Home
WALSIN
MR12X1400FTL
WALSIN WSN MR12X1400FTL Resistor - 140 Ohm, 1% Tolerance, 1206 Size
The WALSIN WSN MR12X1400FTL is a high-reliability thick film surface-mount resistor designed for demanding electronic applications. Constructed with a high-grade ceramic body (aluminum oxide), this resistor offers excellent stability and sulfuration resistance, making it suitable for automotive, military, and industrial environments.
Product Features
Resistance: 140 Ohms with ±1% tolerance (E96/E24 series)
Size: 1206 (3216)
High reliability and stability with TCR (Temperature Coefficient of Resistance) ≤ ±200 ppm/°C
Sulfuration resistant and RoHS 2 compliant
Automotive AEC Q-200 & Military MIL-STD qualified
100% CCD inspection for quality assurance
Halogen free and environmentally friendly
Suitable for automotive, consumer electronics, computing, and telecom applications
Technical Specifications
Series No.
MR12
Size Code
1206 (3216)
Resistance Range
1Ω to 10MΩ (±5%), Jumper 1Ω to 10MΩ (±1%)
Resistance Tolerance
±1% (E96/E24), ±5% (E24)
Maximum Dissipation @ 70°C
1/4 W
Maximum Operation Voltage
200V DC/RMS
Maximum Overload Voltage
400V DC/RMS
Operating Temperature
-55°C to +155°C
Storage Temperature
5°C to 40°C
Physical Dimensions
Dimension
Value (mm)
Length (L)
3.10 ± 0.10
Width (W)
2.60 ± 0.10
Thickness (T)
0.55 ± 0.10
Packaging and Marking
Package Type: Reel
Marking: 3-digit code for ±5%, 4-digit code for ±1%
Net Weight: 16 mg per piece
Additional Information
For detailed technical data, please refer to the datasheet .
Part Number: MR12X1400FTL
Manufacturer: WALSIN
Country of Origin: CN
UOM: EA
ECCN: EAR99
Note: Datasheet was not processed please search the internet for the part number for more details.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
{"id":10021906841917,"title":"MR12X1400FTL","handle":"mr12x1400ftl","description":"\u003ch3\u003eWALSIN WSN MR12X1400FTL Resistor - 140 Ohm, 1% Tolerance, 1206 Size\u003c\/h3\u003e\n\n\u003cp\u003eThe WALSIN WSN MR12X1400FTL is a high-reliability thick film surface-mount resistor designed for demanding electronic applications. Constructed with a high-grade ceramic body (aluminum oxide), this resistor offers excellent stability and sulfuration resistance, making it suitable for automotive, military, and industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eResistance: 140 Ohms with ±1% tolerance (E96\/E24 series)\u003c\/li\u003e\n \u003cli\u003eSize: 1206 (3216)\u003c\/li\u003e\n \u003cli\u003eHigh reliability and stability with TCR (Temperature Coefficient of Resistance) ≤ ±200 ppm\/°C\u003c\/li\u003e\n \u003cli\u003eSulfuration resistant and RoHS 2 compliant\u003c\/li\u003e\n \u003cli\u003eAutomotive AEC Q-200 \u0026amp; Military MIL-STD qualified\u003c\/li\u003e\n \u003cli\u003e100% CCD inspection for quality assurance\u003c\/li\u003e\n \u003cli\u003eHalogen free and environmentally friendly\u003c\/li\u003e\n \u003cli\u003eSuitable for automotive, consumer electronics, computing, and telecom applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eSeries No.\u003c\/th\u003e\n \u003ctd\u003eMR12\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSize Code\u003c\/th\u003e\n \u003ctd\u003e1206 (3216)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eResistance Range\u003c\/th\u003e\n \u003ctd\u003e1Ω to 10MΩ (±5%), Jumper 1Ω to 10MΩ (±1%)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eResistance Tolerance\u003c\/th\u003e\n \u003ctd\u003e±1% (E96\/E24), ±5% (E24)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Dissipation @ 70°C\u003c\/th\u003e\n \u003ctd\u003e1\/4 W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Operation Voltage\u003c\/th\u003e\n \u003ctd\u003e200V DC\/RMS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Overload Voltage\u003c\/th\u003e\n \u003ctd\u003e400V DC\/RMS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature\u003c\/th\u003e\n \u003ctd\u003e-55°C to +155°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eStorage Temperature\u003c\/th\u003e\n \u003ctd\u003e5°C to 40°C\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\u003eDimension\u003c\/th\u003e\n \u003cth\u003eValue (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLength (L)\u003c\/td\u003e\n \u003ctd\u003e3.10 ± 0.10\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWidth (W)\u003c\/td\u003e\n \u003ctd\u003e2.60 ± 0.10\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eThickness (T)\u003c\/td\u003e\n \u003ctd\u003e0.55 ± 0.10\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackaging and Marking\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eMarking: 3-digit code for ±5%, 4-digit code for ±1%\u003c\/li\u003e\n \u003cli\u003eNet Weight: 16 mg per piece\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-mr12x1400ftl.