Beijing Silk Road Enterprise Management Services Co., Ltd.
                                                                                                           
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UNI ROYAL CFR0W4J0222A50 Lead Free Carbon Film Fixed Resistors with Max Working Voltage up to 350 Volts

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Product Description

Product Overview

This specification covers Lead-Free Carbon Film Fixed Resistors manufactured by UNIROYAL ELECTRONICS INDUSTRY (KUNSHAN) CO., LTD. The CFR series offers a range of resistances with tolerances of 2%, 5%, and 10%, suitable for various electronic applications.

Product Attributes

  • Brand: UNIROYAL
  • Origin: Kun Shan City, Jiang Su Province, China
  • Product Name: LEAD-FREE CARBON FILM FIXED RESISTORS
  • Part Name: CFR SERIES
  • Material: Carbon Film
  • Coating Color: Beige (1/8W, 1/4WS, 1/2WS, 1/4W, 1/2W, 1W, 2W), Light Brown (1WS, 2WS, 3WS), Gray Green (1/2WSS)

Technical Specifications

TypePower RatingDimensions (mm) D x LLead Wire Diameter (d 0.05)Max Working VoltageMax Overload VoltageDielectric Withstanding VoltageToleranceResistance Range
Normal Size1/8W1.90.3 x 3.30.30.45200V400V400V2%, 5%, 10%1~10M
Normal Size1/4W2.20.3 x 6.51.00.54250V500V500V2%, 5%, 10%1~10M
Normal Size1/2W3.00.6 x 9.51.00.54350V700V700V2%, 5%, 10%1~10M
Normal Size1W5.00.6 x 15.51.00.70500V1000V1000V2%, 5%, 10%1~10M
Normal Size2W6.00.6 x 17.51.00.75500V1000V1000V2%, 5%, 10%1~10M
Small Size1/4WS1.90.3 x 3.30.30.45200V400V400V2%, 5%, 10%1~10M
Small Size1/2WSS2.20.5 x 6.51.00.54250V500V250V2%, 5%, 10%1~10M
Small Size1/2WS3.00.5 x 9.01.00.54350V700V700V2%, 5%, 10%1~10M
Small Size1WS4.00.6 x 11.51.00.65500V1000V1000V2%, 5%, 10%1~10M
Small Size2WS5.00.6 x 15.51.00.70500V1000V1000V2%, 5%, 10%1~10M
Small Size3WS6.00.6 x 17.51.00.75500V1000V1000V2%, 5%, 10%1~10M

Performance Specifications

CharacteristicLimitsTest Method (JIS-C-5201& JIS-C-5202)
Temperature Coefficient10: 300 PPM/; 10<R<100K: 450 PPM/; 100KR1M: 0 ~ -700 PPM/; 1M<R10M: 0 ~ -1500 PPM/4.8
Short-time overloadResistance change rate: (1%+0.05)Max. With no evidence of mechanical damage.4.13
Insulation resistance10,000 M Min.4.6
Dielectric withstanding voltageNo evidence of flashover, mechanical damage, arcing or insulation breaks down.4.7
Terminal strengthNo evidence of mechanical damage4.16
Resistance to soldering heatResistance change rate: (1%+0.05) Max. With no evidence of mechanical damage.4.18
Solderability95% coverage Min.4.17
Temperature CyclingResistance change rate: (1%+0.05) max.. With no evidence of mechanical damage.4.19
Load life in humidityNormal type: R/R 3% for <100K, 5% for 100K; Flame retardant type: R/R 5% for <100K; 10% for 100K;7.9
Load lifeNormal type: R/R 2% for <56K, 3% for 56K; Flame retardant type: R/R 5% for <100K; 10% for 100K;4.25.1

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Beijing Silk Road Enterprise Management Services Co., Ltd.
Location 16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person Sellina

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