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YDM1225X24
Ritscher
The Standard DC Axial Flow Fan Series represents a comprehensive lineup of reliable and efficient cooling solutions designed for broad electronic and industrial applications. These fans combine a brushless DC motor with an aerodynamically optimized axial impeller to generate high-volume airflow parallel to the fan's axis. Engineered for performance, longevity, and ease of integration, this series is the go-to choice for thermal management in systems requiring consistent and directed air movement.
Optimized Airflow Efficiency: Features aerodynamically designed blades and housings that maximize air volume (CFM) and pressure performance while minimizing power consumption and acoustic noise.
Long-Life Brushless DC Motor: Utilizes a reliable, maintenance-free brushless DC (BLDC) motor with sleeve or ball bearings, ensuring extended service life (typically 40,000 to 70,000+ hours MTBF) and quiet operation.
Wide Voltage Range & Speed Control: Compatible with standard DC voltages (e.g., 5V, 12V, 24V, 48V). Most models support PWM (Pulse Width Modulation) speed control via a 4th wire, allowing dynamic thermal management and noise reduction.
Robust & Protective Construction: Housings are typically made of rugged, UL94 V-0 rated plastic (PBT or PC). Integral wire guards and finger-safe grilles are available as standard or optional features for enhanced safety.
Easy Installation & Standardization: Designed with industry-standard mounting hole patterns and thicknesses (e.g., 25mm, 38mm), enabling drop-in replacement and straightforward integration into existing chassis and enclosures.
Smart Features (Available on Select Models): Includes tachometer output (TACH signal) for speed monitoring, locked-rotor alarm, automatic restart, and rotation detection for system diagnostics and control.
Environmental Durability: Available in various ingress protection levels (e.g., IP55, IP68) for dust and moisture resistance. Models with corrosion-resistant coatings are offered for harsh environments.
Fan Type: DC Brushless Axial Flow Fan.
Standard Sizes (Square Frame): 40x40mm, 60x60mm, 80x80mm, 92x92mm, 120x120mm, 140x140mm, etc.
Standard Thicknesses: 10mm, 15mm, 25mm, 38mm.
Operating Voltage: 5V DC, 12V DC, 24V DC, 48V DC (±10% tolerance common).
Speed & Control: Rated speed from 2,000 to 6,000 RPM. 3-wire (Volt+/Ground/TACH) or 4-wire (Volt+/Ground/TACH/PWM Control) interfaces standard.
Airflow Performance: Airflow ranges from 5 CFM (0.1 m³/min) for miniature fans to 250+ CFM (7 m³/min) for larger models.
Acoustic Noise: Optimized for low noise operation; sound pressure levels typically range from 20 dBA to 50 dBA.
Bearing Types: Sleeve bearing (cost-effective), rifle bearing (improved life), or dual ball bearing (maximum life and high-temperature tolerance).
Connector: Standard 2-pin, 3-pin, or 4-pin Molex-type connectors for easy cabling.
This versatile fan series is deployed across countless cooling scenarios:
Electronics & IT: Cooling for servers, telecom switches, routers, power supplies (PSUs), and industrial PCs.
Consumer Appliances: Gaming consoles, set-top boxes, projectors, audio amplifiers.
Industrial Equipment: Control cabinets, motor drives, laser equipment, medical devices, power inverters.
Automotive & Transportation: EV charging stations, on-board entertainment systems, LED lighting arrays.
For system designers and engineers, thermal management is a critical design parameter. This series offers a proven, standardized, and highly adaptable solution to meet that challenge. With its blend of reliable performance, straightforward integration, and scalable options (from basic cooling to smart, controllable systems), it provides an optimal balance of cost, performance, and quality. It is the fundamental building block for effective and dependable forced-air cooling in virtually any application.
Note: Performance data (CFM vs. Static Pressure) is critical for proper system design. Ensure the selected fan's P-Q curve meets the cooling requirements of the specific application, accounting for system impedance. Always verify voltage, connector type, and rotation direction before installation.
