Standoffs & Spacers – Mouser Chile

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SMTSO ReelFast Steel Nuts & Spacers/Standoffs

PEM SMTSO™ ReelFast® Steel Nuts and Spacers/Standoffs mount on PC boards in the same manner and at the same time as other surface-mount components, reducing product handling as well as the risk of board damage. The SMTSO modules simply become another board component. This process also results in faster assembly. They are available in a thread size as small as M1 / #0 to #80 and a minimum sheet thickness of 0.5mm / .020". PEM SMTSO ReelFast Steel Nuts and Spacers/Standoffs are RoHS compliant and are available in threaded or unthreaded versions.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Thread Size	Length	Material	Plating	Packaging
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M1.6-3ET PEM 1: $980 82.434In Stock 140.000On Order	Mfr. Part # SMTSO-M1.6-3ET Mouser Part # 153-SMTSO-M1.6-3ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	82.434In Stock 140.000On Order On Order Ship Dates Mfr. #: SMTSO-M1.6-3ET Stock: 82.434 Can Ship Immediately On Order: 20.000 Pending 62.000 Expected 12/9/2026 58.000 Expected 1/4/2027 Factory Lead-Time: 10 Weeks	Cut Tape $980 $735 $572 $539 Reel $510 View $527 $492 $475 $468 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Standoffs	SMT	M1.6	3 mm	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-256-4ET PEM 1: $1.310 55.266In Stock	Mfr. Part # SMTSO-256-4ET Mouser Part # 153-SMTSO-256-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	55.266In Stock	Cut Tape $1.310 $979 $762 $719 Reel $703 View $679 $656 $632 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Standoffs	SMT	2-56	0.125 in	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-632-12ET PEM 1: $1.811 22.116In Stock	Mfr. Part # SMTSO-632-12ET Mouser Part # 153-SMTSO-632-12ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	22.116In Stock	Cut Tape $1.811 $1.356 $1.058 Reel $998 $976 View $943 $910 $878 Quote	Min.: 1 Mult.: 1 : 300	Standoffs	SMT	6-32	0.375 in	Steel	Zinc	Reel, Cut Tape
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-632-2ET PEM 1: $1.185 35.036In Stock 25.500Expected 12/21/2026	Mfr. Part # SMTSO-632-2ET Mouser Part # 153-SMTSO-632-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	35.036In Stock 25.500Expected 12/21/2026	Cut Tape $1.185 $885 $688 $649 Reel $614 View $635 $592 $572 $563 MouseReel Available	Min.: 1 Mult.: 1 : 1.500	Standoffs	SMT	6-32	0.062 in	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 SMTSO-M25-4ET PEM 1: $1.344 30.049In Stock 23.400Expected 12/23/2026	Mfr. Part # SMTSO-M25-4ET Mouser Part # 153-SMTSO-M25-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	30.049In Stock 23.400Expected 12/23/2026	Cut Tape $1.344 $998 $777 $733 Reel $715 View $692 $668 $644 Quote MouseReel Available	Min.: 1 Mult.: 1 : 900	Standoffs	SMT	M2.5	4 mm	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-2ET PEM 1: $968 86.752In Stock 105.000Expected 11/6/2026	Mfr. Part # SMTSO-440-2ET Mouser Part # 153-SMTSO-440-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	86.752In Stock 105.000Expected 11/6/2026	Cut Tape $968 $730 $568 $535 Reel $506 View $524 $489 $472 $465 MouseReel Available	Min.: 1 Mult.: 1 : 1.500	Standoffs	SMT	4-40	0.062 in	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M3-2ET PEM 1: $968 183.035In Stock 280.500Expected 11/23/2026	Mfr. Part # SMTSO-M3-2ET Mouser Part # 153-SMTSO-M3-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	183.035In Stock 280.500Expected 11/23/2026	Cut Tape $968 $730 $568 $535 Reel $506 View $524 $489 $472 $465 MouseReel Available	Min.: 1 Mult.: 1 : 1.500	Standoffs	SMT	M3	2 mm	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SMTSO, M3, THRU-HOLE, CRS, ET SMTSO-M3-4ET PEM 1: $1.219 155.207In Stock 123.300Expected 1/27/2027	Mfr. Part # SMTSO-M3-4ET Mouser Part # 153-SMTSO-M3-4ET	