leaded resISTORS Cement Resistors Vertical Lead Type Normal Style [ SQM Series ] Non-Inductive Style [ NSM Series ] FEATURES Power Rating 2W, 3W, 5W, 7W, 10W Resistance Tolerance 5% T.C.R. 300ppm/C DERATING CURVE 40 70 (%) 155 275 C 100 Temperature Rise 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. Rated Load INTRODUCTION TEMPERATURE RISE 3W-5W 7W-10W 80 2W 60 40 20 -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. (C) 0 50 100 150 200 250 300 250 10W 200 7W 5W 150 3W 100 2W 50 20 40 60 100 120 Rated Load (%) Ambient Temperature (C) DIMENSIONS Unit: mm STYLE W S H 3.51 P 80 o080.05 DIMENSION Normal Non-Ind. H W S P SQM200 NSM200 201.5 11.01.0 7.01.0 5+2-1 SQM300 NSM300 251.5 12.01.0 8.01.0 5+2-1 SQM500 NSM500 251.5 13.01.0 9.01.0 5+2-1 SQM700 NSM700 391.5 13.01.0 9.01.0 5+2-1 SQM10A NSM10A 511.5 13.01.0 9.01.0 5+2-1 SQM10S NSM10S 351.5 16.01.0 12.01.0 7+2-1 67 ELECTRICAL CHARACTERISTICS Normal Style STYLE SQM200 Power Rating at 40C SQM300 SQM500 SQM700 SQM10A 3W 5W 7W 10W SQM10S Power Rating at 70C 2W Maximum Working Voltage 250V 350V 500V Maximum Overload Voltage 500V 700V 1,000V Voltage Proof 500V 700V 1,000V Resistance Range (Wirewound) 0.03 - 36 0.015 - 68 0.015 - 130 0.05 - 330 0.08 - 510 0.03 - 270 Resistance Range (Metal Oxide Film) 12 - 1M 75 - 1M 150 - 1M 360 - 1M 560 - 1M 300 - 1M Operating Temp. Range -55C to +155C Temperature Coefficient 300ppm/C NSM300 NSM500 NSM700 NSM10A NSM10S 3W 5W 7W 10W Non-Inductive Style STYLE NSM200 Power Rating at 40C Power Rating at 70C 2W Maximum Working Voltage 250V 350V 500V Maximum Overload Voltage 500V 700V 1,000V Voltage Proof 500V 700V 1,000V Resistance Range (Wirewound) 0.08 - 10 0.033 - 30 Operating Temp. Range -55C to +155C Temperature Coefficient 300ppm/C 0.15 - 65 0.25 - 100 0.12 - 100 0.12 - 50 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