F251R-12L3C

COPAL ELECTRONICS F251R BRUSHLESS DC FANS ■ FEATURES RoHS compliant ● Low noise, 9 dB (A) type by the correct application of hydrodynamic design of impeller and frame ● Light weight (approx. 7 g) ■ STRUCTURE ● Frame and impeller ABS/PBT alloy ● Bearing A type : 2 ball bearings B type : 1 ball bearing and 1 sleeve bearing C type : 1 sleeve bearing ■ PART NUMBER DESIGNATION F251R - 12 M B Series name Bearing Power supply A : 2 ball bearings B : 1 ball bearing and 1 sleeve bearing C : 1 sleeve bearing 05 : DC5 V 12 : DC12 V Air flow L3 : 0.035 m3/min LL : 0.04 m3/min L : 0.05 m3/min M : 0.06 m3/min ■ LIST OF PART NUMBERS Power supply Part number Power supply F251R-05LA F251R-12MB F251R-05LB F251R-12LA F251R-05LLA DC5 V Part number F251R-05LLB F251R-12LB DC12 V F251R-12LLA F251R-05LLC F251R-12LLB F251R-05L3B F251R-12LLC F251R-12L3B ❈ : Verify the above part numbers when placing orders. ■ Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request. Oct, 2005 COPAL ELECTRONICS F251R BRUSHLESS DC FANS ■ STANDARD SPECIFICATIONS Item F251R-05LA -05LB F251R-05LLA -05LLB -05LLC F251R-05L3B -05L3C F251R-12MB F251R-12LA -12LB F251R-12LLA -12LLB -12LLC Rated voltage DC5 V DC12 V Voltage range 4.2 ~ 5.7 V 10.2 ~ 13.8 V F251R-12L3B -12L3C Rated current 0.06 A 0.05 A 0.04 A 0.05 A 0.04 A 0.03 A 0.02 A Rotating speed 8000 min-1 6500 min-1 5500 min-1 10000 min-1 8000 min-1 6500 min-1 5500 min-1 0.05 m3/min 0.04 m3/min 0.035 m3/min 0.06 m3/min 0.05 m3/min 0.04 m3/min 0.035 m3/min 30 Pa 20 Pa 14 Pa 47 Pa 30 Pa 20 Pa 14 Pa 15 dB (A) 11 dB (A) 9 dB (A) 20 dB (A) 15 dB (A) 11 dB (A) 9 dB (A) Air flow Static pressure Noise Approx. 7 g Net weight ❈ : Figures in the table are typical values under rated operating condition. ■ AIR FLOW PERFORMANCE CURVES 50 45 Static pressure (Pa) 40 35 30 F251R-XXL F251R-XXM 25 20 F251R-XXLL 15 10 5 F251R-XXL3 0 0.02 0.04 0.06 Air flow (m3/min) 10±0.5 Lead wire UL1061 AWG28 Black: 0 V Red:  Rated voltage 4 – φ 2.8 Dimension of mounting hole for recommendation .6 φ 23 4 – φ 2.8 4 – C2 20±0.5 25±0.5 20±0.5 Air flow (Unit: mm) 20±0.5 150±20 ■ OUTLINE DIMENSIONS 20±0.5 ■ Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request. Oct, 2005