Description
The Fujitsu 9707398243 Power Filter PCB AR HFI is a genuine OEM electronic component designed to filter electrical noise and stabilize incoming power within Fujitsu HVAC systems. Installed as part of the unit’s internal control architecture, this power filter board helps suppress high-frequency interference (HFI), ensuring reliable communication and consistent operation of sensitive control electronics. Commonly used in select Fujitsu indoor units, this PCB plays a key role in protecting system components from voltage irregularities and electromagnetic interference. Manufactured to Fujitsu’s original specifications, it provides proper fitment and dependable performance when replacing a faulty or degraded power filter board.
Key Features
- Designed for high-frequency interference (HFI) suppression
- Helps stabilize incoming electrical power
- Protects sensitive control board components
- Supports reliable system communication and operation
- Factory-matched “AR” series configuration






