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TA1K0PH2R50KE Datasheet(PDF) 2 Page - Ohmite Mfg. Co. |
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TA1K0PH2R50KE Datasheet(HTML) 2 Page - Ohmite Mfg. Co. |
2 / 2 page 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 144 TA 1K0PH2R50K E Style Package Type Resistance 2.5Ω = 2R50 50Ω = 50R0 Tolerance K = 10% (standard) L = 20% Wattage RoHS Compliant 0.798" (20.26mm) 3.000" (76.20mm) ø10-32 1.308" (33.21mm) 0.193" (4.89mm) 1.622" (41.20mm) 0.689" (17.50mm) ø0.172" (4.37mm) 0.450" (11.43mm) 0.300" (7.62mm) 0.188" (4.76mm) 1.308" (33.21mm) (same dimensions) 1000 Watt Ohms 10% Tolerance 0.5 TA1K0PHR500KE 1 TA1K0PH1R00KE 2.5 TA1K0PH2R50KE 5 TA1K0PH5R00KE 7.5 TA1K0PH7R50KE 10 TA1K0PH10R0KE 15 TA1K0PH15R0KE 25 TA1K0PH25R0KE 50 TA1K0PH50R0KE 100 TA1K0PH100RKE 250 TA1K0PH250RKE 500 TA1K0PH500RKE 750 TA1K0PH750RKE 1000 TA1K0PH1K00KE 2000 Watt Ohms 10% Tolerance 0.5 TA2K0PHR500KE 1 TA2K0PH1R00KE 2.5 TA2K0PH2R50KE 5 TA2K0PH5R00KE 7.5 TA2K0PH7R50KE 10 TA2K0PH10R0KE 15 TA2K0PH15R0KE 25 TA2K0PH25R0KE 50 TA2K0PH50R0KE 100 TA2K0PH100RKE 250 TA2K0PH250RKE 500 TA2K0PH500RKE 750 TA2K0PH750RKE 1000 TA2K0PH1K00KE A PP lic AT ion no T es Proper heat sinking techniques are essential to performance of a TAP resistor. Pleased follow these guidelines when designing TAP system: • Heats sink plate (base plate of the resistor) temperature must be monitored to establish proper de-rating. Best tech- nique is to attach a thermocouple to the side of the base plate of the resistor. Temperature of plastic housing or heat sink cannot be used to establish rating of the resistor. Usage of laser thermometers should be avoided. • To obtain a power rating of 1000W or 2000W, the bottom case temp must not exceed 85°C. This can only be achieved if the thermal conduction to the heatsink Rth-cs<0.025°K/W. This value can be reached by using thermal transfer com- pound with a heat conductivity of 1W/mK. The flatness of the cooling plate must be better than 0.05mm overall. The roughness of the surface should not exceed 6.4µm. • Due to very high power density, only liquid cooled heat sinks are recommended for applications when >300W power rating is desired. • Properly designed heat sink should have more than 2 cooling pipes under the surface of the TAP resistor. The Hydroblok, a 4 pass aluminum heat sink (http://www.ohmite.com/ta1k0- sink.html) is an example of properly designed heat sink. TAP1000 & 2000 1000 & 2000 Watt Heat Sinkable Planar Standard Part Numbers ordering in F orm AT ion dimensions (in./mm) |
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