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4 mm Electromechanical

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Length = 4 mm

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Standoffs & Spacers Thru Hole Threaded Standoffs M3x0.5 Self Clinching, Carbon Steel Zinc Plated, 4.8mm x 4mm SO-RTM3-4ZI PEM 1: £0.361 3,399In Stock New Product	Mfr. Part No. SO-RTM3-4ZI Mouser Part No 153-SO-RTM3-4ZI New Product	PEM	Standoffs & Spacers Thru Hole Threaded Standoffs M3x0.5 Self Clinching, Carbon Steel Zinc Plated, 4.8mm x 4mm Learn More about PEM so rt free running locking standoffs	Datasheet	3,399In Stock	£0.361 £0.26 £0.208 £0.188 View £0.175 £0.169 £0.16 £0.156 £0.151	Min.: 1 Mult.: 1
Screws & Fasteners PEEK, NATURAL BEIGE/TAN, SET SCREW M3X4 20767310 Essentra 1: £5.52 195In Stock New Product	Mfr. Part No. 20767310 Mouser Part No 144-20767310 New Product	Essentra	Screws & Fasteners PEEK, NATURAL BEIGE/TAN, SET SCREW M3X4 Learn More about Essentra peek fasteners	Datasheet	195In Stock	£5.52 £4.45 £4.13 £3.92 View £3.73 £3.50 £3.35 £3.21 £3.08	Min.: 1 Mult.: 1
Standoffs & Spacers SMTSO, M3, THRU-HOLE, CRS, ET SMTSO-M3-4ET PEM 1: £0.803 155,327In Stock 123,300Expected 27/01/2027	Mfr. Part No. SMTSO-M3-4ET Mouser Part No 153-SMTSO-M3-4ET	PEM	Standoffs & Spacers SMTSO, M3, THRU-HOLE, CRS, ET Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	155,327In Stock 123,300Expected 27/01/2027	Cut Tape £0.803 £0.603 £0.47 £0.443 Reel £0.432 View £0.418 £0.404 £0.389 £0.383 MouseReel Available	Min.: 1 Mult.: 1 : 900
MEMS Microphones SISONIC MEMS MICROPHONE;Digital;Top;64dB SNR;120dB SPL;-26 +/-1dBV;30Hz;83dB PSRR;Low Power: 290 / Standard: 715;1.8V SPG08P4HM4H-1 Syntiant 1: £1.37 14,628In Stock	Mfr. Part No. SPG08P4HM4H-1 Mouser Part No 721-SPG08P4HM4H-1	Syntiant	MEMS Microphones SISONIC MEMS MICROPHONE;Digital;Top;64dB SNR;120dB SPL;-26 +/-1dBV;30Hz;83dB PSRR;Low Power: 290 / Standard: 715;1.8V Learn More about Syntiant spg08p4hm4h 1 microphone	Datasheet	14,628In Stock	Cut Tape £1.37 £1.08 £0.986 £0.917 View Reel £0.699 £0.856 £0.788 £0.742 £0.699 MouseReel Available	Min.: 1 Mult.: 1 : 5,900
Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 SMTSO-M25-4ET PEM 1: £0.882 30,024In Stock 23,400Expected 23/12/2026	Mfr. Part No. SMTSO-M25-4ET Mouser Part No 153-SMTSO-M25-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	30,024In Stock 23,400Expected 23/12/2026	Cut Tape £0.882 £0.657 £0.512 £0.483 Reel £0.471 View £0.456 £0.44 £0.424 £0.418 MouseReel Available	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M2-4ET PEM 1: £0.89 37,791In Stock	Mfr. Part No. SMTSO-M2-4ET Mouser Part No 153-SMTSO-M2-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	37,791In Stock	Cut Tape £0.89 £0.668 £0.519 £0.491 Reel £0.48 View £0.464 £0.448 £0.432 £0.425	Min.: 1 Mult.: 1 : 900
MEMS Microphones MICROPHONE -38DB 2.75VDC AMM-4038-B PUI Audio 1: £2.41 1,104In Stock	Mfr. Part No. AMM-4038-B Mouser Part No 665-AMM-4038-B	PUI Audio	MEMS Microphones MICROPHONE -38DB 2.75VDC Learn More about PUI Audio mems microphones	Datasheet	1,104In Stock	Cut Tape £2.41 £1.84 £1.66 £1.49 View Reel £1.07 £1.39 £1.30 £1.08 £1.07	Min.: 1 Mult.: 1 : 1,250
