| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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69 pcs
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69 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The Bourns 1140-120K is a high-current power inductor from the 1140 series. It features an inductance of 12µH ±10% measured at 1kHz, with a DC resistance of 5mOhm maximum. The rated current is 27A based on a 50°C temperature rise and 5% inductance drop, while the saturation current is 59.6A and RMS current is 21.8A. Operating temperature range is -55°C to 105°C.
Constructed with a ferrite core and epoxy coating, the inductor uses a drum core wirewound design. It is unshielded and features self-leaded termination with VW-1 rated shrink tubing covering the winding. The package is a through-hole radial vertical cylinder with a body diameter of 38.10mm, seated height of 26.16mm, and lead diameter of 0.081\". Dielectric withstanding voltage is 2500Vrms terminal to cover and 1000Vrms terminal to core.
This inductor is suitable for high-current applications such as power supply filtering, DC-DC converters, and energy storage circuits. Its low DCR minimizes power losses, and the robust construction ensures reliable operation in demanding environments.
12µH at 1kHz.
27A DC (based on 50°C temperature rise and 5% inductance drop).
5mOhm maximum.
59.6A.
21.8A.
-55°C to 105°C.
Through-hole, radial vertical cylinder.