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4 mm Electromechanical

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Speakers & Transducers TRANSDUCER 3V0-P 70DB 4000HZ SMT-0440-T-HT-R PUI Audio 1: HK$26.39 9,088In Stock	Mfr. Part No. SMT-0440-T-HT-R Mouser Part No 665-SMT0440THTR	PUI Audio	Speakers & Transducers TRANSDUCER 3V0-P 70DB 4000HZ Learn More about PUI Audio puiaudio smt 0440 series	Datasheet	9,088In Stock	Cut Tape HK$26.39 HK$20.14 HK$18.17 HK$16.36 View Reel HK$11.26 HK$15.21 HK$14.14 HK$12.91 HK$11.34 HK$11.26	Min.: 1 Mult.: 1 : 3,000
Tactile Switches GULL-WING SMT MJTP1140A Apem 1: HK$17.67 1,943In Stock	Mfr. Part No. MJTP1140A Mouser Part No 642-MJTP1140A	Apem	Tactile Switches GULL-WING SMT	Datasheet	1,943In Stock	HK$17.67 HK$16.19 HK$14.80 HK$10.36 View HK$8.71 HK$7.90 HK$5.38	Min.: 1 Mult.: 1
Tactile Switches 0.05A 12VDC 1.57N SW Tactile Button 1571262-1 TE Connectivity / P&B 1: HK$13.40 6,145In Stock	Mfr. Part No. 1571262-1 Mouser Part No 506-1571262-1	TE Connectivity / P&B	Tactile Switches 0.05A 12VDC 1.57N SW Tactile Button	Datasheet	6,145In Stock	HK$13.40 HK$12.00 HK$11.51 HK$10.44 View HK$9.70 HK$9.21 HK$8.71 HK$7.35 HK$7.14	Min.: 1 Mult.: 1
Tactile Switches Tact Switch, SMD 4mm x 4mm Apem MJTP1140TR MJTP1140TR Apem 1: HK$13.97 4,269In Stock	Mfr. Part No. MJTP1140TR Mouser Part No 642-MJTP1140TR	Apem	Tactile Switches Tact Switch, SMD 4mm x 4mm	Datasheet	4,269In Stock	Cut Tape HK$13.97 HK$11.84 HK$11.51 Reel HK$11.51	Min.: 1 Mult.: 1 : 3,400
Speakers & Transducers Magnetic Transducer SMT 4mm 3V 4.0kHz Sq MT-SMT04-0340-SK VCC 1: HK$24.08 2,960In Stock New Product	Mfr. Part No. MT-SMT04-0340-SK Mouser Part No 593-MT-SMT04-0340-SK New Product	VCC	Speakers & Transducers Magnetic Transducer SMT 4mm 3V 4.0kHz Sq Learn More about VCC mt magnetic transducers	Datasheet	2,960In Stock	Cut Tape HK$24.08 HK$18.33 HK$16.52 HK$15.29 View Reel HK$10.11 HK$13.89 HK$12.91 HK$11.75 HK$10.19 HK$10.11	Min.: 1 Mult.: 1 : 3,000
Tactile Switches 5.9X4mm Res 500m F2.5N Trl 0.23mm SMT SKTKABE010 Alps Alpine 1: HK$9.45 4,454In Stock	Mfr. Part No. SKTKABE010 Mouser Part No 688-SKTKABE010	Alps Alpine	Tactile Switches 5.9X4mm Res 500m F2.5N Trl 0.23mm SMT Learn More about Alps Alpine alps sktk tact switch		4,454In Stock	Cut Tape HK$9.45 HK$8.55 HK$7.77 HK$7.13 View Reel HK$4.60 HK$6.74 HK$6.46 HK$4.60 HK$4.60 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Tactile Switches Tact Switch TC017L-N11B2ETUBXX Well Buying 1: HK$78.83 397In Stock	Mfr. Part No. TC017L-N11B2ETUBXX Mouser Part No 107-TC017LN11B2ETUBX	Well Buying	Tactile Switches Tact Switch	Datasheet	397In Stock	Cut Tape HK$78.83 HK$63.13 HK$28.36 Reel HK$25.56 HK$20.96 View HK$19.07 HK$17.51 Quote	Min.: 1 Mult.: 1 : 400
Solid State Relays - SSRs SOLID STATE RELAY TUV Markings G3NA-220B-UTU DC5-24 Omron Automation and Safety 1: HK$425.14 420In Stock 10On Order	Mfr. Part No. G3NA-220B-UTU DC5-24 Mouser Part No 653-G3NA220BUTUDC524	Omron Automation and Safety	Solid State Relays - SSRs SOLID STATE RELAY TUV Markings	Datasheet	420In Stock 10On Order	HK$425.14 HK$398.67 HK$387.90 HK$374.59 View HK$361.68 HK$355.60 Quote	Min.: 1 Mult.: 1
