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| Fan Type | DC Fan |
| Series | KD Series |
| Voltage | 5 VDC |
| Frame Size | 40 mm |
| Frame Thickness | 20 mm |
| Frame Material | PBT Plastic |
| Bearing Type | Ball |
| Speed | Low |
| Function | RoHS compliance |
| Size | 40 mm x 20 mm x 40 mm |
| Power Current | - |
| Power Consumption (WATTS) | 500 mW |
| Speed | 5300 RPM |
| Air Flow | 5.7 CFM (0.16 m3/min) |
| Static Pressure | - |
| Noise | 25.5dB(A) |
| Termination | Wire Leads |
| IP Rating | - |
| Approval Agency | - |
| Operating Temperature | - |
| Weight | - |
A: Through our network of partner factories and flexible manufacturing technologies, we support customized production runs for specific structural or wear components. Technical drawings (CAD/STEP files) must be submitted for engineering review and custom prototyping quotes.
A: We protect your data using enterprise-grade SSL encryption and secure cloud architectures. Any technical blueprints, system designs, or proprietary engineering files uploaded to our servers for customization or compatibility analysis are treated under strict confidentiality protocols and non-disclosure standards.
A: No. Unlike surplus liquidation brokers who sell unpredictable, unvetted excess inventory, OKmarts builds strategic partnerships directly with active factory supply chains and authorized distribution channels. This ensures that every component is fully traceable, factory-fresh, and covered by standard manufacturer liability frameworks.
High Efficiency
Stable Performance
Long Service Life
A: We do our best to ensure the accuracy of product images. However, due to variations in display devices and lighting conditions, there may be slight differences in actual colors. We provide detailed color descriptions to assist you in making better choices.
A: Applying for an extended warranty is simple. During the purchasing process, you can choose to extend the warranty period for eligible products. Just select the desired warranty period, and it will be added to your purchase.
A: Generally, we do not set purchase quantity limits. You can freely choose the quantity based on your needs. However, for specific events or popular items, there may be purchase quantity restrictions for fairness. Please pay attention to the event rules or prompts on the product page.
Jan 30, 2026
Nov 18, 2025
