# Ventilator and Radiator > 12V/5V fans, passive heatsinks and Peltier modules for cooling components and boards like Raspberry Pi - Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt) - Category page: https://sigmanortec.ro/en/ventilator-and-radiator - Category: Mechatronics and IoT > Ventilator and Radiator - Prices: RON, VAT included; prices and stock as of 2026-10-22 00:53 (Europe/Bucharest) ## Subcategories - [Peltier Elements](https://sigmanortec.ro/en/llms/c/273.md): Thermoelectric Peltier modules (TEC) and fan-cooled heat sink systems for cooling/heating electronics (4 products) ## Products (19) ### Thermoelectric peltier module 12V 60W - Page: https://sigmanortec.ro/en/thermoelectric-peltier-module-12v-60w - Details: https://sigmanortec.ro/en/llms/p/451.md - Price: 22.29 RON - Availability: In stock; 1-2 zile - Reference: 22086 · EAN: 5942358615077 - Specifications: tension: AD; Power: Over 20W; Input Voltage: 12 VDC Thermoelectric Peltier module TEC1-12706, 12VDC supply, current 4.3-4.6A, dimensions 40x40x3.6 mm. Creates a temperature difference between its two sides for cooling or heating via the Peltier effect, cooling power Qcmax 50-60W. Requires efficient heat dissipation (heatsink and thermal paste) on the hot side for optimal operation. Suitable for DIY projects, electronics and compact industrial applications. ### Stepper heatsink, 4040, MK7/MK8, gold - Page: https://sigmanortec.ro/en/stepper-heatsink-4040-mk7-mk8-gold - Details: https://sigmanortec.ro/en/llms/p/575.md - Price: 6.44 RON - Availability: In stock; 1-2 zile - Reference: 33539 · EAN: 5946782510397 Gold-colored aluminum heatsink, dimensions 40 x 40 x 11 mm, for cooling the stepper motor in direct extruder configurations. Compatible with 4040 fan and NEMA17 motors, fits MK7 and MK8 extruders. Helps maintain a stable temperature and reduces overheating risk during long prints. ### Transistor Heatsink 20x15x10 - Page: https://sigmanortec.ro/en/transistor-heatsink-20x15x10 - Details: https://sigmanortec.ro/en/llms/p/576.md - Price: 4.73 RON - Availability: In stock; 1-2 zile - Reference: 33301 · EAN: 5944684684628 Aluminium heatsink for transistors in TO220 package, dimensions 20 x 15 x 10 mm. Helps dissipate heat efficiently, maintain operating temperature and increase the reliability of assemblies. Lightweight and sturdy construction with a surface optimised for heat transfer, suitable for power applications, power supplies and drivers. ### Peltier cooling system, with 12V fan - Page: https://sigmanortec.ro/en/peltier-cooling-system-with-12v-fan - Details: https://sigmanortec.ro/en/llms/p/720.md - Price: 46.28 RON - Availability: In stock; 1-2 zile - Reference: 33609 · EAN: 5945128040925 - Specifications: Input Voltage: 12 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English. Cooling kit for thermoelectric Peltier modules, with two heatsinks (large 80 x 80 x 30 mm and small 46.5 x 60 x 21 mm) and a 12V, 0.12A fan measuring 80 x 80 x 25 mm. Input voltage 12V DC. Optimal dissipation power 60W, assembly dimensions 80 x 80 x 75 mm. Includes mounting screws. The Peltier element is not included and must be purchased separately. ### Fan 12V 25x25x7, 2507S, 2 wires - Page: https://sigmanortec.ro/en/fan-12v-25x25x7-2507s-2-wires - Details: https://sigmanortec.ro/en/llms/p/800.md - Price: 11.83 RON - Availability: Out of stock - Reference: 33185 · EAN: 5945086383355 - Specifications: Input Voltage: 12 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English. DC fan, 12V, dimensions 25x25x7 mm, model 2507S, with 2-wire connection. It is intended for cooling electronic modules and compact equipment, suitable for mounting in narrow spaces. It provides stable ventilation and constant airflow in enclosures, panels or DIY projects. ### Fan 12V 40mm 2 pins - Page: https://sigmanortec.ro/en/fan-12v-40mm-2-pins - Details: https://sigmanortec.ro/en/llms/p/801.md - Price: 9.70 RON - Availability: In stock; 1-2 zile - Reference: 22047 · EAN: 5941843093543 - Specifications: Input Voltage: 12 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English. Cooling fan with 2 pins, 12V DC supply voltage, consumption under 50mA. Dimensions 40 x 40 x 10mm, quiet operation with high airflow, suitable for cooling electronic components in compact enclosures. ### Fan 12V, 60x60x15, 6015, 2 wires - Page: https://sigmanortec.ro/en/fan-12v-60x60x15-6015-2-wires - Details: https://sigmanortec.ro/en/llms/p/802.md - Price: 15.55 RON - Availability: In stock; 1-2 zile - Reference: 33186 · EAN: 5947488223376 - Specifications: Input Voltage: 12 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English. Cooling fan powered by 12V DC, in a 60x60x15 mm (6015) format with a 2-wire connection. Provides efficient cooling of electronic equipment and compact enclosures, suitable for tight spaces. Delivers a constant airflow for heat dissipation during continuous operation, with easy integration thanks to the 12V power supply. ### Radial Fan 4020 12V - Page: https://sigmanortec.ro/en/radial-fan-4020-12v - Details: https://sigmanortec.ro/en/llms/p/803.md - Price: 15.65 RON - Availability: In stock; 1-2 zile - Reference: 33315 · EAN: 5943314477319 - Specifications: Input Voltage: 12 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English. Radial fan 4020, input voltage 12 V DC. Airflow of 3.2 CFM at 5800 RPM, noise level 23 dBA, rated current 120 mAh. Dimensions 40 x 40 x 20 mm, weight 27 g. Suitable for directed cooling in compact enclosures, 3D printers or industrial electronics. ### Radial fan, 5015, 50x50x15, 2P, 12V - Page: https://sigmanortec.ro/en/radial-fan-5015-50x50x15-2p-12v - Details: https://sigmanortec.ro/en/llms/p/804.md - Price: 9.38 RON - Availability: In stock; 1-2 zile - Reference: 33187 · EAN: 5949328194525 - Specifications: Input Voltage: 12 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English. Radial fan model 5015, dimensions 50x50x15 mm, 12V DC power supply, 2-pin connector. Features 33 blades, a speed of approximately 4600 rpm ±5%, a noise level of 23 dBA, power of 1.2 W and current of 0.1 A. Uses an oil bearing with a lifespan of 30000 hours. Suitable for cooling enclosures, 3D printers, mini-PCs, embedded systems and DIY projects. ### Fan 5V Raspberry Pi, 3030 - Page: https://sigmanortec.ro/en/fan-5v-raspberry-pi-3030 - Details: https://sigmanortec.ro/en/llms/p/835.md - Price: 8.60 RON - Availability: In stock; 1-2 zile - Reference: 9024 · EAN: 5943373913407 - Specifications: tension: AD; Input Voltage: 5VDC 5V fan for Raspberry Pi, model 3030, used for active cooling of Raspberry Pi boards and maintaining stable temperatures under high loads. Power supply 5VDC, current draw 0.1-0.2A, dimensions 30 x 30 x 10 mm. The kit includes screws for mounting. ### Radiator set for Raspberry Pi4, aluminum, self-adhesive - Page: https://sigmanortec.ro/en/radiator-set-for-raspberry-pi4-aluminum-self-adhesive - Details: https://sigmanortec.ro/en/llms/p/933.md - Price: 5.29 RON - Availability: In stock; 1-2 zile - Reference: 9124 · EAN: 5942570433718 - Specifications: Material: Aluminiu Set of 3 blue aluminum heatsinks for Raspberry Pi 4 B, with a self-adhesive thermal pad on the back (remove the protective film to install). Included sizes: 14 x 14 x 6 mm, 15 x 10 x 5 mm and 8.8 x 8.8 x 5 mm, for the board's main chips. ### Peltier Thermoelectric Module TEC1-12703, 40mm, 12V - Page: https://sigmanortec.ro/en/peltier-thermoelectric-module-tec1-12703-40mm-12v - Details: https://sigmanortec.ro/en/llms/p/1379.md - Price: 33.58 RON - Availability: In stock; 1-2 zile - Reference: 9273 · EAN: 5942503761284 - Specifications: Nominal Current: 3 A; Input Voltage: 12 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English. Peltier Thermoelectric Module TEC1-12703, dimensions 40x40x3.6mm, 12V DC power supply. Nominal current 3A (description also mentions 4.3-4.6A), cooling power Qcmax 43W under ideal test conditions. It works based on the temperature difference between its two sides, suitable for electrically controlled cooling/heating or current generation via temperature difference. A heatsink and thermal paste are needed for optimal operation. ### Radiator, 40x40mm, Black - Page: https://sigmanortec.ro/en/radiator-40x40mm-black - Details: https://sigmanortec.ro/en/llms/p/1706.md - Price: 11.10 RON - Availability: In stock; 1-2 zile - Reference: 9593 · EAN: 5941263340241 Aluminum heatsink, black, dimensions 40 x 40 x 11mm. Suitable for cooling NEMA17 stepper motors and integrated circuits that heat up. The fins, milled on two axes, provide a large surface area for efficient heat dissipation, and the black finish aids thermal radiation. ### Portable