21 mm – Mouser United Kingdom

By manufacturer

Availability options

In Stock Normally Stocked RoHS Compliant Active New Products

Applied filters

Please modify your search so that it will return results.

Search within results

Selection options

Select action

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Automotive Connectors 4-Way Receptacle Male Connector with Strain Relief, Reduced Diameter Seal, Yellow AT04-4P-SR02YEL Amphenol SINE Systems 1: £3.14 385Expected 11/11/2026	Mfr. Part No. AT04-4P-SR02YEL Mouser Part No 654-AT04-4P-SR02YEL	Amphenol SINE Systems	Automotive Connectors 4-Way Receptacle Male Connector with Strain Relief, Reduced Diameter Seal, Yellow Learn More about Amphenol SINE Systems amphenol AT SR01	Datasheet	385Expected 11/11/2026	£3.14 £2.86 £2.71 £2.07 View £1.91 £1.88 £1.84 £1.83 £1.82	Min.: 1 Mult.: 1
Industrial Relays PLUG-IN RELAY 250V 12A RXM RXM2AB1BD Schneider Electric 1: £5.73 12Expected 16/11/2026	Mfr. Part No. RXM2AB1BD Mouser Part No 996-RXM2AB1BD	Schneider Electric	Industrial Relays PLUG-IN RELAY 250V 12A RXM Learn More about Schneider Electric rxm relays	Datasheet	12Expected 16/11/2026	£5.73	Min.: 1 Mult.: 1
Industrial Relays PLUG-IN RELAY 250V 12A RXM RXM2AB1JD Schneider Electric 1: £5.73 10Expected 18/12/2026	Mfr. Part No. RXM2AB1JD Mouser Part No 996-RXM2AB1JD	Schneider Electric	Industrial Relays PLUG-IN RELAY 250V 12A RXM Learn More about Schneider Electric rxm relays	Datasheet	10Expected 18/12/2026	£5.73	Min.: 1 Mult.: 1
Industrial Relays PLUG-IN RELAY 250V 6A RXM RXM4AB2JD Schneider Electric 1: £7.35 17On Order	Mfr. Part No. RXM4AB2JD Mouser Part No 996-RXM4AB2JD	Schneider Electric	Industrial Relays PLUG-IN RELAY 250V 6A RXM Learn More about Schneider Electric rxm relays	Datasheet	17On Order	£7.35	Min.: 1 Mult.: 1
Safety Capacitors F339X1 2.2 F 10 330Vac Vishay / BC Components F339X152233KKI2B0 F339X152233KKI2B0 Vishay / BC Components 1: £5.99 63Expected 07/12/2026 New At Mouser	Mfr. Part No. F339X152233KKI2B0 Mouser Part No 594-F339X152233KKI2B New At Mouser	Vishay / BC Components	Safety Capacitors F339X1 2.2 F 10 330Vac	Datasheet	63Expected 07/12/2026	£5.99 £4.45 £3.64 £3.40 View £3.13 Quote	Min.: 1 Mult.: 1
EMI Gaskets, Sheets, Absorbers & Shielding 25 x 21 x 4mm One-piece Drawn-Seamless RF Shield/EMI Shield (CRS) MS250-10S Masach 1: £1.10 3,195Expected 03/11/2026	Mfr. Part No. MS250-10S Mouser Part No 388-MS250-10S	Masach	EMI Gaskets, Sheets, Absorbers & Shielding 25 x 21 x 4mm One-piece Drawn-Seamless RF Shield/EMI Shield (CRS) Learn More about Masach tin steel emi rfi shields	Datasheet	3,195Expected 03/11/2026	£1.10 £0.952 £0.841 £0.796 View £0.759 £0.70 £0.574 £0.555	Min.: 1 Mult.: 1
Automotive Connectors Female MTW Connector MWTRB-06-1A-R JST Automotive 1: £0.728 10,300On Order	Mfr. Part No. MWTRB-06-1A-R Mouser Part No 306-MWTRB-06-1A-R	JST Automotive	Automotive Connectors Female MTW Connector Learn More about JST Automotive jst mwt connectors	Datasheet	10,300On Order On Order Ship Dates Mfr. No: MWTRB-06-1A-R Stock: 0 On Order: 2,800 Expected 30/12/2026 7,500 Expected 01/01/2027 Factory Lead Time: 19 Weeks	£0.728 £0.681	Min.: 1 Mult.: 1
