Has caveats
2RK250M-4Manufacturer	404 NOT_FOUND. {'error': {'code': 404, 'message': 'Publisher model `projects/still-protocol-478404-g8/locations/us-central1/publishers/google/models/gemini-3.1-pro-preview` was not found or your project does not have access to it. Ensure you are using a valid model name and that the model is available in the specified region. For more information, see: https://docs.cloud.google.com/gemini-enterprise-agent-platform/resources/locations.', 'status': 'NOT_FOUND'}}	Has caveats
2RL075M-5-SST4.2Manufacturer	404 NOT_FOUND. {'error': {'code': 404, 'message': 'Publisher model `projects/still-protocol-478404-g8/locations/us-central1/publishers/google/models/gemini-3.1-pro-preview` was not found or your project does not have access to it. Ensure you are using a valid model name and that the model is available in the specified region. For more information, see: https://docs.cloud.google.com/gemini-enterprise-agent-platform/resources/locations.', 'status': 'NOT_FOUND'}}	Has caveats
SX60-75XSMDTManufacturer	404 NOT_FOUND. {'error': {'code': 404, 'message': 'Publisher model `projects/still-protocol-478404-g8/locations/us-central1/publishers/google/models/gemini-3.1-pro-preview` was not found or your project does not have access to it. Ensure you are using a valid model name and that the model is available in the specified region. For more information, see: https://docs.cloud.google.com/gemini-enterprise-agent-platform/resources/locations.', 'status': 'NOT_FOUND'}}	Has caveats

Design and risk insights

Questions & answers

It is a 2-electrode Gas Discharge Tube (GDT) designed for surface-mount applications, providing protection against transient voltage surges.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the 2R075SM-G?+×

What are the key specifications of the 2R075SM-G?+×

What is the pinout of 2R075SM-G?+×