Fan, DC Types, 60 x 60mm Features F2a High Speed Ball Bearings 24 AWG Red (+) and Black (−) Leads 11.8” (300mm) Lead Length 2.362 (60.0) .610 (15.5) 1.969 (50.0) .118 (3.0) 2.362 (60.0) .232 (5.9) Dia 11.811 (300.0) 1.969 (50.0) Red (+) .173 (4.4) Dia Black (−) F2b 2.362 (60.0) .787 (20.0) 1.969 (50.0) .157 (4.0) 2.362 (60.0) .173 (4.4) Dia 1.969 (50.0) DC OPERATED Black (−) Rated Voltage Max. Input Current Max. Input Power (W) Speed 10% (RPM) Max Air Flow (CFM) Max Acoustical Noise Diag No. 77−6015D12 12 0.20A 2.35 4500 18.62 39dB(A) F2a 77−6015D24# 24 0.17A 4.14 4500 18.62 39dB(A) F2a 77−6020D12 12 0.18A 2.21 4200 22.43 38dB(A) F2b NTE Type No. 77−6020D24# 24 0.15A 3.59 4200 22.43 38dB(A) F2b 77−6025D12 12 0.16A 1.93 4000 19.25 32dB(A) F2c 77−6025D24 24 0.16A 3.86 4000 19.25 32dB(A) F2c # These devices do not meet UL approval DESCRIPTION Fan Guard, Metal 11.811 (300.0) F2c .984 (25.0) 2.362 (60.0) .157 (4.0) 1.969 (50.0) 2.362 (60.0) 11.811 (300.0) 1.969 (50.0) ACCESSORIES FAN TYPE 60 X 60mm Red (+) Black (−) NTE TYPE NO. 77−MG60 .173 (4.4) Dia Red (+) 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. 34g (15mm); 50g (20mm); 62g (25mm) 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