RF300CH dc micro-motor used for Audio and visual e

DC micro-motor: RF300CH Model: RF300CH-11400 1. Conditions of use 1.1 Operating voltage range: 1.0-5.0V/DC 1.2 Rated voltage: 2.0V/DC 1.3 Rated load: 6.2g.cm maximum 1.3 Direction of rotation: CW 1.4 Use of the environment:-5°C +45°C/Ordinary humidity10 90%RH 1.5 Storage conditions:-15°C +55°C/Ordinary humidity10 90%RH(No condensation of moisture) 2.Test conditions 2.1 Temperature: 20±2 °C 2.2 Humidity: 65±5% RH 2.3Dc micro-motor position:dc micro-motor shaft horizontal (Lock thedc micro-motor in a test fixture) 3.Appearance specification 3.1 Configuration: According to specification of dc micro-motorhousing configuration (See out drawing) 3.2 Appearance: There shall be no evidence of mechanical damage and shall be no inadequate corrosion, etc [Visual examination :( Allowable extent in based on boundary sample)] 4. Mechanical performance and characteristics(At Test conditions) 4.1 Rated voltage: 2.0V/DC No load 4.2 Speed:2400±10% RPM 4.3 Current: 0.028A (maximum) At maximum efficiency 4.4 Torque:3.6 g.cm 4.5 Speed:2400 ±10%RPM 4.6 Current: 0.06A 4.7 Output: 0.06W 4.8 Efficiency: 50.2% Stall 4.8 Torque: 12.5g.cm 4.9 Current:0.17 A 4.10 Starting voltage:0.5V maximum (No load) 4.11 Mechanical noise:≤55dB maximum Test conditions 4.11.1 Measured at rated voltage and rated load 4.11.2 Background noise 45dB maximum 4.11.3 Lock thedc micro-motor in a test fixture(shaft horizontal) 5.Requirements 5.1 Load speed varies within ±30%from initial 5.2 load current varies within ±30% from initial 5.3 Terminal resistance varies within ±30% from initial 5.4 Starting voltage is 0.5V maxim 6.Reliability test 6.1 Life test: Standard test conditions 6.1.1 Voltage: 2.0V DC 6.1.2 Temperature:20±2°C 6.1.3 Humidity:65±5%RH 6.1.4 Lock thedc micro-motor in a test fixture(shaft horizontal) 6.1.5 Test model: continuous operation 6.1.6 Test time :> 200H 6.2 Low temp storage 6.2.1 Temperature:-30±2°C 6.2.2 Time: 120H 6.3 High temp storage 6.3.1 Temperature:8.5±2°C 6.3.2 Time: 120H 6.4 Humidity storage 6.4.1 Temperature:70±2°C 6.4.2 Humidity: 90-95%RH 6.4.3 Time: 240H 6.4.4 No condensation of moisture 6.5 Vibration test 6.5.1 Total peak amplitude:1.5mm(P-P) 6.5.2 Frequency: 60HZ 6.5.3 Period: 10-55-10HZ 6.5.4 Direction: X, Y, Z 6.6.5 30minutes per plane After testing the above conditions, dc micro-motors shall be satisfy with specified in Requirements