{"product_id":"chihai-chf-gw12t-10by-miniature-worm-geared-stepper-motor","title":"CHIHAI CHF-GW12T-10BY Miniature Worm Geared Stepper Motor","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe \u003ca class=\"tophitek-context-link\" href=\"https:\/\/rcdrone.top\/collections\/chihai-motor\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003eCHIHAI MOTOR\u003c\/a\u003e CHF-GW12T-10BY is a miniature geared \u003ca href=\"https:\/\/rcdrone.top\/collections\/electric-motors\"\u003estepper motor\u003c\/a\u003e combining a two-phase, four-wire motor with all-metal reduction gears and a worm transmission. The compact mechanism suits positioning tasks where small size and resistance to back-driving are useful. Select a motor-only package or a reciprocating driver with or without an enclosure.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e18-degree motor steps reduced through a selectable gear train.\u003c\/li\u003e\n\u003cli\u003e3 mm D-shaped output shaft and approximately 12 g motor mass.\u003c\/li\u003e\n\u003cli\u003eWorm transmission with power-off self-locking behavior; design loads within the actual mechanism limits.\u003c\/li\u003e\n\u003cli\u003eAttached four-wire terminal lead set.\u003c\/li\u003e\n\u003cli\u003eDriver packages include the selected new reciprocating controller.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eCHF-GW12T-10BY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eTwo-phase, four-wire miniature geared stepper; all-metal gears and worm transmission\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC motor reference; suitable two-phase driver required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor step angle\u003c\/td\u003e\n\u003ctd\u003e18 degrees before reduction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput shaft\u003c\/td\u003e\n\u003ctd\u003e3 mm diameter, D-flat 2.5 mm; shaft projection drawing 8.0 +\/-0.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft-length note\u003c\/td\u003e\n\u003ctd\u003eText block gives 9 mm while drawing\/table gives 8 mm; verify actual shaft before machining\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor mass\u003c\/td\u003e\n\u003ctd\u003eApproximately 12 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase current\u003c\/td\u003e\n\u003ctd\u003e128 mA per phase, 5V\/L6219 reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase resistance\u003c\/td\u003e\n\u003ctd\u003e39 ohm +\/-7% per phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase inductance\u003c\/td\u003e\n\u003ctd\u003e14.3 mH per phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003e1.25-4Y, UL1571 AWG30, 105 degrees C wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring\u003c\/td\u003e\n\u003ctd\u003eWhite A+, Red A-, Black B-, Brown B+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse reference\u003c\/td\u003e\n\u003ctd\u003eStarting frequency \u0026gt;1200 PPS; response frequency \u0026gt;900 PPS under the stated driver reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-off behavior\u003c\/td\u003e\n\u003ctd\u003eWorm transmission provides self-locking resistance; no independent rated power-off holding load established\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eRatio and Torque References\u003c\/h2\u003e\u003cp\u003eThe 1030:1 column is a series reference only: all 1030:1 source options have zero stock and are excluded. The remaining five nominal ratios are selectable. Holding torque and pull-out torque are different operating values, not payload ratings.\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eNominal ratio\u003c\/th\u003e\n\u003cth\u003eActual ratio\u003c\/th\u003e\n\u003cth\u003eOutput step angle (degrees)\u003c\/th\u003e\n\u003cth\u003eHolding kgf·cm\u003c\/th\u003e\n\u003cth\u003ePull-out kgf·cm\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e42\u003c\/td\u003e\n\u003ctd\u003e42.0\u003c\/td\u003e\n\u003ctd\u003e0.429\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e0.12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118\u003c\/td\u003e\n\u003ctd\u003e118.067\u003c\/td\u003e\n\u003ctd\u003e0.1525\u003c\/td\u003e\n\u003ctd\u003e1.40\u003c\/td\u003e\n\u003ctd\u003e0.35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e236\u003c\/td\u003e\n\u003ctd\u003e236.133\u003c\/td\u003e\n\u003ctd\u003e0.0762\u003c\/td\u003e\n\u003ctd\u003e2.80\u003c\/td\u003e\n\u003ctd\u003e0.70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e302\u003c\/td\u003e\n\u003ctd\u003e302.726\u003c\/td\u003e\n\u003ctd\u003e0.0597\u003c\/td\u003e\n\u003ctd\u003eMaximum allowed 3.0\u003c\/td\u003e\n\u003ctd\u003e0.