109L1448H509 Sanyo Denki 48V 0.29A 140mm DC Axial Fan

Description

The Sanyo Denki 109L1448H509 is an ultra-long-life Brushless DC Axial Fan from the San Ace 140L series, measuring 140 x 140 x 50 mm. Operating at a nominal voltage of 48 VDC, this specialized unit features a 5-blade high-pressure impeller design and a 3-wire termination for integrated status monitoring. Driven by a high-efficiency brushless motor, it draws 0.29 A with a power consumption of 13.92 W, delivering powerful airflow and high static pressure for demanding industrial cooling. The fan is equipped with a high-precision dual ball bearing system, ensuring a service life of 100,000 hours at 60 °C. With its robust die-cast aluminum housing and advanced signal output, the 109L1448H509 provides a mission-critical thermal management solution for high-density 48V DC power systems and telecommunications infrastructure.

109L1448H509 Fan Parameters
Manufacturer: Sanyo Denki
Model Number: 109L1448H509
Type: DC Axial Fan
Motor Design: Brushless DC Motor
Number of Blades: 5
Nominal Voltage: 48 VDC
Operating Voltage Range: 40.8 .. 55.2 VDC
Dimensions: 140 x 140 x 50 mm
Impeller Size: 131 mm
Weight: 650 g

[Electrical Data]
Rated Current: 0.29 A
Power Consumption: 13.92 W
Starting Voltage: 38 VDC
Termination: 3 Wire Leads (Red: +, Black: -, Yellow/White: Sensor)
Lead Wire: UL 1007, AWG 24

[Performance & Acoustics]
Air Flow: 285.0 m³/h (167.7 CFM)
Max. Static Pressure: 110.0 Pa (0.44 inAq)
Sound Pressure Level: 49 dB(A)
Sound Power Level: 6.1 B

[Materials & Construction]
Housing Material: Die-cast aluminum
Impeller Material: Thermoplastic PBT (UL94V-0)
Bearing Type: Dual Ball Bearing
Airflow Direction: Exhaust over struts
Direction of Rotation: Clockwise, viewed toward rotor
Mounting Hole Spacing: 124.5 mm

[Reliability & Protection]
Service Life L10: 100,000 h at 60 °C (expected 180,000 h at 40 °C)
Min. Ambient Temperature: -20 °C
Max. Ambient Temperature: 70 °C
Motor Protection: Locked Rotor Protection; Reverse Polarity Protection
Approval: UL, CSA, TUV

Application
The Sanyo Denki 109L1448H509 3-wire Brushless DC Fan is an ideal thermal management solution for high-availability infrastructures such as 5G telecommunications base stations, industrial server racks, and high-capacity solar inverters. Its 140 mm die-cast aluminum frame provides superior structural integrity and secondary heat dissipation, while the 5-blade high-speed design efficiently overcomes backpressure in dense electronic assemblies. The 3-wire termination allows for real-time tachometer or alarm signal monitoring, ensuring system safety in 24/7 mission-critical environments. With a 100,000-hour long-life rating and 0.29 A high-power performance, this 48V fan delivers durable, maintenance-free cooling for modern large-scale industrial electronics.