RIMS 3RLAB® , Thick Film Non-Inductive Power Resistives on Steel Substrates High Power, For Motor & Inverter Resistors This new range of thick film on steel planar power resisitors offers high withstand capability,footprint and low profile, to many demanding applications including dynamic braking and industrial welding. DIMENSIONS[mm] DERATING CURVE SPECIFICATIONS ITEMS Type L W t D a b RIMS-2K 60.96 40.64 0.9 5.3 4.75 13 RIMS-5K 122 70 0.9 5.3 13 24 RIMS-2K Resistance range RIMS-5K 2R to 2Megohm Max ∆R at rated pulse load (1mS of Pulse width, for 2sec on 8sec off as 1 cycle) Max pulse power(min 50000 cycles) (1mS of Pulse width, for 2sec on 8sec off as 1 cycle) Stability(nominal load) after 50000 cycles ± 20% 5KW 3 6 0 °C 2500Vdc Max single pulse power (1ms pulse non-repetive) 8 k J o u ls 1 6kJouls 100 W 300 W Inductance(typical) < 3 µH <5µH Torque of resistor & Heatsink ≤ 2.5 Nm with M4 screw Thermal Resistance of Heatsink Dielectric Strength Required Thermal Grease / Compound Required Flatness of Heatsink Pulse Circuitry Motor Drives 2KW ∆ R< ± 5 % Max ‘hot spot’temperature on Resistive parts Application Guide : RIMS Inverters Power Supplies,UPS Power Conversions Dynamic Braking In-Rush Current Limitings ≤ 0.12 °C/w Typ. 1kV ≤ 0.08 °C/W 0.05mm • Termination type Flying Leads. • Air forced coolant 15m/sec Velocity • HeatSink of thermal Resistance ≤ 0.05 ºC/W *The specifications subject to change notice. www.3RLab.com 3RLAB,INC. Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, e-Mail: RH7 6BL, United Kingdom [email protected] #351-43 CHONWONRI,MADOMYUN, +82-31-356-6379 Voice: Tel . + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306 E-Mail. [email protected] Web. www.willow.co.uk HWASUNG-CITY,KYUNGGIDO,KOREA 2003 Edition. 3RLAB,INC. Fax : +82-31-356-9127