MOF. Metal Oxide Film Resistor
Dimension
Specification
Power Rating | Max Working Voltage | Max Overload Voltage | Dimension (mm) | Resistance Range | |||
L | D | H | d±0.05 | ||||
1/4W | 250V | 400V | 6.5±0.5 | 2.3±0.5 | 28±2.0 | 0.50 | Standard
1Ω - 150KΩ |
1/2WS | 250V | 400V | 6.5±0.5 | 2.3±0.5 | 28±2.0 | 0.50 | |
1/2W | 250V | 400V | 9.5±0.5 | 3.2±0.5 | 26±2.0 | 0.60 | |
1WS | 350V | 600V | 9.5±0.5 | 3.2±0.5 | 26±2.0 | 0.60 | |
1W | 350V | 600V | 11.5±1.0 | 4.5±0.5 | 35±3.0 | 0.70 | |
2WS | 350V | 600V | 11.5±1.0 | 4.5±0.5 | 35±3.0 | 0.70 | |
2W | 350V | 600V | 15.5±1.0 | 5.0±0.5 | 35±3.0 | 0.75 | |
3WS | 350V | 600V | 15.5±1.0 | 5.0±0.5 | 33±3.0 | 0.75 | |
3W | 500V | 800V | 17.5±1.0 | 6.0±0.5 | 38±3.0 | 0.75 | |
5WS | 500V | 800V | 17.5±1.0 | 6.0±0.5 | 38±3.0 | 0.75 | |
5W | 750V | 1000V | 24.5±2.0 | 8.0±1.0 | 35±3.0 | 0.75 |
Electrical Performance
Test Items | Condition | Spec |
Adhesion solderability | 230°C±5°C for 3+0.5 sec | 95% |
Resistance Temp. Coeff. | -30°C ~ +155°C | ±350PPM/°C |
Short time overload | 2.5 times of RCWV for 5 seconds | ±(2%+0.05Ω) |
Dielectric withstand voltage | Max overload voltage 1 minute | ±(0.5%+0.05Ω) |
Temperature cycling | -30°C/+85°C for 5 cycles | ±(1%+0.05Ω) |
Insulation resistance | D.C. 500V | 1000MΩ |
Moisture-proof load life | 40°C 95% RH 1.5hrs on, 0.5hr off, cycle for 1000hrs | ±(5%+0.05Ω) |
Intermittent overload voltage | At 4 times RCWV 1 sec on, 25 sec off, for 1000 cycles | ±(5%+0.05Ω) |