Engine Model: TM-50. Manufacturer Name: D-100. Designer: TsNIIMASH. Propellants: Electric/Xenon. Thrust(vac): 0.25 N (0.05 lbf). Isp: 3,000 sec. Chambers: 1. Country: Russia. Status: Development. Hall effect thruster with anode layer, designed for satellite orbital raising. Taken to engineering model stage. Thrust 100 to 250 mN, power requirement 20 to 50 kW, specific impulse 3000-7000 seconds, efficiency 75%.