MEMS Microphones MEMs Microphone 4x3mm 2Vdc SMT CMM-4030DT-26154-TR Same Sky 1: £2.02 2,439In Stock	Mfr. Part No. CMM-4030DT-26154-TR Mouser Part No 490-CMM4030DT26154TR	Same Sky	MEMS Microphones MEMs Microphone 4x3mm 2Vdc SMT Learn More about Same Sky cui mems microphones	Datasheet	2,439In Stock	Cut Tape £2.02 £1.54 £1.38 £1.28 View Reel £0.873 £1.19 £0.986 £0.934 £0.873 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Tactile Switches GULL-WING SMT MJTP1140A Apem 1: £1.62 1,943In Stock	Mfr. Part No. MJTP1140A Mouser Part No 642-MJTP1140A	Apem	Tactile Switches GULL-WING SMT	Datasheet	1,943In Stock	£1.62 £1.48 £1.35 £0.943 View £0.796 £0.78	Min.: 1 Mult.: 1
MEMS Microphones MEMs Microphone 4x3mm 2Vdc SMT CMM-4030DT-26354-TR Same Sky 1: £2.27 1,506In Stock	Mfr. Part No. CMM-4030DT-26354-TR Mouser Part No 490-CMM4030DT26354TR	Same Sky	MEMS Microphones MEMs Microphone 4x3mm 2Vdc SMT Learn More about Same Sky cui mems microphones	Datasheet	1,506In Stock	Cut Tape £2.27 £1.73 £1.56 £1.40 View Reel £1.00 £1.30 £1.15 £1.09 £1.00 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Speakers & Transducers TRANSDUCER 3V0-P 70DB 4000HZ SMT-0440-T-HT-R PUI Audio 1: £2.41 9,086In 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	9,086In Stock	Cut Tape £2.41 £1.84 £1.66 £1.49 View Reel £1.07 £1.39 £1.29 £1.18 £1.07 £1.07	Min.: 1 Mult.: 1 : 3,000
Standoffs & Spacers R30 M3 x 4mm HEX 5mm A/F 8mm ML/FML NICKEL R30-1010402 Harwin 1: £0.473 8,611In Stock	Mfr. Part No. R30-1010402 Mouser Part No 855-R30-1010402	Harwin	Standoffs & Spacers R30 M3 x 4mm HEX 5mm A/F 8mm ML/FML NICKEL	Datasheet	8,611In Stock	£0.473 £0.376 £0.316 £0.276 View £0.27 £0.251 £0.244 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers R30 M3 x 4mm CIRCULAR CLEARANCE SPACER R30-6010402 Harwin 1: £0.601 4,645In Stock	Mfr. Part No. R30-6010402 Mouser Part No 855-R30-6010402	Harwin	Standoffs & Spacers R30 M3 x 4mm CIRCULAR CLEARANCE SPACER	Datasheet	4,645In Stock	£0.601 £0.478 £0.426	Min.: 1 Mult.: 1
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-M2 SI 1: £0.346 15,912In Stock	Mfr. Part No. IUTB-M2 Mouser Part No 153-IUTB-M2	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	15,912In Stock	£0.346 £0.25 £0.20 £0.18 View £0.167 £0.162 £0.153 £0.149 £0.144	Min.: 1 Mult.: 1
Standoffs & Spacers BRASS SMT STANDOFF M2 L:4MM SMTSOB-M2-4ET PEM 1: £0.952 8,423In Stock 10,800Expected 30/12/2026	Mfr. Part No. SMTSOB-M2-4ET Mouser Part No 153-SMTSOB-M2-4ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M2 L:4MM Learn More about PEM smtsob sm fasteners	Datasheet	8,423In Stock 10,800Expected 30/12/2026	Cut Tape £0.952 £0.711 £0.554 £0.523 Reel £0.512 View £0.494 £0.477 £0.459 Quote	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers STANDOFF, STAINLESS SOS-M3-4 PEM 1: £0.601 5,609In Stock	Mfr. Part No. SOS-M3-4 Mouser Part No 153-SOS-M3-4	PEM	Standoffs & Spacers STANDOFF, STAINLESS Learn More about PEM so sos standoffs	Datasheet	5,609In Stock	£0.601 £0.423 £0.34 £0.306 View £0.283 £0.276 £0.259 £0.254 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, THIN HEAD, STEEL TSO-M3-400ZI PEM 1: £0.368 9,980In Stock	Mfr. Part No. TSO-M3-400ZI Mouser Part No 153-TSO-M3-400ZI	PEM	Standoffs & Spacers STANDOFF, THIN HEAD, STEEL	Datasheet	9,980In Stock	£0.368 £0.259 £0.208 £0.187 View £0.169 £0.168 £0.158 £0.155 £0.15	Min.: 1 Mult.: 1
