1. Introdução
This manual provides essential information for the safe and efficient use of your FSP 250-50GUB Flex ATX Power Supply. This power supply delivers a true 250 watts of continuous power and is designed for compact systems, such as mini-ITX applications. It features an 80 PLUS® Bronze certification for energy efficiency and includes comprehensive protection mechanisms to safeguard your system components.
2. Informações de segurança
Always observe the following safety precautions to prevent injury or damage to the power supply and connected components:
- Do not open the power supply unit. Alto voltages are present inside, even when disconnected from power.
- Certifique-se de que a fonte de alimentação esteja desconectada da tomada CA antes da instalação ou manutenção.
- Instale a fonte de alimentação em uma área bem ventilada para evitar superaquecimento.
- Use only the cables provided with the power supply or compatible replacements.
- Evite expor a fonte de alimentação à umidade ou a temperaturas extremas.
- This power supply complies with newer IEC 62368 Standards and includes OVP (Over Voltage Proteção), UVP (Sob Vol.tage Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), and OTP (Over Temperature Protection) for hardware safety.
3. Produto acabadoview
The FSP 250-50GUB is a Flex ATX power supply designed for reliability and efficiency in small form factor systems. Key features include:
- 250W True Power: Provides stable and continuous power output.
- Certificação 80 PLUS Bronze: Ensures high energy efficiency, meeting Energy Star Version 6.1 requirements.
- Ventilador silencioso: Equipped with a 4x4 cm double ball bearing fan for extended life and reduced noise levels.
- Full Range PFC Active: Active Power Factor Correction for stable power delivery.
- Proteção abrangente: Includes OVP, UVP, OCP, OPP, and SCP for system safety.

Figura 1: Frente view of the FSP 250-50GUB Flex ATX Power Supply, showing the power input and ventilation grille.

Figura 2: Traseira view of the FSP 250-50GUB Flex ATX Power Supply, illustrating the fan and cable bundle exit point.
4. Especificações
| Especificação | Valor |
|---|---|
| Dimensões do produto (C x L x A) | 5.91 x 3.15 x 1.57 polegadas (150 x 80 x 40 mm) |
| Peso do item | 1.61 libras |
| Fator de forma | Flex ATX |
| Potência de saídatage | 250 Watts |
| Certificação de Eficiência | 80 Plus Bronze (115V) |
| Método de resfriamento | Air (1 fan) |
| Tipo de conector | ATX |
| Dispositivos compatíveis | Computador pessoal |
| Recursos de proteção | OVP, UVP, OCP, OPP, SCP |

Figura 3: Detailed output table and physical dimensions of the FSP Flex ATX Power Supply.
5. Instalação e configuração
Follow these general steps for installing your Flex ATX power supply:
- Prepare seu sistema: Certifique-se de que o computador esteja desligado e desconectado da tomada. Abra o gabinete do computador.
- Remova a fonte de alimentação antiga (se aplicável): Disconnect all cables from the old power supply and remove its mounting screws. Carefully take out the old unit.
- Instalar nova fonte de alimentação: Insert the FSP 250-50GUB into the Flex ATX power supply bay of your chassis. Secure it with the appropriate screws. This unit is designed to fit into most Flex ATX chassis available.
- Cabos de conexão: Connect the power supply cables to your motherboard and other components. Refer to your motherboard and component manuals for specific connection points.
- Placa-mãe: Connect the 24-pin ATX connector and the 4-pin or 4+4-pin CPU connector.
- Periféricos: Connect SATA power connectors to storage drives and Molex connectors to other compatible devices.
- Graphics Cards: If your system requires it, connect the appropriate PCI-E power connectors.
- Cabos Seguros: Route and secure cables to ensure proper airflow and prevent interference with other components.
- Fechar caso: Once all connections are made and secured, close your computer case.
- Ligar: Plug the AC power cord into the power supply and then into a wall outlet. Turn on your computer.

Figura 4: Illustration of various connector types provided by the FSP Flex ATX Power Supply, including 24-pin ATX, 8-pin CPU, 4+4-pin CPU, PCI-E 2+6, SATA, Molex, and Floppy connectors.
1 vídeo: This video demonstrates general features and installation concepts for FSP Flex ATX power supplies, including 1U bracket installation, Flex ATX chassis compatibility, efficiency, safety protections, and cable types. While the video specifically references a 'FlexGURU PRO 500W' model, the principles shown are broadly applicable to the FSP 250-50GUB Flex ATX Power Supply.
6. Instruções de operação
The FSP 250-50GUB power supply operates automatically once correctly installed and connected. Ensure the power switch on the back of the unit (if present) is in the 'ON' position before powering on your computer. The power supply will deliver stable power to your components as needed.
7. Manutenção
A manutenção regular ajuda a garantir a longevidade e o desempenho ideal da sua fonte de alimentação:
- Remoção de poeira: Periodically clean dust from the power supply's fan and ventilation grilles using compressed air. Ensure the system is powered off and unplugged before cleaning.
- Gerenciamento de cabos: Ensure cables are neatly routed and do not obstruct airflow within the chassis.
- Condições ambientais: Operate the power supply within recommended temperature and humidity ranges.
8. Solução De Problemas
Se você encontrar problemas com sua fonte de alimentação, considere as seguintes etapas comuns de solução de problemas:
- Sem energia:
- Verifique se o cabo de alimentação CA está firmemente conectado à fonte de alimentação e à tomada da parede.
- Verify that the power switch on the power supply is in the 'ON' position.
- Teste a tomada com outro aparelho para garantir que ela esteja energizada.
- Instabilidade do sistema/Desligamentos aleatórios:
- Ensure all power connectors (24-pin ATX, CPU, PCI-E, SATA) are firmly seated.
- Check for proper ventilation and ensure the power supply fan is spinning. Overheating can cause instability.
- If possible, test the power supply with a different set of components or in another system to rule out other hardware issues.
- Ruído alto do ventilador:
- Clean any dust buildup from the fan and grilles.
- Ensure the power supply is not overloaded, which can cause the fan to spin faster.
If problems persist after attempting these steps, contact FSP customer support or a qualified technician.
9. Garantia e Suporte
FSP products are manufactured to high-quality standards. For warranty information and technical support, please refer to the official FSP webVisite o site ou entre em contato com o revendedor local. Guarde o comprovante de compra como prova para eventuais solicitações de garantia.