PEM	Standoffs & Spacers SMTSO, M3, THRU-HOLE, CRS, ET Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	155.207In Stock 123.300Expected 1/27/2027	Cut Tape $1.219 $915 $712 $671 Reel $656 View $635 $613 $591 Quote MouseReel Available	Min.: 1 Mult.: 1 : 900	Standoffs	SMT	M3	4 mm	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M4-2ET PEM 1: $1.128 45.071In Stock	Mfr. Part # SMTSO-M4-2ET Mouser Part # 153-SMTSO-M4-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	45.071In Stock	Cut Tape $1.128 $848 $660 $622 Reel $608 View $588 $568 $548 $540 MouseReel Available	Min.: 1 Mult.: 1 : 1.100	Standoffs	SMT	M4	2 mm	Steel	Tin	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-440-12ET PEM 1: $1.447 74.024In Stock 81.300On Order	Mfr. Part # SMTSO-440-12ET Mouser Part # 153-SMTSO-440-12ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	74.024In Stock 81.300On Order On Order Ship Dates Mfr. #: SMTSO-440-12ET Stock: 74.024 Can Ship Immediately On Order: 300 Pending 81.000 Expected 11/6/2026 Factory Lead-Time: 13 Weeks	Cut Tape $1.447 $1.082 $842 Reel $794 $777 View $751 $725 $698 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300	Standoffs	SMT	4-40	0.375 in	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M1.6-1ET PEM 1: $1.060 34.906In Stock 42.000Expected 11/24/2026	Mfr. Part # SMTSO-M1.6-1ET Mouser Part # 153-SMTSO-M1.6-1ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	34.906In Stock 42.000Expected 11/24/2026	Cut Tape $1.060 $792 $616 $581 Reel $549 View $568 $530 $512 $504 MouseReel Available	Min.: 1 Mult.: 1 : 3.500	Standoffs	SMT	M1.6	1 mm	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M2-2ET PEM 1: $980 39.867In Stock 232.190On Order	Mfr. Part # SMTSO-M2-2ET Mouser Part # 153-SMTSO-M2-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	39.867In Stock 232.190On Order On Order Ship Dates Mfr. #: SMTSO-M2-2ET Stock: 39.867 Can Ship Immediately On Order: 80.690 Expected 10/27/2026 51.000 Expected 11/25/2026 100.500 Expected 12/9/2026 Factory Lead-Time: 13 Weeks	Cut Tape $980 $727 $566 $534 Reel $504 View $523 $486 $469 $463 MouseReel Available	Min.: 1 Mult.: 1 : 1.500	Standoffs	SMT	M2	2 mm	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SMT STANDOFF, M3 SMTSO-M3-6ET PEM 1: $1.390 47.988In Stock 154.050On Order	Mfr. Part # SMTSO-M3-6ET Mouser Part # 153-SMTSO-M3-6ET	PEM	Standoffs & Spacers SMT STANDOFF, M3 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	47.988In Stock 154.050On Order On Order Ship Dates Mfr. #: SMTSO-M3-6ET Stock: 47.988 Can Ship Immediately On Order: 650 Pending 69.550 Expected 11/12/2026 83.850 Expected 1/15/2027 Factory Lead-Time: 13 Weeks	Cut Tape $1.390 $1.045 $813 Reel $767 $750 View $725 $700 $674 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	M3	6 mm	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-4ET PEM 1: $1.242 78.865In Stock	Mfr. Part # SMTSO-440-4ET Mouser Part # 153-SMTSO-440-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	78.865In Stock	Cut Tape $1.242 $929 $722 $681 Reel $666 View $644 $622 $599 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Standoffs	SMT	4-40	0.125 in	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M2-3ET PEM 1: $1.253 83.820In Stock	Mfr. Part # SMTSO-M2-3ET Mouser Part # 153-SMTSO-M2-3ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	83.820In Stock	Cut Tape $1.253 $930 $731 Reel $621 $599 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Standoffs	SMT	M2	3 mm	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 SMTSO-M25-3ET PEM 1: $1.230 42.469In Stock 70.000Expected 11/12/2026	Mfr. Part # SMTSO-M25-3ET Mouser Part # 153-SMTSO-M25-3ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	42.469In Stock 70.000Expected 11/12/2026	Cut Tape $1.230 $926 $721 $679 Reel $664 View $643 $620 $598 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Standoffs	SMT	M2.5	3 mm	