sP e C i F i CAT i ON s Fe AT u R es Material Radial construction for direct PC-58 Series Core: Ceramic. insertion into printed circuit boards fit standard 0.10 inch Coating: Vitreous enamel except Tubular Radial Terminal matrix boards with standard for values above 4.7K (3W) and Wirewound for PC Board Applications 0.046 inch diameter holes. 7.5K (5W), which are supplied in Provides a built in stand-off to silicone-ceramic coatings. D L 0.016 reduce board temperature. Terminals: Solder coated radial. max. Space saving radial terminals 20 ga. tinned terminals require reduce the total length require- 0.046 in. (1.168 mm) holes (2). ment compared to axial terminal RoHS solder composition is 96% H 0.031 resistors and increase packaging Sn, 3.5% Ag, 0.5% Cu density possibilities. Derating: Linearly from Flame resistant lead free vitre- 100% +25C to 0% 0.25 0.031 ous enamel coating. 6.35 mm 0.794 +350C. RoHS compliant add E suffix Note: Values above 3.9K (3W) A 0.010 0.031 min. to part number to specify. and 8.2K (5W) involve very fine 0.79 mm resistance wire and should not be used in critical applications without burn-in and/or thermal Dimensions (in. / mm) cycling. series Wattage Ohms Length Height Diam. Dim. A Voltage Electrical R3 (vitreous) 3 1-3.9K 0.438 / 11.13 0.469 / 11.91 0.313 / 7.95 0.30 / 7.62 103 Tolerance: 5% (J) (silicone) 4K-10K (other tolerances available). R5 (vitreous) 5.25 1-7.4K 0.625 / 15.88 0.516 / 13.11 0.344 / 8.74 0.50 /12.70 187 Power rating: Based on 25C free (silicone) 7.5K-20K air rating. Overload: 3 watt: 5 times rated wattage for Standard part numberS for pc-58 SerieS 5 seconds. Wattage Wattage Wattage Wattage = Standard values 5.25 watt: 10 times rated watt- Values above 3.9K age for 5 seconds. Part No. Part No. Part No. Part No. (3W) and 8.2K (5W) Temperature coefficient: 260 Prefix Prefix Prefix Prefix involve very fine ppm/C. Suffix Suffix Suffix Suffix resistance wire and To calculate max. amps: use the 51 51R 1 1R0 430 430 2500 2K5 should not be used formula P/R. 1.5 1R5 56 56R 500 500 2700 2K7 in critical applica- 2 2R0 68 68R 510 510 3000 3K0 tions without burn- ordering information 75 75R in and/or thermal 2.4 2R4 560 560 3300 3K3 cycling. 3 3R0 82 82R RoHS 600 600 3900 3K9 Compliant Values above 4.7K 3.9 3R9 100 100 620 620 4700 4K7 (3W) and 7.5K (5W) 120 120 5 5R0 750 750 5000 5K0 R5J1K0 E supplied in silicone- 150 150 5.1 5R1 800 800 5600 5K6 PC-58 Wattage Tolerance Ohm Value ceramic coatings 5.6 5R6 160 160 820 820 6200 6K2 Series J= 5% Example: instead of vitreous 1R0 = 1.0 7.5 7R5 200 200 910 910 6800 6K8 10R = 10.0 enamel. 220 220 250 = 250 10 10R 1000 1K0 7500 7K5 4K7 = 4,700 15 15R 250 250 1200 1K2 8200 8K2 18 18R 270 270 1300 1K3 9000 9K0 300 300 20 20R 1500 1K5 9100 9K1 330 330 22 22R 1800 1K8 10,000 10K 25 25R 350 350 2000 2K0 12,000 12K 30 30R 390 390 2200 2K2 15,000 15K 400 400 40 40R 2400 2K4 20,000 20K 50 50R Check product availability at www.ohmite.com Our friendly Customer service team can be reached at 866-9-OHMiTe Ohmite Mfg. Co. 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com 29 Ohmic value R3J 3 R5J 5 Ohmic value R3J 3 R5J 5 Ohmic value R3J 3 R5J 5 Ohmic value R3J 3 R5J 5