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Black 40mm square case fan with three-wire connector

SXDOOL

SXDOOL 1608KL-05W-B39 40mm 24V 0.07/0.08A 3-Wire case fan

SKU CH-N6JM-X5RNR MPN 1608KL-05W-B39

40 mm case fan with 24 V power, 6500–6999 RPM, 5–10 CFM airflow and 25–30 dBA noise

  • Fan size40 mm
  • Bearing design2 Ball
  • Rotational speed6500-6,999 RPM
  • Airflow rate5-10 CFM
  • Operating noise25–30 dBA
  • LED lightingNon-LED
  • 40 mm frame fits tight build spaces
  • 6500 to 6999 RPM delivers 5 to 10 CFM airflow
  • Double ball bearing rated for 50000 hours service life
  • 25 to 30 dBA keeps system noise low
  • 24 V 0.07 or 0.08 A three-wire connector simplifies installation

Compact 40 mm 24 V fan for tight industrial chassis

The SXDOOL 1608KL-05W-B39 is a 40 mm square frame fan rated for 24 V DC input and a current draw of 0.07 to 0.08 A. It targets equipment builders who need a low-profile airflow source for Fanuc or similar control cabinets where space is at a premium.

Three-wire tachometer output on a fixed 24 V rail

The 3-wire connector supplies power, ground and a speed signal but no PWM control, so the fan runs at a fixed 6500 to 6999 RPM delivering 5 to 10 CFM. Voltage tolerance is limited to plus or minus 15 % of the rated 24 V, and the operating window stops at 70 °C ambient.

Double ball bearing in a glass-filled PBT frame

Japan NMB-MAT double ball bearings give a rated service life of 50 000 hours at 25 °C and an MTBF of 180 000 hours. The frame and impeller are single-shot injection moulded PBT with 30 % glass fibre and VO flame rating, while the original Fanuc connector ensures drop-in compatibility without adapter cables.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 90% of the 8,339 comparable items (median $19.99).
Fan size 40 mm
Lower than about 90% of the 1,114 comparable items (median 120 mm).

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Specifications

Product
Product typeCase Fan
Product colorBlack
Performance
Rotational speed6500-6,999 RPM
Airflow rate5-10 CFM
Size & build
Fan size40 mm
Bearing design2 Ball
Environment & compliance
Operating noise25–30 dBA
More details
LED lightingNon-LED

Questions about this item

Should I pick the 0.07 A or 0.08 A version for my 24 V supply?

Both figures describe the same fan; the 0.08 A rating equals 1.92 W at 24 V, so one part covers either spec.

What does 7.4 CFM actually move inside a tight chassis?

At 6500 RPM the fan pushes 7.4 CFM with 42.2 Pa pressure, enough for targeted spot-cooling on a VRM or small heatsink.

How does the 3-wire connector limit speed control?

The three wires carry power, ground and a tachometer signal; PWM control is not supported, so speed is fixed by voltage.

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