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Coating color : Reddish brown
Marking : Alphanumeric |
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 Construction |
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| 1. |
Flame retardant coating |
| 2. |
Resistive body |
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Electrode cap |
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Lead wire |
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Features |
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KOA original ceramic resistors. |
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Excellent in anti-pulse characteristics. |
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More reliable than wirewound resistors
and film resistors against disconnection failure. |
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Products meet
EU-RoHS requirements. |
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Applications |
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High voltage circuits for X-ray generators and electron microscopes. |
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Flyback transformers. |
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Power supply circuits for machine tools, etc. |
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| Type |
Dimensions (mm) |
Weight (g)
(1000pcs) |
L 2 |
D1 |
d (Nominal) |
 3 |
| HPC1/2 |
11 |
3.5 |
0.8 |
38 |
690 |
| HPC1 |
16 |
4.5 |
1260 |
| HPC2 |
21 |
5.0 |
1780 |
| HPC3 |
26 |
6.0 |
2830 |
| HPC4 |
38 |
7.0 |
1.0 |
5880 |
| HPC5 |
44 |
7.5 |
7930 |
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| HPC |
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1 |
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C |
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103 |
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K |
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| Product Code |
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Power Rating |
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Terminal
Surface Material |
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Nominal
Resistance |
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Resistance
Tolerance |
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1/2 : 0.5W
1 : 1W
2 : 2W
3 : 3W
4 : 4W
5 : 5W |
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C : SnCu
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3digits |
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K :  10%
M : 20% |
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Contact us when you have control request for environmental hazardous material other than the substance specified by EU-RoHS.
For further information on taping, please refer to Common Specification. |
| Type |
Power
Rating |
Resistance
Range |
Resistance
Tolerance |
T.C.R.
(×10-6/K) |
Max. Working Voltage |
Max. Overload Voltage |
Max. Pulse Voltage
*1 |
Rated Ambient Temp. |
Operating Temp. Range |
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HPC1/2 |
0.5W |
10  390k(E12) |
K : 10% |
-900300 : R<100
-1200300 : R 100 |
200V |
400V |
8kV |
+40 |
-40 +200 |
| 3.3 330k(E6) |
M : 20% |
| HPC1 |
1W |
10 390k(E12) |
K : 10% |
300V |
600V |
15kV |
| 3.3 330k(E6) |
M : 20% |
| HPC2 |
2W |
10 390k(E12) |
K : 10% |
400V |
800V |
25kV |
| 3.3 330k(E6) |
M : 20% |
| HPC3 |
3W |
10 390k(E12) |
K : 10% |
450V |
900V |
25kV |
| 3.3 330k(E6) |
M : 20% |
| HPC4 |
4W |
10 390k(E12) |
K : 10% |
500V |
1000V |
25kV |
| 3.3 330k(E6) |
M : 20% |
| HPC5 |
5W |
10 390k(E12) |
K : 10% |
550V |
1100V |
25kV |
| 3.3 330k(E6) |
M : 20% |
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*1 Please refer to " Resistance to pulse " in the performance columm .
Rated voltage=√(Power Rating×Resistance value) or Max. working voltage, whichever is lower. |
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For resistors operated
at an ambient temperature of 40 or above, a power
rating shall be derated in accordance with the left derating
curve. |
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Application Notes
Brush up your circuit
Basic Knowledge
