GTCA28-402L-R03 Gas Discharge Tube (GDT) - CIRCUIT PROTECTION
Part Number: GTCA28-402L-R03
Manufacturer: CIRCUIT PROTECTION
Country of Origin: CN
Unit of Measure: EA
ECCN: EAR99
Package Type: TRAY
Datasheet: Download Datasheet
Product Overview
The GTCA28-402L-R03 Gas Discharge Tube (GDT) is designed to protect sensitive telecom and electronic equipment from transient surge voltages caused by lightning strikes and switching operations. These devices are placed in parallel with equipment to divert high-energy surges, ensuring reliable operation without affecting normal signal transmission.
Available in various form factors including surface-mount and axial lead configurations
Low capacitance for minimal signal distortion
High accuracy spark-over voltages for precise surge protection
Suitable for high-frequency applications such as telecom, power lines, and data transmission
Certified to UL497B and UL1449 standards
Applications
Telecommunications: MDF modules, xDSL equipment, RF systems, base stations
Industrial and Consumer Electronics: Power supplies, surge protectors, alarm systems
Surge protection on power and data lines
High data-rate telecom applications (e.g., ADSL, VDSL)
Specifications
Device Voltage Ratings
Surge Rating
Capacitance
Insulation Resistance
Agency Approval
75V-4000V (various form factors)
High energy surge diversion
Low capacitance (e.g., <1.2pF for 75V and 90V devices)
Measured at 50V for devices <150V; 250V for >500V
UL497B, UL1449
Physical Dimensions
Product Type
Dimensions (mm)
Dimensions (inches)
Two Electrode 3mm
Ø3.0 x 1.0
Ø0.118 x 0.039
Two Electrode 5mm
Ø5.0 x 1.3
Ø0.197 x 0.051
Two Electrode 6mm
Ø6.0 x 1.3
Ø0.236 x 0.051
Two Electrode 8mm
Ø8.0 x 1.2
Ø0.315 x 0.047
Additional Details
Suitable for automated manufacturing with surface-mount options
Optional fail-short mechanism available
Devices are non-radioactive and environmentally friendly
Disclaimer
Specifications are subject to change without notice. Please refer to the datasheet for detailed technical information. For more details, search the internet for the part number GTCA28-402L-R03.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
Shopping Cart
{"id":10024231895357,"title":"GTCA28-402L-R03","handle":"gtca28-402l-r03","description":"\u003ch3\u003eGTCA28-402L-R03 Gas Discharge Tube (GDT) - CIRCUIT PROTECTION\u003c\/h3\u003e\n\u003cp\u003ePart Number: GTCA28-402L-R03\u003cbr\u003e\nManufacturer: CIRCUIT PROTECTION\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUnit of Measure: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: TRAY\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cpd\/cpd-rf3995-000.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe GTCA28-402L-R03 Gas Discharge Tube (GDT) is designed to protect sensitive telecom and electronic equipment from transient surge voltages caused by lightning strikes and switching operations. These devices are placed in parallel with equipment to divert high-energy surges, ensuring reliable operation without affecting normal signal transmission.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoHS compliant and halogen-free (Br ≥ 900ppm, Cl ≥ 900ppm, Br+Cl ≥ 1500ppm)\u003c\/li\u003e\n\u003cli\u003eWide voltage range: 75V to 4000V\u003c\/li\u003e\n\u003cli\u003eAvailable in various form factors including surface-mount and axial lead configurations\u003c\/li\u003e\n\u003cli\u003eLow capacitance for minimal signal distortion\u003c\/li\u003e\n\u003cli\u003eHigh accuracy spark-over voltages for precise surge protection\u003c\/li\u003e\n\u003cli\u003eSuitable for high-frequency applications such as telecom, power lines, and data transmission\u003c\/li\u003e\n\u003cli\u003eCertified to UL497B and UL1449 standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTelecommunications: MDF modules, xDSL equipment, RF systems, base stations\u003c\/li\u003e\n\u003cli\u003eIndustrial and Consumer Electronics: Power supplies, surge protectors, alarm systems\u003c\/li\u003e\n\u003cli\u003eSurge protection on power and data lines\u003c\/li\u003e\n\u003cli\u003eHigh data-rate telecom applications (e.g., ADSL, VDSL)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDevice Voltage Ratings\u003c\/th\u003e\n\u003cth\u003eSurge Rating\u003c\/th\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003cth\u003eAgency Approval\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e75V-4000V (various form factors)\u003c\/td\u003e\n\u003ctd\u003eHigh energy surge diversion\u003c\/td\u003e\n\u003ctd\u003eLow capacitance (e.g., \u0026lt;1.2pF for 75V and 90V devices)\u003c\/td\u003e\n\u003ctd\u003eMeasured at 50V for devices \u0026lt;150V; 250V for \u0026gt;500V\u003c\/td\u003e\n\u003ctd\u003eUL497B, UL1449\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003cth\u003eDimensions (mm)\u003c\/th\u003e\n\u003cth\u003eDimensions (inches)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo Electrode 3mm\u003c\/td\u003e\n\u003ctd\u003eØ3.0 x 1.0\u003c\/td\u003e\n\u003ctd\u003eØ0.118 x 0.039\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo Electrode 5mm\u003c\/td\u003e\n\u003ctd\u003eØ5.0 x 1.3\u003c\/td\u003e\n\u003ctd\u003eØ0.197 x 0.051\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo Electrode 6mm\u003c\/td\u003e\n\u003ctd\u003eØ6.0 x 1.3\u003c\/td\u003e\n\u003ctd\u003eØ0.236 x 0.051\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo Electrode 8mm\u003c\/td\u003e\n\u003ctd\u003eØ8.0 x 1.2\u003c\/td\u003e\n\u003ctd\u003eØ0.315 x 0.047\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for automated manufacturing with surface-mount options\u003c\/li\u003e\n\u003cli\u003eOptional fail-short mechanism available\u003c\/li\u003e\n\u003cli\u003eDevices are non-radioactive and environmentally friendly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eSpecifications are subject to change without notice. Please refer to the datasheet for detailed technical information. For more details, search the internet for the part number GTCA28-402L-R03.