Fan label photo
Delta EFB0405HD 40 × 40 × 20mm 5V DC Axial Fan
- Product SKU: CFS-U001702
- Category: 40x40x20mm Cooling Fans, DC Brushless Fans, Delta Cooling Fans
Confirm Fit Before Ordering
Use this quick check first, then review the full Product Specifications tab before placing an order.
Share the original fan label, connector photo, or target quantity so the team can check compatibility or quote bulk supply.
Reference model: EFB0405HD
Product Specifications
Review the technical data used for replacement matching, procurement comparison and engineering approval.
EFB0405HD identification and fit
The original rear label reads EFB0405HD and 5V/0.38A, with two red/black leads. Delta's actual approval sheet identifies EFB0405HD, revision 00, and distinguishes 0.25A input current from a 0.38A maximum. Its drawing gives a 40 × 40 × 20mm outline.
| Photographed model | EFB0405HD |
|---|---|
| Photographed label voltage | 5V DC |
| Photographed label current | 0.38A |
| Visible conductors | 2 wires; pinout requires confirmation |
Manufacturer reference
These are published document values, not measurements of store inventory. Match the complete model, mounting outline and actual connector to your application.
| Document model / scope | EFB0405HD; matching model reference |
|---|---|
| Document outline | 40 × 40 × 20mm |
| Catalogue input / rated current | 0.25A (maximum 0.38A) |
| Catalogue input power | 1.25W (maximum 1.9W) |
| Catalogue speed | 7600 RPM |
| Catalogue maximum airflow | 8.54 CFM |
| Catalogue sound level | 28.5 dBA |
| Catalogue static pressure | 0.303 inH2O |
| Document operating range | 4.5–5.5V DC |
| Document bearing type | Two Ball Bearings |
| Document operating temperature | -10 to +70°C |
Before ordering
Compare the mounting holes, frame depth and mating connector; confirm the full supplied label and electrical pinout before ordering. Wire count alone does not establish PWM, connector pin count or equipment compatibility.
Original listing photograph; Model reference document; send label and connector photographs; request a quantity quote.
Compatibility Verification Checklist
Before ordering, please confirm these critical points:
- 1Exact model number on the original fan label
- 2Frame size: length, width and thickness
- 3Rated voltage and current
- 4Connector type and wire sequence
- 5Wire count: 2-wire, 3-wire or 4-wire PWM
- 6Airflow direction and mounting hole position
- 7Cable length and application environment
Still unsure? Send us photos of your fan label, connector and equipment. We will help check compatibility before you order.
Datasheet / Drawing
Use official documents and dimensional references when available. If a document is missing, contact us before ordering for replacement matching support.
Bulk Order
For repair batches, OEM projects or distributor replenishment, send the model number, target quantity, connector requirements and delivery destination.
Shipping & Returns
Shipping options, lead time and return eligibility may vary by product, quantity and destination. Confirm compatibility before ordering replacement fans.
- For bulk orders, request freight planning and availability confirmation before payment.
- For replacement orders, compare model, size, voltage, current and connector before installation.
- Unused items should remain in original condition for return review according to store policy.
FAQ
Common checks for replacement cooling fan sourcing.
Can you help match an old fan?
Yes. Send photos of the fan label, connector and equipment so we can check model, voltage, frame size and wiring.
Can I use a different brand as a replacement?
Often yes, but only after confirming frame size, electrical rating, airflow requirement, bearing type, connector and wire sequence.
What information is needed for a bulk quote?
Send part number, quantity, target lead time, connector or cable requirements and shipping destination.
