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FMMT449TC is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Diodes Incorporated. Its product description is TRANS NPN 30V 1A SOT-23-3. Review the specifications below when checking this part for your BOM.
The FMMT449TC is an NPN silicon planar medium power transistor manufactured by Diodes Incorporated. It operates with a collector-emitter voltage of 30V and a continuous collector current of 1A, supporting a peak pulse current of 2A. The device dissipates up to 500mW of power and features a transition frequency of 150MHz. Packaged in SOT-23, it offers low equivalent on-resistance of 250mΩ at 1A and maintains operation across a temperature range from -55°C to +150°C.
Verify the component matches the specific FMMT449TC designation against official Diodes Incorporated documentation. Confirm package integrity and marking details align with the datasheet specifications. Ensure environmental compliance requirements are met before integration into final assemblies.
Select this component for designs requiring robust NPN switching capabilities within a compact surface-mount footprint. Consider its 30V rating and 1A current capacity for appropriate load management. Evaluate thermal dissipation needs relative to the 500mW limit under expected operating conditions.
This transistor belongs to the FMMT series of medium power devices designed for general-purpose use. It serves as a complementary counterpart to the PNP type FMMT549. The part is marked with '449' on the package body for identification purposes during assembly and inspection processes.
FMMT549 (Complementary PNP type)
The maximum collector-emitter breakdown voltage (V(BR)CEO) is 30V.
Yes, the device is qualified to AEC-Q101 standards for high reliability.
The transition frequency (fT) is 150MHz when measured at IC=50mA and VCE=10V.
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