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4 mm Electromechanical

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Solid State Relays - SSRs Solid State Relay G3NA-205B-UTU AC100-240 Omron Automation and Safety 1: $75.62 4In Stock	Mfr. Part # G3NA-205B-UTU AC100-240 Mouser Part # 653-G3NA205BUTAC1240	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay	Datasheet	4In Stock	$75.62 $73.05 $71.88 $70.66 View $69.60 Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs Solid State Relay G3NA-220B-UTU AC100-240 Omron Automation and Safety 1: $86.53 14In Stock	Mfr. Part # G3NA-220B-UTU AC100-240 Mouser Part # 653-G3NA220BUTAC1240	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay	Datasheet	14In Stock	$86.53 $84.03 $76.87 $74.75 View $72.87 Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs Solid State Relay G3NA-225B-UTU AC100-240 Omron Automation and Safety 1: $86.53 21In Stock	Mfr. Part # G3NA-225B-UTU AC100-240 Mouser Part # 653-G3NA225BUTAC1240	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay	Datasheet	21In Stock	$86.53 $81.76 $78.66 $75.95 View $73.33 Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs SOLID STATE RELAY TUV Markings G3NA-240B-UTU DC5-24 Omron Automation and Safety 1: $135.19 10In Stock	Mfr. Part # G3NA-240B-UTU DC5-24 Mouser Part # 653-G3NA240BUTUDC524	Omron Automation and Safety	Solid State Relays - SSRs SOLID STATE RELAY TUV Markings	Datasheet	10In Stock	$135.19 $131.51 $126.18 $121.84 View $120.91 Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs Solid State Relay G3NA-420B-UTU DC5-24 Omron Automation and Safety 1: $138.03 5In Stock	Mfr. Part # G3NA-420B-UTU DC5-24 Mouser Part # 653-G3NA420BUTDC524	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay	Datasheet	5In Stock	$138.03 $129.62 $125.67 $122.56 $118.79	Min.: 1 Mult.: 1
Solid State Relays - SSRs Solid State Relay,RoHS G3NA-475B-UTU-2 DC5-24 Omron Automation and Safety 1: $211.19 2In Stock	Mfr. Part # G3NA-475B-UTU-2 DC5-24 Mouser Part # 653-G3NA475BUTU2DC24	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay,RoHS	Datasheet	2In Stock	$211.19 $189.83 $184.99 $181.68	Min.: 1 Mult.: 1
Solid State Relays - SSRs Solid State Relay G3NA-D210B-UTU AC100-240 Omron Automation and Safety 1: $130.72 6In Stock	Mfr. Part # G3NA-D210B-UTU AC100-240 Mouser Part # 653-G3NAD210BUTAC124	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay	Datasheet	6In Stock	$130.72 $123.08 $117.53 $113.10 $109.58	Min.: 1 Mult.: 1
Microphones ELECTRET CONDENSER MICROPHONE -35DB ROM-2235L-HD-R PUI Audio 1: $5.42 518In Stock	Mfr. Part # ROM-2235L-HD-R Mouser Part # 665-ROM-2235L-HD-R	PUI Audio	Microphones ELECTRET CONDENSER MICROPHONE -35DB Learn More about PUI Audio pui hd condenser microphones	Datasheet	518In Stock	$5.42 $3.94 $3.50 $3.11 View $2.74 $2.56 $2.46	Min.: 1 Mult.: 1
Speakers & Transducers ELECTROMAGNETIC 2-4 AC VPP 70DB 4000HZ 4X4X2 AST0440MFD-03TRQ Mallory Sonalert 1: $6.15 2,907In Stock	Mfr. Part # AST0440MFD-03TRQ Mouser Part # 539-AST0440MFD-03TRQ	Mallory Sonalert	Speakers & Transducers ELECTROMAGNETIC 2-4 AC VPP 70DB 4000HZ 4X4X2 Learn More about Mallory Sonalert transducers indicators	Datasheet	2,907In Stock	Cut Tape $6.15 $4.71 $4.25 $3.94 View Reel $3.19 $3.65 $3.41 $3.19 $3.19	Min.: 1 Mult.: 1 : 3,000