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T03:58:30+05:30","created_at":"2025-08-14T03:58:30+05:30","vendor":"Waldom Electonics","type":"","tags":["CIRCU-PRO","GTCA28","IMPORT_CSV","WLDM"],"price":16908,"price_min":16908,"price_max":16908,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50617817465149,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"GTCA28-402L-R03","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"GTCA28-402L-R03","public_title":null,"options":["Default Title"],"price":16908,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"GTCA28-402L-R03","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/GTCA28-402L-R03_46955061_fdbe44d0.jpg?v=1755124114"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/GTCA28-402L-R03_46955061_fdbe44d0.jpg?v=1755124114","options":["Title"],"media":[{"alt":null,"id":45827344793917,"position":1,"preview_image":{"aspect_ratio":1.755,"height":200,"width":351,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/GTCA28-402L-R03_46955061_fdbe44d0.jpg?v=1755124114"},"aspect_ratio":1.755,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/GTCA28-402L-R03_46955061_fdbe44d0.jpg?v=1755124114","width":351}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eGTCA28-402L-R03 Gas Discharge Tube (GDT) - CIRCUIT PROTECTION\u003c\/h3\u003e\n\u003cp\u003ePart Number: GTCA28-402L-R03\u003cbr\u003e\nManufacturer: CIRCUIT PROTECTION\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUnit of Measure: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: TRAY\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cpd\/cpd-rf3995-000.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe GTCA28-402L-R03 Gas Discharge Tube (GDT) is designed to protect sensitive telecom and electronic equipment from transient surge voltages caused by lightning strikes and switching operations. These devices are placed in parallel with equipment to divert high-energy surges, ensuring reliable operation without affecting normal signal transmission.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoHS compliant and halogen-free (Br ≥ 900ppm, Cl ≥ 900ppm, Br+Cl ≥ 1500ppm)\u003c\/li\u003e\n\u003cli\u003eWide voltage range: 75V to 4000V\u003c\/li\u003e\n\u003cli\u003eAvailable in various form factors including surface-mount and axial lead configurations\u003c\/li\u003e\n\u003cli\u003eLow capacitance for minimal signal distortion\u003c\/li\u003e\n\u003cli\u003eHigh accuracy spark-over voltages for precise surge protection\u003c\/li\u003e\n\u003cli\u003eSuitable for high-frequency applications such as telecom, power lines, and data transmission\u003c\/li\u003e\n\u003cli\u003eCertified to UL497B and UL1449 standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTelecommunications: MDF modules, xDSL equipment, RF systems, base stations\u003c\/li\u003e\n\u003cli\u003eIndustrial and Consumer Electronics: Power supplies, surge protectors, alarm systems\u003c\/li\u003e\n\u003cli\u003eSurge protection on power and data lines\u003c\/li\u003e\n\u003cli\u003eHigh data-rate telecom applications (e.g., ADSL, VDSL)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDevice Voltage Ratings\u003c\/th\u003e\n\u003cth\u003eSurge Rating\u003c\/th\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003cth\u003eAgency Approval\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e75V-4000V (various form factors)\u003c\/td\u003e\n\u003ctd\u003eHigh energy surge diversion\u003c\/td\u003e\n\u003ctd\u003eLow capacitance (e.g., \u0026lt;1.2pF for 75V and 90V devices)\u003c\/td\u003e\n\u003ctd\u003eMeasured at 50V for devices \u0026lt;150V; 250V for \u0026gt;500V\u003c\/td\u003e\n\u003ctd\u003eUL497B, UL1449\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003cth\u003eDimensions (mm)\u003c\/th\u003e\n\u003cth\u003eDimensions (inches)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo Electrode 3mm\u003c\/td\u003e\n\u003ctd\u003eØ3.0 x 1.0\u003c\/td\u003e\n\u003ctd\u003eØ0.118 x 0.039\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo Electrode 5mm\u003c\/td\u003e\n\u003ctd\u003eØ5.0 x 1.3\u003c\/td\u003e\n\u003ctd\u003eØ0.197 x 0.051\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo Electrode 6mm\u003c\/td\u003e\n\u003ctd\u003eØ6.0 x 1.3\u003c\/td\u003e\n\u003ctd\u003eØ0.236 x 0.051\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo Electrode 8mm\u003c\/td\u003e\n\u003ctd\u003eØ8.0 x 1.2\u003c\/td\u003e\n\u003ctd\u003eØ0.315 x 0.047\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for automated manufacturing with surface-mount options\u003c\/li\u003e\n\u003cli\u003eOptional fail-short mechanism available\u003c\/li\u003e\n\u003cli\u003eDevices are non-radioactive and environmentally friendly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eSpecifications are subject to change without notice. Please refer to the datasheet for detailed technical information. For more details, search the internet for the part number GTCA28-402L-R03.\u003c\/p\u003e\u003cbr\u003e"}
