Film Resistors, buy Precision 1/8 watt 1/2WS 1WS 2WS 3W 5WS Metal Film Fixed Resistors on China Suppliers Mobile

Product Details

MFR CMF Precision 1/8 watt 1/2WS 1WS 2WS 3W 5WS Metal Film Fixed Resistors

Metal Film Resistors(MFR/CMF)

Features:

1, Low temperature coefficient, high precision, and good high frequency performance.

2, Operating ambient temperature:-55°C to +155°C.

3,Film the metal in Vacuum, the surface coating is Green resin with the good waterproof.

4, Resistance tolerance:±5%,±1%.

Power: 1/8W,1/6W,1/4WS,1/4W,1/2WS,1/2W,1WS,1W,2WS,2W,3WS,3W,5WS

Tolerance: ±5%,±1%.

Range:0R1-22M

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

Dimensions and Voltage Performance:

Performance Test:

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 ing 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 ing voltage (get the lower ) for 1000 hours (1.5 hours on and half-hour off) at the 70±2℃.	ΔR≤±(2%R0+0.05Ω)