Standard DC AXial Flow Fan Series ( 20X20X6mm~200X51mm)
| Size (mm) | Air Flow ( CFM) | Size (mm) | Air Flow ( CFM) |
| 20X20X6 | 0.33~0.82 | 70X70X15 | 16.24~27.06 |
| 20X20X10 | 0.55~1.56 | 70X70X20 | 25.92~43.20 |
| 25X25X7 | 1.54~3.09 | 70X70X25 | 26.94~44.90 |
| 25X25X10 | 1.35~2.51 | 80X80X10 | 14.49~21.74 |
| 30X30X7 | 1.98~3.64 | 80X80X15 | 23.23~46.47 |
| 30X30X10 | 2.52~4.10 | 80X80X20 | 24.52~53.94 |
| 35X35X10 | 3.93~5.90 | 80X80X25 F | 22.51~67.54 |
| 40X40X7 | 3.13~4.38 | 80X80X25 G | 41.40~93.14 |
| 40X40X10 | 4.22~6.67 | 80X80X38 | 37.06~92.66 |
| 40X40X15 | 4.80~8.00 | 80X80X38 F | 34.48~114.28 |
| 40X40X20 | 4.38~13.76 | 92X92X25 F | 35.11~96.56 |
| 40X40X28 | 7.79~20.26 | 92X92X32 | 61.67~102.79 |
| 40X40X28 F | 13.63~26.50 | 92X92X38 | 57.65~105.69 |
| 40X40X28 G | 9.79~30.48 | 120X120X25 | 48.48~96.95 |
| 45X45X10 | 5.37~10.73 | 120X120X25 J | 38.68~121.14 |
| 50X50X10 | 6.45~11.82 | 120X120X25 G | 52.46~104.93 |
| 50X50X15 | 6.61~12.27 | 120X120X25 F | 63.95~201.44 |
| 50X50X20 | 8.09~16.18 | 120X120X32 | 67.16~93.52 |
| 60X60X10 | 10.28~17.13 | 120X120X38 | 100.71~146.90 |
| 60X60X15 | 11.01~28.62 | 120X120X38 J | 118.16~180.36 |
| 60X60X20 | 11.43~19.05 | 120X120X38 F | 115.11~263.10 |
| 60X60X25 | 16.76~43.10 | 140X140X25 | 60.34~86.20 |
| 60X60X28 | 16.23~24.35 | 172X150X51 F | 171.73~274.76 |
| 60X60X38 | 36.73~50.15 | 200X51 | 392.22~728.400 |
| 70X70X10 | 14.56~24.27 |
Standard DC Blower Fan Series (35X35X7 ~ Φ130X69)
| Size (mm) | Air Flow ( CFM) | Size (mm) | Air Flow ( CFM) |
| 20X20X6 | 0.15~0.37 | 60X60X25 | 5.55~9.25 |
| 25X25X7 | 0.25~0.50 | 60X60X28 | 3.98~6.64 |
| 35X35X7 | 0.68~0.98 | Φ70X20 | 7.73~15.47 |
| 40X40X10 | 1.17~2.01 | 75X75X15 | 6.32~10.54 |
| 52X40X10 | 2.03~2.79 | 75X75X25 | 7.37~13.26 |
| 40X40X20 | 1.33~2.66 | 75X75X30 | 6.94~20.83 |
| 50X50X15 | 2.22~4.75 | 93X93X30 | 11.62~22.25 |
| 50X50X20 | 4.09~6.14 | 97X97X33 | 15.8~22.40 |
| 50X50X20 J | 4.62~6.92 | Φ 100X25 | 32.24~50.09 |
| 55X55X12 | 2.35~3.92 | 120X120X32 | 18.45~27.68 |
| 60X60X15 | 2.79~3.59 | Φ130X69 | 49.67~99.34 |
Standard AC AXial Flow Fan Series ( 60X60X38mm~200X200X60mm)
| Size (mm) | Air Flow ( CFM) | Size (mm) | Air Flow ( CFM) |
| 60X60X30 | 8.1~10.3 | 120X120X38 (7 blades) | 64~119 |
| 80X80X25 | 15~22 | 150X150X50 | 105~235 |
| 80X80X38 | 18~31 | 158X158X50 | 225~250 |
| 92X92X25 | 21~37 | 172X150X51 (5 blades) | 105~235 |
| 92X92X38 | 24~50 | 172X150X51 (7 blades) | 105~235 |
| 120X120X25 | 50~78 | 172X150X51 (C) | 130~251 |
| 120X120X38 (5 blades) | 60~113 | 200X200X60 | 370~420 |
Standard EC AXial Flow Fan Series ( 60X60X28mm~172X150X51mm)
| Size (mm) | Air Flow ( CFM) | Size (mm) | Air Flow ( CFM) |
| 60X60X28 | 8.12~16.24 | 92X92X38 | 48.04~67.26 |
| 60X60X38 | 9.92~19.83 | 120X120X38 | 97.59~136.62 |
| 80X80X38 | 30.89~49.92 | 172X150X51 | 135.52~202.80 |

The Standard DC Axial Flow Fan Series represents a comprehensive lineup of reliable and efficient cooling solutions designed for broad electronic and industrial applications. These fans combine a brushless DC motor with an aerodynamically optimized axial impeller to generate high-volume airflow parallel to the fan's axis. Engineered for performance, longevity, and ease of integration, this series is the go-to choice for thermal management in systems requiring consistent and directed air movement.
