| Property |
Value |
| Gauge 37 Diameter (in) |
0.00445 in |
| Gauge 37 Diameter (mm) |
0.1 mm |
| Gauge 37 Turns of Wire (per inch) |
225.0 turns/in |
| Gauge 37 Turns of Wire (per cm) |
88.4 turns/cm |
| Gauge 37 Cross-Sectional Area (kcmil) |
0.0198 kcmil |
| Gauge 37 Cross-Sectional Area (mm²) |
0.009999999999999998 mm² |
| Copper Resistance (Ω/km or mΩ/m) |
1716.0 mΩ/m |
| Copper Resistance (Ω/kft or mΩ/ft) |
523.1 mΩ/ft |
| NEC Copper Wire Ampacity (60°C) |
0 A |
| NEC Copper Wire Ampacity (75°C) |
0 A |
| NEC Copper Wire Ampacity (90°C) |
0 A |
| Fusing Current (10 s) |
3.0 A |
| Fusing Current (1 s) |
3.1 A |
| Fusing Current (32 ms) |
17.0 A |
Frequently Asked Questions (FAQs) About 37 AWG Wire
What does AWG stand for?
AWG stands for American Wire Gauge, a standardized system for measuring wire sizes. The smaller the AWG number, the larger the wire diameter.
How does 37 AWG compare to 36 AWG?
37 AWG wire is smaller than 36 AWG, with a diameter of 0.1 mm compared to 0.127 mm for 36 AWG. It has the same ampacity (0 A at 90°C) but a smaller cross-sectional area and higher resistance.
What applications are suitable for 37 AWG wire?
37 AWG wire is typically used for extremely low-current applications, such as fine electronics, hobby projects, or small signal wiring, due to its limited ampacity.
What happens if the fusing current is exceeded?
If the fusing current is exceeded (e.g., 3 A for 10 seconds in 37 AWG), the wire will overheat and melt, potentially causing a fire hazard or circuit failure.
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