Heat Sinks Omnidirection Heat Sink for 21mm BGA/Super BGA/PBGA/FPBGA, 6.4mm, Chomerics T412 624-25ABT3 Wakefield Thermal 1: £2.16 2,781Expected 12/11/2026	Mfr. Part No. 624-25ABT3 Mouser Part No 567-624-25ABT3	Wakefield Thermal	Heat Sinks Omnidirection Heat Sink for 21mm BGA/Super BGA/PBGA/FPBGA, 6.4mm, Chomerics T412	Datasheet	2,781Expected 12/11/2026	£2.16 £1.98 £1.69 £1.62 View £1.55 £1.50	Min.: 1 Mult.: 1
Heat Sinks Omnidirectional Heat Sink for 21mm BGA/Super BGA/PBGA/FPBGA, 11.4mm, T412 624-45ABT3 Wakefield Thermal 1: £2.30 4,800On Order	Mfr. Part No. 624-45ABT3 Mouser Part No 567-624-45ABT3	Wakefield Thermal	Heat Sinks Omnidirectional Heat Sink for 21mm BGA/Super BGA/PBGA/FPBGA, 11.4mm, T412	Datasheet	4,800On Order On Order Ship Dates Mfr. No: 624-45ABT3 Stock: 0 On Order: 1,600 Expected 10/02/2027 3,200 Expected 05/03/2027 Factory Lead Time: 16 Weeks	£2.30	Min.: 1 Mult.: 1
Aluminium Electrolytic Capacitors - SMD 330uF 100V High Vibration AFK337M2AR44VT-F Knowles / Illinois Capacitor 1: £5.23 625Expected 22/03/2027	Mfr. Part No. AFK337M2AR44VT-F Mouser Part No 598-AFK337M2AR44VTF	Knowles / Illinois Capacitor	Aluminium Electrolytic Capacitors - SMD 330uF 100V High Vibration Learn More about Knowles / Illinois Capacitor cde afk afk_v capacitors	Datasheet	625Expected 22/03/2027	Cut Tape £5.23 £3.86 £3.20 Reel £2.65 MouseReel Available	Min.: 1 Mult.: 1 : 125
Aluminium Electrolytic Capacitors - SMD 100V 330uF 18X16.5 AEC-Q200 AFK337M2AR44T-F Knowles / Illinois Capacitor 1: £4.64 598Expected 11/01/2027	Mfr. Part No. AFK337M2AR44T-F Mouser Part No 5985-AFK100V330-F	Knowles / Illinois Capacitor	Aluminium Electrolytic Capacitors - SMD 100V 330uF 18X16.5 AEC-Q200 Learn More about Knowles / Illinois Capacitor cde afk afk_v capacitors	Datasheet	598Expected 11/01/2027	Cut Tape £4.64 £3.24 £2.72 Reel £2.11 MouseReel Available	Min.: 1 Mult.: 1 : 125
Switch Fixings BLACK RECTANGULAR SHROUD FOR MB20, SCB AT453B NKK Switches 1: £2.47 42Factory Stock Available	Mfr. Part No. AT453B Mouser Part No 633-AT453B	NKK Switches	Switch Fixings BLACK RECTANGULAR SHROUD FOR MB20, SCB	Datasheet	42Factory Stock Available More Info Available	£2.47 £1.99 £1.94 £1.90 View £1.86 £1.84	Min.: 1 Mult.: 1
Heat Sinks maxiFLOW Heat Sink with maxiGRIP Attachment, T766, Blue-Anodized, 21x21x7.5mm ATS-50210B-C1-R0 Advanced Thermal Solutions 1: £11.62 3,748Factory Stock Available	Mfr. Part No. ATS-50210B-C1-R0 Mouser Part No 984-ATS-50210B-C1-R0	Advanced Thermal Solutions	Heat Sinks maxiFLOW Heat Sink with maxiGRIP Attachment, T766, Blue-Anodized, 21x21x7.5mm Learn More about Advanced Thermal Solutions ats maxiflow	Datasheet	3,748Factory Stock Available More Info Available	£11.62 £11.11 £10.12 £8.70	Min.: 1 Mult.: 1
