leaded resISTORS Axial Lead Type Cement Resistors Normal Style [ SQP Series ] Non-Inductive Style [ NSP Series ] FEATURES Power Rating 2W, 3W, 5W, 7W, 10W, 15W, 20W, 25W, 30W, 40W Resistance Tolerance 5% T.C.R. 300ppm/C DERATING CURVE 25 40 70 Rated Load The materials used and the construction techniques ensure excellent flame resistance, arc resistance and moisture resistance as well as self-extinguishing capabilities. They will withstand the most rigorous loading test. (%) 155 275 C 100 15W-40W 3W-5W 7W-10W 2W 80 60 40 (C) 20 0 -50 As resistors in radio and television receivers, hazardous conditions such as smoking and redheat can be completely prevented by the proper choice of power resistors. Temperature Rise INTRODUCTION TEMPERATURE RISE 300 20W-40W 15W 10W 250 200 7W 5W 150 3W 100 2W 50 0 50 100 150 200 250 300 20 40 60 Ambient Temperature (C) Unit: mm STYLE L 100 120 Rated Load (%) DIMENSIONS 323 80 323 W od H DIMENSION Normal Non-Inductive L W H od SQP200 NSP200 181.0 7.01.0 7.01.0 0.650.05 SQP300 NSP300 221.5 8.01.0 8.01.0 0.80.05 SQP500 NSP500 221.5 9.51.0 9.01.0 0.80.05 SQP700 NSP700 351.5 9.51.0 9.01.0 0.80.05 SQP10A NSP10A 481.5 9.51.0 9.01.0 0.80.05 SQP15A NSP15A 481.5 12.51.0 12.51.0 0.80.05 SQP20A NSP20A 605.0 12.51.0 12.51.0 0.80.05 SQP25A NSP25A 605.0 14.01.5 13.01.5 0.80.05 SQP30A NSP30A 775.0 18.01.5 17.01.5 0.80.05 SQP40A NSP40A 905.0 19.01.5 18.01.5 0.80.05 65 ELECTRICAL CHARACTERISTICS Normal Style STYLE SQP200 SQP300 SQP500 SQP700 SQP10A Power Rating at 25C Power Rating at 40C 3W 5W 7W SQP15A SQP20A SQP25A SQP30A SQP40A 15W 20W 25W 2W Maximum Working Voltage 250V 350V 500V 1,000V Maximum Overload Voltage 500V 700V 1,000V 2,000V Voltage Proof 500V 700V 1,000V 2,000V Resistance Range (Wirewound) 0.03 - 36 0.015 - 68 0.015 - 130 0.05 - 330 0.08 - 510 0.1 - 680 0.15 - 1K Operating Temp. Range -55C to +155C Temperature Coefficient 300ppm/C 40W 10W Power Rating at 70C Resistance Range (Metal Oxide Film) 39 - 1M 75 - 1M 30W 150 - 1M 360 - 1M 560 - 1M 750 - 1M 1.2K - 1M NSP500 NSP700 NSP10A NSP15A NSP20A NSP25A NSP30A NSP40A 15W 20W 25W NON-INDUCTIVE STYLE STYLE NSP200 NSP300 Power Rating at 25C Power Rating at 40C 3W 5W 7W 40W 10W Power Rating at 70C 2W Maximum Working Voltage 250V 350V 500V 1,000V Maximum Overload Voltage 500V 700V 1,000V 2,000V Voltage Proof 500V 700V 1,000V 2,000V Resistance Range (Wirewound) 0.08 - 10 0.033 - 30 0.03 - 40 Operating Temp. Range -55C to +155C Temperature Coefficient 300ppm/C 0.15 - 65 30W 0.25 - 100 0.25 - 120 0.36 - 160 Note: Special value is available on request ENVIRONMENTAL CHARACTERISTICS PERFORMANCE TEST TEST METHOD Short Time Overload IEC 60115-1 4.13 2.5 times RCWV for 5 Sec. 2.0%+0.05 Voltage Proof 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. >1,000M Solderability IEC 60115-1 4.17 2355C for 30.5 Sec. 95% Min. coverage Solvent Resistance of Marking IEC 60115-1 4.30 IPA for 50.5 Min. with ultrasonic No deterioration of 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) Periodic-pulse Overload IEC 60115-1 4.39 4 times RCWV 10,000 cycles (1 Sec. on, 25 Sec. off) 2.0%+0.05 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) 2.0%+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 Note: Rated Continuous Working Voltage (RCWV) = APPRAISE Power Rating x Resistance Value