Enhance your electronic designs with the high-quality MELF resistors from IRC/TT Electronics. Designed for precision and reliability, these surface-mount resistors are ideal for applications requiring stable performance under various environmental conditions.
0.1 to 2.21 MΩ (Standard & Tight Tolerance options available)
Maximum Power Rating
1W @ 70°C
Working Voltage
350V
Maximum Voltage
700V
Tolerance
±0.25%, ±1%, ±2%, ±5%
Temperature Coefficient (TCR)
50 ppm/°C or 100 ppm/°C (consult datasheet for specific values)
Environmental and Reliability Data:
Thermal Shock: ±0.25% + 0.01Ω (MIL-PRF-55342H)
Low Temperature Operation: ±0.25% + 0.01Ω (-65°C)
Short Time Overload: ±0.5% + 0.01Ω
High Temperature Exposure (150°C x 100 hours): ±0.5% + 0.01Ω
Resistance to Bonding Exposure: ±0.25% + 0.01Ω
Moisture Resistance: ±0.5% + 0.01Ω
Life Test (2000 hours @ 70°C): ±1% + 0.01Ω
Solderability: Minimum 95% coverage
Terminal Adhesion Strength: ±1% + 0.01Ω (push and flex tests)
Physical Dimensions:
Size Code
Industry Footprint
Actual Size (Inches)
Dimensions (L x W x C)
F
2512
0.251 ± 0.010 (6.38 ± 0.25 mm)
0.251 x 0.079 x 0.040 inches (6.38 x 2.01 x 1.02 mm)
Packaging and Ordering:
Standard reel packaging per EIA-481, with quantities up to 2,500 components per reel. For detailed ordering options, refer to datasheet or contact TT Electronics.
Note:
All Pb-free parts comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3). TT Electronics reserves the right to make changes in product specifications without notice. Please consult the datasheet or contact the manufacturer for the most current information.
{"id":10027424842045,"title":"CHP21004R99F","handle":"chp21004r99f","description":"\u003ch3\u003eIRC\/TT ELECTRONICS MELF Resistors CHP-2-100-4R99-F\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic designs with the high-quality MELF resistors from IRC\/TT Electronics. Designed for precision and reliability, these surface-mount resistors are ideal for applications requiring stable performance under various environmental conditions.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: \u003cstrong\u003eCHP21004R99F\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eManufacturer: \u003cstrong\u003eIRC\/TT ELECTRONICS\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: \u003cstrong\u003eMX (Mexico)\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: \u003cstrong\u003eEA (Each)\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eECCN: \u003cstrong\u003eEAR99\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003ePackage Type: \u003cstrong\u003eSurface Mount MELF\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eProduct Category: \u003cstrong\u003eResistors | MELF Resistors\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-irc\/irc-chp21004r99f.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Range\u003c\/td\u003e\n \u003ctd\u003e0.1 to 2.21 MΩ (Standard \u0026amp; Tight Tolerance options available)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Power Rating\u003c\/td\u003e\n \u003ctd\u003e1W @ 70°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWorking Voltage\u003c\/td\u003e\n \u003ctd\u003e350V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Voltage\u003c\/td\u003e\n \u003ctd\u003e700V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTolerance\u003c\/td\u003e\n \u003ctd\u003e±0.25%, ±1%, ±2%, ±5%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Coefficient (TCR)\u003c\/td\u003e\n \u003ctd\u003e50 ppm\/°C or 100 ppm\/°C (consult datasheet for specific values)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental and Reliability Data:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eThermal Shock: ±0.25% + 0.01Ω (MIL-PRF-55342H)\u003c\/li\u003e\n \u003cli\u003eLow Temperature Operation: ±0.25% + 0.01Ω (-65°C)\u003c\/li\u003e\n \u003cli\u003eShort Time Overload: ±0.5% + 0.01Ω\u003c\/li\u003e\n \u003cli\u003eHigh Temperature Exposure (150°C x 100 hours): ±0.5% + 0.01Ω\u003c\/li\u003e\n \u003cli\u003eResistance to Bonding Exposure: ±0.25% + 0.01Ω\u003c\/li\u003e\n \u003cli\u003eMoisture Resistance: ±0.5% + 0.01Ω\u003c\/li\u003e\n \u003cli\u003eLife Test (2000 hours @ 70°C): ±1% + 0.01Ω\u003c\/li\u003e\n \u003cli\u003eSolderability: Minimum 95% coverage\u003c\/li\u003e\n \u003cli\u003eTerminal Adhesion Strength: ±1% + 0.01Ω (push and flex tests)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePhysical Dimensions:\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eSize Code\u003c\/th\u003e\n \u003cth\u003eIndustry Footprint\u003c\/th\u003e\n \u003cth\u003eActual Size (Inches)\u003c\/th\u003e\n \u003cth\u003eDimensions (L x W x C)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eF\u003c\/td\u003e\n \u003ctd\u003e2512\u003c\/td\u003e\n \u003ctd\u003e0.251 ± 0.010 (6.38 ± 0.25 mm)\u003c\/td\u003e\n \u003ctd\u003e0.251 x 0.079 x 0.040 inches (6.38 x 2.01 x 1.02 mm)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackaging and Ordering:\u003c\/h3\u003e\n\u003cp\u003eStandard reel packaging per EIA-481, with quantities up to 2,500 components per reel. For detailed ordering options, refer to datasheet or contact TT Electronics.\u003c\/p\u003e\n\n\u003ch3\u003eNote:\u003c\/h3\u003e\n\u003cp\u003eAll Pb-free parts comply with EU Directive 2011\/65\/EU amended by (EU) 2015\/863 (RoHS3). TT Electronics reserves the right to make changes in product specifications without notice. Please consult the datasheet or contact the manufacturer for the most current information.