KNP 3W 22R J T/B

KNP series WIRE WOUND RESISTORS, FLAMEPROOF Features 1. Super heat dissipation small linear temperature coefficient. 2. Instant overload capability low noise figure and low annual shift on resistance values. 3. Flameproof, light weight, price is lower than enamel types. 4. Winding wires are much more durable than enamel types which are produced in high temperature. 1. 2. 3. 4. ELECTRICAL AND MECHANICAL PERFORMANCE Characteristics Resistance Tolerance Resistance Temp. Coeff. Power Rating Load Short Time Overload Dielectric Withstanding Voltage Insulation Resistance Terminal Strength Test Methods Standards 5% ( J ) or - 1% ( F ) 300 ppm / -55 Surface temp. 275 Max. 275 , R/R 2% 2% No evidence of mechanical damage or insulation breakdown. ~ 200 Rated voltage for 30 minutes / 30 10 times of rated wattage for 5 seconds. 10 /5 Applying suitable voltage listed on Dimensions for one minute. 1 DC100V or 500V megger 1,000MÙ No evidence of mechanical damage. Minimum 95% coverage 95% No evidence of mechanical damage. Resistance to Soldering Heat , R/R 1% Solder-ability < 1W > 2W 235 5 1 kg 2.5 kg for 2 seconds 270 5 for 10 1 seconds 350 10 for 3.5 0.5 seconds ENVIRONMENTAL CHARACTERISTICS Characteristics Standards Temp. Cycle R/R 1% Load Life R/R 3% Moisture-proof Load Life R/R 3% Nonflammability Reference Standards JIS C 5201-1 not flamed 9 Test Methods -55 ( 30 min.) Room Temp.( 3 min.) +200 ( 30 min.) Room Temp.( 3 min.) / ( 5 cycles) Rated power load 90 minutes ON 30 minutes OFF 70 1000 hours Rated power load 90 minutes ON 30 minutes OFF 40 95% RH 1000 hours 16 times of rated wattage for 5 min. KNP series Dimensions Unit mm d H L H D Dielectric Withstanding Voltage Rated Wattage D 1 L 1 H 3 d 0.1 Resistance Range(Ù) 1/4W 2.6 0.5 6.8 28 0.6 0.1~200 250V 1/2W 3.0 9 28 0.65 0.1~300 350V 1W 4 9 28 0.65 0.1~500 350V 2W 5.0 11 28 0.8 0.1~1K 500V 3W 5.5 13 38 0.8 0.1~1K 500V 3WL 5.5 15 38 0.8 0.1~1.2K 500V 5W 6.5 19 38 0.8 0.1~1.2K 500V 6W 8.5 24 38 0.8 0.1~1.5K 500V 7W 8.5 32 33 0.8 0.1~1.5K 500V 8W 8.5 41 38 0.8 0.1~2.2K 800V 10W 8.5 53 38 0.8 0.1~3.3K 1000V Note: Too low or too high ohmic values can be supplied only case by case. Derating Curve Surface Temperature Rise For resistors operated in ambient temperatures above 70 , power rating must be derated in accordance with the curve below. -55 70 Surface Temperature Rise (OC) 100 Rated Load (%) 80 60 40 20 0 -50 0 50 100 150 200 250 300 4W~10W 200 3W(3WL) 2W 100 1/4W~1W 275 0 0 Ambient Temp. (OC) 20 40 60 80 Rated Load (%) How to order It is composed by Type, Rated Wattage, Nominal Resistance, Tolerance and Package. e.g. KNP a. 1W b. 10R c. J d. T/B e. a. Type( ): Wire Wound Resistors, Flameproof are called "KNP". b. Rated Wattage( ) : Shown by "W" such as 1/4W, 1/2W, 1W, 2W, 3W, 3WL, 5W, 6W, 7W, 8W, 10W c. Nominal Resistance( ) : 10Ù. d. Tolerance( ): F 1% , J 5% . e. Package ( ): T/R tape & reel ( ); T/B tape in box( ); Nil Bulk( ). 10 100