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Small square black plastic cooling fan with two wires

TSUJ

TSUJ Kepler-C72J-OYS-0385 DC12V 0.05A CHA4012SL-20B 4020 4cm 2-Wire Silent Cooling Fan 2 in 1 accessory

SKU CH-XGDB-DF742

A 4 cm two-wire silent cooling fan runs on 12 V at 0.05 A for 2-in-1 laptop accessories

  • Key featuresDC12 V 0.05A CHA4012SL-20B 4020 4 cm 2-Wire Silent Cooling F
  • Silent operation with 0.05A low current draw
  • 12V DC power for stable system integration
  • Compact 4020 form factor fits tight spaces
  • Two-wire design simplifies installation and wiring

TSUJ Kepler-C72J-OYS-0385 12V Cooling Fan

The TSUJ Kepler-C72J-OYS-0385 is a 12-volt two-wire cooling fan designed as a 2-in-1 accessory for compatible systems. It operates at a low current draw of 0.05 amps for quiet thermal management.

CHA4012SL-20B 4020 Silent Operation

This CHA4012SL-20B model delivers silent cooling performance through its 4020 frame configuration. Buyers needing a different voltage rating or a three-wire PWM connector for speed control should verify compatibility before purchase.

How it compares

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

Price $17.99
Cheaper than about 96% of the 7,473 comparable items (median $56.99).

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Specifications

Product
Brand nameTSUJ
Part numberKepler-C72J-OYS-0385

Questions about this item

What does the 0.05 A rating mean for my system's power budget?

At 0.05 A on a 12 V rail the fan draws very little current, leaving nearly all of the supply's capacity for the CPU and GPU.

What does the 2-wire connection limit in practice?

The two wires provide power only, so the fan runs at a fixed speed and cannot report RPM or be controlled by the motherboard.

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