









B2B GST Credit Available
- Stock: 1 in Stock
- SKU: 22913
- Delivery Time
- Bulk & B2B RFQ
This is a thin and lightweight heat sink, equipped with a 3510 ultra-quiet cooling fan, and the fan supports PWM speed regulation, which is perfectly compatible with Raspberry Pi OS. Other systems need to manually write python or C code to drive the fan speed through PWM.
Specifications
| SUPPORTED PI | Raspberry Pi 4 Model B 1GB/2GB/4GB/8GB Version |
|---|---|
| POWER SUPPLY | DC 5V input (can be powered from Raspberry Pi) |
| INTERFACE | 3-wire PWM speed-adjustable fan header |
| RATED POWER | 0.3W (5V, 0.6±0.02A) |
| CABLE LENGTH | 80±10mm |
| FAN | 5500±10%RPM |
Resources
Installation

1. Paste thermal pad to Raspberry Pi 4B as shown

2. Fix PI4-FAN-PWM with screws from the back of the Raspberry Pi

3. Connect the cables to GPIO. Red cable to 5V. Black to GND and Blue one to PWM pin(TXD/GPIO12/GPIO18 selectable)

4. When used with FAN Adapter, connect the cable as picture above, the default PWM pin is D12(GPIO12) ,You can switch to TXD or D18(GPIO18) by modifying the 0R resistor.


Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)





