Multicomp Pro MPP MCWK12V125 JTL High Voltage Chip Resistor
The Multicomp Pro MCWK12V125 JTL is a high voltage chip resistor designed with a ceramic body (aluminium oxide) construction, suitable for applications requiring high working voltage and reliable performance. Manufactured in China (COO: CN), this resistor adheres to RoHS standards and is classified under ECCN: EAR99.
Product Features
Constructed with high-grade ceramic (aluminium oxide) for durability and stability
Resistive layer covered with protective coating for enhanced reliability
External end terminations made of lead-free tin alloy for ease of soldering
Compatible with flow and reflow soldering processes
Designed for high working voltage applications
Suitable for power supply, automotive, measurement instruments, backlight inverter, medical, and military equipment
Specifications
Item
Series No.
Size code
Resistance Tolerance
Resistance Range
Max. Dissipation @ Tamb = 70°C
Max. Operation Voltage (DC or RMS)
Max. Overload Voltage (DC or RMS)
Climatic category (IEC 60068)
General Specification
MCWK12V
1206 (3216)
±1%, ±2%, ±5%
±5%: 47Ω ~ 51MΩ ±1%, ±2%: 47Ω ~ 10MΩ
1/4 W
500V
1000V
55/125/56
Electrical and Mechanical Details
Resistance TCR: +500 to -200 ppm/°C (±200 to ±100 ppm/°C)
Dimensions (L x W x T): 3.2 ±0.15mm x 1.6 ±0.15mm x 0.55 ±0.1mm
Marking: Three-digit code for E24 series (e.g., 105 = 1MΩ), four-digit code for E96 series
Mounting: Suitable for ceramic substrates and PCBs with reliable soldering connections
Testing and Compliance
Test
Procedure
Requirement
Temperature Coefficient of Resistance (TCR)
Natural resistance change per °C
Refer to TCR specification
Short time overload
2 seconds at 2.5× RCWV or max overload voltage
No damage, ∆R/R max. ±(1% + 0.05Ω)
Solderability
Immersion in SAC solder bath at 235°C for 2 seconds
≥95% coverage, no damage
Resistance to soldering heat
Immersion in SAC solder bath at 260°C for 10 seconds
No damage, ∆R/R max. ±(1% + 0.05Ω)
Temperature cycling
-55°C to +155°C cycles
No damage, ∆R/R max. ±(1% + 0.05Ω)
Load life (endurance)
1000 hours at 70°C with RCWV or Vmax
Max. ∆R/R ±(5% + 0.1Ω)
Packaging
Resistors are supplied in tape packaging with 8mm width paper tape, containing 5,000 pcs per reel. Reel dimensions are Φ180mm with detailed specifications available in the datasheet.
Datasheet
For detailed technical information, please refer to the Datasheet.
Note
This product complies with RoHS standards and is classified under ECCN: EAR99. The maximum continuous voltage (RCWV) is determined by the rated power and resistance value, not exceeding the maximum voltage ratings listed above.
Disclaimer: The datasheet was not processed; please search the internet for the part number for more details.
Note: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.
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{"id":10007777509693,"title":"MCWK12V125 JTL","handle":"mcwk12v125-jtl","description":"\u003ch3\u003eMulticomp Pro MPP MCWK12V125 JTL High Voltage Chip Resistor\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMulticomp Pro MCWK12V125 JTL\u003c\/strong\u003e is a high voltage chip resistor designed with a ceramic body (aluminium oxide) construction, suitable for applications requiring high working voltage and reliable performance. Manufactured in China (COO: CN), this resistor adheres to RoHS standards and is classified under ECCN: EAR99.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eConstructed with high-grade ceramic (aluminium oxide) for durability and stability\u003c\/li\u003e\n \u003cli\u003eResistive layer covered with protective coating for enhanced reliability\u003c\/li\u003e\n \u003cli\u003eExternal end terminations made of lead-free tin alloy for ease of soldering\u003c\/li\u003e\n \u003cli\u003eCompatible with flow and reflow soldering processes\u003c\/li\u003e\n \u003cli\u003eDesigned for high working voltage applications\u003c\/li\u003e\n \u003cli\u003eSuitable for power supply, automotive, measurement instruments, backlight inverter, medical, and military equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eItem\u003c\/th\u003e\n \u003cth\u003eSeries No.