5 VDC Brushless Blower
Delta Electronics BFB0505HHA-C is a 5 VDC brushless centrifugal cooling blower. The manufacturer catalog specifies 0.26 A input current, 1.30 W input power and an operating voltage range of 3.0–5.5 VDC.
DELTA
Delta Electronics BFB0505HHA-C DC Centrifugal Blower Fan 5VDC 50x50x10.3mm
$12.23
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DELTA
Delta Electronics BFB0505HHA-C DC Centrifugal Blower Fan 5VDC 50x50x10.3mm
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$12.23
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PRODUCT DOCUMENTATION
Product Information
Technical specifications, features, applications and purchasing information.
Technical Specifications
| Brand | Delta Electronics |
| Model Number | BFB0505HHA-C |
| Product Category | DC Centrifugal Blower Fan |
| Product Series | BFB 50 x 50 x 10 mm Series |
| Fan Type | DC Brushless Centrifugal Blower |
| Airflow Configuration | Side-Discharge Centrifugal Blower |
| Frame Dimensions | 50 x 50 x 10.3 mm |
| Nominal Frame Size | 50 x 50 x 10 mm |
| Rated Voltage | 5 VDC |
| Operating Voltage Range | 3.0–5.5 VDC |
| Rated Input Current | 0.26 A |
| Rated Input Power | 1.30 W |
| Rated Speed | 5900 RPM |
| Maximum Free-Air Flow | 3.98 CFM (0.113 m³/min; Delta manufacturer catalog) |
| Distributor Airflow Rounding | 4.0 CFM (0.112 m³/min; DigiKey listing) |
| Maximum Static Pressure | 0.790 inH₂O (20.09 mmH₂O; approximately 196.8 Pa) |
| Acoustical Noise | 37.5 dB(A) |
| Bearing System | Ball Bearings |
| Frame Material | Plastic, UL 94 V-0 (manufacturer series catalog) |
| Impeller Material | Plastic, UL 94 V-0 (manufacturer series catalog) |
| Electrical Termination | 2 Wire Leads |
| Lead Wire Specification | UL1571 AWG28 or equivalent (manufacturer series drawing) |
| Power Lead Polarity | Red: Positive (+); Black: Negative (-) |
| Reference Lead Wire Length | 150 ±10 mm (manufacturer series dimension drawing) |
| Reference Mounting Holes | 3 mounting holes, nominal Ø2.8 mm (manufacturer series drawing) |
| Reference Weight | 22.5 g (manufacturer catalog); approximately 22.68 g in DigiKey listing |
Key Features
50 x 50 x 10.3 mm Housing
The blower features a 50 mm square housing with 10.3 mm nominal thickness. Its low-profile centrifugal construction supports directed airflow through compatible electronic equipment cooling passages.
5900 RPM Rated Speed
The manufacturer series table specifies 5900 RPM at rated voltage. This operating speed is also confirmed by DigiKey and Mouser listings for the complete BFB0505HHA-C model.
3.98 CFM Maximum Airflow
Delta specifies 3.98 CFM maximum free-air flow and 0.790 inH₂O maximum static pressure. These are separate operating points on the pressure-airflow curve and should not be interpreted as simultaneous performance.
Ball Bearing Construction
The blower uses ball bearings with UL 94 V-0 plastic frame and impeller materials. Its published noise rating is 37.5 dB(A), and the manufacturer lists a reference weight of approximately 22.5 g.
Two-Wire Base Connection
The BFB0505HHA-C has red positive and black negative DC power leads. Separately designated -F00 and -R00 versions offer monitoring outputs; the unsuffixed -C model should not be assumed to provide these additional signals.
Applications
- Compact industrial electronic enclosure cooling
- Embedded computing equipment ventilation
- Small electronic power supply cooling
- Telecommunications module thermal management
- Compact network device forced-air ventilation
- Electronic instrumentation cooling passages
- Equipment requiring a low-profile side-discharge blower
- Maintenance of compatible 5 VDC BFB0505HHA-C cooling assemblies
Purchase Information
We support inquiries and purchase requests for the Delta Electronics BFB0505HHA-C DC Centrifugal Blower Fan. This model is listed as obsolete by a major electronics distributor, so please contact our team to confirm product identification and discuss your purchasing requirements. For bulk purchases and inquiries about other products, provide the complete model number and required quantity. Our team can discuss quotations, delivery arrangements and transportation methods without implying current availability.
Frequently Asked Questions
What is Delta Electronics BFB0505HHA-C?
BFB0505HHA-C is a Delta Electronics 5 VDC brushless centrifugal blower with a 50 x 50 x 10.3 mm housing, ball bearings and a two-wire electrical connection.
Is BFB0505HHA-C an axial fan or a centrifugal blower?
It is a centrifugal blower with a side-facing air outlet. It should not be substituted for a conventional axial fan without checking housing dimensions, mounting points and airflow direction.
What is the rated voltage?
The manufacturer specifies 5 VDC rated voltage and a 3.0–5.5 VDC operating voltage range for BFB0505HHA-C.
What are the dimensions of BFB0505HHA-C?
The housing measures 50 x 50 x 10.3 mm. Delta's series drawing also identifies three nominal 2.8 mm mounting holes. Verify the actual mounting positions and outlet clearance before installation.
What is the rated input current?
Delta's BFB series catalog and DigiKey list 0.26 A for the complete model. Some aftermarket sellers describe a 0.40 A version, but that value is not the manufacturer-catalog rating for BFB0505HHA-C.
What is the input power?
The manufacturer specifies 1.30 W rated input power at 5 VDC. This is consistent with the published 0.26 A input current.
What is the rotational speed?
The Delta manufacturer catalog, DigiKey and Mouser specify 5900 RPM for BFB0505HHA-C. Speed may vary with supply voltage, operating conditions and production tolerances.
What is the maximum airflow?
Delta lists 3.98 CFM (0.113 m³/min) maximum free-air flow. DigiKey rounds the airflow to 4.0 CFM. Actual installed airflow depends on the equipment's airflow resistance.
What is the maximum static pressure?
The maximum static pressure is 0.790 inH₂O (20.09 mmH₂O), approximately 196.8 Pa. Maximum pressure occurs at zero airflow rather than simultaneously with maximum free-air flow.
What is the noise rating and bearing type?
The manufacturer lists 37.5 dB(A) acoustical noise and a ball bearing system. Actual noise levels can vary with the installed equipment and ventilation conditions.
Does BFB0505HHA-C have a tachometer output or PWM control?
The standard BFB0505HHA-C uses two DC power leads and does not have a separately listed tachometer or PWM connection. Delta's series catalog identifies optional -F00 frequency-generator and -R00 locked-rotor signal versions, which must be ordered and connected as distinct configurations.
What should be checked before ordering Delta BFB0505HHA-C?
Confirm the complete BFB0505HHA-C marking and any additional suffix, 5 VDC supply, 0.26 A rated current, 50 x 50 x 10.3 mm housing, centrifugal outlet direction, mounting-hole locations, 5900 RPM reference speed, 3.98 CFM airflow requirement, two-wire connection and product lifecycle status. Any replacement should be checked for electrical and mechanical compatibility.
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