A snubber resistor is an electrical component used in snubber circuits to suppress voltage spikes and dampen oscillations in power electronics and switching applications.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Tolerance | ±5% to ±10% (standard), ±1% (precision) | |
| Resistance | 1 ohm to 1 Mohm (typical range) | |
| Power Rating | 0.5W to 50W (depending on application) | |
| Mounting Type | Through-hole, surface mount, or chassis mount | |
| Voltage Rating | 250V to 1000V AC/DC | |
| Operating Temperature | -55°C to +155°C | |
| Temperature Coefficient | <100 ppm/°C (low TCR for stability) |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
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It dissipates energy from voltage transients and oscillations during switching events, protecting components from overvoltage and reducing electromagnetic interference.
Selection depends on the circuit's parasitic inductance and capacitance, switching frequency, and voltage levels. Use formulas like R = √(L/C) for critical damping or simulation tools, considering power dissipation and response time.
No, it is typically paired with a capacitor in an RC configuration to form a complete snubber network, as the capacitor stores charge and the resistor controls the discharge rate.
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