Optimized Airflow Efficiency: Features aerodynamically designed blades and housings that maximize air volume (CFM) and pressure performance while minimizing power consumption and acoustic noise.
Long-Life Brushless DC Motor: Utilizes a reliable, maintenance-free brushless DC (BLDC) motor with sleeve or ball bearings, ensuring extended service life (typically 40,000 to 70,000+ hours MTBF) and quiet operation.
Wide Voltage Range & Speed Control: Compatible with standard DC voltages (e.g., 5V, 12V, 24V, 48V). Most models support PWM (Pulse Width Modulation) speed control via a 4th wire, allowing dynamic thermal management and noise reduction.
Robust & Protective Construction: Housings are typically made of rugged, UL94 V-0 rated plastic (PBT or PC). Integral wire guards and finger-safe grilles are available as standard or optional features for enhanced safety.
Easy Installation & Standardization: Designed with industry-standard mounting hole patterns and thicknesses (e.g., 25mm, 38mm), enabling drop-in replacement and straightforward integration into existing chassis and enclosures.
Smart Features (Available on Select Models): Includes tachometer output (TACH signal) for speed monitoring, locked-rotor alarm, automatic restart, and rotation detection for system diagnostics and control.
Environmental Durability: Available in various ingress protection levels (e.g., IP55, IP68) for dust and moisture resistance. Models with corrosion-resistant coatings are offered for harsh environments.
Fan Type: DC Brushless Axial Flow Fan.
Standard Sizes (Square Frame): 40x40mm, 60x60mm, 80x80mm, 92x92mm, 120x120mm, 140x140mm, etc.
Standard Thicknesses: 10mm, 15mm, 25mm, 38mm.
Operating Voltage: 5V DC, 12V DC, 24V DC, 48V DC (±10% tolerance common).
Speed & Control: Rated speed from 2,000 to 6,000 RPM. 3-wire (Volt+/Ground/TACH) or 4-wire (Volt+/Ground/TACH/PWM Control) interfaces standard.
Airflow Performance: Airflow ranges from 5 CFM (0.1 m³/min) for miniature fans to 250+ CFM (7 m³/min) for larger models.
Acoustic Noise: Optimized for low noise operation; sound pressure levels typically range from 20 dBA to 50 dBA.
Bearing Types: Sleeve bearing (cost-effective), rifle bearing (improved life), or dual ball bearing (maximum life and high-temperature tolerance).
Connector: Standard 2-pin, 3-pin, or 4-pin Molex-type connectors for easy cabling.
This versatile fan series is deployed across countless cooling scenarios:
Electronics & IT: Cooling for servers, telecom switches, routers, power supplies (PSUs), and industrial PCs.
Consumer Appliances: Gaming consoles, set-top boxes, projectors, audio amplifiers.
Industrial Equipment: Control cabinets, motor drives, laser equipment, medical devices, power inverters.
Automotive & Transportation: EV charging stations, on-board entertainment systems, LED lighting arrays.
For system designers and engineers, thermal management is a critical design parameter. This series offers a proven, standardized, and highly adaptable solution to meet that challenge. With its blend of reliable performance, straightforward integration, and scalable options (from basic cooling to smart, controllable systems), it provides an optimal balance of cost, performance, and quality. It is the fundamental building block for effective and dependable forced-air cooling in virtually any application.
Note: Performance data (CFM vs. Static Pressure) is critical for proper system design. Ensure the selected fan's P-Q curve meets the cooling requirements of the specific application, accounting for system impedance. Always verify voltage, connector type, and rotation direction before installation.
