IRC PFC-W1206LF-03-4991-B Fixed Resistor Thin Film 0.333W 4990ohm 200V
Enhance your electronic designs with the high-precision and reliable performance of the IRC PFC series fixed thin film resistor. Manufactured by TT Electronics, this surface-mount device offers exceptional stability and environmental resistance, making it ideal for demanding applications.
Product Features
Part Number: PFC-W1206LF-03-4991-B
Manufacturer: IRC/TT ELECTRONICS
Country of Origin: US
Package Type: Reel
Unit of Measure: EA
ECCN: EAR99
RoHS Compliant: Yes
Product Category: Resistors | Thin Film Resistors - SMD
Electrical and Environmental Specifications
Model
Power Rating (70°C)
Max Voltage Rating (P x R)
Temperature Range
ESD Sensitivity
Noise
Termination
Substrate
W1206
333mW
200V
-65°C to +150°C
2KV to 4KV (HBM)
<-25dB
Matte tin or SnPb plated on nickel barrier
96.5% Alumina
Performance and Reliability
Sulfuration resistance: ±0.02% typical, ±0.05% maximum after ASTM B809 (Modified) 105°C Dry, 1000 hours
Thermal Shock: ±0.02% typical, ±0.10% maximum (MIL-PRF-55342)
Low Temperature Operation: ±0.01% typical, ±0.05% maximum
Short Time Overload: ±0.01% typical, ±0.05% maximum
High Temperature Exposure: ±0.03% typical, ±0.10% maximum
Solder Effects: ±0.01% typical, ±0.10% maximum
Moisture Resistance: ±0.03% typical, ±0.10% maximum
Product Life: ±0.03% typical, ±0.10% maximum
Construction Details
Conductors and tantalum nitride resistive element applied to alumina substrate
Laser trimmed to precise value
Protective epoxy coating
Metallized and plated for solderability with wrap-around termination
Available with matte tin or SnPb finish on nickel barrier
Packaged in carrier tape (paper for Pb-free, plastic for SnPb)
Ordering Information
This product is available with multiple part numbers for different tolerances and configurations. For detailed ordering options, refer to the datasheet or contact TT Electronics.
Datasheet
For detailed specifications and application guidelines, view the datasheet here.
Note: The datasheet was not processed. Please search the internet for the part number for more details.
{"id":10027854496061,"title":"PFC-W1206LF-03-4991-B","handle":"pfc-w1206lf-03-4991-b","description":"\u003ch3\u003eIRC PFC-W1206LF-03-4991-B Fixed Resistor Thin Film 0.333W 4990ohm 200V\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic designs with the high-precision and reliable performance of the IRC PFC series fixed thin film resistor. Manufactured by TT Electronics, this surface-mount device offers exceptional stability and environmental resistance, making it ideal for demanding applications.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: \u003cstrong\u003ePFC-W1206LF-03-4991-B\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\u003eUS\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003ePackage Type: \u003cstrong\u003eReel\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: \u003cstrong\u003eEA\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eECCN: \u003cstrong\u003eEAR99\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: \u003cstrong\u003eYes\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eProduct Category: \u003cstrong\u003eResistors | Thin Film Resistors - SMD\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Environmental Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003ePower Rating (70°C)\u003c\/th\u003e\n \u003cth\u003eMax Voltage Rating (P x R)\u003c\/th\u003e\n \u003cth\u003eTemperature Range\u003c\/th\u003e\n \u003cth\u003eESD Sensitivity\u003c\/th\u003e\n \u003cth\u003eNoise\u003c\/th\u003e\n \u003cth\u003eTermination\u003c\/th\u003e\n \u003cth\u003eSubstrate\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eW1206\u003c\/td\u003e\n \u003ctd\u003e333mW\u003c\/td\u003e\n \u003ctd\u003e200V\u003c\/td\u003e\n \u003ctd\u003e-65°C to +150°C\u003c\/td\u003e\n \u003ctd\u003e2KV to 4KV (HBM)\u003c\/td\u003e\n \u003ctd\u003e\u0026lt;-25dB\u003c\/td\u003e\n \u003ctd\u003eMatte tin or SnPb plated on nickel barrier\u003c\/td\u003e\n \u003ctd\u003e96.5% Alumina\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerformance and Reliability\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSulfuration resistance: ±0.02% typical, ±0.05% maximum after ASTM B809 (Modified) 105°C Dry, 1000 hours\u003c\/li\u003e\n \u003cli\u003eThermal Shock: ±0.02% typical, ±0.10% maximum (MIL-PRF-55342)\u003c\/li\u003e\n \u003cli\u003eLow Temperature Operation: ±0.01% typical, ±0.05% maximum\u003c\/li\u003e\n \u003cli\u003eShort Time Overload: ±0.01% typical, ±0.05% maximum\u003c\/li\u003e\n \u003cli\u003eHigh Temperature Exposure: ±0.03% typical, ±0.10% maximum\u003c\/li\u003e\n \u003cli\u003eSolder Effects: ±0.01% typical, ±0.10% maximum\u003c\/li\u003e\n \u003cli\u003eMoisture Resistance: ±0.03% typical, ±0.10% maximum\u003c\/li\u003e\n \u003cli\u003eProduct Life: ±0.03% typical, ±0.10% maximum\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eConductors and tantalum nitride resistive element applied to alumina substrate\u003c\/li\u003e\n \u003cli\u003eLaser trimmed to precise value\u003c\/li\u003e\n \u003cli\u003eProtective epoxy coating\u003c\/li\u003e\n \u003cli\u003eMetallized and plated for solderability with wrap-around termination\u003c\/li\u003e\n \u003cli\u003eAvailable with matte tin or SnPb finish on nickel barrier\u003c\/li\u003e\n \u003cli\u003ePackaged in carrier tape (paper for Pb-free, plastic for SnPb)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cp\u003eThis product is available with multiple part numbers for different tolerances and configurations. For detailed ordering options, refer to the datasheet or contact TT Electronics.