This data sheet provides information about the characteristics of Ametherm SL12 47003.
The SL12 47003 is a circuit protection thermistor offered by Ametherm. It is available with straight leads or kinked leads; inside kinked leads are ordered by appending "-A" to the part number, while outside kinked leads use "-B" (e.g., SL12 47003-A).
Key specifications include a resistance of 47 Ω ± 20 % at 25 °C, a maximum steady‑state current of 3 A up to 65 °C, and energy ratings of 20 J (recommended) and 35 J (failure point). Mechanical dimensions are D 12.0 mm max, T 4.0 mm max, lead diameter 0.5 mm, spacing 5.10 mm, and length 38.0 mm min.
| Resistance @ 25 °C | 47.0 Ω ± 20 % |
|---|---|
| Max Steady State Current (up to 65 °C) | 3.0 A |
| Max Recommended Energy Rating | 20.0 J |
| Actual Failure Point of Instantaneous Energy | 35.0 J |
| Dissipation Constant | 12.7 mW/°C |
| Thermal Time Constant | 32 seconds |
| Max Recommended Capacitance @ 120 VAC/240 VAC | 1400 µF / 350 nF |
| Diameter (D) | 12.0 mm max |
| Thickness (T) | 4.0 mm max |
| Lead Diameter | 0.5 mm |
| Lead Spacing (S) | 5.10 mm |
| Lead Length (L) | 38.0 mm min |
Add "-A" after the part number, e.g., SL12 47003‑A.
The maximum steady‑state current is 3.0 A.
It has a resistance of 47 Ω with a tolerance of ±20 % at 25 °C.
Diameter 12.0 mm max, thickness 4.0 mm max, lead diameter 0.5 mm, lead spacing 5.10 mm, and lead length 38.0 mm min.