Detector Switches DE Series 5.6 mm x 5.7 mm, h = 2 mm Detector Switch, REEL DE70HSNCPTR Apem 1: HK$18.08 2,997In Stock	Mfr. Part No. DE70HSNCPTR Mouser Part No 642-DE70HSNCPTR	Apem	Detector Switches DE Series 5.6 mm x 5.7 mm, h = 2 mm Detector Switch, REEL Learn More about Apem de detector switches	Datasheet	2,997In Stock	Cut Tape HK$18.08 HK$15.04 HK$14.71 Reel HK$14.14	Min.: 1 Mult.: 1 : 3,000
Tactile Switches 4.9mm x 4mm SMD Op Force 1.65N EVP-BK2A6B000 Panasonic Industry 1: HK$7.15 7,216In Stock	Mfr. Part No. EVP-BK2A6B000 Mouser Part No 667-EVP-BK2A6B000	Panasonic Industry	Tactile Switches 4.9mm x 4mm SMD Op Force 1.65N Learn More about Panasonic Industry panasonic light touch top push switches	Datasheet	7,216In Stock	Cut Tape HK$7.15 HK$6.25 HK$5.81 HK$5.19 View Reel HK$3.88 HK$4.80 HK$4.54 HK$4.29 HK$4.00 HK$3.88 HK$3.88 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Speakers & Transducers EM 70dB 4000Hz 3 v6k Top Fire SMT-0440-T-R PUI Audio 1: HK$36.25 8,415In Stock 12,000Expected 22/1/2027	Mfr. Part No. SMT-0440-T-R Mouser Part No 665-SMT-0440-T-R	PUI Audio	Speakers & Transducers EM 70dB 4000Hz 3 v6k Top Fire Learn More about PUI Audio puiaudio smt 0440 series	Datasheet	8,415In Stock 12,000Expected 22/1/2027	Cut Tape HK$36.25 HK$27.95 HK$25.24 HK$23.02 View Reel HK$18.00 HK$22.19 HK$19.73 HK$18.17 HK$18.00 HK$18.00 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Detector Switches DETECTOR, SPST, 1mA, Surface Mount TD1260BGQJR E-Switch 1: HK$7.89 3,590In Stock New Product	Mfr. Part No. TD1260BGQJR Mouser Part No 612-TD1260BGQJR New Product	E-Switch	Detector Switches DETECTOR, SPST, 1mA, Surface Mount Learn More about E-Switch e switch td1260 detector switch	Datasheet	3,590In Stock	HK$7.89 HK$6.99 HK$6.63 HK$6.31 View HK$6.02 HK$5.75 HK$5.29 HK$5.06 HK$4.18	Min.: 1 Mult.: 1
Tactile Switches SW TACT SPST 0.05A 12VDC 4MM MJTP1140ATR Apem 1: HK$9.78 4,053In Stock	Mfr. Part No. MJTP1140ATR Mouser Part No 642-MJTP1140ATR	Apem	Tactile Switches SW TACT SPST 0.05A 12VDC 4MM	Datasheet	4,053In Stock	Cut Tape HK$9.78 HK$8.38 HK$8.22 Reel HK$8.22	Min.: 1 Mult.: 1 : 3,400
Solid State Relays - SSRs SOLID STATE RELAY TUV Markings G3NA-205B-UTU DC5-24 Omron Automation and Safety 1: HK$280.71 165In Stock	Mfr. Part No. G3NA-205B-UTU DC5-24 Mouser Part No 653-G3NA205BUTUDC524	Omron Automation and Safety	Solid State Relays - SSRs SOLID STATE RELAY TUV Markings	Datasheet	165In Stock	HK$280.71 HK$267.73 HK$260.49 HK$251.53 View HK$242.82 HK$231.89	Min.: 1 Mult.: 1
Solid State Relays - SSRs SS Relay 10 A 5 to 24 VDC G3NA-210B-UTU DC5-24 Omron Automation and Safety 1: HK$308.33 73In Stock 237Expected 29/10/2026	Mfr. Part No. G3NA-210B-UTU DC5-24 Mouser Part No 653-G3NA210BUTUDC524	Omron Automation and Safety	Solid State Relays - SSRs SS Relay 10 A 5 to 24 VDC	Datasheet	73In Stock 237Expected 29/10/2026	HK$308.33 HK$291.73 HK$282.36 HK$274.05 View HK$265.92 HK$254.74 Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SOLID STATE RELAY TUV Markings G3NA-225B-UTU DC5-24 Omron Automation and Safety 1: HK$597.27 55In Stock	Mfr. Part No. G3NA-225B-UTU DC5-24 Mouser Part No 653-G3NA225BUTUDC524	Omron Automation and Safety	Solid State Relays - SSRs SOLID STATE RELAY TUV Markings	Datasheet	55In Stock	HK$597.27 HK$568.33 HK$548.77 HK$529.94 View HK$511.70 Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SSR 10A DC LOAD TUV MARK G3NA-D210B-UTU DC5-24 Omron Automation and Safety 1: HK$726.32 142In Stock	Mfr. Part No. G3NA-D210B-UTU DC5-24 Mouser Part No 653-G3NAD210BUTUD524	Omron Automation and Safety	Solid State Relays - SSRs SSR 10A DC LOAD TUV MARK	Datasheet	142In Stock	HK$726.32 HK$678.31 HK$656.61 HK$634.09 HK$622.01	Min.: 1 Mult.: 1