Standard DC AXial Flow Fan Series ( 20X20X6mm~200X51mm)
| Size (mm) | Air Flow ( CFM) | Size (mm) | Air Flow ( CFM) |
| 20X20X6 | 0.33~0.82 | 70X70X15 | 16.24~27.06 |
| 20X20X10 | 0.55~1.56 | 70X70X20 | 25.92~43.20 |
| 25X25X7 | 1.54~3.09 | 70X70X25 | 26.94~44.90 |
| 25X25X10 | 1.35~2.51 | 80X80X10 | 14.49~21.74 |
| 30X30X7 | 1.98~3.64 | 80X80X15 | 23.23~46.47 |
| 30X30X10 | 2.52~4.10 | 80X80X20 | 24.52~53.94 |
| 35X35X10 | 3.93~5.90 | 80X80X25 F | 22.51~67.54 |
| 40X40X7 | 3.13~4.38 | 80X80X25 G | 41.40~93.14 |
| 40X40X10 | 4.22~6.67 | 80X80X38 | 37.06~92.66 |
| 40X40X15 | 4.80~8.00 | 80X80X38 F | 34.48~114.28 |
| 40X40X20 | 4.38~13.76 | 92X92X25 F | 35.11~96.56 |
| 40X40X28 | 7.79~20.26 | 92X92X32 | 61.67~102.79 |
| 40X40X28 F | 13.63~26.50 | 92X92X38 | 57.65~105.69 |
| 40X40X28 G | 9.79~30.48 | 120X120X25 | 48.48~96.95 |
| 45X45X10 | 5.37~10.73 | 120X120X25 J | 38.68~121.14 |
| 50X50X10 | 6.45~11.82 | 120X120X25 G | 52.46~104.93 |
| 50X50X15 | 6.61~12.27 | 120X120X25 F | 63.95~201.44 |
| 50X50X20 | 8.09~16.18 | 120X120X32 | 67.16~93.52 |
| 60X60X10 | 10.28~17.13 | 120X120X38 | 100.71~146.90 |
| 60X60X15 | 11.01~28.62 | 120X120X38 J | 118.16~180.36 |
| 60X60X20 | 11.43~19.05 | 120X120X38 F | 115.11~263.10 |
| 60X60X25 | 16.76~43.10 | 140X140X25 | 60.34~86.20 |
| 60X60X28 | 16.23~24.35 | 172X150X51 F | 171.73~274.76 |
| 60X60X38 | 36.73~50.15 | 200X51 | 392.22~728.400 |
| 70X70X10 | 14.56~24.27 |
Standard DC Blower Fan Series (35X35X7 ~ Φ130X69)
| Size (mm) | Air Flow ( CFM) | Size (mm) | Air Flow ( CFM) |
| 20X20X6 | 0.15~0.37 | 60X60X25 | 5.55~9.25 |
| 25X25X7 | 0.25~0.50 | 60X60X28 | 3.98~6.64 |
| 35X35X7 | 0.68~0.98 | Φ70X20 | 7.73~15.47 |
| 40X40X10 | 1.17~2.01 | 75X75X15 | 6.32~10.54 |
| 52X40X10 | 2.03~2.79 | 75X75X25 | 7.37~13.26 |
| 40X40X20 | 1.33~2.66 | 75X75X30 | 6.94~20.83 |
| 50X50X15 | 2.22~4.75 | 93X93X30 | 11.62~22.25 |
| 50X50X20 | 4.09~6.14 | 97X97X33 | 15.8~22.40 |
| 50X50X20 J | 4.62~6.92 | Φ 100X25 | 32.24~50.09 |
| 55X55X12 | 2.35~3.92 | 120X120X32 | 18.45~27.68 |
| 60X60X15 | 2.79~3.59 | Φ130X69 | 49.67~99.34 |
Standard AC AXial Flow Fan Series ( 60X60X38mm~200X200X60mm)
| Size (mm) | Air Flow ( CFM) | Size (mm) | Air Flow ( CFM) |
| 60X60X30 | 8.1~10.3 | 120X120X38 (7 blades) | 64~119 |
| 80X80X25 | 15~22 | 150X150X50 | 105~235 |
| 80X80X38 | 18~31 | 158X158X50 | 225~250 |
| 92X92X25 | 21~37 | 172X150X51 (5 blades) | 105~235 |
| 92X92X38 | 24~50 | 172X150X51 (7 blades) | 105~235 |
| 120X120X25 | 50~78 | 172X150X51 (C) | 130~251 |
| 120X120X38 (5 blades) | 60~113 | 200X200X60 | 370~420 |
Standard EC AXial Flow Fan Series ( 60X60X28mm~172X150X51mm)
| Size (mm) | Air Flow ( CFM) | Size (mm) | Air Flow ( CFM) |
| 60X60X28 | 8.12~16.24 | 92X92X38 | 48.04~67.26 |
| 60X60X38 | 9.92~19.83 | 120X120X38 | 97.59~136.62 |
| 80X80X38 | 30.89~49.92 | 172X150X51 | 135.52~202.80 |