Smoke Extractor Kit, 6015 fan, USB-C, activated carbon filter - Page: https://sigmanortec.ro/en/portable-smoke-extractor-kit-6015-fan-usb-c-activated-carbon-filter - Details: https://sigmanortec.ro/en/llms/p/1880.md - Price: 112.71 RON - Availability: Out of stock - Reference: 5002 · EAN: 5942232487523 Portable DIY fume extractor, ideal for soldering and electronics work, with 3D printed housing, 60mm fan with good airflow and USB-C power supply. It works with 18650 battery via TP4056 for charging and protection, and the voltage booster provides 12V for the fan. The activated carbon filter is removable and fixes the sponge for quick replacement. Portable smoke extractor kit, using a 3D printed housing, 60mm fan with good airflow, 18650 holder and a charging and power circuit. ### Fan control module, temperature sensor, PWM, 12V, 0.8A - Page: https://sigmanortec.ro/en/fan-control-module-temperature-sensor-pwm-12v-08a - Details: https://sigmanortec.ro/en/llms/p/2112.md - Price: 28.50 RON - Availability: In stock; 1-2 zile - Reference: 9944 · EAN: 5944213497224 - Specifications: Nominal Current: 0.8 A; Input Voltage: 12 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English. Automatically controls the cooling of electronic systems with PWM control, adjusting the speed of the 12V fan according to the temperature measured with the waterproof NTC 50K probe. It offers fine control for low noise and longer fan life, supports up to 0.8A, has status LEDs and allows setting of Tu and Td thresholds or manual operation without a probe. Fan speed control module using PWM (Pulse Width Modulation) speed control method and a temperature probe, for cooling management in electronic and industrial systems. ### Aluminum radiator I-50, SSR relays, 10–25A, DIN rail - Page: https://sigmanortec.ro/en/aluminum-radiator-i-50-ssr-relays-1025a-din-rail - Details: https://sigmanortec.ro/en/llms/p/2548.md - Price: 13.39 RON - Availability: In stock; 1-2 zile - Reference: 88369 · EAN: 5943659435975 - Specifications: Material: Aluminiu; Mounting type: Sina DIN; Model: I-50; Compatible relay current: 10 - 25 A Aluminum radiator I-50 for passive cooling of single-phase SSR relays with 10-25A current. Mounts on the relay via two threaded holes 49 mm apart, top mounting plate 60x50 mm. Overall dimensions 80x50x50 mm, width with feet 80mm. Fits on 35mm DIN rail or can be screwed onto a panel. Cooling by natural convection, no fan, natural aluminum finish. ### Peltier cell SP1848-27145, 40mm, 12V - Page: https://sigmanortec.ro/en/peltier-cell-sp1848-27145-40mm-12v - Details: https://sigmanortec.ro/en/llms/p/2169.md - Price: 22.76 RON - Availability: In stock; 1-2 zile - Reference: 88005 · EAN: 5945346736792 - Specifications: Input Voltage: 12VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English. Peltier cell SP1848-27145 SA, 40x40x3.6mm, 12VDC supply, maximum current 6A. Made of bismuth telluride, operates between -60 and 125°C, uses the Seebeck effect to convert temperature difference into electrical current, generating up to 4.8V at deltaT 100°C. Red wire positive, black wire negative. Recommended exclusively as a power generator, not as a cooler. ### Thermal pad 0.5mm , silicone, adhesive, 1.5W-mk , 100x100mm - Page: https://sigmanortec.ro/en/thermal-pad-05mm-silicone-adhesive-15w-mk-100x100mm - Details: https://sigmanortec.ro/en/llms/p/1977.md - Price: 8.43 RON - Availability: In stock; 1-2 zile - Reference: 9834 · EAN: 5949408682706 Self-adhesive silicone thermal pad, 0.5mm thick, 100x100mm size, pre-cut into 10x10mm squares. Thermal conductivity 1.5W/m-K, operating range -50 to 200 degrees C. Maximum resistivity 10^12, breakdown voltage 4.5KV. Used between a heatsink and CPU, transistors or other components to reduce air gaps and improve heat transfer. ### AG thermal paste, 2 grams - Page: https://sigmanortec.ro/en/ag-thermal-paste-2-grams - Details: https://sigmanortec.ro/en/llms/p/506.md - Price: 8.53 RON - Availability: In stock; 1-2 zile - Reference: 33384 · EAN: 5940387342520 AG thermal paste, model HY810-OP, quantity 2 grams, for efficient heat transfer between processor and heatsink. Thermal conductivity above 4.63 W/m-k, gray color, compact 11 cm tube. Includes a plastic spatula for precise application, helping reduce temperatures and improve operating stability.