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| TAP1000 Series 1000 Watt Heat Sinkable Planar 0.193" (4.89mm) o0.172" (4.37mm) o10-32 0.689" (17.50mm) The TAP1000 Series delivers 1000 watts of continuous power when properly mounted to a liquid cooled heat sink (based on 70C ambient temperature) Applications include power conditioning, power distribution, power conversion, and power control. SPECIFICATIONS Material Resistor Element: Thick Film on Alumina Substrate Electrical Power Rating: 1000 watt @ 70C Mounting Plate Resistance Values: 2.5 to 50 Resistance Tolerance: +10% std. Max Operating Voltage: 2000VDC Temperature Coefficient: 250 PPM/C Dielectric Strength: 6KV Standard, up to 12KV available Operating Temperature Range: -55C to 150C Case Terminal Screws: #10-32 Max Contacts Torque: 10 in-lb Mounting Screws: #8-32 Max Mounting Torque: 15 in-lb Creepage Distance: 50mm 1mm (min) Thermal Resistance: 0.05C / Watt 1.308" (33.21mm) 3.000" (76.20mm) 1.308" (33.21mm) 1.622" (41.20mm) FEATURES * Dissipates 1000 Watts @ 70C Mounting Plate Temperature * High Energy Rating * Low Inductance * Resistor Element Electrically Isolated * High Dielectric Strength * Small Footprint (same dimensions) 0.300" (7.62mm) 0.450" (11.43mm) 0.188" (4.76mm) 0.798" (20.26mm) APPLICATIONS * Power semiconductor balancing * Motor control * Inrush Current Limiting DERATING CURVE P E R F O R M A N C E D ATA 100 Percent Rated Watts 80 60 40 20 0 0 25 50 70 100 125 Ambient Temperature, C 150 Test Rated Power, max. current and heat sink plate temperature limited Operating Voltage Max. Applied Voltage, ohms law limited Max. Current Critical Resistance; below this resistance max power has to be de-rated due to exceeding max current Rating Continuous Pulse 1000W P*R 223V 10A 10 ohms N/A 2000VDC 53.33A APPLICATION NOTES Proper heat sinking techniques are essential to performance of a TAP1000 resistor. Pleased follow these guidelines when designing TAP1000 system: * Heat sink compound must always be used. Phase change material is preferred over silicon pastes. * Heats sink plate (base plate of the resistor) temperature must be monitored to establish proper de-rating. Best technique 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. * 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 TAP1000 resistor. Hydroblok-1000, a 4 pass aluminum heat sink (http://www.d6industries.com/HeatSinks.htm) is an example of properly designed heat sink. Test Method Maximum R Short Time Overload 1.14 x P*R / 10 sec @ 70C Max % Rsto = (2% + 0.05) Moisture Resistance 1000 hrs @ 40C, 90-95% RH 1% Thermal Shock MIL-STD-202, Method 107 MIL-STD-202, Method 107 Vibration, elec. MIL-STD-202, Method 201 2% Resistance Vibration, mech. MIL-STD-202, Method 201 No Loose Terminal Screws Load Life, 1000 Hrs 90 min ON / 30 min OFF 1% Pulse Tolerance 52F @ 2KV / 60 sec intervals, 104J 1% 20,000 Pulses Dielectric Strength 6KVDC for 1 minute 1% O R D E R I N G I N F O R M AT I O N RoHS Compliant TA 1 K 0 P H 2 R 5 0 K E Style Package Resistance Type 2.5 = 2R50 50 = 50R0 Tolerance K = 10% (standard) L = 20% S TA N D A R D PA RT N U M B E R S F O R TA P 1 0 0 0 S E R I E S Ohms 3 4 5 8 10 Part Number 10% Tolerance TA1K0PH3R00KE TA1K0PH4R00KE TA1K0PH5R00KE TA1K0PH8R00KE TA1K0PH10R0KE Ohms 15 20 25 30 50 Part Number 10% Tolerance TA1K0PH15R0KE TA1K0PH20R0KE TA1K0PH25R0KE TA1K0PH30R0KE TA1K0PH50R0KE Check product availability at www.ohmite.com 66 Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 * 1-866-9-OHMITE * Int'l 1-847-258-0300 * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com |
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