Detector Switches SPST, ON-(OFF) Detect switch, 100mA @ 12V DC Gull Wing SMD Terminals, T&R 1,000 pc packaging CL-DA-1BB4-A2T Nidec Components 1: $1.56 581In Stock	Mfr. Part # CL-DA-1BB4-A2T Mouser Part # 229-CL-DA-1BB4-A2T	Nidec Components	Detector Switches SPST, ON-(OFF) Detect switch, 100mA @ 12V DC Gull Wing SMD Terminals, T&R 1,000 pc packaging Learn More about Nidec Components nidec cl da detect switches	Datasheet	581In Stock	Cut Tape $1.56 $1.29 $1.20 $1.13 Reel $0.887 View $1.07 $0.995 $0.94 $0.837	Min.: 1 Mult.: 1 : 1,000
Detector Switches SPST, OFF-(ON) Detect switch, 100mA @ 12V DC Gull Wing SMD Terminals, T&R 1,000 pc packaging CL-DA-1CB4-A2T Nidec Components 1: $1.64 949In Stock 1,000Expected 1/27/2027	Mfr. Part # CL-DA-1CB4-A2T Mouser Part # 229-CL-DA-1CB4-A2T	Nidec Components	Detector Switches SPST, OFF-(ON) Detect switch, 100mA @ 12V DC Gull Wing SMD Terminals, T&R 1,000 pc packaging Learn More about Nidec Components nidec cl da detect switches	Datasheet	949In Stock 1,000Expected 1/27/2027	Cut Tape $1.64 $1.38 $1.27 $1.20 Reel $0.939 View $1.14 $1.05 $0.941 $0.888	Min.: 1 Mult.: 1 : 1,000
Switch Bezels / Switch Caps ORANG 4X4 B3F KEYCAP B32-1020 Aratas 1: $0.533 3,047In Stock	Mfr. Part # B32-1020 Mouser Part # 653-B32-1020	Aratas	Switch Bezels / Switch Caps ORANG 4X4 B3F KEYCAP	Datasheet	3,047In Stock	$0.533 $0.478 $0.46 $0.447 View $0.434 $0.417 $0.40 $0.377 $0.365	Min.: 1 Mult.: 1
Switch Bezels / Switch Caps Green 4x4 mm Key Top B32-1050 Aratas 1: $0.533 1,862In Stock 2,000Expected 1/22/2027	Mfr. Part # B32-1050 Mouser Part # 653-B32-1050	Aratas	Switch Bezels / Switch Caps Green 4x4 mm Key Top	Datasheet	1,862In Stock 2,000Expected 1/22/2027	$0.533 $0.478 $0.46 $0.447 View $0.434 $0.417 $0.40 $0.377 $0.365	Min.: 1 Mult.: 1
Switch Bezels / Switch Caps LT GRN 4mm KEY CAP B32-1070 Aratas 1: $0.533 319In Stock	Mfr. Part # B32-1070 Mouser Part # 653-B32-1070	Aratas	Switch Bezels / Switch Caps LT GRN 4mm KEY CAP	Datasheet	319In Stock	$0.533 $0.478 $0.46 $0.447 View $0.434 $0.417 $0.397 $0.307 $0.304	Min.: 1 Mult.: 1
Microphones ELECTRET CONDENSER MICROPHONE -27DB DOM-3027L-HD-R PUI Audio 1: $4.75 140In Stock	Mfr. Part # DOM-3027L-HD-R Mouser Part # 665-DOM-3027L-HD-R	PUI Audio	Microphones ELECTRET CONDENSER MICROPHONE -27DB Learn More about PUI Audio pui hd condenser microphones	Datasheet	140In Stock	$4.75 $3.72 $3.42 $3.24 $2.72	Min.: 1 Mult.: 1
Microphones OMNI-DIRECTIONAL MICROPHONE 4MM DIA TOM-1545L-LW100-R PUI Audio 1: $4.71 9In Stock	Mfr. Part # TOM-1545L-LW100-R Mouser Part # 665-TOM1545LLW100R	PUI Audio	Microphones OMNI-DIRECTIONAL MICROPHONE 4MM DIA Learn More about PUI Audio microphone lead	Datasheet	9In Stock	$4.71 $3.59 $3.24 $2.98 View $2.77 $2.47 $2.34	Min.: 1 Mult.: 1
Circuit Board Hardware - PCB S70 SMT Spring Contact 5mm high S7051-42R Harwin 1: $0.676 4,901In Stock 72,800On Order	Mfr. Part # S7051-42R Mouser Part # 855-S7051-42R	Harwin	Circuit Board Hardware - PCB S70 SMT Spring Contact 5mm high Learn More about Harwin spring contacts	Datasheet	4,901In Stock 72,800On Order On Order Ship Dates Mfr. #: S7051-42R Stock: 4,901 Can Ship Immediately On Order: 15,400 Expected 11/24/2026 57,400 Expected 2/16/2027 Factory Lead-Time: 15 Weeks	Cut Tape $0.676 $0.514 $0.426 $0.395 Reel $0.372 View $0.347 $0.329 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,400