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e603\u003c\/td\u003e\n\u003ctd\u003e603.452\u003c\/td\u003e\n\u003ctd\u003e0.0298\u003c\/td\u003e\n\u003ctd\u003eMaximum allowed 3.0\u003c\/td\u003e\n\u003ctd\u003e1.80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1030\u003c\/td\u003e\n\u003ctd\u003e1030.42\u003c\/td\u003e\n\u003ctd\u003e0.0177\u003c\/td\u003e\n\u003ctd\u003eMaximum allowed 3.0\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eFull-Step Drive Test Reference\u003c\/h2\u003e\u003cp\u003eThese values apply to the unreduced motor in full-step mode with a 39 ohm winding. Divide motor rpm by the actual reduction ratio for gearbox-output rpm. The 3.7V and 6V columns are test conditions, not alternative nominal package voltages. Choose a drive condition that avoids pronounced resonance. With a non-current-limiting driver, supply voltage equals back EMF plus current times winding resistance.\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTest voltage\u003c\/th\u003e\n\u003cth\u003eMaximum frequency \/ motor rpm \/ current\u003c\/th\u003e\n\u003cth\u003eMinimum frequency \/ motor rpm \/ current\u003c\/th\u003e\n\u003cth\u003e0 Hz locked current\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e6V\u003c\/td\u003e\n\u003ctd\u003e1400 Hz \/ 4200 rpm \/ ≤0.12 A\u003c\/td\u003e\n\u003ctd\u003e800 Hz \/ 2400 rpm \/ ≤0.18 A\u003c\/td\u003e\n\u003ctd\u003e≤0.30 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003ctd\u003e1300 Hz \/ 3900 rpm \/ ≤0.085 A\u003c\/td\u003e\n\u003ctd\u003e700 Hz \/ 2100 rpm \/ ≤0.155 A\u003c\/td\u003e\n\u003ctd\u003e≤0.25 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3.7V\u003c\/td\u003e\n\u003ctd\u003e800 Hz \/ 2400 rpm \/ ≤0.085 A\u003c\/td\u003e\n\u003ctd\u003e500 Hz \/ 1500 rpm \/ ≤0.125 A\u003c\/td\u003e\n\u003ctd\u003e≤0.19 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eAt higher drive frequency, output torque decreases; lower frequency provides greater torque within the usable range. Do not combine separate test conditions into a guaranteed operating envelope.\u003c\/p\u003e\u003ch2\u003eWiring and Driver Selection\u003c\/h2\u003e\u003cp\u003eConnect the two phases as White A+ \/ Red A- and Brown B+ \/ Black B-. Match phase polarity and connector orientation to the selected driver. The numbered wire list and drawn connector pin-order table differ; confirm actual orientation and phase continuity before connection. This is a stepper motor requiring controlled phase excitation; do not power the motor as an ordinary two-wire DC motor.\u003c\/p\u003e\u003cp\u003eThe new reciprocating driver board shown in the selected package is distinct from the older single-digit controller in the optional-accessory reference. The older controller reference lists an inner jumper setting for 6-18V and an outer setting for 4-6V, with a recommended 6-12V supply. Those ranges are retained only for that pictured older controller; they do not establish the input rating of the new driver. Check the actual selected board markings before power connection.\u003c\/p\u003e\u003ch2\u003eMechanical Installation\u003c\/h2\u003e\u003cp\u003eDrawing references include a 12 mm gearbox face width, 8.50 mm hole spacing, 2 holes diameter1.4 mm, 28.6 mm body envelope and approximately75 +\/-10 mm lead length. Verify the 8 mm drawing versus9 mm text shaft-length discrepancy before machining. The flange-coupler reference has diameter22 mm outer flange,diameter10 mm hub,4 holes diameter3.0 mm on16 mm reference spacing,12 mm overall axial reference,2 mm flange thickness,M3 threads and8 mm hub length; this coupler is not included in any listed package.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSmall robot and smart-home motion mechanisms.\u003c\/li\u003e\n\u003cli\u003eMiniature stage and compact positioning fixtures.\u003c\/li\u003e\n\u003cli\u003eCamera-stick and automatic rotating mechanisms with suitable external phase control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cp\u003eMotor Only: one motor with its attached four-wire lead set. Driver packages: one motor plus one new reciprocating driver, with an enclosure only when named in the option. Flange coupler, power supply and complete application devices are not included.\u003c\/p\u003e\u003ch2\u003eInstallation and Operation\u003c\/h2\u003e\u003cp\u003eDo not overload, stall or force the output shaft. Avoid sustained resonance and rapid repeated reversing. Match motor phase wiring and driver power requirements before energizing. Generic seller policies and DC brushed-motor supply instructions do not apply to this two-phase stepper.\u003c\/p\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eCan the motor run directly from two DC power leads?\u003c\/h3\u003e\u003cp\u003eNo. It requires a two-phase stepper driver and the correct four-wire phase connections.\u003c\/p\u003e\u003ch3\u003eDoes every package include a controller enclosure?\u003c\/h3\u003e\u003cp\u003eNo. Motor-only has no controller; the two driver packages differ by enclosure inclusion.\u003c\/p\u003e\u003ch3\u003eCan I order the 1030:1 ratio here?\u003c\/h3\u003e\u003cp\u003eNo. It is shown only as a series reference; the five available ratios run from42:1 to603:1.\u003c\/p\u003e\u003ch3\u003eIs the flange coupler included?\u003c\/h3\u003e\u003cp\u003eNo. It is a mechanical accessory reference and is not included in the listed packages.