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 SMTSO-M25-6ET PEM 1: $1.492 24.529In Stock 75.400On Order	Mfr. Part # SMTSO-M25-6ET Mouser Part # 153-SMTSO-M25-6ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	24.529In Stock 75.400On Order On Order Ship Dates Mfr. #: SMTSO-M25-6ET Stock: 24.529 Can Ship Immediately On Order: 30.550 Expected 11/23/2026 44.850 Expected 1/11/2027 Factory Lead-Time: 13 Weeks	Cut Tape $1.492 $1.121 $873 Reel $823 $804 View $777 $751 $723 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	M2.5	6 mm	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF, 2-56 SMTSO-256-2ET PEM 1: $980 83.753In Stock	Mfr. Part # SMTSO-256-2ET Mouser Part # 153-SMTSO-256-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 2-56 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	83.753In Stock	Cut Tape $980 $738 $574 $541 Reel $512 View $530 $494 $476 $469 MouseReel Available	Min.: 1 Mult.: 1 : 1.500	Standoffs	SMT	2-56	0.062 in	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M2-4ET PEM 1: $1.356 37.791In Stock	Mfr. Part # SMTSO-M2-4ET Mouser Part # 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 $1.356 $1.014 $788 $744 Reel $728 View $703 $679 $655 Quote	Min.: 1 Mult.: 1 : 900	Standoffs	SMT	M2	4 mm	Steel	Zinc	Reel, Cut Tape
Standoffs & Spacers SMTSO-080-2ET PEM 1: $1.003 40.126In Stock 104.400Expected 3/10/2027	Mfr. Part # SMTSO-080-2ET Mouser Part # 153-SMTSO-080-2ET	PEM	Standoffs & Spacers Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	40.126In Stock 104.400Expected 3/10/2027	Cut Tape $1.003 $742 $578 $545 Reel $515 View $532 $496 $478 $471 MouseReel Available	Min.: 1 Mult.: 1 : 2.900	Standoffs	SMT	0-80	0.062 in	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-3.6-3ET PEM 1: $1.151 63.831In Stock 490.000On Order	Mfr. Part # SMTSO-3.6-3ET Mouser Part # 153-SMTSO-3.6-3ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	63.831In Stock 490.000On Order On Order Ship Dates Mfr. #: SMTSO-3.6-3ET Stock: 63.831 Can Ship Immediately On Order: 133.000 Expected 11/6/2026 135.000 Expected 1/5/2027 216.000 Expected 3/15/2027 6.000 TBD Factory Lead-Time: 21 Weeks	Cut Tape $1.151 $864 $672 $633 Reel $620 View $599 $579 $558 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Standoffs	SMT			Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-8ET PEM 1: $1.481 42.637In Stock 59.800Expected 11/4/2026	Mfr. Part # SMTSO-440-8ET Mouser Part # 153-SMTSO-440-8ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	42.637In Stock 59.800Expected 11/4/2026	Cut Tape $1.481 $1.110 $864 Reel $815 $796 View $770 $744 $717 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	4-40	0.25 in	Steel	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-832-2ET PEM 1: $1.379 30.865In Stock 33.000Expected 12/28/2026	Mfr. Part # SMTSO-832-2ET Mouser Part # 153-SMTSO-832-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	30.865In Stock 33.000Expected 12/28/2026	Cut Tape $1.379 $1.030 $802 $756 Reel $739 View $714 $690 $665 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.100	Standoffs	SMT	8-32	0.062 in			Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M2-6ET PEM 1: $1.732 31.654In Stock	Mfr. Part # SMTSO-M2-6ET Mouser Part # 153-SMTSO-M2-6ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	31.654In Stock	Cut Tape $1.732 $1.287 $1.006 Reel $948 $927 View $897 $866 $834 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	M2	6 mm			Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M3-3ET PEM 1: $1.173 204.388In Stock 100.000Expected 11/4/2026	Mfr. Part # SMTSO-M3-3ET Mouser Part # 153-SMTSO-M3-3ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	204.388In Stock 100.000Expected 11/4/2026	Cut Tape $1.173 $883 $688 $648 Reel $635 View $613 $591 $571 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Standoffs	SMT	M3	3 mm	Steel	Zinc	Reel, Cut Tape, MouseReel

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