Product News

SANYO DENKI Launches 40 × 40 × 20 mm and 40 × 40 × 28 mm DC Fans with the Lowest Noise in the Industry

April 13, 2026

SANYO DENKI CO., LTD. has developed and launched the 40 × 40 × 20 mm and 40 × 40 × 28 mm San Ace 40 9RA type DC Fans that features the lowest noise in the industry.(1)
This fan delivers efficient, low-noise cooling for high-density equipment, including power supply units, inverters, and medical equipment.

40 × 40 × 20 mm San Ace 40 9RA Type

40 × 40 × 20 mm
San Ace 40 9RA Type

40 × 40 × 28 mm San Ace 40 9RA Type

40 × 40 × 28 mm
San Ace 40 9RA Type

Features

1. Low Noise

Compared to our current model,(2) noise level has been reduced by 7 dB(A).(3)

2. Low Power Consumption

Power consumption has been reduced by about 56%(5) compared to the current model.(4)

3. Contribution to SDGs

Made with lead-free brass, this fan complies with the RoHS Directive.(6) It is also certified as an Eco Product(7) for its use of environmentally friendly resources and technologies.

(1) Based on our own research as of April 13, 2026, conducted among equally sized axial DC fans on the market.

(2) Current model: 40 × 40 × 20 mm San Ace 40 9P type DC Fan

(3) For 40 × 40 × 20 mm San Ace 40 9RA type DC Fan

(4) Current model: 40 × 40 × 20 mm San Ace 40 9P type DC Fan (model: 109P0412F601)

(5) Current model: 40 × 40 × 20 mm San Ace 40 9RA type DC Fan (model: 9RA0412F6001)

(6) The RoHS (Restriction of Hazardous Substances) Directive restricts the use of certain hazardous substances in electrical and electronic equipment distributed within the European Union.

(7) Eco Products are eco-friendly products designed to reduce the environmental impact of the product and its packaging materials compared to our existing products or equivalent marketed products if not offered by us. Our products are assessed over the product's life cycle against our own eco-design requirements including product size, weight, power consumption, and CO2 emissions, and those meeting our standards and higher standards qualify as Eco Products and Eco Products Plus, respectively.

Specifications

Dimensions: 40 × 40 × 20 mm, Mass: 36 g

Model no. Rated
voltage		 Operating
voltage
range		 Rated
input		 Rated speed Max. airflow Max. static
pressure		 Sound
pressure
level
[V] [V] [W] [min-1] [m3/min] [CFM] [Pa] [inchH2O] [dB(A)]
9RA0405H6001 5 4.5 to 5.5 0.70 7800 0.22 7.7 78.0 0.312 26
9RA0405F6001 0.50 6500 0.18 6.3 54.0 0.216 21
9RA0405M6001 0.40 5000 0.13 4.5 32.0 0.128 17
9RA0412H6001 12 7 to 13.8 0.72 7800 0.22 7.7 78.0 0.312 26
9RA0412F6001 0.48 6500 0.18 6.3 54.0 0.216 21
9RA0412M6001 0.42 5000 0.13 4.5 32.0 0.128 17
9RA0424H6001 24 12 to 27.6 0.72 7800 0.22 7.7 78.0 0.312 26
9RA0424F6001 0.53 6500 0.18 6.3 54.0 0.216 21
9RA0424M6001 0.44 5000 0.13 4.5 32.0 0.128 17

Expected life: 60000 hours (L10 life: 90% survival rate for continuous operation in free air at 60ºC, rated voltage)

Dimensions: 40 × 40 × 28 mm, Mass: 40 g

Model no. Rated
voltage		 Operating
voltage
range		 Rated
input		 Rated speed Max. airflow Max. static
pressure		 Sound
pressure
level
[V] [V] [W] [min-1] [m3/min] [CFM] [Pa] [inchH2O] [dB(A)]
9RA0405H3001 5 4.5 to 5.5 1.10 9600 0.31 10.9 115 0.460 33
9RA0405F3001 0.70 7400 0.23 8.1 68.3 0.270 26
9RA0412H3001 12 7 to 13.8 1.20 9600 0.31 10.9 115 0.460 33
9RA0412F3001 0.72 7400 0.23 8.1 68.3 0.270 26
9RA0412M3001 0.42 4600 0.14 4.9 26.4 0.100 16
9RA0424H3001 24 12 to 27.6 1.20 9600 0.31 10.9 115 0.460 33
9RA0424F3001 0.72 7400 0.23 8.1 68.3 0.270 26

Expected life: 60000 hours (L10 life: 90% survival rate for continuous operation in free air at 60ºC, rated voltage)

PDF Catalog

San Ace 40 9RA Type 40 × 40 × 20 mm

English

Japanese

San Ace 40 9RA Type 40 × 40 × 28 mm

English

Japanese

Applications

Power supply units, inverters, medical equipment

Release Date

April 13, 2026

Projected Sales Figures

60,000 units/month

Price

Open

Safety Precautions

Safety Precautions

The information stated in this release is current as of April 13, 2026.
San Ace is a registered trademark of SANYO DENKI CO., LTD.