{"product_id":"rds3218-90-degree-servo-motor","title":"RDS3218 20kg 3-Pole High-Torque Digital Servo – Double Bearing – 90 Degree – Red","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eRDS3218 20kg Robot Digital Servo - 90 Degree\u003c\/span\u003e\u003c\/h2\u003e\nThe \u003cstrong\u003eRDS3218\u003c\/strong\u003e is a 6V robot digital servo designed for controlled angular positioning in robotics and mechanical motion systems. It operates from \u003cstrong\u003e4.8V to 6.8V\u003c\/strong\u003e and delivers up to \u003cstrong\u003e25 kg-cm stall torque at 6.8V\u003c\/strong\u003e. The servo uses a \u003cstrong\u003e342 gear ratio\u003c\/strong\u003e, \u003cstrong\u003edouble-bearing construction\u003c\/strong\u003e, and a \u003cstrong\u003e3-pole motor\u003c\/strong\u003e, providing a compact motion-control solution for servo-driven mechanisms.\u003cbr\u003e\u003cbr\u003eAt 5V, the servo provides a no-load speed of \u003cstrong\u003e0.2 sec\/60°\u003c\/strong\u003e with \u003cstrong\u003e21.5 kg-cm stall torque\u003c\/strong\u003e, while at 6.8V it reaches \u003cstrong\u003e0.17 sec\/60°\u003c\/strong\u003e with \u003cstrong\u003e25 kg-cm stall torque\u003c\/strong\u003e. Position control uses a standard \u003cstrong\u003ePWM interface\u003c\/strong\u003e with a \u003cstrong\u003e500-2500 µsec pulse-width range\u003c\/strong\u003e, \u003cstrong\u003e1500 µsec neutral position\u003c\/strong\u003e, \u003cstrong\u003e3 µsec dead-band width\u003c\/strong\u003e, and \u003cstrong\u003e50-330 Hz operating-frequency range\u003c\/strong\u003e.\u003cbr\u003e\u003cstrong\u003eAngle Variant Note:\u003c\/strong\u003e The 90° travel designation is based on the supplied stock variant information. The provided technical sheet lists 180°\/270° control options, so no unsupported 90° endpoint pulse mapping has been added.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eModel: RDS3218 Red\u003c\/li\u003e\n\u003cli\u003eProduct Type: 6V 20kg Robot Digital Servo\u003c\/li\u003e\n\u003cli\u003eAngle Variant: 90 Degree\u003c\/li\u003e\n\u003cli\u003eOperating Voltage Range: 4.8-6.8V\u003c\/li\u003e\n\u003cli\u003eGear Ratio: 342\u003c\/li\u003e\n\u003cli\u003eBearing: Double Bearing\u003c\/li\u003e\n\u003cli\u003eMotor: 3-Pole\u003c\/li\u003e\n\u003cli\u003eConnector Wire: 300 ± 5 mm\u003c\/li\u003e\n\u003cli\u003eWaterproof Performance: No\u003c\/li\u003e\n\u003cli\u003eControl System: PWM (Pulse width modification)\u003c\/li\u003e\n\u003cli\u003ePulse-Width Range: 500-2500 µsec\u003c\/li\u003e\n\u003cli\u003eNeutral Position: 1500 µsec\u003c\/li\u003e\n\u003cli\u003eRunning Degree: 90°\u003c\/li\u003e\n\u003cli\u003eDead-Band Width: 3 µsec\u003c\/li\u003e\n\u003cli\u003eOperating Frequency: 50-330 Hz\u003c\/li\u003e\n\u003cli\u003eRotating Direction: Counterclockwise when pulse width increases from 500 to 2500 µsec\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eUp to 25 kg-cm stall torque at 6.8V\u003c\/li\u003e\n\u003cli\u003e0.17 sec\/60° no-load speed at 6.8V\u003c\/li\u003e\n\u003cli\u003e4.8-6.8V operating-voltage range\u003c\/li\u003e\n\u003cli\u003eDigital PWM position control\u003c\/li\u003e\n\u003cli\u003e500-2500 µsec control pulse range\u003c\/li\u003e\n\u003cli\u003e90° running-angle variant\u003c\/li\u003e\n\u003cli\u003eDouble-bearing mechanical construction\u003c\/li\u003e\n\u003cli\u003e342 gear-ratio specification\u003c\/li\u003e\n\u003cli\u003e3 µsec dead-band width\u003c\/li\u003e\n\u003cli\u003e50-330 Hz operating-frequency range\u003c\/li\u003e\n\u003cli\u003e300 ± 5 mm three-wire connection lead\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003cdiv class=\"product_info\" style=\"text-align: center;\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eDimension Drawing\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/dimensional_drawing_90_12249411-ab5b-4023-a405-32bdf5c38c88.png?v=1787225624\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eEnvironmental Conditions\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eStorage Temperature Range: -30°C to 