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Zhengli Group Company Limited

Resistor, Film Resistor, Carbon Resistor manufacturer / supplier in China, offering Carbon Film Fixed Resistor (CFR), CFR Carbon Resistor, Metal Film Fixed Resistor (Mfr) and so on.

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Supplier Homepage Product resistor Carbon Film Fixed Resistor (CFR)

Carbon Film Fixed Resistor (CFR)

FOB Price: US $0.008 / Piece
Min. Order: 1,000 Pieces
Min. Order FOB Price
1,000 Pieces US $0.008/ Piece
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Production Capacity: 1000k Pieces a Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: CFR
  • Function for Resistance: Protective Resistor
  • Material: Carbon Film Resistor
  • Type: Carbon Film Resistor
  • Shape: Cylinder
  • Application: Lamps and Lanterns
  • Manufacturer: Zhengli
  • Origin: Dongguan Guangdong China
  • Resistance: Fixed Resistor
  • Installation: DIP Resistor
  • Packaging: Throught Hole
  • Quantity: Carbon Film Resistor
  • Resistance change scale: Fixed
  • Brand: Zhengli
  • Trademark: zhengli
  • HS Code: 85331000
Product Description
Carbon film fixed resistor

1. stable  performance , extensive resistance ,small size , high operating temperature and high ultimate voltage .
2. Highly adaptive pulse load , good high frequency performance.
3. Operating ambient temperature : -55 ~ +125ºC
4. The resistors 's normal size coats yellow and the minisize coats brown.
5. Resistance tolerance :±2%, ±5%,±10%.
Structure drawing:
Carbon Film Fixed Resistor (CFR)
A. High heat exchanged ceramic core
B. High stability electric conduction film
C. Iron cap
D. Epoxy resin coating
E. Colour ring
F. Tinned copper lead wire or CPlead wire
Dimensions and voltage performance
powerResistance rangeDimensions(mm)Max working voltage(V)Max overload voltage(V)Max pulse voltage(V)Max insulation voltage(V)

"s" means mini size ;
Rated  voltage V= ;
If the calculated rated voltage is higher than the max working voltage ,it will be got the lower value .
Rated power derating curve:
Carbon Film Fixed Resistor (CFR)
Performance  test :
Test itemTest conditionperformance
Temperature coefficientTest the resistance value at normal temperature and normal temperature added 100ºC ,calculate per ºC resistance value change rate±1000ppm/ºC
Short time overload2.5Xrated  voltage or max overload voltage (get the lower) for 5 secondsR≤±(1%Ro+0.05Ω)
Pulse overloadAt 4Xrated  voltage or max pulse overload voltage (get the lower) cycle 10000±200 times(1 second on ,25 seconds off)R≤±(2%Ro+0.05Ω)
Resistance  to soldering heatImmerge  into 350±10ºC tin stove for 2~3 secondsR≤±(1%Ro+0.05Ω)
solderabilityImmerge  into 260±5ºC tin stove for 2~3 secondsThe area of soldering is over 95%
Temperature cyclingAt -55ºC for 30 minutes ,then at +25ºC for 10~15 minutes,then at +125ºC for 30 minutes ,then at  +25ºC for 10~15 minutes,total 5 cyclesR≤±(1%Ro+0.05Ω)
Load life in humidityOverload rated  voltage or max working voltage (get the lower) for 1000hours (1.5 hours on and half-hour off) at the  40±2ºC and 90~95% relative humidityR≤±(5%Ro+0.05Ω)
Load life in heatOverload  rated  voltage or max working voltage (get the lower) for 1000 hours (1.5 hours on and half-hour off) at the  70±2ºCR≤±(5%Ro+0.05Ω)
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