LDDC4007 Blower  It is a 40×40×7mm ultra-thin DC blower / axial fan, featuring a small size, high static pressure, and low noise, primarily designed for forced cooling of micro devices. The following explains its specifications, uses, design highlights, popular models from leading brands, and applications.

DC4007Blower Parameter Customization

Size:40*40*07mm;

Voltage:5V/12V;

Bearing:Sleeve Bearing;

Materials:PBT;

Speed:3500~5500RPM;

CFM:0.88~1.39CFM;

Noise:18~30db;

LDDC4007 accepts the following customizations ：

Fan Frame and Blade Material

Fan Label

Fan wiring harness, cable length, terminals

Speed/Airflow

LDDC4007Blower Design Parameters

Motor Protection: RP/SS/AS/CL

Signal Output:FG/RD/LD

Speed Contorl Method：PWM/TP/VC/RC/CS

LDDC4007Blower Design Application Product Types:

DC4007, due to its ultra-thin design and high static pressure, is widely used in scenarios with limited space and the need for directional strong cooling.

IT and Network Equipment: Servers, Switches, Routers, Network Video Recorders (NVR), Mini PCs, Set-top Boxes

Consumer Electronics: Laptop Cooling Modules, Graphics Cards / Motherboard South Bridges, Projectors, Portable Power Supplies, Handheld Game Consoles

Industrial and Medical: Industrial Control Motherboards, PLCs, Frequency Converters, Medical Analyzers, Portable Testing Equipment

Home Appliances and Smart Home Devices: Humidifiers, Air Purifiers, Induction Cookers, Smart Gateways, Security Cameras

Automotive Electronics: In-car Navigation, Dash Cam, Battery Management System (BMS) Cooling

III. Design Focus

Ultra-thin structure (7mm): Suitable for the ultra-thin design requirements of laptops, mini devices, and more.

High static pressure design: Optimized fan blades and flow channels ensure stable airflow even in narrow ducts / high resistance conditions.

Low Noise and Low Vibration: Precision dynamic balancing, optimized motor and fan blades, reducing wind noise and resonance.

High Efficiency and Energy Saving: DC Brushless + Optimized Magnetic Circuit, Low Power Consumption, Long Lifespan

Reliability: Wide temperature range, anti-interference, anti-stall / abnormal speed alarm, meets industrial / automotive-grade stability requirements

Installation compatibility: Standard 40mm hole position, supports PWM speed control, FG/RD signals, compatible with mainstream temperature control systems.