# Stepper driver A4988 + Radiator

- Page: https://sigmanortec.ro/en/stepper-driver-a4988-radiator
- Price: 8.54 RON
- Availability: In stock; 1-2 zile
- Reference: 22033 · EAN: 5947345040436
- Category: Mechatronics and IoT > Driving Motor > Stepper Drivers
- Package (shipping data): 0.003 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:46 (Europe/Bucharest)

## Description

Stepper motor driver ideal for CNC and 3D printers, offers precise control with microstepping up to 1/16 and 16 segments, operates at 8.2-35V and supports up to 2A adjustable from the potentiometer, mounts directly on the development board without shield. Includes self-adhesive aluminum heatsink for better thermal dissipation and integrated overcurrent and overtemperature protections.
Driver for stepper motor used in the construction of CNC machines, 3D printers, and any application requiring precise control of a stepper motor.
Can be used directly on the development board, without the need for a shield.
Includes an aluminum heatsink with a self-adhesive contact surface.
Specifications:
Supply voltage: 8.2V - 35V
5 different resolutions: 1/4, 1/8, 1/16, full
Maximum current: 2.0A, adjustable via the integrated potentiometer (for up to 24V)
16 microstepping segments
Protection against: overcurrent, overheating, and undervoltage
Polarity protection: No
Dimensions mm: 20.5mm x 15mm
.