Microphones MICROPHONE -46DB 2VDC .5MA 2.2KOHM DUM-4546L-C3310-R PUI Audio 1: $3.59 98In Stock	Mfr. Part # DUM-4546L-C3310-R Mouser Part # 665-DUM-4546L-C3310R	PUI Audio	Microphones MICROPHONE -46DB 2VDC .5MA 2.2KOHM	Datasheet	98In Stock	$3.59 $2.78 $2.51 $2.34 View $2.11 $1.92 $1.85	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Board Mount Buzzer 4mm sq 4kHz 3V SMT CMT-4023S-SMT-TR Same Sky 1: $5.08 21,500On Order	Mfr. Part # CMT-4023S-SMT-TR Mouser Part # 490-CMT-4023S-SMT-TR	Same Sky	Buzzers & Audio Indicators - Board Mount Buzzer 4mm sq 4kHz 3V SMT Learn More about Same Sky cui magnetic piezo micro buzzers	Datasheet	21,500On Order On Order Ship Dates Mfr. #: CMT-4023S-SMT-TR Stock: 0 On Order: 500 Expected 11/6/2026 6,000 Expected 12/4/2026 6,000 Expected 2/5/2027 9,000 Expected 2/22/2027 Factory Lead-Time: 18 Weeks	Cut Tape $5.08 $3.86 $3.46 $3.13 View Reel $2.21 $2.90 $2.68 $2.54 $2.22 $2.21 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Speakers & Transducers EM 70dB 4000Hz 3 v6k Top Fire SMT-0440-T-R PUI Audio 1: $5.73 10,411Expected 1/22/2027	Mfr. Part # SMT-0440-T-R Mouser Part # 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	10,411Expected 1/22/2027	Cut Tape $5.73 $4.42 $3.99 $3.64 View Reel $2.85 $3.51 $3.12 $2.87 $2.85 $2.85 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Solid State Relays - SSRs Solid State Relay G3NA-210B-UTU AC100-240 Omron Automation and Safety 1: $86.53 7On Order	Mfr. Part # G3NA-210B-UTU AC100-240 Mouser Part # 653-G3NA210BUTAC1240	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay	Datasheet	7On Order On Order Ship Dates Mfr. #: G3NA-210B-UTU AC100-240 Stock: 0 On Order: 2 Expected 11/3/2026 5 Expected 11/10/2026 Factory Lead-Time: 3 Weeks	$86.53 $81.76 $78.66 $75.95 View $73.33 Quote	Min.: 1 Mult.: 1
Solid State Relays - SSRs Solid State Relay RoHS G3NA-450B-UTU-2DC5-24 Omron Automation and Safety 1: $198.48 Non-Stocked Lead-Time 3 Weeks	Mfr. Part # G3NA-450B-UTU-2DC5-24 Mouser Part # 653-3NA450BUTU2DC524	Omron Automation and Safety	Solid State Relays - SSRs Solid State Relay RoHS	Datasheet	Non-Stocked Lead-Time 3 Weeks	$198.48 $176.75 $168.42 $162.98 View Quote	Min.: 1 Mult.: 1
Tactile Switches SPST-NO G LEAD 300g KSC141G C&K 10,000: $0.306 Non-Stocked	Mfr. Part # KSC141G Mouser Part # 611-KSC141G	C&K	Tactile Switches SPST-NO G LEAD 300g Learn More about C&K ck ksc tact switches	Datasheet	Non-Stocked	$0.306	Min.: 10,000 Mult.: 1
Mounting Hardware OCS PANEL 1614 PC 1562144 Phoenix Contact 1: $148.43 Non-Stocked Lead-Time 15 Weeks New Product	Mfr. Part # 1562144 Mouser Part # 651-1562144 New Product	Phoenix Contact	Mounting Hardware OCS PANEL 1614 PC	Datasheet	Non-Stocked Lead-Time 15 Weeks	$148.43	Min.: 1 Mult.: 1
Mounting Hardware OCS PANEL 1816 PC 1562145 Phoenix Contact 1: $176.75 Non-Stocked Lead-Time 15 Weeks New Product	Mfr. Part # 1562145 Mouser Part # 651-1562145 New Product	Phoenix Contact	Mounting Hardware OCS PANEL 1816 PC	Datasheet	Non-Stocked Lead-Time 15 Weeks	$176.75	Min.: 1 Mult.: 1