\u003c\/p\u003e\n\n\u003cp\u003eFor more details, please visit the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-irc\/irc-chp21004r99f.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eDatasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T23:53:31+05:30","created_at":"2025-08-15T23:53:31+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["IMPORT_CSV","IMPORT_PT2","IRC-TTEL","MELF","Resistor","WLDM"],"price":6930,"price_min":6930,"price_max":6930,"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":50625372324157,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CHP21004R99F","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"CHP21004R99F","public_title":null,"options":["Default Title"],"price":6930,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"CHP21004R99F","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/CHP21004R99F_54995612_c9179980.jpg?v=1755282215"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CHP21004R99F_54995612_c9179980.jpg?v=1755282215","options":["Title"],"media":[{"alt":null,"id":45858368880957,"position":1,"preview_image":{"aspect_ratio":1.5,"height":200,"width":300,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CHP21004R99F_54995612_c9179980.jpg?v=1755282215"},"aspect_ratio":1.5,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CHP21004R99F_54995612_c9179980.jpg?v=1755282215","width":300}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eIRC\/TT ELECTRONICS MELF Resistors CHP-2-100-4R99-F\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic designs with the high-quality MELF resistors from IRC\/TT Electronics. Designed for precision and reliability, these surface-mount resistors are ideal for applications requiring stable performance under various environmental conditions.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: \u003cstrong\u003eCHP21004R99F\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eManufacturer: \u003cstrong\u003eIRC\/TT ELECTRONICS\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: \u003cstrong\u003eMX (Mexico)\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: \u003cstrong\u003eEA (Each)\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eECCN: \u003cstrong\u003eEAR99\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003ePackage Type: \u003cstrong\u003eSurface Mount MELF\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eProduct Category: \u003cstrong\u003eResistors | MELF Resistors\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-irc\/irc-chp21004r99f.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Range\u003c\/td\u003e\n \u003ctd\u003e0.1 to 2.21 MΩ (Standard \u0026amp; Tight Tolerance options available)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Power Rating\u003c\/td\u003e\n \u003ctd\u003e1W @ 70°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWorking Voltage\u003c\/td\u003e\n \u003ctd\u003e350V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Voltage\u003c\/td\u003e\n \u003ctd\u003e700V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTolerance\u003c\/td\u003e\n \u003ctd\u003e±0.25%, ±1%, ±2%, ±5%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Coefficient (TCR)\u003c\/td\u003e\n \u003ctd\u003e50 ppm\/°C or 100 ppm\/°C (consult datasheet for specific values)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental and Reliability Data:\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eThermal Shock: ±0.25% + 0.01Ω (MIL-PRF-55342H)\u003c\/li\u003e\n \u003cli\u003eLow Temperature Operation: ±0.25% + 0.01Ω (-65°C)\u003c\/li\u003e\n \u003cli\u003eShort Time Overload: ±0.5% + 0.01Ω\u003c\/li\u003e\n \u003cli\u003eHigh Temperature Exposure (150°C x 100 hours): ±0.5% + 0.01Ω\u003c\/li\u003e\n \u003cli\u003eResistance to Bonding Exposure: ±0.25% + 0.01Ω\u003c\/li\u003e\n \u003cli\u003eMoisture Resistance: ±0.5% + 0.01Ω\u003c\/li\u003e\n \u003cli\u003eLife Test (2000 hours @ 70°C): ±1% + 0.01Ω\u003c\/li\u003e\n \u003cli\u003eSolderability: Minimum 95% coverage\u003c\/li\u003e\n \u003cli\u003eTerminal Adhesion Strength: ±1% + 0.01Ω (push and flex tests)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePhysical Dimensions:\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eSize Code\u003c\/th\u003e\n \u003cth\u003eIndustry Footprint\u003c\/th\u003e\n \u003cth\u003eActual Size (Inches)\u003c\/th\u003e\n \u003cth\u003eDimensions (L x W x C)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eF\u003c\/td\u003e\n \u003ctd\u003e2512\u003c\/td\u003e\n \u003ctd\u003e0.251 ± 0.010 (6.38 ± 0.25 mm)\u003c\/td\u003e\n \u003ctd\u003e0.251 x 0.079 x 0.040 inches (6.38 x 2.01 x 1.02 mm)\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackaging and Ordering:\u003c\/h3\u003e\n\u003cp\u003eStandard reel packaging per EIA-481, with quantities up to 2,500 components per reel. For detailed ordering options, refer to datasheet or contact TT Electronics.\u003c\/p\u003e\n\n\u003ch3\u003eNote:\u003c\/h3\u003e\n\u003cp\u003eAll Pb-free parts comply with EU Directive 2011\/65\/EU amended by (EU) 2015\/863 (RoHS3). TT Electronics reserves the right to make changes in product specifications without notice. Please consult the datasheet or contact the manufacturer for the most current information.\u003c\/p\u003e\n\n\u003cp\u003eFor more details, please visit the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-irc\/irc-chp21004r99f.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eDatasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
