Free Electronics 3D Models

190 3D parts in Electronics & PCB · Clear all

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  80 mm axial cooling fan

  80 mm axial cooling fan, modeled from published dimensions. Overall 80 x 80 x 25 mm. Key dimensions: mount pitch 71.5 mm; mount hole 4.3 mm; rotor diameter 73.6 mm; blade count 7. Original unbranded housing, rotor and fin designs. Published Noctua form factors and mounting-center grids are used as dimensional references only; 4.3 mm mounting holes and fin dimensions are explicit nominal library choices. No vendor blade geometry copied. Cables, motor internals and bearings omitted. No airflow, acoustic, thermal or electrical performance claim. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  440 KBDetails & download
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  40 mm axial cooling fan

  40 mm axial cooling fan, modeled from published dimensions. Overall 40 x 40 x 10 mm. Key dimensions: mount pitch 32 mm; mount hole 4.3 mm; rotor diameter 36.8 mm; blade count 7. Original unbranded housing, rotor and fin designs. Published Noctua form factors and mounting-center grids are used as dimensional references only; 4.3 mm mounting holes and fin dimensions are explicit nominal library choices. No vendor blade geometry copied. Cables, motor internals and bearings omitted. No airflow, acoustic, thermal or electrical performance claim. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  439 KBDetails & download
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  120 mm axial cooling fan

  120 mm axial cooling fan, modeled from published dimensions. Overall 120 x 120 x 25 mm. Key dimensions: mount pitch 105 mm; mount hole 4.3 mm; rotor diameter 110.4 mm; blade count 7. Original unbranded housing, rotor and fin designs. Published Noctua form factors and mounting-center grids are used as dimensional references only; 4.3 mm mounting holes and fin dimensions are explicit nominal library choices. No vendor blade geometry copied. Cables, motor internals and bearings omitted. No airflow, acoustic, thermal or electrical performance claim. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  440 KBDetails & download
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  PIR motion sensor module

  PIR motion sensor module, modeled from published dimensions. Overall 32.3 x 24 x 27.1 mm. Key dimensions: nominal lens diameter 23 mm; header pitch 2.5 mm. Original PIR module layout using the Adafruit #189 32.34 x 24.03 mm board-size reference. Lens, mounting pattern, trimmers and reverse components are nominal reconstructions. Decorative latitude bands are not a Fresnel optical prescription. No detection-angle or electronics performance simulation. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  343 KBDetails & download
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  HC-SR04 ultrasonic module

  HC-SR04 ultrasonic module, modeled from published dimensions. Overall 45 x 20 x 22.6 mm. Key dimensions: transducer diameter 16 mm; transducer center pitch 26 mm; header pitch 2.5 mm. Elecfreaks HC-SR04 datasheet hosted by SparkFun supplies the nominal 45 x 20 x 15 mm module class. Original reconstructed cans, grille, mounting holes and reverse components. Added straight header increases depth beyond the source bare-module envelope. Undimensioned mounting centers and can positions are nominal choices; check the actual board revision for enclosure fit. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  555 KBDetails & download
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  DHT22 temperature / humidity sensor

  DHT22 temperature / humidity sensor, modeled from published dimensions. Overall 15.1 x 7.7 x 33.6 mm. Key dimensions: height with tab 25.1 mm; mount hole 3 mm; lead pitch nominal 2.5 mm; lead length 8.5 mm. Aosong DHT22 drawing supplies 15.1 x 7.7 x 20 mm housing, 25.1 mm ear height, 3 mm mounting hole, 8.5 mm leads and 0.5 mm lead width. Nominal 2.5 mm lead pitch is reconstructed from the 2.0 mm inter-lead space plus 0.5 mm lead width. Vent pattern, ear-hole center and internal cavity are reconstructed; electronics omitted. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  982 KBDetails & download
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  0.96-inch OLED breakout

  0.96-inch OLED breakout, modeled from published dimensions. Overall 38.1 x 28.4 x 12 mm. Key dimensions: header pitch 2.5 mm. Original dimensional reconstruction of the Adafruit original-version 0.96-inch breakout format: 1.50 x 1.12 inch PCB, mounting centers at the 0.12/1.38 inch X and 0.12/1.00 inch Y datums shown in the fabrication print. 3.2 mm mounting drill, panel placement, small components and housing detail are nominal. No logos or electrical design copied. Display text is illustrative. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  965 KBDetails & download
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  7-inch LCD panel with ribbon

  7-inch LCD panel with ribbon, modeled from published dimensions. Overall 164.9 x 146.1 x 3.5 mm. Key dimensions: fpc pitch 0.5 mm. Bare 7-inch LCD panel, using Waveshare-hosted 164.9 x 100 x 3.5 mm panel envelope, 153.84 x 85.63 mm active area and ribbon dimensions. Active-area centering, simplified flex outline and contact arrangement are nominal; separate HDMI controller PCB and touch glass are not included. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  731 KBDetails & download
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  16 x 2 character LCD

