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Small black square 4 cm cooling fan with three wires

TSUJ

TSUJ Kepler-C72J-OYS-0386 12V .17A 3-Wire 4028 Fan 2 in 1 accessory

SKU CH-5C1W-63TR4

A 12V 0.17A three-wire 4028 server fan provides silent cooling for 2-in-1 laptops

  • Key featuresDC12 V 0.17A FFB0412HHN 4028 4 cm 3 Wire Server Silent Cooli
  • DC 12 V .17 A 3-wire power for efficient low-voltage cooling
  • 4028 form factor fits compact 2-in-1 chassis
  • Silent server-grade operation keeps noise low
  • FFB0412HHN motor design built for continuous duty

12 V 0.17 A 3-wire cooling fan

The TSUJ Kepler-C72J-OYS-0386 is a 12 V, 0.17 A three-wire fan built for server and compact-system cooling. It fits 4028 form-factor mounts and targets builders who need a direct-replacement blower for tight chassis.

Thermals, noise and power draw

At 12 V the unit draws 0.17 A, delivering silent airflow for its class. The three-wire connection reports speed so the host can regulate thermals without extra wiring.

How it compares

Measured against everything we stock in 2-in-1 Device Accessories, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 95% of the 7,473 comparable items (median $56.99).

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Specifications

Product
Brand nameTSUJ
Part numberKepler-C72J-OYS-0386

Questions about this item

How do I connect the 3-wire FFB0412HHN fan to a 12 V header?

Align the three pins with the motherboard header, matching the tachometer wire to the sense pin, then press firmly until seated.

When should I replace the FFB0412HHN 4028 cooling fan?

Replace it if bearing noise increases, RPM drops below spec, or the tachometer signal becomes erratic.

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