NDS9943

FET, MOSFET Arrays Overview

The NDS9943 is a dual P-channel isolated enhancement mode MOSFET from the PowerTrench series by onsemi. It features a maximum drain-source voltage (Vds) of 60 V and a continuous drain current (Id) of 2.3 A. The device is housed in an 8-pin SOIC surface-mount package with dimensions of 5 mm length and 1.5 mm height. Key electrical parameters include a maximum drain-source resistance (Rd) of 500 mΩ, a forward voltage (Vf) of -0.8 V, and a typical gate charge (Qg) of 9 nC at specified Vgs. The component supports a maximum power dissipation (Pd) of 2 W and operates within a temperature range of -55°C to 175°C.

FET, MOSFET Arrays Feature Summary

• Dual channel configuration providing two isolated P-channel MOSFETs within a single compact package for space-constrained designs.
• Enhanced switching performance characterized by low gate charge and optimized on-resistance to minimize drive losses.
• Robust thermal capability allowing operation up to 175°C junction temperature for high-reliability applications.

FET, MOSFET Arrays Applications

• Low-side switching in portable consumer electronics
• Load management circuits in battery-powered devices
• General purpose signal switching in industrial control systems

FET, MOSFET Arrays Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer prior to finalizing procurement plans. Ensure the selected variant matches the required pinout and thermal characteristics for the intended PCB layout.

FET, MOSFET Arrays Selection Notes

Select this component when a dual P-channel solution is required in an 8-pin SOIC footprint. Evaluate the 500 mΩ on-resistance against the expected load current to ensure thermal limits are not exceeded. Consider the 60 V breakdown voltage relative to the system supply rails. Verify that the gate charge requirements align with the driving circuit's capabilities for efficient switching.

FET, MOSFET Arrays Part Context

The NDS9943 belongs to onsemi's PowerTrench family, which focuses on optimizing the trade-off between conduction loss and switching speed. This series utilizes advanced trench technology to achieve lower Rds(on) compared to standard planar MOSFETs. The dual configuration allows designers to reduce board space and assembly costs by integrating two independent channels into one package.

FET, MOSFET Arrays Replacement Considerations

Consult official cross-reference guides for verified substitutes. Ensure any replacement maintains the 60 V Vds rating, P-channel polarity, and 8-pin SOIC package compatibility. Verify that alternative components meet the same thermal and electrical performance criteria.