18540 SERIES

18540 Small DC Centrifugal Fan, features a compact 185 × 180 × 40mm design, and Plastic (94V-0) impeller. Engineered for reliable airflow performance, it is ideal for OEM and industrial applications requiring consistent cooling.

Size: 185 × 180 × 40mm
Impeller Material: Plastic (94V-0)
Operating Temperature: -10–70°C (Non-condensing)
Lead Wire: UL1007 AWG #24 or equivalent; (+) red, (-) Black

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Product details

Parameters

Dimensions and construction

Source dimensional drawing for the 18540 series.

Performance curve

Source performance curve for the 18540 series.

18540 technical parameters

Product description

Product Category	DC Centrifugal Fan
Series	18540
Size	185 × 180 × 40mm
Frame Material	Plastic (94V-0)
Impeller Material	Plastic (94V-0)
Lead Wire	UL1007 AWG #24 or equivalent; (+) red, (-) Black
Ball Bearing Life	70,000 hours at 40°C
Sleeve Bearing Life	30,000 hours at 40°C
Operating Temperature	-10–70°C (Non-condensing)
Storage Temperature	-40–70°C (Non-condensing)
Special Options	AS, FG, RD, PWM, TC, IP55

Model specifications

Model	Rated Voltage (V)	Operating Voltage (V)	Rated Current (A)	Actual Current (A)	Rated Power (W)	Rated Speed (RPM ±10%)	Max Air Flow (CMM)	Max Air Flow (CFM)	Max Static Pressure (inH₂O)	Max Static Pressure (mmH₂O)	Noise Level (dB(A))
JL18540H12B	12	6–13.2	1.1	1.0	12.0	2500	2.814	99.38	0.569	14.45	53.2
JL18540M12B	12	6–13.2	0.8	0.7	8.4	2200	2.478	87.50	0.441	11.20	50.4
JL18540L12B	12	6–13.2	0.5	0.4	4.8	1800	2.027	71.60	0.295	7.50	46.0
JL18540H24B	24	12–26.4	0.6	0.5	12.0	2500	2.814	99.38	0.569	14.45	53.2
JL18540M24B	24	12–26.4	0.4	0.35	8.4	2200	2.478	87.50	0.441	11.20	50.4
JL18540L24B	24	12–26.4	0.25	0.2	4.8	1800	2.027	71.60	0.295	7.50	46.0