Home
131-3701-811
Product Description: Connectors STRT END 50 OHM JACK RCPT
Introducing the EFJ series 50 Ohm SMB end launch jack receptacle, manufactured by CINCH CONNECTIVITY SOLUTIONS. Designed for high-frequency RF applications, this connector offers reliable performance within a compact form factor.
Part Number: 131-3701-811
Manufacturer: CINCH CONNECTIVITY SOLUTIONS
Country of Origin (COO): US
Unit of Measure (UOM): EA
ECCN: EAR99
Package Type: BAG
Datasheet: Download Datasheet
Key Features
Impedance: 50 ohms suitable for RF applications up to 4 GHz
End launch jack receptacle with tab contact design
Gold and nickel plating options for enhanced durability and corrosion resistance
Designed to meet MIL-C-39012 series SMB specifications
Mechanical engagement force: 2 to 14 pounds
Durability: minimum of 500 mating cycles
Temperature range: -65°C to +165°C
RoHS compliant
Electrical Specifications
Parameter
Value
Frequency Range
0-4 GHz
VSWR
Dependent on mating conditions
Working Voltage
250 Vrms at sea level (RG-178 cable)
Dielectric Withstanding Voltage
750 VRMS (RG-178), 1000 VRMS (RG-316, RG-58, .086 semi-rigid)
Insertion Loss
0.30 dB (straight cable connectors) at 1.5 GHz
Contact Resistance
Max 6.0 milliohms (initial), 8.0 milliohms (after environmental testing)
Insulation Resistance
Minimum 1000 Megohms
Mechanical & Environmental Ratings
Engagement Series: MIL-C-39012, Series SMB
Engagement/Disengagement Force: 2 to 14 pounds
Durability: 500 cycles minimum
Temperature Range: -65°C to +165°C
Shock, Vibration, Corrosion: Meets MIL-STD-202 standards
Material Specifications
Body: Brass or zinc, gold or nickel plated
Contacts: Brass (gold plated) male, Beryllium copper (gold plated) female
Insulators: PTFE fluorocarbon or PFA 340
Mounting Hardware: Brass or phosphor bronze, gold or nickel plated
Additional Details
Maximum Power Rating: 0.5 watt at +25°C, derated to 0.25 watt at +125°C
RF Leakage: -55 dB at 2.5 GHz
RoHS compliant
For more detailed specifications, please refer to the datasheet .
Note: Datasheet was not processed; please search the internet for the part number 131-3701-811 for more details.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
{"id":10022219186493,"title":"131-3701-811","handle":"131-3701-811","description":"\u003ch3\u003eProduct Description: Connectors STRT END 50 OHM JACK RCPT\u003c\/h3\u003e\n\u003cp\u003eIntroducing the EFJ series 50 Ohm SMB end launch jack receptacle, manufactured by CINCH CONNECTIVITY SOLUTIONS. Designed for high-frequency RF applications, this connector offers reliable performance within a compact form factor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 131-3701-811\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CINCH CONNECTIVITY SOLUTIONS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin (COO):\u003c\/strong\u003e US\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BAG\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/EMER\/EMERS04802\/EMERS04842-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eImpedance: 50 ohms suitable for RF applications up to 4 GHz\u003c\/li\u003e\n \u003cli\u003eEnd launch jack receptacle with tab contact design\u003c\/li\u003e\n \u003cli\u003eGold and nickel plating options for enhanced durability and corrosion resistance\u003c\/li\u003e\n \u003cli\u003eDesigned to meet MIL-C-39012 series SMB specifications\u003c\/li\u003e\n \u003cli\u003eMechanical engagement force: 2 to 14 pounds\u003c\/li\u003e\n \u003cli\u003eDurability: minimum of 500 mating cycles\u003c\/li\u003e\n \u003cli\u003eTemperature range: -65°C to +165°C\u003c\/li\u003e\n \u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eValue\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eFrequency Range\u003c\/td\u003e\n \u003ctd\u003e0-4 GHz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVSWR\u003c\/td\u003e\n \u003ctd\u003eDependent on mating conditions\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWorking Voltage\u003c\/td\u003e\n \u003ctd\u003e250 Vrms at sea level (RG-178 cable)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Withstanding Voltage\u003c\/td\u003e\n \u003ctd\u003e750 VRMS (RG-178), 1000 VRMS (RG-316, RG-58, .086 semi-rigid)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsertion Loss\u003c\/td\u003e\n \u003ctd\u003e0.30 dB (straight cable connectors) at 1.5 GHz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance\u003c\/td\u003e\n \u003ctd\u003eMax 6.0 milliohms (initial), 8.0 milliohms (after environmental testing)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n \u003ctd\u003eMinimum 1000 Megohms\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMechanical \u0026amp; Environmental Ratings\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eEngagement Series: MIL-C-39012, Series SMB\u003c\/li\u003e\n \u003cli\u003eEngagement\/Disengagement Force: 2 to 14 pounds\u003c\/li\u003e\n \u003cli\u003eDurability: 500 cycles minimum\u003c\/li\u003e\n \u003cli\u003eTemperature Range: -65°C to +165°C\u003c\/li\u003e\n \u003cli\u003eShock, Vibration, Corrosion: Meets MIL-STD-202 standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaterial Specifications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eBody: Brass or zinc, gold or nickel plated\u003c\/li\u003e\n \u003cli\u003eContacts: Brass (gold plated) male, Beryllium copper (gold plated) female\u003c\/li\u003e\n \u003cli\u003eInsulators: PTFE fluorocarbon or PFA 340\u003c\/li\u003e\n \u003cli\u003eMounting Hardware: Brass or phosphor bronze, gold or nickel plated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMaximum Power Rating: 0.5 watt at +25°C, derated to 0.25 watt at +125°C\u003c\/li\u003e\n \u003cli\u003eRF Leakage: -55 dB at 2.5 GHz\u003c\/li\u003e\n \u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications, please refer to the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/EMER\/EMERS04802\/EMERS04842-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Datasheet was not processed; please search the internet for the part number 131-3701-811 for more details.\u003c\/em\u003e\u003c\/p\u003e","published_at":"2025-08-13T05:26:59+05:30","created_at":"2025-08-13T05:26:59+05:30","vendor":"Waldom Electonics","type":"Connector","tags":["CINCH-CON","Connector","IMPORT_CSV","Ssmb","STRT","WLDM"],"price":157994,"price_min":157994,"price_max":157994,"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":50614133817661,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"131-3701-811","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"131-3701-811","public_title":null,"options":["Default Title"],"price":157994,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"131-3701-811","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/131-3701-811_11276482_289c4e2d.jpg?v=1755043022"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/131-3701-811_11276482_289c4e2d.jpg?v=1755043022","options":["Title"],"media":[{"alt":null,"id":45810822840637,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/131-3701-811_11276482_289c4e2d.jpg?v=1755043022"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/131-3701-811_11276482_289c4e2d.jpg?v=1755043022","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description: Connectors STRT END 50 OHM JACK RCPT\u003c\/h3\u003e\n\u003cp\u003eIntroducing the EFJ series 50 Ohm SMB end launch jack receptacle, manufactured by CINCH CONNECTIVITY SOLUTIONS. Designed for high-frequency RF applications, this connector offers reliable performance within a compact form factor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 131-3701-811\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CINCH CONNECTIVITY SOLUTIONS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin (COO):\u003c\/strong\u003e US\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BAG\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/EMER\/EMERS04802\/EMERS04842-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eImpedance: 50 