\u003c\/th\u003e\n \u003cth\u003eSize code\u003c\/th\u003e\n \u003cth\u003eResistance Tolerance\u003c\/th\u003e\n \u003cth\u003eResistance Range\u003c\/th\u003e\n \u003cth\u003eMax. Dissipation @ Tamb = 70°C\u003c\/th\u003e\n \u003cth\u003eMax. Operation Voltage (DC or RMS)\u003c\/th\u003e\n \u003cth\u003eMax. Overload Voltage (DC or RMS)\u003c\/th\u003e\n \u003cth\u003eClimatic category (IEC 60068)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eGeneral Specification\u003c\/td\u003e\n \u003ctd\u003eMCWK12V\u003c\/td\u003e\n \u003ctd\u003e1206 (3216)\u003c\/td\u003e\n \u003ctd\u003e±1%, ±2%, ±5%\u003c\/td\u003e\n \u003ctd\u003e±5%: 47Ω ~ 51MΩ\u003cbr\u003e±1%, ±2%: 47Ω ~ 10MΩ\u003c\/td\u003e\n \u003ctd\u003e1\/4 W\u003c\/td\u003e\n \u003ctd\u003e500V\u003c\/td\u003e\n \u003ctd\u003e1000V\u003c\/td\u003e\n \u003ctd\u003e55\/125\/56\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eElectrical and Mechanical Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eResistance TCR: +500 to -200 ppm\/°C (±200 to ±100 ppm\/°C)\u003c\/li\u003e\n \u003cli\u003eDimensions (L x W x T): 3.2 ±0.15mm x 1.6 ±0.15mm x 0.55 ±0.1mm\u003c\/li\u003e\n \u003cli\u003eMarking: Three-digit code for E24 series (e.g., 105 = 1MΩ), four-digit code for E96 series\u003c\/li\u003e\n \u003cli\u003eMounting: Suitable for ceramic substrates and PCBs with reliable soldering connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTesting and Compliance\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eTest\u003c\/th\u003e\n \u003cth\u003eProcedure\u003c\/th\u003e\n \u003cth\u003eRequirement\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Coefficient of Resistance (TCR)\u003c\/td\u003e\n \u003ctd\u003eNatural resistance change per °C\u003c\/td\u003e\n \u003ctd\u003eRefer to TCR specification\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eShort time overload\u003c\/td\u003e\n \u003ctd\u003e2 seconds at 2.5× RCWV or max overload voltage\u003c\/td\u003e\n \u003ctd\u003eNo damage, ∆R\/R max. ±(1% + 0.05Ω)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSolderability\u003c\/td\u003e\n \u003ctd\u003eImmersion in SAC solder bath at 235°C for 2 seconds\u003c\/td\u003e\n \u003ctd\u003e≥95% coverage, no damage\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance to soldering heat\u003c\/td\u003e\n \u003ctd\u003eImmersion in SAC solder bath at 260°C for 10 seconds\u003c\/td\u003e\n \u003ctd\u003eNo damage, ∆R\/R max. ±(1% + 0.05Ω)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature cycling\u003c\/td\u003e\n \u003ctd\u003e-55°C to +155°C cycles\u003c\/td\u003e\n \u003ctd\u003eNo damage, ∆R\/R max. ±(1% + 0.05Ω)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLoad life (endurance)\u003c\/td\u003e\n \u003ctd\u003e1000 hours at 70°C with RCWV or Vmax\u003c\/td\u003e\n \u003ctd\u003eMax. ∆R\/R ±(5% + 0.1Ω)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackaging\u003c\/h3\u003e\n\u003cp\u003eResistors are supplied in tape packaging with 8mm width paper tape, containing 5,000 pcs per reel. Reel dimensions are Φ180mm with detailed specifications available in the datasheet.\u003c\/p\u003e\n\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-mpp\/mpp-mcwk12v125-jtl.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eThis product complies with RoHS standards and is classified under ECCN: EAR99. The maximum continuous voltage (RCWV) is determined by the rated power and resistance value, not exceeding the maximum voltage ratings listed above.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eDisclaimer: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\u003e\u003c\/p\u003e","published_at":"2025-08-07T18:09:42+05:30","created_at":"2025-08-07T18:09:42+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["Fixed","MULTI-PRO","Resistors","STD_IMG","WLDM"],"price":333,"price_min":333,"price_max":333,"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":50559594070333,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MCWK12V125 JTL","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"MCWK12V125 JTL","public_title":null,"options":["Default Title"],"price":333,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"MCWK12V125 JTL","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_2d9dcfa6-b1d1-4137-b9d0-61b5e0dc69d7.jpg?v=1754570382"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_2d9dcfa6-b1d1-4137-b9d0-61b5e0dc69d7.jpg?v=1754570382","options":["Title"],"media":[{"alt":null,"id":45713933500733,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_2d9dcfa6-b1d1-4137-b9d0-61b5e0dc69d7.jpg?v=1754570382"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_2d9dcfa6-b1d1-4137-b9d0-61b5e0dc69d7.jpg?v=1754570382","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eMulticomp Pro MPP MCWK12V125 JTL High Voltage Chip Resistor\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMulticomp Pro MCWK12V125 JTL\u003c\/strong\u003e is a high voltage chip resistor designed with a ceramic body (aluminium oxide) construction, suitable for applications requiring high working voltage and reliable performance. Manufactured in China (COO: CN), this resistor adheres to RoHS standards and is classified under ECCN: EAR99.