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直流风扇

直流散热风扇140*140*25mm

发布时间:2011/08/20
直流散热风扇140*140*25mm

 

1.SCOPE

This document is a specification defining the electrical and mechanical characteristics of the product.

2.ELECTRICAL

Standard operating condition is 25℃, 65%RH ambient, unless otherwise specified. 

 

Item

Specification

Test Condition

1

 Rated Voltage

12V ±10%

 DC power supply (Autostar)

2

 Rated Current

 0.20Amp (Typical)

 DC power supply at Rated Voltage

4

 Rated Power

2.40W

At Rated Voltage.

5

 Starting Voltage

15V (Max.)

DC power supply

7

 Speed

 1500RPM  ±10%

Measured at 5 minutes

after starting under 25±5℃, 65±5%RH ambient(pwm speed)

8

 Acoustical Noise

34dB(A)(measurement tolerance ± 2 dBA)

Measured at typical speed with an acoustic microphone 1 meter away from the fan intake in a test chamber with  background noise level  below 18dB(A)

9

 Static Pressure

 2.6  mm-H2O

Refer to PERFORMANCE CHART ITEM 9 at zero airflow.

 

10

 Air Flow

68.4 CFM

Refer to PERFORMANCE CHART ITEM 9 at zero static Pressure.

 

11

 Direction of rotation

Counter-anticlockwise

DC power supply, viewed from impeller.

12

 

Noise test

3. MATERIAL

Impeller
Frame

Bobbin
PBT UL94-V0

Lead Wire  

 +:Red 

 –:Black 

 FG: Yellow

                          24

UL 1007 AWG26  

                         

 

4.MECHANICAL

 

 Dimensions

 L * W * H =140*140*25(mm)

 Weight

102g

 Standard operating temperature  range  

 -10 ℃ ~ 75 ℃

 Standard storage temperature

 -20 ℃ ~ 80 ℃

Bearing system

   Sleeve  Bearing

 

5.EXPECTED LIFE SPAN (MTBF)

At a standard operating condition of 25±5℃, 65±5%RH ambient

 Sleeve  Bearing:25000 hrs , Continuous operating under 25℃ 65%RH

6. RELIABILITY

 

Item

Specification

Test Condition

1

Locked Rotor Test

Flameproof and damage free

Rotor locked for 72 hrs with Rated Voltage

2

Reverse Voltage  Test Protection

Yes

Reverse with Rated Voltage

3

Balance Test

No protruding beyond the circle within 10 seconds

The fan runs in a circle, scaled by

fan radius plus 10mm

4

Drop Test

All specified characteristics remain unchanged

Drop D.U.T.(The standard packing) from the test machine at 76cm below. Individual one angle,

5

Vibration Test

All specified characteristics remain unchanged

Ambient temp.:25 C±5 C with Rated Voltage

Amplitude:0.4-2.5 mm

Acceleration:14.7 S/m2

Frequency:10HZ-60HZ

Sweeping period:1 min

   10HZ-60HZ:30 seconds

   60HZ-10HZ:30 seconds

Total:10 cycles

6

High/Low Temperature Cycling

All specified characteristics remain unchanged

20 minutes slew rate +75 C (1 hr)

,–10 C (1 hr)

Total:36 cycles with Rated Voltage

7

Low Temp. Storage

All specified characteristics remain unchanged

Tested under standard condition ;after 500hrs, -20 C storage, without power supply.

8

High Temp. Storage

All specified characteristics remain unchanged

Tested under standard condition ;after 500hrs, 80 C storage, without power supply.

9

Dielectric Strength

Max 1mA of leakage Current

Input 500V(AC) for 1 sec

between lead (+/-) and housing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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