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Small black blower fan, 45 by 20 mm, three-wire connector

Zyvpee

Zyvpee GB1245PKVX-8 45x20mm 12V 1.2W 3-pin blower case fan

SKU CH-RHRR-735E2

45×20 mm 12 V 1.2 W ball-bearing blower fan with 3-pin connector for Optoma X316ST, DT5603, EW610ST and VE28X projectors

  • Bearing designBall
  • Rotational speed<1,600 RPM
  • Power input connector3 Pin
  • LED lightingNon-LED
  • Product typeCase Fan
  • Compatible withCPU Cooler
  • Ball bearing ensures reliable long-life operation
  • 45 × 20 mm blower fits Optoma X316ST DT5603 EW610ST VE28X
  • 12 V 1.2 W design keeps power draw low
  • Three-pin connector enables simple motherboard control
  • Sub-1600 RPM rating limits acoustic noise

Compact blower for projector cooling

The Zyvpee GB1245PKVX-8 is a 45 by 20 millimetre blower fan designed to fit the tight ducting of compatible Optoma projectors such as the X316ST, DT5603, EW610ST and VE28X. It runs on 12 volts and draws 1.2 watts through a standard three-pin connector. Ball bearings keep the rotor stable at speeds below 1600 RPM.

Three-pin voltage control only

The three-pin interface supplies power and a tachometer signal but does not support PWM speed regulation. Fan speed therefore varies with the supplied voltage rather than a digital duty cycle. Builders who need motherboard-controlled PWM curves or software fan profiles cannot use this connector for that purpose.

Dimensions and airflow direction decide fit

The 45 by 20 millimetre frame and blower-style exhaust determine whether the unit matches the original projector shroud. If the replacement requires a different footprint, thickness or axial airflow pattern, this model will not install correctly.

How it compares

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

Price $25.99
Pricier than about 65% of the 8,339 comparable items (median $19.99).

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Specifications

Product
Brand nameZyvpee
Product lineGB1245PKVX-8
Model nameGB1245PKVX-8
Product typeCase Fan
Product colorBlack
Performance
Rotational speed<1,600 RPM
Power
Power input connector3 Pin
Size & build
Bearing designBall
Product dimensions45 × 20MM
Compatibility
Compatible withCPU Cooler
More details
LED lightingNon-LED

Questions about this item

Is the GB1245PKVX-8 the only version offered for this 45 mm blower?

The listing shows a single model, GB1245PKVX-8, with 12 V, 1.2 W and a 3-pin connector; no alternative capacities or speeds are mentioned.

What does the <1600 RPM rating mean once the fan is installed in a projector?

The blower will spin at up to 1600 revolutions per minute, moving air through the 45 mm by 20 mm frame to cool the projector’s internal components.

What does the 3-pin connector cap in practice for speed control?

The 3-pin power connector supplies 12 V and a tachometer signal, allowing the host device to monitor speed but not to vary voltage for PWM control.

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