Buy Electronic Components Testing Metal Film Fuse Fixed Resistor
Buy Electronic Components Testing Metal Film Fuse Fixed Resistor for House Hold Appliances
1,Low temperature coefficient, high precision, low noise, and good high frequency performance.
2,Can be fusible during the stated time for protecting the circuit once wording at the required overload voltage.
3,Operating ambient temperatur: -55℃~+125℃.
4, The surface is brick red nonflammable coating and indicate a white ring at the behind of the precision color ring.
5, Resistance tolerance:±5%,±10%.
Dimensions and Voltage Performance:
Part No. |
Power |
Resistance range | Dimensions |
Max. working voltage |
Max.overload voltage |
Max.insulation voltage | ||
L±1 | D±0.5 | d±0.05 | ||||||
CFM014 | 1/4W | 0R1~1K | 6.0 | 2.3 | 0.45 | 200V | 400V | 300V |
CFM12S | 1/2WS | 0R1-1K | 6.0 | 2.3 | 0.45 | 200V | 400V | 300V |
FMF012 | 1/2W | 0R1~1K | 9.0 | 3.2 | 0.58 | 250V | 500V | 500V |
FMF01S | 1WS | 0R1~1K | 9.0 | 3.2 | 0.58 | 250V | 500V | 500V |
FMF01B | 1W | 0R1~1K | 11.0 | 4.5 | 0.75 | 350V | 700V | 710V |
FMF02S | 2WS | 0R1~1K | 11.0 | 4.5 | 0.75 | 350V | 700V | 710V |
FMF02B | 2W | 0R1~1K | 15.0 | 5.0 | 0.75 | 350V | 700V | 710V |
FMF03S | 3WS | 0R1~1K | 15.0 | 5.0 | 0.75 | 350V | 700V | 710V |
Fusing Characteristics:
Fusing Spec. |
Multiple Rated power | Rated resistamce range | ||
<2R | 2~10R | >10R | ||
Fusing time (s) | ||||
G | 12 |
| 60 | 30 |
B | 16 | 60 | 30 | 15 |
C | 25 | 30 | 15 | 7.5 |
J | 25 |
|
|
|
Note:We can according to customer’s requirement to customize the other fusing characteristics resistors. |
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 . | ±250ppm/℃ |
Short time overload | 1/4~4W:According 5 times rated voltage, 5~10W:According 10 times rated power to account the voltage or Max.overload voltage (get the lower) for 5 seconds. | ΔR≤±(1%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≤±(1%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≤±(1%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≤±(5%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≤±(5%R0+0.05Ω) |
Nonflammability | Respectively load AC voltage by 5,10,16 times rared power for 5 minutes. |
No visible flame. |
Part No.Regulation:
FMF | 01B | J | C | T520 | 10R00 |
Product Name |
Power |
Tol. |
Fusing Spec. |
Forming |
Ohm |
Metal Film Fuse Resistors | 014=1/4W 12S=1/2WS 012=1/2W 01S=1WS 01B=1W 02S=2WS 02B=2W 03WS=3WS | G=±2% J=±5% K=±10% | G C B J | T520=T52 T710=T71 M001=M F001=F B001=B | 0R220=0.22Ω 10R00=10Ω 100R0=100Ω 1K000=1KΩ
|




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