| PartNumber | 1604KL-01W-B39-B50 | 1604KL-01W-B40-B00 | 1604KL-01W-B30-B00 |
| Description | DC Fans DC Axial Fan, 40x10mm, 5VDC, 4.2CFM, Rib, Tachometer, 3-Wire | DC Fans DC Axial Fan, 40x10mm, 5VDC, 5.3CFM, Rib, 2-Wire | DC Fans DC Axial Fan, 40x10mm, 5VDC, 4.2CFM, Rib, 2-Wire |
| Manufacturer | NMB Technologies | NMB Technologies | NMB Technologies |
| Product Category | DC Fans | DC Fans | DC Fans |
| RoHS | Y | Y | Y |
| Product | DC Axial Fans | DC Axial Fans | DC Axial Fans |
| Type | Tachometer Sensor | Axial | Axial |
| Frame Dimensions mm | 40 mm L x 10 mm W x 40 mm H | 40 mm L x 40 mm W x 10 mm H | 40 mm L x 40 mm W x 10 mm H |
| Operating Supply Voltage | 5 VDC | 5 VDC | 5 VDC |
| Airflow | 4.2 CFM | 5.3 CFM | 4.2 CFM |
| Series | 1604KL | 1604KL | 1604KL |
| Height | 40 mm | 10 mm | 10 mm |
| Length | 40 mm | 40 mm | 40 mm |
| Width | 10 mm | 40 mm | 40 mm |
| Brand | NMB Technologies | NMB Technologies | NMB Technologies |
| Current Type | DC | DC | DC |
| Product Type | DC Fans | DC Fans | DC Fans |
| Factory Pack Quantity | 420 | 420 | 420 |
| Subcategory | Fans, Blowers & Accessories | Fans, Blowers & Accessories | Fans, Blowers & Accessories |
| Tradename | NMB-MAT | NMB-MAT | NMB-MAT |
| Part # Aliases | 04010KA-05L-AT-00 | 04010KA-05M-AA-00 | 04010KA-05L-AA-00 |
| Unit Weight | 0.529109 oz | 0.529109 oz | 0.529109 oz |
| Speed | - | 5500 RPM | 4500 RPM |
| Pressure Type | - | 0.136 in H2O | 0.096 in H2O |
| Bearing Type | - | Ball | Ball |
| Noise | - | 25 dBA | 22 dBA |
| Power Rating | - | 600 mW | 375 mW |
| Housing Material | - | Plastic | Plastic |
| Termination Style | - | Wire Leads | Wire Leads |
| Size | - | 40 mm | 40 mm |