ohms suitable for RF applications up to 4 GHz\u003c\/li\u003e\n \u003cli\u003eEnd launch jack receptacle with tab contact design\u003c\/li\u003e\n \u003cli\u003eGold and nickel plating options for enhanced durability and corrosion resistance\u003c\/li\u003e\n \u003cli\u003eDesigned to meet MIL-C-39012 series SMB specifications\u003c\/li\u003e\n \u003cli\u003eMechanical engagement force: 2 to 14 pounds\u003c\/li\u003e\n \u003cli\u003eDurability: minimum of 500 mating cycles\u003c\/li\u003e\n \u003cli\u003eTemperature range: -65°C to +165°C\u003c\/li\u003e\n \u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eValue\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eFrequency Range\u003c\/td\u003e\n \u003ctd\u003e0-4 GHz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVSWR\u003c\/td\u003e\n \u003ctd\u003eDependent on mating conditions\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWorking Voltage\u003c\/td\u003e\n \u003ctd\u003e250 Vrms at sea level (RG-178 cable)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Withstanding Voltage\u003c\/td\u003e\n \u003ctd\u003e750 VRMS (RG-178), 1000 VRMS (RG-316, RG-58, .086 semi-rigid)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsertion Loss\u003c\/td\u003e\n \u003ctd\u003e0.30 dB (straight cable connectors) at 1.5 GHz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance\u003c\/td\u003e\n \u003ctd\u003eMax 6.0 milliohms (initial), 8.0 milliohms (after environmental testing)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n \u003ctd\u003eMinimum 1000 Megohms\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMechanical \u0026amp; Environmental Ratings\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eEngagement Series: MIL-C-39012, Series SMB\u003c\/li\u003e\n \u003cli\u003eEngagement\/Disengagement Force: 2 to 14 pounds\u003c\/li\u003e\n \u003cli\u003eDurability: 500 cycles minimum\u003c\/li\u003e\n \u003cli\u003eTemperature Range: -65°C to +165°C\u003c\/li\u003e\n \u003cli\u003eShock, Vibration, Corrosion: Meets MIL-STD-202 standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaterial Specifications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eBody: Brass or zinc, gold or nickel plated\u003c\/li\u003e\n \u003cli\u003eContacts: Brass (gold plated) male, Beryllium copper (gold plated) female\u003c\/li\u003e\n \u003cli\u003eInsulators: PTFE fluorocarbon or PFA 340\u003c\/li\u003e\n \u003cli\u003eMounting Hardware: Brass or phosphor bronze, gold or nickel plated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMaximum Power Rating: 0.5 watt at +25°C, derated to 0.25 watt at +125°C\u003c\/li\u003e\n \u003cli\u003eRF Leakage: -55 dB at 2.5 GHz\u003c\/li\u003e\n \u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications, please refer to the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/EMER\/EMERS04802\/EMERS04842-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Datasheet was not processed; please search the internet for the part number 131-3701-811 for more details.\u003c\/em\u003e\u003c\/p\u003e"}
{
"product_id": 10022219186493,
"variant_id" : 50614133817661,
"variant_available" : true,
"inventory_quantity" : 741,
"inventory_management" : "shopify",
"inventory_policy" : "deny",
"image": "//thinkrobotics.com/cdn/shop/files/131-3701-811_11276482_289c4e2d.jpg?v=1755043022",
"price": "157994",
"title": "Default Title",
"value": "Default Title"
}
{
"product_id": "MTAwMjIyMTkxODY0OTM=",
"variant_id" : "NTA2MTQxMzM4MTc2NjE=",
"variant_available" : "dHJ1ZQ==",
"inventory_quantity" : "NzQx",
"inventory_management" :"c2hvcGlmeQ==",
"inventory_policy" : "ZGVueQ==",
"image":"JTJGJTJGdGhpbmtyb2JvdGljcy5jb20lMkZjZG4lMkZzaG9wJTJGZmlsZXMlMkYxMzEtMzcwMS04MTFfMTEyNzY0ODJfMjg5YzRlMmQuanBnJTNGdiUzRDE3NTUwNDMwMjI=",
"price": "MTU3OTk0",
"title": "RGVmYXVsdCtUaXRsZQ==",
"value": "RGVmYXVsdCtUaXRsZQ==",
"variant_options": {"Title": "RGVmYXVsdCtUaXRsZQ=="
}
}
India
---
Australia
Canada
India
Mexico
United Arab Emirates
United States
