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TAH20P220RJE Datasheet(PDF) 1 Page - Ohmite Mfg. Co. |
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TAH20P220RJE Datasheet(HTML) 1 Page - Ohmite Mfg. Co. |
1 / 2 page 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 145 characteristics tah series 20 Watt TO220 Package Thick Film Power Resistance Range 0.05Ω to 10KΩ, other values available upon request Tolerance <0.1Ω: 5% only 0.1Ω-1MΩ: 5% std.; 1% available Temperature Coefficient Referenced to 25°C, ∆R taken at +105°C; 1 to 10Ω: ±(100ppm+0.002Ω)/°C 10Ω & up: ±50ppm/°C Max Operating Voltage 350V Dielectric Strength 1,800 VAC Power Rating 20W @ 25°C case temperature; see derating curve, below Insulation Resistance 10GΩ min. Momentary Overload 2x rated power for 5 seconds where applied voltage ≤1.5 times max. operating voltage. ∆R ±(0.3% + 0.001Ω) max. Case Material KMC-125 epoxy Terminal Material Copper Terminal Plating Lead Free Solder (97% Tin, 3% Silver) Mounting Requires the use of a snap-on style heat sink. A thermal compound should be properly applied. Solder Process The TAH20 cannot exceed 260°C for more than 10 seconds during soldering process. Load Life MIL-R-39009, 2000 Hours @ Rated Pwr ∆R = ±(1.0% + 0.001) Ω Thermal Shock MIL-R-STD-202, Method 107, Cond. F ∆R = ±(0.3% + 0.001) Ω max High Freq Vibration MIL-R-STD-202, Method 204, Cond. D ∆R = ±(0.2% + 0.001) Ω max Terminal Strength MIL-R-STD-202, Method 211, Cond. A (Pull Test) 2.4N ∆R = ±(0.2% + 0.001) Ω max Moisture Resistance MIL-R-STD-202, Method 106 ∆R = ±(0.5% + 0.01) Ω max Derating 175 100 Bottom of base plate Temperature, °C 60 20 0 0 50 100 150 25 75 125 80 40 20/35 16/28 12/21 8/14 4/ 7 0 TAH/TCH TCH TAH The TAH20 is a completely encapsulated thick film resistor in the TO220 package outline. Rated for 20 watts @ 25°C case temperature, these resistors are elec- trically isolated, and molded in a high temperature case. Designed for heat sink mounting, the symmetrical package is ready for use with snap-on style heat sinks (we recommend use of thermal grease). The TAH20 Series has very low inductance, and available in a wide range of resis- tance values in standard 5% tolerance. 1% tolerance available by special order. Fea tures • 20 Watt Power Rating at 25°C Case Temperature • High Pulse Tolerant Design • Quick-snap Molded Package • Very Low Inductance Design • Resistor Package Electrically Isolated from Heat Sink • Low Thermal Resistance to Heat Sink @ RTH<6.25°C/W • Tube Packaging Available a pplica tions • Frequency Conversion • High Frequency Balancing • Snubbers (continued) |
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