The Mundorf BH100-3,9 is a 3.9 mH MCoil Ferrite/Aronit DrumCore Baked Varnish coil with low 0.30 Ω DC resistance, designed for precise passive crossover applications.
Highlights
- 3.9 mH inductance with ±3% tolerance
- Low 0.30 Ω DC resistance
- Ferrite/Aronit drum core construction
- OFC copper SolidCore conductor
- 0.79 mm², AWG 18, 1.00 mm
- Baked winding fixation for a stable coil structure
Product details
Mundorf BH100-3,9 | 3.9 mH | 0.30 Ω | 3% | 18 AWG | MCoil Ferrite/Aronit DrumCore Baked Varnish Coil Inductor
The Mundorf BH100-3,9 is part of the MCoil BH100 series, using a Ferrite/Aronit drum core and baked varnish winding fixation. This construction is intended for coils in crossover designs where a compact inductor with defined electrical values and stable mechanical winding is required.
With an inductance of 3.9 mH and a ±3% tolerance, this coil is suitable for accurately tuned passive filter networks. Its 0.30 Ω DC resistance helps keep series losses low, making it a practical choice for speaker crossover sections where resistance values matter.
The coil uses an OFC copper SolidCore conductor with a 0.79 mm² cross section, AWG 18 rating and 1.00 mm wire diameter. The baked winding fixation supports a robust coil body and helps maintain the winding structure during installation and use.
The BH100-3,9 has compact dimensions of Ø40 x H37 mm and uses coil body type F4037. It is supplied as a single piece and is well suited for DIY loudspeaker builders and crossover upgrades that require a Mundorf 3.9 mH ferrite core coil.
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