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eConstructed with high-grade ceramic (aluminium oxide) for durability and stability\u003c\/li\u003e\n \u003cli\u003eResistive layer covered with protective coating for enhanced reliability\u003c\/li\u003e\n \u003cli\u003eExternal end terminations made of lead-free tin alloy for ease of soldering\u003c\/li\u003e\n \u003cli\u003eCompatible with flow and reflow soldering processes\u003c\/li\u003e\n \u003cli\u003eDesigned for high working voltage applications\u003c\/li\u003e\n \u003cli\u003eSuitable for power supply, automotive, measurement instruments, backlight inverter, medical, and military equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eItem\u003c\/th\u003e\n \u003cth\u003eSeries No.\u003c\/th\u003e\n \u003cth\u003eSize code\u003c\/th\u003e\n \u003cth\u003eResistance Tolerance\u003c\/th\u003e\n \u003cth\u003eResistance Range\u003c\/th\u003e\n \u003cth\u003eMax. Dissipation @ Tamb = 70°C\u003c\/th\u003e\n \u003cth\u003eMax. Operation Voltage (DC or RMS)\u003c\/th\u003e\n \u003cth\u003eMax. Overload Voltage (DC or RMS)\u003c\/th\u003e\n \u003cth\u003eClimatic category (IEC 60068)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eGeneral Specification\u003c\/td\u003e\n \u003ctd\u003eMCWK12V\u003c\/td\u003e\n \u003ctd\u003e1206 (3216)\u003c\/td\u003e\n \u003ctd\u003e±1%, ±2%, ±5%\u003c\/td\u003e\n \u003ctd\u003e±5%: 47Ω ~ 51MΩ\u003cbr\u003e±1%, ±2%: 47Ω ~ 10MΩ\u003c\/td\u003e\n \u003ctd\u003e1\/4 W\u003c\/td\u003e\n \u003ctd\u003e500V\u003c\/td\u003e\n \u003ctd\u003e1000V\u003c\/td\u003e\n \u003ctd\u003e55\/125\/56\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eElectrical and Mechanical Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eResistance TCR: +500 to -200 ppm\/°C (±200 to ±100 ppm\/°C)\u003c\/li\u003e\n \u003cli\u003eDimensions (L x W x T): 3.2 ±0.15mm x 1.6 ±0.15mm x 0.55 ±0.1mm\u003c\/li\u003e\n \u003cli\u003eMarking: Three-digit code for E24 series (e.g., 105 = 1MΩ), four-digit code for E96 series\u003c\/li\u003e\n \u003cli\u003eMounting: Suitable for ceramic substrates and PCBs with reliable soldering connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTesting and Compliance\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eTest\u003c\/th\u003e\n \u003cth\u003eProcedure\u003c\/th\u003e\n \u003cth\u003eRequirement\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Coefficient of Resistance (TCR)\u003c\/td\u003e\n \u003ctd\u003eNatural resistance change per °C\u003c\/td\u003e\n \u003ctd\u003eRefer to TCR specification\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eShort time overload\u003c\/td\u003e\n \u003ctd\u003e2 seconds at 2.5× RCWV or max overload voltage\u003c\/td\u003e\n \u003ctd\u003eNo damage, ∆R\/R max. ±(1% + 0.05Ω)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSolderability\u003c\/td\u003e\n \u003ctd\u003eImmersion in SAC solder bath at 235°C for 2 seconds\u003c\/td\u003e\n \u003ctd\u003e≥95% coverage, no damage\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance to soldering heat\u003c\/td\u003e\n \u003ctd\u003eImmersion in SAC solder bath at 260°C for 10 seconds\u003c\/td\u003e\n \u003ctd\u003eNo damage, ∆R\/R max. ±(1% + 0.05Ω)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature cycling\u003c\/td\u003e\n \u003ctd\u003e-55°C to +155°C cycles\u003c\/td\u003e\n \u003ctd\u003eNo damage, ∆R\/R max. ±(1% + 0.05Ω)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLoad life (endurance)\u003c\/td\u003e\n \u003ctd\u003e1000 hours at 70°C with RCWV or Vmax\u003c\/td\u003e\n \u003ctd\u003eMax. ∆R\/R ±(5% + 0.1Ω)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackaging\u003c\/h3\u003e\n\u003cp\u003eResistors are supplied in tape packaging with 8mm width paper tape, containing 5,000 pcs per reel. Reel dimensions are Φ180mm with detailed specifications available in the datasheet.\u003c\/p\u003e\n\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-mpp\/mpp-mcwk12v125-jtl.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eThis product complies with RoHS standards and is classified under ECCN: EAR99. The maximum continuous voltage (RCWV) is determined by the rated power and resistance value, not exceeding the maximum voltage ratings listed above.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eDisclaimer: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\u003e\u003c\/p\u003e"}