Heat Sinks maxiFLOW Heat Sink with maxiGRIP Attachment, T766, Blue-Anodized, 21x21x12.5mm ATS-50210G-C1-R0 Advanced Thermal Solutions 100: £9.88 3,349Factory Stock Available	Mfr. Part No. ATS-50210G-C1-R0 Mouser Part No 984-ATS-50210G-C1-R0	Advanced Thermal Solutions	Heat Sinks maxiFLOW Heat Sink with maxiGRIP Attachment, T766, Blue-Anodized, 21x21x12.5mm Learn More about Advanced Thermal Solutions ats maxiflow	Datasheet	3,349Factory Stock Available More Info Available	£9.88 £9.36 £9.14	Min.: 100 Mult.: 100
Heat Sinks maxiFLOW Heat Sink with maxiGRIP Attachment, T766, Blue-Anodized, 21x21x17.5mm ATS-50210P-C1-R0 Advanced Thermal Solutions 100: £10.59 1,750Factory Stock Available	Mfr. Part No. ATS-50210P-C1-R0 Mouser Part No 984-ATS-50210P-C1-R0	Advanced Thermal Solutions	Heat Sinks maxiFLOW Heat Sink with maxiGRIP Attachment, T766, Blue-Anodized, 21x21x17.5mm Learn More about Advanced Thermal Solutions ats maxiflow	Datasheet	1,750Factory Stock Available More Info Available	£10.59 £10.17 £9.90	Min.: 100 Mult.: 100
Heat Sinks maxiFLOW BGA Heat Sink w/maxiGRIP Attachment, 21x21x9.5mm, 34.6mm Fin Tip ATS-51210D-C1-R0 Advanced Thermal Solutions 100: £9.40 1,374Factory Stock Available	Mfr. Part No. ATS-51210D-C1-R0 Mouser Part No 984-ATS-51210D-C1-R0	Advanced Thermal Solutions	Heat Sinks maxiFLOW BGA Heat Sink w/maxiGRIP Attachment, 21x21x9.5mm, 34.6mm Fin Tip Learn More about Advanced Thermal Solutions ats maxiflow	Datasheet	1,374Factory Stock Available More Info Available	£9.40 £9.04 £8.83	Min.: 100 Mult.: 100
Heat Sinks maxiFLOW BGA Heat Sink w/maxiGRIP Attachment, 21x21x19.5mm, 38.2mm Fin Tip ATS-51210R-C1-R0 Advanced Thermal Solutions 100: £10.96 882Factory Stock Available	Mfr. Part No. ATS-51210R-C1-R0 Mouser Part No 984-ATS-51210R-C1-R0	Advanced Thermal Solutions	Heat Sinks maxiFLOW BGA Heat Sink w/maxiGRIP Attachment, 21x21x19.5mm, 38.2mm Fin Tip Learn More about Advanced Thermal Solutions ats maxiflow	Datasheet	882Factory Stock Available More Info Available	£10.96	Min.: 100 Mult.: 100
Heat Sinks maxiGRIP BGA Heat Sink w/Attachment, Straight Fin, Black, T766, 21x21x9.5mm ATS-53210D-C1-R0 Advanced Thermal Solutions 1: £11.24 925Factory Stock Available	Mfr. Part No. ATS-53210D-C1-R0 Mouser Part No 984-ATS-53210D-C1-R0	Advanced Thermal Solutions	Heat Sinks maxiGRIP BGA Heat Sink w/Attachment, Straight Fin, Black, T766, 21x21x9.5mm	Datasheet	925Factory Stock Available More Info Available	£11.24 £10.06 £9.58 £9.18 View £8.66 £8.34 £8.16	Min.: 1 Mult.: 1
Heat Sinks maxiGRIP BGA Heat Sink+Attachment, Hi Performance, Straight, T766, 21x21x14.5mm ATS-53210K-C1-R0 Advanced Thermal Solutions 1: £12.07 1,934Factory Stock Available	Mfr. Part No. ATS-53210K-C1-R0 Mouser Part No 984-ATS-53210K-C1-R0	Advanced Thermal Solutions	Heat Sinks maxiGRIP BGA Heat Sink+Attachment, Hi Performance, Straight, T766, 21x21x14.5mm	Datasheet	1,934Factory Stock Available More Info Available	£12.07 £10.77 £10.27 £9.88 View £9.48 £8.97 £8.76 Quote	Min.: 1 Mult.: 1
