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FKN300 Dataheets PDF



Part Number FKN300
Manufacturers YAGEO
Logo YAGEO
Description Wirewound Resistors
Datasheet FKN300 DatasheetFKN300 Datasheet (PDF)

Wirewound Resistors Through-hole resistors Fusible & Flame-Proof Type Normal & Miniature Style [ FKN Series ] INTRODUCTION The resistor element is a resistive wire which is wound in a single layer on a ceramic rod, with tinned connecting wires of electrolytic copper welded to the end-caps. The ends of the resistive wire are connected to the caps by welding. The resistors are coated with layers of green color flame-proof lacquer. Overload protection without risk of fire. Wide range of overload .

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Wirewound Resistors Through-hole resistors Fusible & Flame-Proof Type Normal & Miniature Style [ FKN Series ] INTRODUCTION The resistor element is a resistive wire which is wound in a single layer on a ceramic rod, with tinned connecting wires of electrolytic copper welded to the end-caps. The ends of the resistive wire are connected to the caps by welding. The resistors are coated with layers of green color flame-proof lacquer. Overload protection without risk of fire. Wide range of overload currents. DIMENSIONS ød H L øD 5th color code: white Note: FKN1WS ( for MB Type ) ød = 0.8±0.05 mm FEATURES Power Rating Resistance Tolerance T.C.R. Flameproof Multi-layer Coating Meets Flameproof Feature Meets Overload Test 1/2W, 1W, 2W, 3W, 4W, 5W, 7W ±1%, ±5% ±350ppm/°C UL-94V-0 UL-1412 DERATING CURVE For resistors operated in ambient temperatures above 40°C, power rating must be derated in accordance with the curve below. Rated Load (%) 40 70 100 80 60 155 275 °C 3W-7WS 1/2WS-3WS 40 20 50 100 150 200 250 300 Ambient Temperature (°C) FUSING CHARACTERISTICS R≤2.0Ω Fusing time within 60 seconds at 36 times of rated power R>2.0Ω Fusing time within 60 seconds at 25 times of rated power Fusing residual resistive value at least 100 times rated resistance STYLE Normal FKN-50 FKN100 FKN200 FKN300 FKN400 FKN500 DIMENSION Miniature L FKN50S 6.3±0.5 FKN1WS 9.0±0.5 FKN2WS 11.5±1.0 FKN3WS 15.5±1.0 FKN5WS 17.5±1.0 FKN7WS 24.5±1.0 øD 2.5±0.3 3.5±0.3 4.6±0.5 5.2±0.5 6.5±0.5 8.5±0.5 H 28±2.0 26±2.0 35±2.0 33±2.0 32±2.0 38±2.0 Unit: mm ød 0.55±0.05 0.55±0.05 0.8±0.05 0.8±0.05 0.8±0.05 0.8±0.05 53 ELECTRICAL CHARACTERISTICS Normal STYLE STYLE FKN-50 FKN100 Power Rating at 40°C Power Rating at 70°C 1/2W 1W Maximum working voltage PxR Voltage Proof on Insulation 300V Resistance Range (±1%) 0.5Ω - 100Ω Resistance Range (±5%) 0.5Ω - 47Ω 0.5Ω - 100Ω Operating Temp. Range -40°C to +155°C Temperature Coefficient ±350ppm/°C Note: Special value is available on request FKN200 2W FKN300 3W FKN400 4W 0.47Ω - 150Ω 0.47Ω - 150Ω 0.56Ω - 330Ω 0.56Ω - 330Ω FKN500 5W 1Ω - 620Ω 1Ω - 620Ω MINIATURE STYLE STYLE Power Rating at 40°C Power Rating at 70°C Maximum working voltage Voltage Proof on Insulation Resistance Range (±1%) Resistance Range (±5%) Operating Temp. Range Temperature Coefficient FKN50S 1/2W PxR 200V 2.5Ω - 22Ω -40°C to +155°C ±350ppm/°C Note: Special value is available on request FKN1WS 1W 300V 0.47Ω - 62Ω 0.47Ω - 62Ω FKN2WS 2W FKN3WS 3W FKN5WS 5W FKN7WS 7W 0.47Ω - 150Ω 0.47Ω - 150Ω 0.47Ω - 240Ω 0.47Ω - 240Ω 0.56Ω - 330Ω 0.56Ω - 330Ω 1Ω - 620Ω 1Ω - 620Ω ENVIRONMENTAL CHARACTERISTICS PERFORMANCE TEST TEST METHOD Short Time Overload IEC 60115-1 4.13 10 times rated power for 5 Sec. Voltage Proof on Insulation Temperature Coefficient IEC 60115-1 4.7 IEC 60115-1 4.8 in V-block for 60 Sec., test voltage by type -55°C to +155°C Insulation Resistance Solderability IEC 60115-1 4.6 IEC 60115-1 4.17 in V.


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