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The FCI11N60 is an N-channel enhancement mode MOSFET manufactured by Fairchild Semiconductor, now part of onsemi. It features a maximum drain-source voltage (Vds) of 600 V and a continuous drain current (Id) of 11 A at case temperature. The device utilizes I2PAK packaging for through-hole installation. Key electrical parameters include a maximum on-resistance (Rds(on)) of 380 mΩ at Vgs = 10 V and Id = 5.5 A. The gate threshold voltage (Vgs(th)) is specified at a maximum of 5 V with Id = 250 µA. Maximum gate-source voltage limits are ±30 V. The component supports a maximum power dissipation of 125 W at the case and operates within a junction temperature range of -55 °C to +150 °C.
Verify the manufacturer designation carefully, as Fairchild Semiconductor was acquired by onsemi. Ensure the specific ordering suffix matches the required package variant and lead-free status. Confirm that the datasheet version aligns with the production batch requirements for your design specifications.
Select this component for designs requiring 600 V blocking voltage with moderate current handling up to 11 A. The TO-220/I2PAK form factor facilitates thermal management via heatsinking. Evaluate the Rds(on) and gate charge trade-offs against system efficiency targets and switching frequency constraints.
This device belongs to the standard N-channel MOSFET lineup from Fairchild Semiconductor, which continues under the onsemi brand portfolio. It represents a legacy high-voltage discrete semiconductor solution designed for industrial and consumer power electronics markets prior to the integration of advanced SuperFET technologies.
Direct substitutes include other 600 V, 11 A N-channel MOSFETs in I2PAK or TO-220 packages from onsemi or other manufacturers. Verify pinout compatibility and ensure equivalent or superior Rds(on), Qg, and avalanche ratings before substitution.