BG0903-B042-000-00

Fan Blower, BG0903 Series, Centrifugal, 12 VDC, DC, 93.5 mm, 33 mm, 20.5 CFM

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Manufacturer: NMB TECHNOLOGIES
Product type: Blowers
Blower Type:Centrifugal; Supply Voltage:12V; Current Type:DC; Fan Frame Size:93.5mm; External Depth:33mm; Flow Rate - Metric:0.58m³/min; Flow Rate - Imperial:20.5cu.ft/min; Noise Rating:47.5dBA
IP Rating: -
Blower Type: Centrifugal
Bearing Type: Ball Bearing
Noise Rating: 47.5dBA
Power Rating: 4.8W
Voltage Type: DC
Product Range: BG0903
Air Flow - CFM: 20.5CFM
External Depth: 33mm
Fan Frame Size: 93.5mm
Supply Voltage: 12VDC
Air Flow - m3/min: 0.58m³/min
Flow Rate - Metric: 0.58m³/min
Flow Rate - Imperial: 20.5CFM
Power Connection Type: 2 Lead Wires

Delivery and price
Units per pack	50
Price	15.18 €
Current stock	10+
Lead time	30 days

Datasheet

_Legacy Part No. BG0903_ 

NMBTC.COM / 248.919.2250 

## 09533GA[(][Ø] 95[X ] 33[L][)] 

## _General Specifications_ 

## _Characteristic Curves_ 

## Motor Protection: 

Auto Restart/Polarity Protection 

Insulation Resistance: 

10M Ω or over with a DC500V Megger 

Dielectric Withstand Voltage: AC 700V 1s Allowable Ambient Temperature Range: 

- -10°C ~ +60°C (Operating) 

- -40°C ~ +70°C (Storage) 

(non-condensing environment) 

## _Expected Life_ 

## Failure Rate: 10% 

25°C 100,000 Hours 

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In H2O (Pa)<br>2.2 550<br>2.0 500<br>1.8 450<br>Q<br>1.6 400<br>M<br>1.4 350<br>L<br>1.2 300<br>K<br>1.0 250<br>.8 200<br>Ps<br>.6 150<br>.4 100<br>.2 50<br>0<br>0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2  (m [3] /min)<br>Static Pressure<br>**----- End of picture text -----**<br>


**==> picture [158 x 15] intentionally omitted <==**

**----- Start of picture text -----**<br>
3.5 7.0 10.6 14.1 17.6 21.124.7 28.2 31.8 35.3 40 44.5 CFM<br>Air Flow<br>**----- End of picture text -----**<br>


## _Material_ 

Casing : Plastic (Black) UL94V-0 Impeller : Plastic (Black) UL94V-0 Bearing : Ball Bearing Lead Wire : UL1007, AWG26, +Red, -Black 

## _Outline_ 

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Units: (mm)inch ROTATION (33 1.3 [±] [0.5] ) 3.82 LOT No.<br>THROUGH HOLE .177 (97.0)<br>2 – (φ4.5  [±0.3][)] 1.06 1.54 1.97 DIE-CAV No.<br>(27.0) (39.0 [±0.3] ) (50.0 [±0.3] )<br>AIR<br>AIR<br>NAME<br>PLATE<br>[±]<br>1.26<br>(32.0 [±0.3] )<br>)<br>)<br>0.5<br> ± 0.3±<br>2.28 2.09 (53.0) 1.54<br>(58.0 (39.0 3.68 (93.5)<br>.98<br>(25.0)<br>min )<br>11.8 (300) 1.26 ±0.3<br>(32.0<br>**----- End of picture text -----**<br>


## _Specifications_ 

|**MODEL**|<br>**LEGACY P/N**<br>|Rated<br> Voltage|Operating<br> <br> Voltage|Current|Input<br>Power|Speed|Max.<br>AirFlow|Max.<br>AirFlow|Max. Static<br>Pressure|Max. Static<br>Pressure|Noise|Mass|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||(V)|(V)|(A)*1|(W)*1|(min-1)*1|CFM*1|(m3/min)*1in|H2O|(Pa)*1|(dB)*1|(g)|
|09533GA-12K-AA-00|BG0903-B042-000-00|12|8 ~ 13.8|0.40|4.80|2700|20.5|0.58<br>|.61|152|47.5|210|
|09533GA-12L-AA-00|BG0903-B043-000-00|12|8 ~ 13.8|0.64|7.68|3200|24.7|0.70<br>|.90|225|51.5|210|
|09533GA-12M-AA-00|BG0903-B044-000-00|12|8 ~ 12.6|1.03|12.40|3700|28.6|0.81<br>|1.4|342|54.5|210|
|09533GA-12Q-AA-00|BG0903-B047-000-00|12|9.5 ~ 13.2|1.6|19.20|5200|38.1|1.08<br>1|.88|470|61.0|210|
|09533GA-24K-AA-00|BG0903-B052-000-00|24|10 ~ 27.6|0.21|5.04|2700|20.5|0.58<br>|.61|152|47.5|210|
|09533GA-24L-AA-00|BG0903-B053-000-00|24|10 ~ 27.6|0.33|7.92|3200|24.7|0.70<br>|.90|225|51.5|210|
|09533GA-24M-AA-00|BG0903-B054-000-00|24|10 ~ 25.0|0.49|11.80|3700|28.6|0.81<br>|1.4|342|54.5|210|



Rotation: Clockwise Label Side 

- *1: Average Values in Free Air 

- **[Contact][NMB][for][ availability ] 

Note: PWM/Locked Rotor/Tach Available

Updated at April 28, 2026

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