Through-hole resisT ors General Type Wirewound Resistors Normal & Miniature Style KNP Series FeATures Power Rating 1/4W, 1/2W, 1W, 2W, 3W, 4W, 5W, 7W Resistance Tolerance 1%, 5% T.C.R. 300ppm/C Flameproof Multi-layer Coating Meets UL-94V-0 Flameproof Feature Meets Overload Test UL-1412 iNTroDuCTioN DerATiNg Cur Ve The resistor element is a resistive wire which For resistors operated in ambient temperatures above 40C, power rating must be derated is wound in a single layer on a ceramic rod, in accordance with the curve below. with tinned connecting wires of electrolytic 40 70 200 275 C Rated Load (%) copper welded to the end-caps. The ends of 100 the resistive wire are connected to the caps by 3W-7W 80 welding. The resistors are coated with layers of 1/4W-3WS 60 green color flame-proof lacquer. 40 20 50 100 150 200 250 300 Ambient Temperature (C) DiMeNsioNs Unit: mm s TYle DiMeNsio N Normal Miniature l D h d KNP-25 KNP50S 6.30.5 2.50.3 282.0 0.550.05 KNP-50 KNP1WS 9.00.5 3.50.3 262.0 0.550.05 KNP2WS KNP100 11.51.0 4.60.5 352.0 0.80.05 KNP3SS d KNP200 KNP3WS 15.51.0 5.20.5 332.0 0.80.05 H L D KNP300 KNP5WS 17.51.0 6.50.5 322.0 0.80.05 KNP400 KNP500 KNP7WS 24.51.0 8.50.5 382.0 0.80.05 KNP600 KNP700 - 24.51.0 8.50.5 382.0 0.80.05 Note: KNP1WS ( for MB Type ) d = 0.80.05 mm49 eleCTriCAl ChArACTerisTiCs Nor MAl s TYle s TYle KNP-25 KNP-50 KNP100 KNP200 KNP300 KNP400 KNP500 KNP600 KNP700 Power Rating at 40C 3W 4W 5W 6W 7W Power Rating at 70C 1/4W 1/2W 1W 2W Maximum working voltage PxR Voltage Proof on Insulation 250V 300V 400V Resistance Range (1%) 0.1 - 150 0.1 - 750 0.1 - 1.5K 0.1 - 2.4K 0.1 - 3.3K 0.1 - 6.2K Resistance Range (5%) 0.1 - 200 0.1 - 800 0.1 - 2.2K 0.1 - 2.7K 0.1 - 3.9K 0.1 - 6.8K Operating Temp. Range -40C to +200C Temperature Coefficient 300ppm/C Note: Special value is available on request MiNi ATure s TYle s TYle KNP50s KNP1Ws KNP2Ws KNP3ss KNP3Ws KNP5Ws KNP7Ws Power Rating at 40C 5W 7W Power Rating at 70C 1/2W 1W 2W 3W PxR Maximum working voltage Voltage Proof on Insulation 200V 300V 400V Resistance Range (1%) 0.1 - 150 0.1 - 750 0.1 - 1.5K 0.1 - 2.4K 0.1 - 3.3K Resistance Range (5%) 0.1 - 200 0.1 - 800 0.1 - 2.2K 0.1 - 2.7K 0.1 - 3.9K Operating Temp. Range -40C to +200C Temperature Coefficient 300ppm/C Note: Special value is available on request eNViroNMeNTAl ChArACTerisTiCs Per For MANCe Tes T Tes T MeTho D APPr Aise Shor t Time Overload IEC 60115-1 4.13 10 times rated power for 5 Sec. 2.0%+0.05 Voltage Proof on Insulation IEC 60115-1 4.7 in V-block for 60 Sec., test voltage by type By type Temperature Coefficient IEC 60115-1 4.8 -55C to +155C By type Insulation Resistance IEC 60115-1 4.6 in V-block for 60 Sec. >100M Solderability IEC 60115-1 4.17 2355C for 30.5 Sec 95% Min. coverage No deterioration of Solvent Resistance of Marking IEC 60115-1 4.30 IPA for 50.5 Min. with ultrasonic coatings and markings Robustness of Terminations IEC 60115-1 4.16 Direct load for 10 Sec. in the direction of the terminal leads 2.5kg (24.5N) Damp Heat Steady State IEC 60115-1 4.24 402C, 90-95% RH for 56 days, loaded with 0.1 times RCWV 5.0%+0.05 Endurance at 70C IEC 60115-1 4.25 702C at RCWV for 1,000 Hr. (1.5 Hr. on, 0.5 Hr. off) 5.0%+0.05 Temperature Cycling IEC 60115-1 4.19 -55C Room Temp. +155C Room Temp. (5 cycles) 1.0%+0.05 Resistance to Soldering Heat IEC 60115-1 4.18 2603C for 101 Sec., immersed to a point 30.5mm from the body 1.0%+0.05 No evidence of flaming Accidental Overload Test IEC 60115-1 4.26 4 times RCWV for 1 Min. or arcing Note: Rated Continuous Working Voltage (RCWV) = Power Rating x Resistance Value or Max. working voltage listed above, whichever less. Revision: 201304