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Conductor Width
Conductor Spacing
PCBDR Tour
Resource Calc
Standards
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Quick Reference For Conductor Spacing
Minimum Conductor Spacing
For PCBs
|
| Voltages |
Transient Voltage Not Limited |
Transient Voltage Limited |
| Coated |
Uncoated |
Coated |
Uncoated |
| Volts |
mm |
in |
mm |
in |
mm |
in |
mm |
in |
| 0V |
- |
- |
- |
.010 |
- |
- |
- |
- |
| 5V |
- |
- |
- |
.012 |
- |
- |
- |
- |
| 10V |
- |
- |
- |
.015 |
- |
- |
- |
- |
| 15V |
- |
- |
- |
.017 |
- |
- |
- |
- |
| 20V |
- |
- |
- |
.019 |
- |
- |
- |
- |
| 25V |
- |
- |
- |
.022 |
- |
- |
- |
- |
| 30V |
- |
- |
- |
.024 |
- |
- |
- |
- |
| 35V |
- |
- |
- |
.026 |
- |
- |
- |
- |
| 40V |
- |
- |
- |
.028 |
- |
- |
- |
- |
| 45V |
- |
- |
- |
.031 |
- |
- |
- |
- |
| 50V |
.18 |
.007 |
.85 |
.033 |
.025 |
.001 |
.04 |
.002 |
| 100V |
.25 |
.009 |
1.0 |
.039 |
.1 |
.004 |
.16 |
.006 |
| 125V |
.28 |
.011 |
1.05 |
.041 |
.16 |
.006 |
.25 |
.009 |
| 160V |
- |
- |
1.1 |
.043 |
.25 |
.010 |
.40 |
.015 |
| 200V |
.42 |
.016 |
1.4 |
.055 |
.40 |
.015 |
.63 |
.025 |
| 250V |
.56 |
.022 |
1.8 |
.070 |
.56 |
.022 |
1.0 |
.039 |
| 320V |
.75 |
.029 |
2.2 |
.087 |
.75 |
.029 |
1.6 |
.061 |
| 400V |
1.0 |
.039 |
2.8 |
.110 |
1.0 |
.039 |
2.0 |
.079 |
| 500V |
1.3 |
.051 |
3.6 |
.142 |
1.3 |
.051 |
2.5 |
.098 |
| 600V |
- |
- |
4.5 |
.177 |
1.8 |
.070 |
3.2 |
.126 |
| 800V |
2.4 |
.094 |
5.6 |
.219 |
2.4 |
.094 |
4.0 |
.157 |
| 1000V |
3.2 |
.126 |
7.1 |
.279 |
3.2 |
.126 |
5.0 |
.197 |
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