| PartNumber | FFB1248SHE-R00 | FFB1248EH-F00 | FFB1248SHE |
| Description | DC Fans DC Axial Fan, 120x38mm, 48VDC, Locking Speed Sensor | DC Fans DC Axial Fan, 120x25.4mm, 48VDC, Tachometer | DC Fans DC Axial Fan, 120x38mm, 48VDC |
| Manufacturer | Delta Electronics | Delta Electronics | Delta Electronics |
| Product Category | DC Fans | DC Fans | DC Fans |
| RoHS | Y | Y | Y |
| Product | DC Brushless Fans | DC Brushless Fans | DC Brushless Fans |
| Type | Locking Speed Sensor | Tachometer Sensor | Axial |
| Frame Dimensions mm | 120 mm L x 38 mm W x 120 mm H | 120 mm L x 25 mm W x 120 mm H | 120 mm L x 38 mm W x 120 mm H |
| Operating Supply Voltage | 48 VDC | 48 VDC | 48 VDC |
| Airflow | 170.92 CFM | 150.33 CFM | 170.92 CFM |
| Speed | 3600 RPM | 4000 RPM | 3600 RPM |
| Pressure Type | 14 mmAq | 12 mmAq | 14 mmAq |
| Bearing Type | Ball | Ball | Ball |
| Noise | 56.5 dBA | 56.4 dBA | 56.5 dBA |
| Power Rating | 18.24 W | 15.36 W | 18.24 W |
| Housing Material | Plastic | Plastic | Plastic |
| Termination Style | Wire Leads | Wire Leads | Wire Leads |
| Series | FFB | FFB | FFB |
| Packaging | Bulk | Bulk | Bulk |
| Height | 120 mm | 120 mm | 120 mm |
| Length | 120 mm | 120 mm | 120 mm |
| Size | 120 mm | 120 mm | 120 mm |
| Width | 38 mm | 25 mm | 38 mm |
| Brand | Delta Electronics | Delta Electronics | Delta Electronics |
| Current Type | DC | DC | DC |
| Product Type | DC Fans | DC Fans | DC Fans |
| Factory Pack Quantity | 36 | 54 | 36 |
| Subcategory | Fans, Blowers & Accessories | Fans, Blowers & Accessories | Fans, Blowers & Accessories |
| Unit Weight | 13.051366 oz | 7.231162 oz | 13.051366 oz |