{"title":"Servo","description":"","products":[{"product_id":"servomy-sds1901-sg90-mg90s-mini-size-180-degree-hv-digital-coreless-servo","title":"SERVOMY SDS1901 SG90\/MG90S Mini Size, 180 Degree HV Digital Coreless Servo","description":"\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRC car steering\u003c\/li\u003e\n  \u003cli\u003eCompact RC platforms\u003c\/li\u003e\n  \u003cli\u003eFixed-wing aircraft control surfaces\u003c\/li\u003e\n  \u003cli\u003eMicro helicopter linkages\u003c\/li\u003e\n  \u003cli\u003eRobotics and DIY motion control\u003c\/li\u003e\n  \u003cli\u003ePan-tilt mechanisms and small actuators\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003e\n  The SERVOMY SDS1901 is a 9g-size(19G ACTUAL WEIGHT) micro servo built for users who need standard micro-servo mounting compatibility, higher voltage support, and stronger mechanical construction than entry-level plastic micro servos. It is designed to fit common 9g-size installation spaces while offering a full metal case, metal gears, digital control, and a coreless motor in a compact format.\n\u003c\/p\u003e\n\u003cp\u003e\n  With an operating voltage range of 5.0V to 8.4V, the SDS1901 works with common 5V, 6V, 7.4V, and 8.4V setups. At 8.4V, it provides up to 9.2 kgf·cm stall torque and 0.07 sec\/60° speed. For RC car steering, small aircraft control surfaces, helicopter mechanisms, robotic joints, and pan-tilt assemblies, these are practical, meaningful specifications rather than marketing-only claims.\n\u003c\/p\u003e\n\u003cp\u003e\n  The digital control system uses PWM input, with a recommended operating pulse width of 1000-2000 μs and an input range of 500-2500 μs. Combined with a 2 μs dead band, 1520 μs neutral signal, and up to 333 Hz refresh rate, the servo is built for responsive command tracking and steady centering behavior.\n\u003c\/p\u003e\n\u003cp\u003e\n  Mechanically, the SDS1901 uses a full metal case, metal gears, 1 ball bearing, a 390:1 reduction ratio, and a 21T 4.9 mm output spline. The servo dimensions are 24 x 12 x 22 mm, with a weight of 19 g and a lead length of 310 ± 10 mm using 26 AWG wire. An aluminum servo horn is included in the package for added installation value.\n\u003c\/p\u003e\n\u003cp\u003e\n  This model is intended for users who want a compact servo that fits common 9g-size mounting spaces but need a more robust build and broader voltage compatibility than basic micro servo options.\n\u003c\/p\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cp\u003e\n  Model: SDS1901\u003cbr\u003e\n  Servo Type: Digital Micro Servo\u003cbr\u003e\n  Motor Type: Coreless\u003cbr\u003e\n  Operating Voltage: DC 5.0V-8.4V\u003cbr\u003e\n  Dimensions: 24 x 12 x 22 mm\u003cbr\u003e\n  Weight: 19 g\u003cbr\u003e\n  Case Material: Full Metal\u003cbr\u003e\n  Gear Material: Metal\u003cbr\u003e\n  Bearing: 1 Ball Bearing\u003cbr\u003e\n  Output Spline: 21T, 4.9 mm\u003cbr\u003e\n  Wire Length: 310 ± 10 mm\u003cbr\u003e\n  Wire Gauge: 26 AWG\u003cbr\u003e\n  Signal Wire: Yellow\u003cbr\u003e\n  Positive Wire: Red\u003cbr\u003e\n  Negative Wire: Brown\u003cbr\u003e\n  Control System: PWM\u003cbr\u003e\n  Recommended Pulse Width: 1000-2000 μs\u003cbr\u003e\n  Input Pulse Range: 500-2500 μs\u003cbr\u003e\n  Dead Band Width: 2 μs\u003cbr\u003e\n  Neutral \/ Refresh Rate: 1520 μs \/ 333 Hz\u003cbr\u003e\n  Rotation Direction: Forward \/ Reverse\u003cbr\u003e\n  Waterproof: No\u003cbr\u003e\n  Operating Temperature: -10°C to 50°C\u003cbr\u003e\n  Reduction Ratio: 390:1\u003cbr\u003e\n  Angle Sensor: Potentiometer\n\u003c\/p\u003e\n\n\u003ch3\u003eSpeed（No-Load Speed）:\u003c\/h3\u003e\n\u003cp\u003e\n  5.0V: 0.16 sec\/60°\u003cbr\u003e\u003cbr\u003e\n  6.0V: 0.13 sec\/60°\u003cbr\u003e\u003cbr\u003e\n  7.4V: 0.09 sec\/60°\u003cbr\u003e\u003cbr\u003e\n  8.4V: 0.07 sec\/60°\n\u003c\/p\u003e\n\n\u003ch3\u003eStall Torque:\u003c\/h3\u003e\n\u003cp\u003e\n  5.0V: 6.8 kgf·cm\u003cbr\u003e\u003cbr\u003e\n  6.0V: 7.5 kgf·cm\u003cbr\u003e\u003cbr\u003e\n  7.4V: 8.0 kgf·cm\u003cbr\u003e\u003cbr\u003e\n  8.4V: 9.2 kgf·cm\n\u003c\/p\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cp\u003e\n  1 x SDS1901 Micro Servo\u003cbr\u003e\u003cbr\u003e\n  1 x Aluminum Servo Horn\u003cbr\u003e\u003cbr\u003e\n  1 x Servo Accessories Set\n\u003c\/p\u003e\n","brand":"RoboFusion","offers":[{"title":"Default Title","offer_id":52508376596799,"sku":"X00525CZO3","price":29.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/5241\/8879\/files\/1.png?v=1774032996"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/5241\/8879\/collections\/1.png?v=1778592189","url":"https:\/\/robofusion.ca\/fr\/collections\/servo.oembed","provider":"RoboFusion","version":"1.0","type":"link"}