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40mm 40x40x20mm DC 12V 0.25A 4Wire PWM High Airflow Cooling Fan Replacement for DS04020B12U, 4CM Axial Fan for NVIDIA Jetson Nano Embedded Development Board Active Air Cooling Repair
- Direct dropin replacement fan for DS04020B12U, compact 40x40x20mm 4020 dimension, DC 12V 0.25A electrical rating
- 4wire PWM connector supports dynamic speed adjustment and realtime tachometer feedback signal
- Dual ball bearing minimizes mechanical friction for stable longtime continuous embedded system operation
- Highairflow blade design delivers powerful cooling airflow for Jetson Nano processor heat dissipation
- Slim 40mm form factor fits limited inner space of Jetson Nano enclosure and embedded hardware assemblies
- Ideal spare part to replace noisy, stuck or burntout original fan for embedded AI projects
- Strict factory electrical and rotation testing for consistent daily operation performance
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40x40x20mm dual ballbearing axial cooling fan is an accurate replacement for DS04020B12U, designed for NVIDIA Jetson Nano embedded development board. Operating at DC 12V with 0.25A rated current, it features 4wire PWM interface for automatic speed control and tachometer feedback, matching embedded board thermal management. Optimized fan blades generate strong airflow to draw away heat from main chip during AI computing and heavyload tasks. Dual ball bearing reduces internal wear and ensures reliable longhour continuous running. It is a costeffective solution for hardware repair and thermal upgrade. Please verify dimension, voltage and pin definition before purchase. Mounting screws are not included.
Fan Model: DS04020B12U Replacement
Dimension: 40 x 40 x 20 mm (4CM / 4020)
Rated Voltage: DC 12V
Rated Current: 0.25A
Connector: 4Wire(PWM Speed Control + Tachometer Feedback)
Bearing Type: Dual Ball Bearing
Fan Type: High Airflow Axial Cooling Fan
Application: NVIDIA Jetson Nano Embedded Board Active Air Cooling Replacement
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
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