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Help CenterColour Coding of High Value 1R to 33K Ohm Resistors
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KNR Colour Coding of High Value 1R to 33K Ohm Resistors
for LED Lights UPS Power
Wirewound Resistors KNR
1,Good heat-durability. low temperature coefficient, low noise, high load power.
2,Operating ambient temperature:-55°C to +275°C.
3,Surface is nonflammable, the 1/4W-6W coating is gray white and indicate the resistance value by color ring, the 7W or over will indicate the resistance value by lettering or coating is green.
4,Resistance tolerance: ±1%, ±2%,±5%,±10%.
Power: 1/4W,1/2W,1W,2W,3W,4W,5W,6W,7W,8W,10W
Tolerance: ±1%, ±2%,±5%,±10%.
Range:0R01-47K
Description |
Power |
Tolerance |
Range |
||
|
KN Wire-wound Resistors |
1/4W 1/2W 1W 2W 3W 4W 5W 6W 7W 8W 10W |
±5% ±2% ±1% |
0R01-47K |
||
|
NKN Non-inductive wire-wound Resistors |
1/4W 1/2W 1W 2W 3W 4W 5W 6W 7W 8W 10W |
±5% ±2% ±1% |
0R01-100R |
||
|
BKN Glaze Wire-wound Resistors |
1W 2W 3W 4W 5W 6W 7W 8W 10W 12W |
±5% ±2% ±1% |
0R1-47K |
||
|
BVR/LVR Low Value Alloy Wire-wound Resistors |
1W 2W 3W 5W 10W |
±5% ±1% |
0R01-10R |
||
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 |
||||||
KNR014 |
1/4W |
0R5~750R |
6.0 |
2.3 |
0.52 |
150V |
300V |
250V |
KNR012 |
1/2W |
0R01~1K5 |
9.0 |
3.2 |
0.58 |
150V |
400V |
250V |
KNR01B |
1W |
0R01~1K5 |
9.0 |
3.2 |
0.75 |
150V |
400V |
250V |
KNR02B |
2W |
0R01~3K3 |
11.0 |
4.5 |
0.75 |
250V |
400V |
350V |
KNR03B |
3W |
0R01~4K7 |
15.0 |
5.0 |
0.75 |
350V |
600V |
500V |
KNR04B |
4W |
0R01~8K2 |
17.0 |
6.0 |
0.75 |
350V |
600V |
500V |
KNR05B |
5W |
0R01~8K2 |
17.0 |
6.0 |
0.75 |
350V |
600V |
500V |
KNR06B |
6W |
0R02~12K |
24.0 |
8.0 |
0.75 |
500V |
600V |
750V |
KNR07B |
7W |
0R03~18K |
31.0 |
8.0 |
0.75 |
500V |
600V |
750V |
KNR08B |
8W |
0R03~27K |
41.0 |
8.0 |
0.75 |
500V |
600V |
750V |
KNR09B |
9W |
0R04~33K |
52.0 |
8.0 |
0.75 |
750V |
800V |
1000V |
KNR10B |
10W |
0R04~33K |
52.0 |
8.0 |
0.75 |
750V |
800V |
1000V |
|
Note:a,We can according to customer’s requirmement to customize the resistor which is out of the mormal resistance range; b,If the calculated rated voltage is higher than the max. working voltage, it will be got the lower value. |
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 . |
±300ppm/℃ |
|
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≤±(2%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 |
|
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:
KNR |
01B |
J |
0 |
T520 |
100R0 |
|
Product Name |
Power |
Tol. |
Special Code |
Forming |
Ohm |
|
Wirewound fixed resistors |
014=1/4W 012=1/2W 01B=1W 02B=2W 03B=3W 04B=4W 05B=5W 06B=6W 07B=7W 08B=8W 09B=9W 10B=10W |
F =±1% G=±2% J =±5% K=±10% |
|
T520=T52 T710=T71 M001=M F001=F B001=B
|
0R100=0.1Ω 0R220=0.22Ω 10R00=10Ω 100R0=100Ω 10K00=10KΩ |
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