Description
KZ504C Custom PCBA Power Board – 48W-90W
The KZ504C is a custom AC-DC PCBA power supply bare board (open-frame power board) rated for a power range of 48W-90W. It is designed to be built inside wall chargers, power adapters and custom power units. As shown in the photo, the board uses a green PCB with a yellow switch-mode transformer, toroidal choke for EMI filtering, electrolytic capacitors and multiple output wire connectors.
Key Features
- Open-frame bare board design for built-in applications
- Output power range: 48W-90W
- Transformer-isolated AC-DC conversion
- EMI filtering and inrush protection components on board
- Metal mounting hardware for secure installation
- Output voltage and current customized per project
Typical Applications
- Wall plug power adapters and wall chargers
- Desktop power supplies
- Chargers and custom power units
- Built-in power for appliances and electronic equipment
Parameter Description
| Type | Custom AC-DC PCBA power board (bare board / open frame) |
|---|---|
| Model | KZ504C |
| Output Power Range | 48W-90W |
| Solder Mask Color | green PCB |
| Input | 100-240V AC universal input (finalized per project design) |
| Output | Customized voltage / current per project |
| Protection (designable) | OVP, OCP, OTP, short circuit |
| Place of Origin | Guangdong, China |
| OEM / ODM | Customized layout and specifications welcomed |
KZ is a power adapter factory with 30 years of OEM / ODM manufacturing experience. Browse the Charger & Custom Power Units range, or contact us for a custom PCBA quote.