Microphones ELECTRET CONDENSER MICROPHONE -24DB AOM-5024L-HD-R PUI Audio 1: HK$37.65 4,794In Stock	Mfr. Part No. AOM-5024L-HD-R Mouser Part No 665-AOM-5024L-HD-R	PUI Audio	Microphones ELECTRET CONDENSER MICROPHONE -24DB Learn More about PUI Audio pui hd condenser microphones	Datasheet	4,794In Stock	HK$37.65 HK$28.44 HK$25.40 HK$23.02 View HK$20.80 HK$18.99 HK$17.92 HK$17.51	Min.: 1 Mult.: 1
Speakers & Transducers EM 70dB 4000Hz 3 v6k Side Fire SMT-0440-S-R PUI Audio 1: HK$35.26 3,398In Stock	Mfr. Part No. SMT-0440-S-R Mouser Part No 665-SMT-0440-S-R	PUI Audio	Speakers & Transducers EM 70dB 4000Hz 3 v6k Side Fire Learn More about PUI Audio puiaudio smt 0440 series	Datasheet	3,398In Stock	Cut Tape HK$35.26 HK$26.96 HK$24.33 HK$22.44 View Reel HK$18.00 HK$20.96 HK$18.99 HK$18.00 HK$18.00 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Tactile Switches SWITCH TACTILE EVP-BK4A1B000 Panasonic Industry 1: HK$6.08 9,698In Stock 20,000Expected 10/12/2026	Mfr. Part No. EVP-BK4A1B000 Mouser Part No 667-EVP-BK4A1B000	Panasonic Industry	Tactile Switches SWITCH TACTILE	Datasheet	9,698In Stock 20,000Expected 10/12/2026	Cut Tape HK$6.08 HK$5.72 HK$5.33 HK$4.75 View Reel HK$3.46 HK$4.41 HK$4.16 HK$3.81 HK$3.61 HK$3.46 HK$3.46 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Tactile Switches 0.05A 12VDC 1.57N SW Tactile Button 1571262-2 TE Connectivity / P&B 1: HK$14.96 7,662In Stock	Mfr. Part No. 1571262-2 Mouser Part No 506-1571262-2	TE Connectivity / P&B	Tactile Switches 0.05A 12VDC 1.57N SW Tactile Button	Datasheet	7,662In Stock	Cut Tape HK$14.96 HK$13.65 HK$12.66 HK$12.08 Reel HK$10.19 View HK$11.59 HK$11.18 HK$10.85 HK$10.03 MouseReel Available	Min.: 1 Mult.: 1 : 3,300
Microphones ELECTRET CONDENSER MICROPHONE -30DB POM-2730L-HD-R PUI Audio 1: HK$29.59 839In Stock	Mfr. Part No. POM-2730L-HD-R Mouser Part No 665-POM-2730L-HD-R	PUI Audio	Microphones ELECTRET CONDENSER MICROPHONE -30DB Learn More about PUI Audio pui hd condenser microphones	Datasheet	839In Stock	HK$29.59 HK$23.18 HK$23.02 HK$21.37 View HK$19.73 HK$18.58 HK$16.93	Min.: 1 Mult.: 1
Switch Actuators Actuator LEVER JM-1 Honeywell 1: HK$215.04 170In Stock 185On Order	Mfr. Part No. JM-1 Mouser Part No 785-JM-1	Honeywell	Switch Actuators Actuator LEVER	Datasheet	170In Stock 185On Order	HK$215.04 HK$195.64 HK$187.17 HK$181.74	Min.: 1 Mult.: 1
Switch Actuators Actuator ROLLER LEVER JM-5 Honeywell 1: HK$260.08 295In Stock 261On Order	Mfr. Part No. JM-5 Mouser Part No 785-JM-5	Honeywell	Switch Actuators Actuator ROLLER LEVER	Datasheet	295In Stock 261On Order On Order Ship Dates Mfr. No: JM-5 Stock: 295 Can Dispatch Immediately On Order: 14 Pending 247 Expected 22/2/2027 Factory Lead Time: 19 Weeks	HK$260.08 HK$234.43 HK$221.69 HK$214.05 View HK$200.98 HK$184.13	Min.: 1 Mult.: 1
Switch Actuators Auxiliary Actuator JS-254 Honeywell 1: HK$557.32 163In Stock 138Expected 24/12/2026	Mfr. Part No. JS-254 Mouser Part No 785-JS-254	Honeywell	Switch Actuators Auxiliary Actuator	Datasheet	163In Stock 138Expected 24/12/2026	HK$557.32 HK$523.78 HK$502.65 HK$488.60 View HK$483.75 Quote	Min.: 1 Mult.: 1