  16 x 2 character LCD, modeled from published dimensions. Overall 80 x 36 x 19.5 mm. Key dimensions: header pitch 2.5 mm. PCB envelope, 75 x 31 mm mounting grid with 2.5 mm drills, 16-pin 2.54 mm grid and bezel/view area follow Newhaven NHD-0216K1Z drawing. Original reconstructed depth stack, nominal reverse-side controller and illustrative text. Supplied header increases the bare-module depth; electronics and display timing are not modeled. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

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  Miniature SPDT toggle switch

  Miniature SPDT toggle switch, modeled from published dimensions. Overall 12.7 x 9 x 30.9 mm. Key dimensions: mount thread M6 x 0.75 nominal; lug pitch 4.7 mm. Original reconstructed component. Tactile switch uses the C&K 6 mm class and 6.5 x 4.5 mm pin grid; rotary encoder uses ALPS EC11E drawing 2 principal envelope/pin-grid dimensions. Toggle and rocker are original nominal library designs. Small contours, internal switch parts and terminal transitions are simplified; no electrical ratings are assigned. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  596 KBDetails & download
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  6 mm tactile switch

  6 mm tactile switch, modeled from published dimensions. Overall 7 x 6 x 7.8 mm. Key dimensions: total button height 4.3 mm. Original reconstructed component. Tactile switch uses the C&K 6 mm class and 6.5 x 4.5 mm pin grid; rotary encoder uses ALPS EC11E drawing 2 principal envelope/pin-grid dimensions. Toggle and rocker are original nominal library designs. Small contours, internal switch parts and terminal transitions are simplified; no electrical ratings are assigned. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  189 KBDetails & download
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  Panel rocker switch

  Panel rocker switch, modeled from published dimensions. Overall 21 x 15 x 21.8 mm. Key dimensions: blade width 4.8 mm. Original reconstructed component. Tactile switch uses the C&K 6 mm class and 6.5 x 4.5 mm pin grid; rotary encoder uses ALPS EC11E drawing 2 principal envelope/pin-grid dimensions. Toggle and rocker are original nominal library designs. Small contours, internal switch parts and terminal transitions are simplified; no electrical ratings are assigned. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  140 KBDetails & download
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  EC11-style rotary encoder with push switch

  EC11-style rotary encoder with push switch, modeled from published dimensions. Overall 12.8 x 14.8 x 28.4 mm. Key dimensions: shaft diameter 6 mm; shaft from front 20 mm; signal pin pitch 2.5 mm; board lug spacing 12.5 mm. Original reconstructed component. Tactile switch uses the C&K 6 mm class and 6.5 x 4.5 mm pin grid; rotary encoder uses ALPS EC11E drawing 2 principal envelope/pin-grid dimensions. Toggle and rocker are original nominal library designs. Small contours, internal switch parts and terminal transitions are simplified; no electrical ratings are assigned. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  231 KBDetails & download
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  USB-C receptacle

  USB-C receptacle, modeled from published dimensions. Overall 9.3 x 10 x 4.4 mm. Key dimensions: contact pitch 0.5 mm. Original reconstructed connector model with explicitly stated nominal layout dimensions. USB-C mouth and shell datums follow the Same Sky UJ31-CH-G1 drawing; other connector envelopes are generic library choices. Contacts, shell tabs and solder tails are simplified. This is not a manufacturer-approved PCB footprint or a connector interoperability certification. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  548 KBDetails & download
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  USB-A receptacle

  USB-A receptacle, modeled from published dimensions. Overall 14 x 14.5 x 10 mm. Key dimensions: contact pitch 2.5 mm. Original reconstructed connector model with explicitly stated nominal layout dimensions. USB-C mouth and shell datums follow the Same Sky UJ31-CH-G1 drawing; other connector envelopes are generic library choices. Contacts, shell tabs and solder tails are simplified. This is not a manufacturer-approved PCB footprint or a connector interoperability certification. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  177 KBDetails & download
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  RJ45 modular jack

  RJ45 modular jack, modeled from published dimensions. Overall 16 x 21 x 16.5 mm. Key dimensions: contact pitch 1 mm. Original reconstructed connector model with explicitly stated nominal layout dimensions. USB-C mouth and shell datums follow the Same Sky UJ31-CH-G1 drawing; other connector envelopes are generic library choices. Contacts, shell tabs and solder tails are simplified. This is not a manufacturer-approved PCB footprint or a connector interoperability certification. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  270 KBDetails & download
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  HDMI Type-A receptacle