\u003c\/p\u003e\n\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application guidelines, view the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-irc\/irc-pfc-w1206lf-03-4991-b.pdf\" target=\"_blank\"\u003edatasheet here\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: The datasheet was not processed. Please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T03:50:37+05:30","created_at":"2025-08-16T03:50:37+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["200V","333W","IMPORT_CSV","IMPORT_PT2","IRC-TTEL","Resistor","Smd","Thin","WLDM"],"price":5267,"price_min":5267,"price_max":5267,"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":50626189427005,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"PFC-W1206LF-03-4991-B","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"PFC-W1206LF-03-4991-B","public_title":null,"options":["Default Title"],"price":5267,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"PFC-W1206LF-03-4991-B","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/PFC-W1206LF-03-4991-B_52233055_a1dce9ad.jpg?v=1755296440"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PFC-W1206LF-03-4991-B_52233055_a1dce9ad.jpg?v=1755296440","options":["Title"],"media":[{"alt":null,"id":45861319082301,"position":1,"preview_image":{"aspect_ratio":1.26,"height":200,"width":252,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PFC-W1206LF-03-4991-B_52233055_a1dce9ad.jpg?v=1755296440"},"aspect_ratio":1.26,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PFC-W1206LF-03-4991-B_52233055_a1dce9ad.jpg?v=1755296440","width":252}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eIRC PFC-W1206LF-03-4991-B Fixed Resistor Thin Film 0.333W 4990ohm 200V\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic designs with the high-precision and reliable performance of the IRC PFC series fixed thin film resistor. Manufactured by TT Electronics, this surface-mount device offers exceptional stability and environmental resistance, making it ideal for demanding applications.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: \u003cstrong\u003ePFC-W1206LF-03-4991-B\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\u003eUS\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003ePackage Type: \u003cstrong\u003eReel\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: \u003cstrong\u003eEA\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eECCN: \u003cstrong\u003eEAR99\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: \u003cstrong\u003eYes\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eProduct Category: \u003cstrong\u003eResistors | Thin Film Resistors - SMD\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Environmental Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003ePower Rating (70°C)\u003c\/th\u003e\n \u003cth\u003eMax Voltage Rating (P x R)\u003c\/th\u003e\n \u003cth\u003eTemperature Range\u003c\/th\u003e\n \u003cth\u003eESD Sensitivity\u003c\/th\u003e\n \u003cth\u003eNoise\u003c\/th\u003e\n \u003cth\u003eTermination\u003c\/th\u003e\n \u003cth\u003eSubstrate\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eW1206\u003c\/td\u003e\n \u003ctd\u003e333mW\u003c\/td\u003e\n \u003ctd\u003e200V\u003c\/td\u003e\n \u003ctd\u003e-65°C to +150°C\u003c\/td\u003e\n \u003ctd\u003e2KV to 4KV (HBM)\u003c\/td\u003e\n \u003ctd\u003e\u0026lt;-25dB\u003c\/td\u003e\n \u003ctd\u003eMatte tin or SnPb plated on nickel barrier\u003c\/td\u003e\n \u003ctd\u003e96.5% Alumina\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerformance and Reliability\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSulfuration resistance: ±0.02% typical, ±0.05% maximum after ASTM B809 (Modified) 105°C Dry, 1000 hours\u003c\/li\u003e\n \u003cli\u003eThermal Shock: ±0.02% typical, ±0.10% maximum (MIL-PRF-55342)\u003c\/li\u003e\n \u003cli\u003eLow Temperature Operation: ±0.01% typical, ±0.05% maximum\u003c\/li\u003e\n \u003cli\u003eShort Time Overload: ±0.01% typical, ±0.05% maximum\u003c\/li\u003e\n \u003cli\u003eHigh Temperature Exposure: ±0.03% typical, ±0.10% maximum\u003c\/li\u003e\n \u003cli\u003eSolder Effects: ±0.01% typical, ±0.10% maximum\u003c\/li\u003e\n \u003cli\u003eMoisture Resistance: ±0.03% typical, ±0.10% maximum\u003c\/li\u003e\n \u003cli\u003eProduct Life: ±0.03% typical, ±0.10% maximum\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eConductors and tantalum nitride resistive element applied to alumina substrate\u003c\/li\u003e\n \u003cli\u003eLaser trimmed to precise value\u003c\/li\u003e\n \u003cli\u003eProtective epoxy coating\u003c\/li\u003e\n \u003cli\u003eMetallized and plated for solderability with wrap-around termination\u003c\/li\u003e\n \u003cli\u003eAvailable with matte tin or SnPb finish on nickel barrier\u003c\/li\u003e\n \u003cli\u003ePackaged in carrier tape (paper for Pb-free, plastic for SnPb)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cp\u003eThis product is available with multiple part numbers for different tolerances and configurations. For detailed ordering options, refer to the datasheet or contact TT Electronics.\u003c\/p\u003e\n\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application guidelines, view the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-irc\/irc-pfc-w1206lf-03-4991-b.pdf\" target=\"_blank\"\u003edatasheet here\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: The datasheet was not processed. Please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
