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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 (USD) 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: $0.48 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	$0.48 $0.347 $0.277 $0.25 View $0.233 $0.226 $0.213 $0.208 $0.201	Min.: 1 Mult.: 1
Screws & Fasteners PEEK, NATURAL BEIGE/TAN, SET SCREW M3X4 20767310 Essentra 1: $7.35 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	$7.35 $5.93 $5.50 $5.22 View $4.97 $4.66 $4.47 $4.28 $4.11	Min.: 1 Mult.: 1
Standoffs & Spacers SMTSO, M3, THRU-HOLE, CRS, ET SMTSO-M3-4ET PEM 1: $1.07 155,407In Stock 123,300Expected 2027/01/27	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	155,407In Stock 123,300Expected 2027/01/27	Cut Tape $1.07 $0.804 $0.626 $0.59 Reel $0.576 View $0.557 $0.538 $0.519 $0.511 MouseReel Available	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 SMTSO-M25-4ET PEM 1: $1.17 30,024In Stock 23,400Expected 2026/12/23	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 2026/12/23	Cut Tape $1.17 $0.876 $0.683 $0.643 Reel $0.628 View $0.607 $0.586 $0.565 $0.557 MouseReel Available	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M2-4ET PEM 1: $1.19 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 $1.19 $0.89 $0.692 $0.654 Reel $0.64 View $0.618 $0.597 $0.576 $0.566	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: $1.83 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 $1.83 $1.44 $1.31 $1.22 View Reel $0.932 $1.14 $1.05 $0.989 $0.932 MouseReel Available	Min.: 1 Mult.: 1 : 5,900
MEMS Microphones MICROPHONE -38DB 2.75VDC AMM-4038-B PUI Audio 1: $3.21 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 $3.21 $2.45 $2.21 $1.99 View Reel $1.43 $1.85 $1.73 $1.44 $1.43	Min.: 1 Mult.: 1 : 1,250
MEMS Microphones MEMs Microphone 4x3mm 2Vdc SMT CMM-4030DT-26154-TR Same Sky 1: $2.69 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 $2.69 $2.05 $1.84 $1.71 View Reel $1.16 $1.58 $1.31 $1.24 $1.16 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Tactile Switches GULL-WING SMT MJTP1140A Apem 1: $2.15 1,943In Stock	Mfr. Part No. MJTP1140A Mouser Part No 642-MJTP1140A	Apem	Tactile Switches GULL-WING SMT	Datasheet	1,943In Stock	$2.15 $1.97 $1.80 $1.26 View $1.06 $1.04	Min.: 1 Mult.: 1
MEMS Microphones MEMs Microphone 4x3mm 2Vdc SMT CMM-4030DT-26354-TR Same Sky 1: $3.02 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 $3.02 $2.30 $2.08 $1.86 View Reel $1.34 $1.73 $1.54 $1.45 $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Speakers & Transducers TRANSDUCER 3V0-P 70DB 4000HZ SMT-0440-T-HT-R PUI Audio 1: $3.21 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 $3.21 $2.45 $2.21 $1.99 View Reel $1.43 $1.85 $1.72 $1.57 $1.43 $1.43	Min.: 1 Mult.: 1 : 3,000
Standoffs & Spacers R30 M3 x 4mm HEX 5mm A/F 8mm ML/FML NICKEL R30-1010402 Harwin 1: $0.63 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	$0.63 $0.501 $0.421 $0.368 View $0.359 $0.334 $0.324 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers R30 M3 x 4mm CIRCULAR CLEARANCE SPACER R30-6010402 Harwin 1: $0.80 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	$0.80 $0.636 $0.568	Min.: 1 Mult.: 1
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-M2 SI 1: $0.461 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	$0.461 $0.333 $0.266 $0.24 View $0.222 $0.216 $0.204 $0.199 $0.192	Min.: 1 Mult.: 1
Screws & Fasteners SMOOTH FLOATING PIN SELF CLINCHING.157 L 1.2mm Pin DIA MRPS-1.2MM-400 PEM 1: $2.34 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	$2.34 $1.79 $1.65 $1.47 View $1.37 $1.30 $1.26 $1.21 $1.17	Min.: 1 Mult.: 1
Standoffs & Spacers BRASS SMT STANDOFF M2 L:4MM SMTSOB-M2-4ET PEM 1: $1.27 8,423In Stock 10,800Expected 2026/12/30	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 2026/12/30	Cut Tape $1.27 $0.948 $0.739 $0.697 Reel $0.682 View $0.658 $0.635 $0.612 Quote	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M4-4ET PEM 1: $1.72 13,029In 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	13,029In Stock	Cut Tape $1.72 $1.29 $0.999 Reel $0.942 $0.92 View $0.89 $0.859 $0.828 Quote MouseReel Available	Min.: 1 Mult.: 1 : 675
Standoffs & Spacers BRASS SMT STANDOFF M25 L:4MM SMTSOB-M25-4ET PEM 1: $1.31 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 $1.31 $0.977 $0.761 $0.718 Reel $0.70 View $0.677 $0.654 $0.63 Quote	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers STANDOFF 400 SERIES STAINLESS SO4-M3-4 PEM 1: $0.80 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	$0.80 $0.592 $0.461 $0.435 View $0.424 $0.411 $0.397 $0.383 $0.376	Min.: 1 Mult.: 1
MEMS Microphones MICROPHONE -26DB 1.8VDC DMM-4326-T-WP-R PUI Audio 1: $3.17 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 $3.17 $2.51 $2.28 $2.13 View Reel $1.65 $1.99 $1.95 $1.78 $1.65	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: $2.94 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 $2.94 $2.17 $1.95 $1.83 View Reel $1.21 $1.65 $1.52 $1.36 $1.21	Min.: 1 Mult.: 1 : 1,100
Standoffs & Spacers STANDOFF, STAINLESS SOS-M3-4 PEM 1: $0.80 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	$0.80 $0.564 $0.452 $0.407 View $0.377 $0.368 $0.345 $0.338 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, THIN HEAD, STEEL TSO-M3-400ZI PEM 1: $0.49 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	$0.49 $0.345 $0.277 $0.249 View $0.226 $0.224 $0.211 $0.207 $0.20	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, STEEL SO-M4-4ZI PEM 1: $0.59 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	$0.59 $0.416 $0.333 $0.30 View $0.278 $0.27 $0.254 $0.249 $0.241	Min.: 1 Mult.: 1
Standoffs & Spacers SureWare Jack Screw Precision Board Stacking Standoff JSO-0400-01 Samtec 1: $7.32 27In Stock	Mfr. Part No. JSO-0400-01 Mouser Part No 200-JSO-0400-01	Samtec	Standoffs & Spacers SureWare Jack Screw Precision Board Stacking Standoff	Datasheet	27In Stock	$7.32 $5.70 $5.22 $4.86 View $4.79 $4.56 Quote	Min.: 1 Mult.: 1