  HDMI Type-A receptacle, modeled from published dimensions. Overall 15 x 11 x 8.6 mm. Key dimensions: contacts 19; contact pitch 0.5 mm. Original reconstructed connector model with explicitly stated nominal layout dimensions. USB-C mouth and shell datums follow the Same Sky UJ31-CH-G1 drawing; other connector envelopes are generic library choices. Contacts, shell tabs and solder tails are simplified. This is not a manufacturer-approved PCB footprint or a connector interoperability certification. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  406 KBDetails & download
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  5.5 / 2.1 mm DC barrel jack

  5.5 / 2.1 mm DC barrel jack, modeled from published dimensions. Overall 9 x 14.4 x 14 mm. Key dimensions: plug outer diameter 5.5 mm; center pin 2.1 mm. Original reconstructed connector model with explicitly stated nominal layout dimensions. USB-C mouth and shell datums follow the Same Sky UJ31-CH-G1 drawing; other connector envelopes are generic library choices. Contacts, shell tabs and solder tails are simplified. This is not a manufacturer-approved PCB footprint or a connector interoperability certification. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  77 KBDetails & download
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  LiPo pack with XT60 and JST-XH balance lead

  LiPo pack with XT60 and JST-XH balance lead, modeled from published dimensions. Overall 105 x 76.5 x 25 mm. Key dimensions: xt60 contact pitch 7.2 mm; xt60 contact bore 3.5 mm; jst xh pitch 2.5 mm; balance circuits 3. Original nominal 105 x 35 x 25 mm pack layout. XT60-family polarized socket and JST-XH 3-circuit balance connector are reconstructed; JST source establishes 2.5 mm pitch. Undimensioned housings, wire gauges and lead lengths are selected library values, not exact manufacturer tooling. No capacity, chemistry performance, pinout certification or electrical design is provided. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  239 KBDetails & download
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  2-cell 18650 holder

  2-cell 18650 holder, modeled from published dimensions. Overall 42 x 76 x 16 mm. Key dimensions: cells 2; cell diameter clearance 19 mm; contact spacing nominal 67.6 mm. Cell envelope uses Molicel P28A maximum diameter 18.6 mm and height 65.2 mm. Terminal shapes and wrap are original simplified details; no manufacturer markings are copied. Holder and pack geometry are original nominal library designs. Series tabs illustrate alternating cell orientation. Protection, electrical insulation stack, wiring and enclosure integration are not an engineered battery system; this model makes no capacity or electrical performance claim. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  376 KBDetails & download
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  1-cell 18650 holder

  1-cell 18650 holder, modeled from published dimensions. Overall 22 x 76 x 16 mm. Key dimensions: cells 1; cell diameter clearance 19 mm; contact spacing nominal 67.6 mm. Cell envelope uses Molicel P28A maximum diameter 18.6 mm and height 65.2 mm. Terminal shapes and wrap are original simplified details; no manufacturer markings are copied. Holder and pack geometry are original nominal library designs. Series tabs illustrate alternating cell orientation. Protection, electrical insulation stack, wiring and enclosure integration are not an engineered battery system; this model makes no capacity or electrical performance claim. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  169 KBDetails & download
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  18650 cell, maximum envelope

  18650 cell, maximum envelope, modeled from published dimensions. Overall 18.6 x 18.6 x 65.2 mm. Cell envelope uses Molicel P28A maximum diameter 18.6 mm and height 65.2 mm. Terminal shapes and wrap are original simplified details; no manufacturer markings are copied. Holder and pack geometry are original nominal library designs. Series tabs illustrate alternating cell orientation. Protection, electrical insulation stack, wiring and enclosure integration are not an engineered battery system; this model makes no capacity or electrical performance claim. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  30 KBDetails & download
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  4S 18650 pack layout

  4S 18650 pack layout, modeled from published dimensions. Overall 80 x 21.5 x 65.6 mm. Key dimensions: series cells 4; cell pitch 19.5 mm. Cell envelope uses Molicel P28A maximum diameter 18.6 mm and height 65.2 mm. Terminal shapes and wrap are original simplified details; no manufacturer markings are copied. Holder and pack geometry are original nominal library designs. Series tabs illustrate alternating cell orientation. Protection, electrical insulation stack, wiring and enclosure integration are not an engineered battery system; this model makes no capacity or electrical performance claim. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  272 KBDetails & download
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  2S 18650 pack layout

  2S 18650 pack layout, modeled from published dimensions. Overall 41 x 21.5 x 65.4 mm. Key dimensions: series cells 2; cell pitch 19.5 mm. Cell envelope uses Molicel P28A maximum diameter 18.6 mm and height 65.2 mm. Terminal shapes and wrap are original simplified details; no manufacturer markings are copied. Holder and pack geometry are original nominal library designs. Series tabs illustrate alternating cell orientation. Protection, electrical insulation stack, wiring and enclosure integration are not an engineered battery system; this model makes no capacity or electrical performance claim. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  161 KBDetails & download

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