Fan, DC Types, 40 x 40mm Features F1 High Speed Ball Bearings 26 AWG Red (+) and Black (−) Leads 11.8” (300mm) Lead Length 1.576 (40.0) 1.260 (32.0) 1.576 (40.0) 11.811 (300.0) 1.260 (32.0) Black (−) Red (+) a: 10mm b: 20mm .413 (10.5) .787 (20.0) .118 (3.0) .138 (3.5) Dia .059 (1.5) .236 (6.0) Dia .138 (3.5) Dia .236 (6.0) Dia DC OPERATED Rated Voltage Max. Input Current Max. Input Power (W) Speed 10% (RPM) Max Air Flow (CFM) Max Acoustical Noise Diag No. 77−4010D12 12 0.10A 1.24 7000 7.73 36dB(A) F1a 77−4010D24 24 0.10A 2.48 7000 7.73 36dB(A) F1a 77−4020D12 12 0.14A 1.66 7500 8.13 35dB(A) F1b 77−4020D24 24 0.08A 1.93 7500 8.13 35dB(A) F1b NTE Type No. ACCESSORIES FAN TYPE 40 X 40mm 40 X 40mm DESCRIPTION Fan Guard, Metal Fan Filter, 3−Piece w/Cover NTE TYPE NO. 77−MG40 77−FF40 .118 (3.0) Specifications Electrical Characteristics Insulation Resistance: 10M Min. (at 500VDC) between frame and positive terminal Dielectric Strength: 500VAC, 1 minute; 600VAC, 1 sec at 5mA Max. between frame and positive terminal Life Expectancy: Approx. 70000 hours at rated voltage, +40 C, 15% to 65% RH Mechanical Characteristics Frame: Thermoplastic, Black, UL94V−0 Impeller: Thermoplastic, Black, UL94V−0 Bearing: 2 Ball Bearings Weight: Approx. 16g (10mm); 29g (20mm) Environmental Characteristics Operating Temperature: −10 C to +70 C Storage Temperature: −40 C to +75 C Operating Humidity: 35% to 85% RH Storage Humidity: 35% to 85% RH Protection Polarity: Damage will not occur for up to 10 minutes with positive and negative leads connected in reverse. Locked Rotor: Within 72 hours of a rotor locking condition, at the rated voltage and operating temperature, the impedance of the motor winding will protect the motor from damage. 2 NTE Electronics, Inc. Voice (973) 748−5089 FAX (973) 748−6224 http://www.nteinc.com