Heat Sinks maxiGRIP BGA Heat Sink w/Attachment, Straight Fin, Black, T766, 21x21x19.5mm ATS-53210R-C1-R0 Advanced Thermal Solutions 100: £9.58 2,810Factory Stock Available	Mfr. Part No. ATS-53210R-C1-R0 Mouser Part No 984-ATS-53210R-C1-R0	Advanced Thermal Solutions	Heat Sinks maxiGRIP BGA Heat Sink w/Attachment, Straight Fin, Black, T766, 21x21x19.5mm	Datasheet	2,810Factory Stock Available More Info Available	£9.58 £9.26 £9.11	Min.: 100 Mult.: 100
Heat Sinks Heat Sink, High Performance, X-Cut, Double-Side Tape, T412, 21x21x14.5mm ATS-55210K-C1-R0 Advanced Thermal Solutions 1: £8.65 2,800Factory Stock Available	Mfr. Part No. ATS-55210K-C1-R0 Mouser Part No 984-ATS-55210K-C1-R0	Advanced Thermal Solutions	Heat Sinks Heat Sink, High Performance, X-Cut, Double-Side Tape, T412, 21x21x14.5mm	Datasheet	2,800Factory Stock Available More Info Available	£8.65 £7.96 £7.59 £7.23 View £6.85 £6.36 £6.18 £6.03	Min.: 1 Mult.: 1
Heat Sinks Heat Sink, High Performance, X-Cut, Double-Side Tape, T412, 21x21x19.5mm ATS-55210R-C1-R0 Advanced Thermal Solutions 1: £9.14 2,400Factory Stock Available	Mfr. Part No. ATS-55210R-C1-R0 Mouser Part No 984-ATS-55210R-C1-R0	Advanced Thermal Solutions	Heat Sinks Heat Sink, High Performance, X-Cut, Double-Side Tape, T412, 21x21x19.5mm	Datasheet	2,400Factory Stock Available More Info Available	£9.14 £8.17 £7.78 £7.43 View £7.16 £6.78 £6.61 £6.39	Min.: 1 Mult.: 1
Heat Sinks maxiGRIP Heat Sink Assembly, Black-Anodized, T766, 21mm Comp, 28x45x11mm ATS-59001-C1-R0 Advanced Thermal Solutions 100: £27.38 100Factory Stock Available	Mfr. Part No. ATS-59001-C1-R0 Mouser Part No 984-ATS-59001-C1-R0	Advanced Thermal Solutions	Heat Sinks maxiGRIP Heat Sink Assembly, Black-Anodized, T766, 21mm Comp, 28x45x11mm Learn More about Advanced Thermal Solutions ats freescale bga	Datasheet	100Factory Stock Available More Info Available	£27.38 £26.92 Quote Quote	Min.: 100 Mult.: 100
Heat Sinks clipKIT Attachment Heat Sink to PCB for Component Size 21x21mm, maxiGRIP Tech ATS-MG210-R0 Advanced Thermal Solutions 1: £5.82 15,113Factory Stock Available	Mfr. Part No. ATS-MG210-R0 Mouser Part No 984-ATS-MG210-R0	Advanced Thermal Solutions	Heat Sinks clipKIT Attachment Heat Sink to PCB for Component Size 21x21mm, maxiGRIP Tech Learn More about Advanced Thermal Solutions ats maxigrip clipkit heat sink attachments	Datasheet	15,113Factory Stock Available More Info Available	£5.82 £5.20 £4.96 £4.78 View £4.57 £4.30 £4.22 £4.07 £4.00	Min.: 1 Mult.: 1
Heat Sinks clipKIT Attachment Heat Sink to PCB for Component Size 21x21mm, superGRIP Tech ATS-SG210-R0 Advanced Thermal Solutions 1: £7.10 3,200Factory Stock Available	Mfr. Part No. ATS-SG210-R0 Mouser Part No 984-ATS-SG210-R0	Advanced Thermal Solutions	Heat Sinks clipKIT Attachment Heat Sink to PCB for Component Size 21x21mm, superGRIP Tech Learn More about Advanced Thermal Solutions ats supergrip clipkit heat sink attachments	Datasheet	3,200Factory Stock Available More Info Available	£7.10 £6.35 £6.04 £5.82 View £5.47 £5.21 £5.13 £5.03 £4.81	Min.: 1 Mult.: 1

Filters

Applied filters

Customer Service Office

Company

Resources

Support

Share This

Electronic Components

Industrial Automation

Filters

Applied filters