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09/05/2026
[11:28, 09/05/2026] Namokar Enterprises & Automation (Encoder, sensor, smps, relay, vfd and all): The DOREEN DR 12025L 12H is a high-speed, industrial-grade 120mm brushless DC cooling fan designed for heavy-duty thermal management.
# # 📊 Technical Datasheet Specifications
* Model Number: DR 12025L 12H 🏷️
* Dimensions: 120 x 120 x 25 mm (Standard 12025 frame) 📏
* Operating Voltage: 12V DC (Standard 12V range) ⚡
* Rotational Speed: ~1,600 to 2,200 RPM (High-speed "H" series) 🔄
* Airflow Capacity: ~66.7 to 130 CFM (Depending on final RPM) 🌬️
* Bearing Type: Long-life Sleeve or Ball Bearing ("L" often denotes low-friction/long-life) 🏗️
* Noise Level: ~28 to 33 dBA (Optimized for quiet industrial operation) 🔇
* Connector: Standard 2-Pin (Red +, Black -) or optional 3-pin configuration 🔌
* Power Consumption: ~3.0 Watts / 0.25A current draw 🔋
# # 🌟 Key Features
* Industrial Durability: Built to withstand continuous 24/7 operations in server rooms or industrial panels.
* Optimal Airflow: Engineered with high-pitch blades for maximum static pressure and heat dissipation.
[11:28, 09/05/2026] Namokar Enterprises & Automation (Encoder, sensor, smps, relay, vfd and all): # # 🚀 Why Choose This Model?
1. Fast Heat Dissipation: Keeps sensitive electronic components at optimal temperatures.
2. Wide Compatibility: Standard 120mm size fits most cabinet and chassis mounts.
3. Low Maintenance: Brushless motor design ensures a long operational lifespan with minimal friction.
🛠️ Advanced Technical Specifications(Tamagawa TS2620N21E11)
Electrical Characteristics
* Transformation Ratio: 0.5 ± 5% ⚡
* Input Impedance (Zro): 115 + j140 Ω (Typ.)
* Output Impedance (Zss): 180 + j270 Ω (Typ.)
* Phase Shift: 8° (Typ.) 📐
* Residual Voltage: 20mV (Max.)
* Dielectric Strength: 500V AC for 1 minute
Mechanical & Structural Data
* Rotor Inertia: 2.5 × 10⁻⁶ kg·m² 🌀
* Friction Torque: 0.0001 N·m (Max.)
* Mass: Approx. 0.12 kg ⚖️
* Mounting Type: Built-in (Rotor and Stator separated)
* Lead Wire: AWG26, UL3265 (standard configuration) 🧵
Environmental Resistance
* Humidity: 90% RH or more at 60°C 💧
* Shock Resistance: 981 m/s² (100G) for 6ms 🔨
* Vibration Resistance: 196 m/s² (20G) at 10Hz to 500Hz
* Protection Class: Built-in type (depends on housing integration) 🛡️
📋 Optimized Product Points for Listings
* Non-Contact Design: Features a brushless construction to eliminate electrical noise and mechanical wear.
* High Thermal Stability: Maintains signal integrity from -55°C up to +155°C, making it ideal for aerospace and heavy automotive use.
* Wide Frequency Range: Optimized for 10 kHz excitation but remains functional across varied industrial carrier frequencies.
* Thin-Profile Engineering: Designed as a "pancake" style resolver for space-saving integration into servo motor housings.
* Signal Precision: Utilizing the 1X (Single speed) winding for absolute position sensing within one revolution.
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403/B, 3rd FLOOR, VEER SAVARKAR BLOCK, SHAKARPUR, East
Delhi
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