FDS8934A

FET, MOSFET Arrays Overview

The FDS8934A is a dual P-Channel Enhancement Mode Field Effect Transistor manufactured by onsemi. It features a maximum drain-source voltage of -20 V and continuous drain current of -4 A. The device exhibits an on-resistance of 0.055 Ω at VGS = -4.5 V and -4 A, and 0.072 Ω at VGS = -2.5 V and -3.4 A. Operating temperature ranges from -55°C to 150°C. Thermal resistance junction-to-ambient is 78 °C/W under standard conditions. Total gate charge is typically 20 nC at VDS = -5 V and ID = -4 A.

FET, MOSFET Arrays Feature Summary

• Dual MOSFET configuration in a surface mount package for high-density applications
• High cell density DMOS technology minimizes on-state resistance
• Optimized for low voltage power management and battery-powered circuits

FET, MOSFET Arrays Applications

• Notebook computer power management
• Battery powered circuits requiring fast switching
• Low in-line power loss applications

FET, MOSFET Arrays Procurement Notes

Verify the specific revision status as the component may be obsolete. Confirm thermal pad requirements for accurate heat dissipation calculations. Ensure compatibility with existing PCB footprints for SO-8 or SuperSOT packages. Check for lead-free compliance if required by local regulations. Validate sourcing channels for genuine Fairchild Semiconductor products.

FET, MOSFET Arrays Selection Notes

Select this component for dual-channel low-side switching where space is limited. Consider the -20 V rating for appropriate voltage headroom. Evaluate thermal performance based on actual board copper area. Compare gate charge requirements against driver capabilities. Verify operating temperature range meets system environmental constraints.

FET, MOSFET Arrays Part Context

This part belongs to the PowerTrench family of power MOSFETs. It utilizes proprietary high cell density DMOS technology. The dual configuration allows for efficient bridge or half-bridge implementations. It is designed for applications prioritizing low RDS(ON) and fast switching speeds.

FET, MOSFET Arrays Replacement Considerations

Check for equivalent dual P-Channel MOSFETs with similar -20 V ratings. Verify pinout compatibility for SO-8 packages. Ensure on-resistance and thermal characteristics meet or exceed original specifications. Confirm package dimensions match existing board layouts.