80°C\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -15°C to 70°C\u003c\/li\u003e\n\u003cli\u003eOperating Voltage Range: 4.8-6.8V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eAt 5V - Idle Current (at stopped): 4 mA\u003c\/li\u003e\n\u003cli\u003eAt 5V - Operating Speed (at no load): 0.2 sec\/60°\u003c\/li\u003e\n\u003cli\u003eAt 5V - Stall Torque (at locked): 21.5 kg-cm\u003c\/li\u003e\n\u003cli\u003eAt 5V - Stall Current (at locked): 1.6 A\u003c\/li\u003e\n\u003cli\u003eAt 6.8V - Idle Current (at stopped): 5 mA\u003c\/li\u003e\n\u003cli\u003eAt 6.8V - Operating Speed (at no load): 0.17 sec\/60°\u003c\/li\u003e\n\u003cli\u003eAt 6.8V - Stall Torque (at locked): 25 kg-cm\u003c\/li\u003e\n\u003cli\u003eAt 6.8V - Stall Current (at locked): 2.5 A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eControl Specifications\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eControl System: PWM (Pulse width modification)\u003c\/li\u003e\n\u003cli\u003ePulse-Width Range: 500-2500 µsec\u003c\/li\u003e\n\u003cli\u003eNeutral Position: 1500 µsec\u003c\/li\u003e\n\u003cli\u003eRunning Degree: 90°\u003c\/li\u003e\n\u003cli\u003eDead-Band Width: 3 µsec\u003c\/li\u003e\n\u003cli\u003eOperating Frequency: 50-330 Hz\u003c\/li\u003e\n\u003cli\u003eRotating Direction: Counterclockwise when pulse width increases from 500 to 2500 µsec\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eConnector and PWM Wiring\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eConnector Type Shown: JR 3-Pin, 2.54 mm Pitch\u003c\/li\u003e\n\u003cli\u003eWire-Color Option 1: Brown = Negative (-), Red = Positive (+), Orange = Signal (S)\u003c\/li\u003e\n\u003cli\u003eWire-Color Option 2: Black = Negative (-), Red = Positive (+), White = Signal (S)\u003c\/li\u003e\n\u003cli\u003eControl Interface: PWM\u003c\/li\u003e\n\u003cli\u003eControl-Signal Level in Illustration: 3.3-5V\u003c\/li\u003e\n\u003cli\u003ePWM Period Illustration: 3.0-30 ms, Default 20 ms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003cdiv style=\"text-align: center;\" class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eConnector and PWM Wiring\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/connector_pwm_angle_overview_90.png?v=1787224255\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePWM Position Reference\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003ePulse-Width Control Range: 0.5-2.5 ms (500-2500 µsec)\u003c\/li\u003e\n\u003cli\u003eNeutral Pulse: 1.5 ms (1500 µsec)\u003c\/li\u003e\n\u003cli\u003eAngle Variant: 90° travel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eApplications :\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRobot servo positioning systems\u003c\/li\u003e\n\u003cli\u003e90° angular positioning mechanisms\u003c\/li\u003e\n\u003cli\u003ePWM-controlled robotics projects\u003c\/li\u003e\n\u003cli\u003eMechanical linkage positioning\u003c\/li\u003e\n\u003cli\u003eEducational robotics systems\u003c\/li\u003e\n\u003cli\u003eDIY automation mechanisms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eSize: 40 x 20 x 40 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 99 g\u003c\/li\u003e\n\u003cli\u003eGear Ratio: 342\u003c\/li\u003e\n\u003cli\u003eBearing: Double Bearing\u003c\/li\u003e\n\u003cli\u003eConnector Wire Length: 300 ± 5 mm\u003c\/li\u003e\n\u003cli\u003eMotor: 3-Pole\u003c\/li\u003e\n\u003cli\u003eWaterproof Performance: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 x Servo Motor\u003c\/li\u003e\n\u003cli\u003e1 x Large U-Shaped Metal Mounting Bracket\u003c\/li\u003e\n\u003cli\u003e1 x Small U-Shaped Metal Mounting Bracket\u003c\/li\u003e\n\u003cli\u003e2 x Round Metal Servo Adapter Discs\u003c\/li\u003e\n\u003cli\u003e1 x Mounting Hardware Set (screws\/bolts)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":50996734427388,"sku":"LGSV018","price":787.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/rds3218-red-90-servo-pwm-wiring.png?v=1787215361","url":"https:\/\/kitsguru.com\/products\/rds3218-90-degree-servo-motor","provider":"KitsGuru","version":"1.0","type":"link"}