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M4-4ET PEM 1: £1.29 12,764In Stock	Mfr. Part No. SMTSO-M4-4ET Mouser Part No 153-SMTSO-M4-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	12,764In Stock	Cut Tape £1.29 £0.969 £0.75 Reel £0.707 £0.691 View £0.668 £0.645 £0.622 Quote MouseReel Available	Min.: 1 Mult.: 1 : 675
Screws & Fasteners SMOOTH FLOATING PIN SELF CLINCHING.157 L 1.2mm Pin DIA MRPS-1.2MM-400 PEM 1: £1.75 741In Stock	Mfr. Part No. MRPS-1.2MM-400 Mouser Part No 153-MRPS-1.2MM-400	PEM	Screws & Fasteners SMOOTH FLOATING PIN SELF CLINCHING.157 L 1.2mm Pin DIA Learn More about PEM ghost magnetic release fasteners	Datasheet	741In Stock	£1.75 £1.34 £1.24 £1.10 View £1.03 £0.978 £0.943 £0.908 £0.882	Min.: 1 Mult.: 1
Standoffs & Spacers BRASS SMT STANDOFF M25 L:4MM SMTSOB-M25-4ET PEM 1: £0.986 10,852In Stock	Mfr. Part No. SMTSOB-M25-4ET Mouser Part No 153-SMTSOB-M25-4ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M25 L:4MM Learn More about PEM smtsob sm fasteners	Datasheet	10,852In Stock	Cut Tape £0.986 £0.733 £0.571 £0.539 Reel £0.526 View £0.508 £0.491 £0.473 Quote	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers STANDOFF 400 SERIES STAINLESS SO4-M3-4 PEM 1: £0.601 10,056In Stock	Mfr. Part No. SO4-M3-4 Mouser Part No 153-SO4-M3-4	PEM	Standoffs & Spacers STANDOFF 400 SERIES STAINLESS	Datasheet	10,056In Stock	£0.601 £0.444 £0.346 £0.327 View £0.319 £0.308 £0.298 £0.287 £0.282	Min.: 1 Mult.: 1
MEMS Microphones MICROPHONE -26DB 1.8VDC DMM-4326-T-WP-R PUI Audio 1: £2.38 3,704In Stock	Mfr. Part No. DMM-4326-T-WP-R Mouser Part No 665-DMM-4326-T-WP-R	PUI Audio	MEMS Microphones MICROPHONE -26DB 1.8VDC Learn More about PUI Audio pui dmm microphones	Datasheet	3,704In Stock	Cut Tape £2.38 £1.89 £1.71 £1.60 View Reel £1.24 £1.49 £1.47 £1.34 £1.24	Min.: 1 Mult.: 1 : 1,250
MEMS Microphones microphone 4 mm x 3 mm x 1 mm MEMs omnidirectional SMT digital top 2 Vdc T&R CMM-4030DT-26164-TR Same Sky 1: £2.21 2,200In Stock	Mfr. Part No. CMM-4030DT-26164-TR Mouser Part No 179-CMM030DT26164TR	Same Sky	MEMS Microphones microphone 4 mm x 3 mm x 1 mm MEMs omnidirectional SMT digital top 2 Vdc T&R Learn More about Same Sky cui mems microphones	Datasheet	2,200In Stock	Cut Tape £2.21 £1.63 £1.47 £1.37 View Reel £0.908 £1.24 £1.14 £1.02 £0.908	Min.: 1 Mult.: 1 : 1,100
Standoffs & Spacers STANDOFF, STEEL SO-M4-4ZI PEM 1: £0.443 9,773In Stock	Mfr. Part No. SO-M4-4ZI Mouser Part No 153-SO-M4-4ZI	PEM	Standoffs & Spacers STANDOFF, STEEL Learn More about PEM so sos standoffs	Datasheet	9,773In Stock	£0.443 £0.313 £0.25 £0.225 View £0.209 £0.203 £0.19 £0.187 £0.181	Min.: 1 Mult.: 1
Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS STKB-M4-4 SI 1: £0.488 1,544In Stock 109On Order	Mfr. Part No. STKB-M4-4 Mouser Part No 153-STKB-M4-4	SI	Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS Learn More about SI molded in inserts	Datasheet	1,544In Stock 109On Order	£0.488 £0.347 £0.278 £0.25 View £0.232 £0.226 £0.212 £0.208 £0.201	Min.: 1 Mult.: 1