Description
The Delta THB1748BG is an industrial-grade, high-velocity DC axial cooling fan designed for extreme thermal management in high-density server architectures and heavy-duty inverter systems. Built with Original Engineering standards, this 17251 form factor fan delivers exceptional volumetric airflow and static pressure, ensuring optimal operating temperatures for mission-critical electronic components.
Technical Specifications
Manufacturer: Delta Electronics
Model Number: THB1748BG
Nominal Voltage: 48V DC
Operating Voltage Range: 36.0V to 60.0V DC
Input Current: 5.80A
Power Consumption: 278.4W
Dimensions: Ø 172mm x 51mm
Frame Design: Full Round
Bearing Type: High-Precision Dual Ball Bearing
Termination: 4-Wire (Power, Ground, PWM Control, Tachometer Sensor)
Operating Temperature: -10°C to +70°C
Lifecycle: 70,000 hours at 40°C
Housing Material: Die-cast Aluminum / UL94V-0 Plastic Polymer
Application & Integration
This high-end server fan is engineered for environments requiring rapid heat dissipation, such as telecom cabinets, industrial frequency inverters, and enterprise data centers. Its 4-wire PWM interface allows for precise dynamic speed regulation, reducing acoustic output during low-load operations while maintaining peak cooling capacity during thermal spikes. The Technical Compatibility of the THB1748BG extends to custom industrial DIY projects requiring violent airflow and robust continuous operation under high thermal stress.
Procurement & Lifecycle Value
Sourcing authentic Delta cooling solutions ensures maximum system uptime and prevents catastrophic thermal failures in high-value equipment. We maintain an optimized Lead Time for this component, supporting both immediate maintenance requirements and long-term production schedules.









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