Pipe & Fittings

Metal Oxide Film Resistor / Metal Film Resistor WS-MF Series Of 1/8W 1/6W 1/4W 1/2W 1W 2W 3W

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We can make un-common product per customers requirements.

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Features:

1, Resistance range: ?0.01~22M ohms

2, Power range:1/8W~5W

3, Working Voltage: 150V~700V

4,?Resistance tolerance: ±1%,±2%,±5%

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Description | Power | Tolerance | Range |
(CR/CCR)Carbon Film Resistors | 1/8W, 1/6W, 1/4WS, 1/4W, 1/2WS, 1/2W, 1WS, 1W 2WS, 2W, 3WS, 3W, 5WS | ±5% ±2% ±10% | 0R-22M |
(LCR/HCR)Nonflammable carbon film Resistors | ±5% ±2% ±10% | 0R1-22M |
(MO/CMO)Metal oxide film Resistors | ±5% ±2% | 0R1-820K |
MF/CMF Metal Film Resistors | ±5% ±1% | 0R1-22M |
LMF/HMF Nonflammable Metal Film Resistors | ±5% ±1% | 0R-22M |
(PMF)High precision metal film Resistors | 1/8W, 1/6W, 1/4WS, 1/4W, 1/2WS, 1/2W, 1WS, 1W 2WS, 2W | ±0.5% ±0.1% | 10R-2M2 |
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Performance Test:

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Test Item | Test Condition | Performance |
Temperature coefficient | Test the resistance value at normal temperature and normal temperature added 100℃,calculate per℃ resistance value change rate . | ±100ppm/℃ |
Short time overload | 2.5 × rated voltage or Max.overload voltage (get the lower) for 5 seconds. | ΔR≤±(0.5%R0+0.05Ω) |
Pulse overload | At 4 × rated voltage or Max. pulse overload voltage (get the lower) cycle 10000±200 times(1 second on, 25 seconds off ). | ΔR≤±(1%R0+0.05Ω) |
Resistance to soldering heat | Immerge into 350±10℃ tin stove for 2~3 seconds. | ΔR≤±(0.5%R0+0.05Ω) |
Solderability | Immerge into 245±3℃ tin stove for 2~3 seconds. | The area of soldering is over 95% |
Temperature cycling | At -55℃ for 30 min, then at +25℃ for 10~15 min, then at +125℃ for 30 min, then at +25℃ for 10~15 min, total 5 cycles. | ΔR≤±(0.5%R0+0.05Ω) |
Load life in humidity | Overload rated voltage or Max.working voltage (get the lower) for 1000 hours (1.5 hours on and half-hour off ) at the 40±2℃ and 90~95% relative humidity. | ΔR≤±(2%R0+0.05Ω) |
Load life in heat | Overload rated voltage or Max.working voltage (get the lower ) for 1000 hours (1.5 hours on and hal |
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Applications:

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1). AC Drive inverter |
2). Motion/Servo Control |
3). UPS, Uninterruptible Power Supply |
4). Welding Power Supplies |
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Payment and Shipping:

1, Lead time about 3~5 days.

2, Payment: T/T; Western union; Paypal .

3, Shipping: by DHL, Fedex, TNT, UPS, EMS ect