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ZX5T853ZTA is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Diodes Incorporated. Its product description is TRANS NPN 100V 4.5A SOT-89-3. Review the specifications below when checking this part for your BOM.
The ZX5T853ZTA is a 100V NPN low saturation medium power transistor packaged in an SOT-89 outline. It features a continuous collector current of 4.5A and a peak pulse current capability of 10A. The device offers extremely low on-state losses, with a typical collector-emitter saturation voltage (VCE(SAT)) of 31mV at IC=4.5A. Power dissipation reaches 2.1W on a 50mm FR4 PCB. Operating temperature ranges from -55°C to +150°C.
Verify the specific ordering suffix against official Diodes Incorporated documentation to confirm packaging details. Confirm that the component matches the required thermal resistance conditions for your specific PCB layout. Ensure compatibility with RoHS standards as defined in the latest datasheet revision before finalizing procurement specifications.
Select this component when low saturation voltage is critical for minimizing conduction losses in medium power applications. Evaluate thermal management requirements based on the specified linear derating factors for both single-sided copper coverage scenarios. Consider the transition frequency and switching times if high-speed operation is required within the circuit design constraints.
This part belongs to the ZX5T853 series of NPN transistors manufactured by Diodes Incorporated. It utilizes silicon technology and is housed in a surface-mount SOT-89 package. The device is part of a family optimized for power management functions where efficiency and thermal performance are primary design considerations.
Direct substitutes must match the 100V rating, NPN polarity, and SOT-89 package. Verify equivalent saturation voltages and current capabilities to ensure functional parity in existing designs without requiring schematic modifications.
The device supports a peak pulse current (ICM) of 10A.
Power dissipation is 1.5W on a 25mm x 25mm FR4 PCB and increases to 2.1W on a 50mm x 50mm FR4 PCB, both with single-sided copper coverage.
The typical VCE(SAT) is 31mV when the collector current is 4.5A.
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