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NTE Electronics, Inc. Voice (973) 748−5089 FAX (973) 748−6224 http://www.nteinc.com
Fan, DC Types, 40 x 40mm
Features
High Speed
Ball Bearings
26 AWG Red (+) and Black (−) Leads
11.8” (300mm) Lead Length
DC OPERATED
NTE
Type No.
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
ACCESSORIES
FAN TYPE DESCRIPTION NTE TYPE NO.
40 X 40mm Fan Guard, Metal 77−MG40
40 X 40mm Fan Filter, 3−Piece w/Cover 77−FF40
F1
b: 20mma: 10mm
Black (−)
Red (+)
1.260
(32.0)
1.576
(40.0)
1.260 (32.0)
1.576 (40.0)
11.811 (300.0)
.118 (3.0)
.413 (10.5)
.138
(3.5)
Dia
.236
(6.0)
Dia
.236
(6.0)
Dia
.138
(3.5)
Dia
.059 (1.5)
.787 (20.0)
.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.