\u003c\/p\u003e\u003ch2\u003eVisual Details\u003c\/h2\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chf-gw12t-10by-dimensions.webp?v=1792669991\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"CHF-GW12T-10BY mechanical dimensions and phase wiring; shaft projection8.0+\/-0.3mm\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chf-gw12t-10by-dimensions.webp?v=1792669991\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eCHF-GW12T-10BY mechanical dimensions and phase wiring; shaft projection8.0+\/-0.3mm\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chf-gw12t-10by-ratio-specs.webp?v=1792669995\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"Stepper and ratio specifications\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chf-gw12t-10by-ratio-specs.webp?v=1792669995\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eStepper and ratio specifications\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chf-gw12t-10by-drive-tests.webp?v=1792670000\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"Full-step motor test references\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chf-gw12t-10by-drive-tests.webp?v=1792670000\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eFull-step motor test references\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chf-gw12t-10by-package-guide.webp?v=1792670005\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"Package and installation guide\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chf-gw12t-10by-package-guide.webp?v=1792670005\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003ePackage and installation guide\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chf-gw12t-10by-older-controller.webp?v=1792670009\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"Older driver reference - different from package\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chf-gw12t-10by-older-controller.webp?v=1792670009\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eOlder driver reference - different from package\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chf-gw12t-10by-coupler-reference.webp?v=1792670014\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"Flange coupler mechanical reference;not included in any listed package\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chf-gw12t-10by-coupler-reference.webp?v=1792670014\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eFlange coupler mechanical reference;not included in any listed package\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"CHIHAI MOTOR","offers":[{"title":"Motor Only \/ 42:1","offer_id":68092398338272,"sku":"CHF-GW12T10BY-6875-01","price":29.62,"currency_code":"USD","in_stock":true},{"title":"Motor Only \/ 118:1","offer_id":68092398371040,"sku":"CHF-GW12T10BY-6875-02","price":29.62,"currency_code":"USD","in_stock":true},{"title":"Motor Only \/ 236:1","offer_id":68092398403808,"sku":"CHF-GW12T10BY-6875-03","price":29.62,"currency_code":"USD","in_stock":true},{"title":"Motor Only \/ 302:1","offer_id":68092398436576,"sku":"CHF-GW12T10BY-6875-04","price":29.62,"currency_code":"USD","in_stock":true},{"title":"Motor Only \/ 603:1","offer_id":68092398469344,"sku":"CHF-GW12T10BY-6875-05","price":29.62,"currency_code":"USD","in_stock":true},{"title":"Motor + Reciprocating Driver \/ 42:1","offer_id":68092398502112,"sku":"CHF-GW12T10BY-6875-07","price":45.15,"currency_code":"USD","in_stock":true},{"title":"Motor + Reciprocating Driver \/ 118:1","offer_id":68092398534880,"sku":"CHF-GW12T10BY-6875-08","price":45.15,"currency_code":"USD","in_stock":true},{"title":"Motor + Reciprocating Driver \/ 236:1","offer_id":68092398567648,"sku":"CHF-GW12T10BY-6875-09","price":45.15,"currency_code":"USD","in_stock":true},{"title":"Motor + Reciprocating Driver \/ 302:1","offer_id":68092398600416,"sku":"CHF-GW12T10BY-6875-10","price":45.15,"currency_code":"USD","in_stock":true},{"title":"Motor + Reciprocating Driver \/ 603:1","offer_id":68092398633184,"sku":"CHF-GW12T10BY-6875-11","price":45.15,"currency_code":"USD","in_stock":true},{"title":"Motor + Enclosed Reciprocating Driver \/ 42:1","offer_id":68092398665952,"sku":"CHF-GW12T10BY-6875-13","price":47.08,"currency_code":"USD","in_stock":true},{"title":"Motor + Enclosed Reciprocating Driver \/ 118:1","offer_id":68092398698720,"sku":"CHF-GW12T10BY-6875-14","price":47.08,"currency_code":"USD","in_stock":true},{"title":"Motor + Enclosed Reciprocating Driver \/ 236:1","offer_id":68092398731488,"sku":"CHF-GW12T10BY-6875-15","price":47.08,"currency_code":"USD","in_stock":true},{"title":"Motor + Enclosed Reciprocating Driver \/ 302:1","offer_id":68092398764256,"sku":"CHF-GW12T10BY-6875-16","price":47.08,"currency_code":"USD","in_stock":true},{"title":"Motor + Enclosed Reciprocating Driver \/ 603:1","offer_id":68092398797024,"sku":"CHF-GW12T10BY-6875-17","price":47.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/chf-gw12t-10by-g5.jpg?v=1792670018","url":"https:\/\/rcdrone.top\/products\/chihai-chf-gw12t-10by-miniature-worm-geared-stepper-motor","provider":"RCDrone","version":"1.0","type":"link"}