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Pulse-Width Modulation - PWM

Pulse-Width Modulation - PWM

Pulse-Width Modulation - PWM

Delta Pulse Width Modulation PWM fans offer full lineup of speed control. PWM fans have advanced cooling solutions, deliver best performance and greater effciency. PWM regulates the voltage signal between fully on and fully off, controlling the speed of a fan. The PWM function is commonly used in OEM cases. Delta also provides standard PWM through distribution channels.

Delta's internal PWM signal control fans deliver a variety of advantages over external PWM controlled devices:

  • Wide PWM Frequency Range Input (30Hz- 30kHz)
  • Lower vibration at lower duty cycle
  • Prevent spike current on fan speed control
  • Better motor efficiency
  • Lower fan switching noise
Part number (Download spec sheets) Dimension (mm) Operating Voltage Range (VDC) Voltage (VDC) Current (A) Power (W) Speed (RPM) Noise (dB-A) Air Flow (CFM) Air Pressure (in H2O)
https://www.delta-fan.com/Download/Images/FFB03812VHN-9C3P.jpg https://www.delta-fan.com/Download/Images/FFB03812VHN-9C3P.jpg FFB03812VHN-9C3P N/A N/A 12 VDC 0.55A 6.60W 16000RPM 58.5dB(A) 20.23CFM (0.573 m3/min) 1.463inchH2O (37.15mmH2O)
FFB03612EHN-BGA N/A N/A 12 VDC 0.39A 4.68W 14500RPM 50.0dB(A) 16.30CFM (0.461 m3/min) 1.000inchH2O (25.40mmH2O)
EFC1748DG-TYSG 172x172x51 28.0~53.0 48 VDC 1.23A 59.04W 5500RPM 63.4dB(A) 415.66CFM (11.770 m3/min) 1.771inchH2O (44.99mmH2O)
EFB1548VHG-TP14 172x150x51 36.0~60.0 48 VDC 0.49A 23.52W 4000RPM 60.0dB(A) 302.29CFM (8.560 m3/min) 0.937inchH2O (23.80mmH2O)
https://www.delta-fan.com/Download/Images/BFB1012-A.png https://www.delta-fan.com/Download/Images/BFB1012-A.png BFB1012HH-TP48 N/A N/A 12 VDC 0.69A 8.28W 3200RPM 53.5dB(A) 28.33CFM (0.802 m3/min) 0.947inchH2O (24.05mmH2O)
https://www.delta-fan.com/Download/Images/automotive/BFB0712HHD77.jpg https://www.delta-fan.com/Download/Images/automotive/BFB0712HHD77.jpg BFB0712HHD77 76x76x25 9.0~16.0 12 VDC 0.53A 8.15W 5500RPM 50.0dB(A) 14.70CFM (0.41 m3/min) 1.41inchH2O (35.9mmH2O)
BFB0512HA-CX3D N/A N/A 12 VDC 0.12A 1.44W 5100RPM 32.5dB(A) 3.53CFM (0.100 m3/min) 0.563inchH2O (14.31mmH2O)
BCB0812UHN-TP09 N/A N/A 12 VDC 2.30A 27.60W 10800RPM 69.3dB(A) 30.16CFM (0.854 m3/min) 3.675inchH2O (93.35mmH2O)
AUB1212H-CK15 120x120x25 10.8~13.2 12 VDC 0.27A 3.24W 2200RPM 38.0dB(A) 88.60CFM (2.51 m3/min) 0.161inchH2O (04.08mmH2O)
https://www.delta-fan.com/Download/Images/AFC120x25.40mm.jpg https://www.delta-fan.com/Download/Images/AFC120x25.40mm.jpg AFC1212D-SP19 N/A N/A 12 VDC 0.32A 3.84W 3000RPM 46.0dB(A) 89.70CFM (2.540 m3/min) 0.338inchH2O (8.591mmH2O)
https://www.delta-fan.com/Download/Images/AFB1212_AFB120X38mm-C.jpg https://www.delta-fan.com/Download/Images/AFB1212_AFB120X38mm-C.jpg AFB1248VHE-TP18 N/A N/A 48 VDC 0.31A 14.88W 4100RPM 55.5dB(A) 190.48CFM (5.394 m3/min) 0.694inchH2O (17.635mmH2O)
https://www.delta-fan.com/Download/Images/AFB1248_AFB120X38mm-C.jpg https://www.delta-fan.com/Download/Images/AFB1248_AFB120X38mm-C.jpg AFB1248VHE-T9LN 120x120x38 34.0~56.0 48 VDC 0.31A 14.88W 4100RPM 55.5dB(A) 190.48CFM (5.394 m3/min) 0.694inchH2O (17.635mmH2O)
https://www.delta-fan.com/Download/Images/AFB1248_AFB120X38mm-C.jpg https://www.delta-fan.com/Download/Images/AFB1248_AFB120X38mm-C.jpg AFB1224GHEYNU N/A N/A 24 VDC 1.30A 31.20W 5200RPM 62.0dB(A) 240.96CFM (6.823 m3/min) 1.082inchH2O (27.483mmH2O)
https://www.delta-fan.com/Download/Images/AFB1212_AFB120X38mm-C.jpg https://www.delta-fan.com/Download/Images/AFB1212_AFB120X38mm-C.jpg AFB1212HHE-TP02 N/A N/A 12 VDC 0.40A 4.80W 2900RPM 44.0dB(A) 120.07CFM (3.400 m3/min) 0.354inchH2O (09.00mmH2O)
https://www.delta-fan.com/Download/Images/BFB0712HH-roundedRect75.7x75.7x25.jpg https://www.delta-fan.com/Download/Images/BFB0712HH-roundedRect75.7x75.7x25.jpg BFB0712HH-AWPH N/A 7.0-13.8 12 VDC 0.34A 4.08W 4400RPM 51.0dB(A) 15.32CFM (0.434 m3/min) 0.977inchH2O (24.816mmH2O)
https://www.delta-fan.com/Download/Images/Mini_Fans/KDB0305HA3-00C1J.jpg https://www.delta-fan.com/Download/Images/Mini_Fans/KDB0305HA3-00C1J.jpg KDB0305HA3-00 30x30x3.4 N/A 5 VDC 0.35A 1.75W 12500RPM 42.0dB(A) @ 0.5M 0.95CFM (0.027 m3/min) 0.946inchH2O (24.02mmH2O)
Part number (Download spec sheets) Dimension (mm) Operating Voltage Range (VDC) Voltage (VDC) Current (A) Power (W) Speed (RPM) Noise (dB-A) Air Flow (CFM) Air Pressure (in H2O)

Contact local distributors for standard PWM fan offerings.

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