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePart Number: MR12X1400FTL\u003c\/p\u003e\n\u003cp\u003eManufacturer: WALSIN\u003c\/p\u003e\n\u003cp\u003eCountry of Origin: CN\u003c\/p\u003e\n\u003cp\u003eUOM: EA\u003c\/p\u003e\n\u003cp\u003eECCN: EAR99\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Datasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-08-13T00:11:21+05:30","created_at":"2025-08-13T00:11:21+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["IMPORT_CSV","RES","Resistors","Smd","WALSI-X","WLDM"],"price":49,"price_min":49,"price_max":49,"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":50613489795389,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MR12X1400FTL","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"MR12X1400FTL","public_title":null,"options":["Default Title"],"price":49,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"MR12X1400FTL","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/MR12X1400FTL_56111858_a1d7be6b.jpg?v=1755024085"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MR12X1400FTL_56111858_a1d7be6b.jpg?v=1755024085","options":["Title"],"media":[{"alt":null,"id":45807556034877,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MR12X1400FTL_56111858_a1d7be6b.jpg?v=1755024085"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MR12X1400FTL_56111858_a1d7be6b.jpg?v=1755024085","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eWALSIN WSN MR12X1400FTL Resistor - 140 Ohm, 1% Tolerance, 1206 Size\u003c\/h3\u003e\n\n\u003cp\u003eThe WALSIN WSN MR12X1400FTL is a high-reliability thick film surface-mount resistor designed for demanding electronic applications. Constructed with a high-grade ceramic body (aluminum oxide), this resistor offers excellent stability and sulfuration resistance, making it suitable for automotive, military, and industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eResistance: 140 Ohms with ±1% tolerance (E96\/E24 series)\u003c\/li\u003e\n \u003cli\u003eSize: 1206 (3216)\u003c\/li\u003e\n \u003cli\u003eHigh reliability and stability with TCR (Temperature Coefficient of Resistance) ≤ ±200 ppm\/°C\u003c\/li\u003e\n \u003cli\u003eSulfuration resistant and RoHS 2 compliant\u003c\/li\u003e\n \u003cli\u003eAutomotive AEC Q-200 \u0026amp; Military MIL-STD qualified\u003c\/li\u003e\n \u003cli\u003e100% CCD inspection for quality assurance\u003c\/li\u003e\n \u003cli\u003eHalogen free and environmentally friendly\u003c\/li\u003e\n \u003cli\u003eSuitable for automotive, consumer electronics, computing, and telecom applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eSeries No.\u003c\/th\u003e\n \u003ctd\u003eMR12\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSize Code\u003c\/th\u003e\n \u003ctd\u003e1206 (3216)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eResistance Range\u003c\/th\u003e\n \u003ctd\u003e1Ω to 10MΩ (±5%), Jumper 1Ω to 10MΩ (±1%)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eResistance Tolerance\u003c\/th\u003e\n \u003ctd\u003e±1% (E96\/E24), ±5% (E24)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Dissipation @ 70°C\u003c\/th\u003e\n \u003ctd\u003e1\/4 W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Operation Voltage\u003c\/th\u003e\n \u003ctd\u003e200V DC\/RMS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Overload Voltage\u003c\/th\u003e\n \u003ctd\u003e400V DC\/RMS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature\u003c\/th\u003e\n \u003ctd\u003e-55°C to +155°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eStorage Temperature\u003c\/th\u003e\n \u003ctd\u003e5°C to 40°C\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\u003eDimension\u003c\/th\u003e\n \u003cth\u003eValue (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLength (L)\u003c\/td\u003e\n \u003ctd\u003e3.10 ± 0.10\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWidth (W)\u003c\/td\u003e\n \u003ctd\u003e2.60 ± 0.10\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eThickness (T)\u003c\/td\u003e\n \u003ctd\u003e0.55 ± 0.10\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackaging and Marking\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eMarking: 3-digit code for ±5%, 4-digit code for ±1%\u003c\/li\u003e\n \u003cli\u003eNet Weight: 16 mg per piece\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-mr12x1400ftl.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePart Number: MR12X1400FTL\u003c\/p\u003e\n\u003cp\u003eManufacturer: WALSIN\u003c\/p\u003e\n\u003cp\u003eCountry of Origin: CN\u003c\/p\u003e\n\u003cp\u003eUOM: EA\u003c\/p\u003e\n\u003cp\u003eECCN: EAR99\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Datasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e"}
{
"product_id": 10021906841917,
"variant_id" : 50613489795389,
"variant_available" : true,
"inventory_quantity" : 75000,
"inventory_management" : "shopify",
"inventory_policy" : "deny",
"image": "//thinkrobotics.com/cdn/shop/files/MR12X1400FTL_56111858_a1d7be6b.jpg?v=1755024085",
"price": "49",
"title": "Default Title",
"value": "Default Title"
}
{
"product_id": "MTAwMjE5MDY4NDE5MTc=",
"variant_id" : "NTA2MTM0ODk3OTUzODk=",
"variant_available" : "dHJ1ZQ==",
"inventory_quantity" : "NzUwMDA=",
"inventory_management" :"c2hvcGlmeQ==",
"inventory_policy" : "ZGVueQ==",
"image":"JTJGJTJGdGhpbmtyb2JvdGljcy5jb20lMkZjZG4lMkZzaG9wJTJGZmlsZXMlMkZNUjEyWDE0MDBGVExfNTYxMTE4NThfYTFkN2JlNmIuanBnJTNGdiUzRDE3NTUwMjQwODU=",
"price": "NDk=",
"title": "RGVmYXVsdCtUaXRsZQ==",
"value": "RGVmYXVsdCtUaXRsZQ==",
"variant_options": {"Title": "RGVmYXVsdCtUaXRsZQ=="
}
}
India
---
Australia
Canada
India
Mexico
United Arab Emirates
United States
