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| TA Series Power Chip Resistors Thick Film on Alumina Substrate (R) 3, 5, 7.5 & 10 watt H typical PC board 0.07"/1.78mm P L 0.02" x 0.015" Pins 0.17"/4.32mm 0.10"/2.54mm 25, 50 & 100 watt 0.040" / 1.02 mm L H 0.240" / 6.10 mm 0.300" / 7.62 mm 0.020" / 0.51 mm typ. 0.150" / 3.8 mm ref. P 0.200" / 5.08 mm 0.070" / 1.78 mm 0.040" / 1.02 mm typ. Ohmite's original Power Chip resistors are designed from our thick film on alumina substrate technology. These planar packages yield space saving, 10W/ in2 power densities that require over 50% less board space than other radial packages. Convection cooling is maximized by the planar package configuration which dissipates heat well above board level. Ohmite's power chip resistors have a 125% higher operating temperature range than competitive product of similar design. High temperature solder and in-process plating keep terminations secure under self-heating effects by preventing re-flow from full power operation. Flexible packaging schemes make these resistors ideal for power supplies, audio amplifiers, video fly-back, and other power control applications. FEATURES * High-Temp Terminal Construction * Wide Resistance Range * Low Inductance (50nH-100nH) * High Power Density * Easy to install. PC-mountable SPECIFICATIONS Material Substrate: Alumina Resistor: Thick Film Coating: Glass Terminals: Solder Plated Phosphor Bronze Thermal Conductivity: 20 Watts/Meter/C Temperature Coefficient: 1 ohm 450 ppm/C 1 to 100 100 ppm/C 101 and up 50 ppm/C Electrical Tolerance: 1% and 5% (other tolerances available) Power Rating: Based on 25C free air Resistance Range: 0.5 ohm to 10M ohm. Consult factory for other values Maximum Operating Voltage: 350 VAC, 500 VDC through glass, 1000 VAC, 1500 VDC through substrate Overload: Five times rated power, as long as the one second average dissipation does not exceed the wattage rating. R: 2%, 2000 hours Derating: 100% @ 25C to 0% @ 350C. 0.050" / 1.27 mm dia. finished pins Solder-coated phosphor bronze Series Wattage P Dimensions (in. / mm) Length L Height H TA203 TA303 TA205 TA305 TA605 TA805 TA207 TA307 TA310 TA810 TA025 TA050 TA100 3.0 3.0 5.0 5.0 5.0 5.0 7.5 7.5 10.0 10.0 25.0 50.0 100.0 0.200 / 5.08 0.300 / 7.62 0.200 / 5.08 0.300 / 7.62 0.600 / 15.24 0.800 / 20.32 0.200 / 5.08 0.300 / 7.62 0.300 / 7.62 0.800 / 20.32 1.90 / 48.3 1.90 / 48.3 4.10 / 104.1 0.50 / 12.70 0.50 / 12.70 0.50 / 12.70 0.50 / 12.70 1.00 / 25.40 1.00 / 25.40 0.75 / 19.05 0.75 / 19.05 1.00 / 25.40 1.00 / 25.40 2.220 / 56.39 2.220 / 56.39 4.420 / 112.27 0.60 / 15.24 0.60 / 15.24 1.00 / 25.40 1.00 / 25.40 0.50 / 12.70 0.50 / 12.70 1.00 / 25.40 1.00 / 25.40 1.00 / 25.40 1.00 / 25.40 1.170 / 29.70 2.270 / 57.60 2.270 / 57.60 O R D E R I N G I N F O R M AT I O N Pin spacing (on 3-10W models only) 2 = .2" 3 = .3" 8 = .8" Tolerance K = 10% J = 5% F = 1% E = RoHS compliant Available Jan. 2006 Series Power Rating: 03 = 3 W 05 = 5 07 = 7.5 10 = 10 025 = 25 050 = 50 100 = 100 Package: PA = pin terminals, std. for 3-10 W PW = wraparound, std. for 25-100 W Resistance Value () R250 = 0.25 10R0 = 10.0 2K00 = 2,000 45K0 = 45,000 S T O C K PA RT N U M B E R S F O R S TA N D A R D R E S I S TA N C E VA L U E S Ohmic value Ohmic value TA810PW TA025PW TA050PW TA100PW TA810PW TA025PW TA050PW TA100PW TA810PW TA025PW TA050PW TA100PW Part No. Prefix Suffix ---R250J ---1R00J ---1R50J ---2R00J ---4R70J ---5R00J ---5R10J ---7R50J ---8R20J ---10ROJ ---11R0J ---12R0J ---15R0J ---20R0J ---24R0J ---27R0J ---33R0J ---47R0J Part No. Prefix Suffix ---50R0J ---62R0J ---68R0J ---75R0J ---100RJ ---150RJ ---200RJ ---250RJ ---270RJ ---300RJ ---470RJ ---560 ---620RJ ---680RJ ---1K00J ---1K50J ---1K80J ---2K00J Ohmic value Part Number TA203PA TA303PA TA205PA TA305PA TA207PA TA310PA Part Number TA203PA TA303PA TA205PA TA305PA TA207PA TA310PA Part Number TA203PA TA303PA TA205PA TA305PA TA207PA TA310PA Part No. Prefix Suffix ---2K50J ---3K00J ---4K00J ---4K70J ---5K00J ---5K10J ---7K50J ---10K0J ---15K0J ---18K0J ---20K0J ---30K0J ---39K0J ---50K0J ---75K0J ---100KJ ---150KJ ---200KJ 0.25 1.00 1.50 2.00 4.70 5.00 5.10 7.50 8.20 10.00 11.00 12.00 15.00 20.00 24.00 27.00 33.00 47.00 50.00 62.00 68.00 75.00 100.00 150.00 200.00 250.00 270.00 300.00 470.00 500.00 620.00 680.00 1,000.00 1,500.00 1,800.00 2,000.00 2,500.00 3,000.00 4,000.00 4,700.00 5,000.00 5,100.00 7,500.00 10,000.00 15,000.00 18,000.00 20,000.00 30,000.00 39,000.00 50,000.00 75,000.00 100,000 150,000 200,000 = Most popular stock values, = Stock values, = Non-stock values subject to minimum handling charge per item 50 Ohmite Mfg. Co. 1600 Golf Rd., Suite 850, Rolling Meadows, IL 60008 * Tel. 1-866-9-OHMITE * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com |
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