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4 mm Semiconductors

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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.
RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 768kB, 64kB(RAM), 20 GPIO EFR32BG21B010F768IM32-B Silicon Labs 1: £4.23 980In Stock	Mfr. Part No. EFR32BG21B010F768IM32-B Mouser Part No 634-32BG21B10768M32B	Silicon Labs	RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 768kB, 64kB(RAM), 20 GPIO Learn More about Silicon Labs silabs efr32bg21 socs	Datasheet	980In Stock	£4.23 £3.22 £2.98 £2.70 View £2.56 £2.50 £2.49	Min.: 1 Mult.: 1
RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO EFR32BG21A020F1024IM32-BR Silicon Labs 1: £5.38 241In Stock	Mfr. Part No. EFR32BG21A020F1024IM32-BR Mouser Part No 634-B21A020F102432BR	Silicon Labs	RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO Learn More about Silicon Labs silabs efr32bg21 socs	Datasheet	241In Stock	Cut Tape £5.38 £4.32 £4.05 £3.72 View Reel £3.12 £3.54 £3.41 £3.32 £3.12 Quote	Min.: 1 Mult.: 1 : 2,500
RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO EFR32BG21A010F512IM32-B Silicon Labs 1: £3.36 81In Stock	Mfr. Part No. EFR32BG21A010F512IM32-B Mouser Part No 634-BG21A010F51232B	Silicon Labs	RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO Learn More about Silicon Labs silabs efr32bg21 socs	Datasheet	81In Stock	£3.36 £2.58 £2.37 £2.12 View £2.01 £1.96 £1.86 £1.80 £1.76	Min.: 1 Mult.: 1
RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO EFR32BG21A010F512IM32-BR Silicon Labs 1: £3.00 134In Stock	Mfr. Part No. EFR32BG21A010F512IM32-BR Mouser Part No 634-BG21A010F51232BR	Silicon Labs	RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO Learn More about Silicon Labs silabs efr32bg21 socs	Datasheet	134In Stock	Cut Tape £3.00 £2.23 £2.05 £1.84 View Reel £1.66 £1.74 £1.69 £1.67 £1.66	Min.: 1 Mult.: 1 : 2,500
RF System on a Chip - SoC Blue Gecko, TQFN32, 2.4G, 6dB, Bluetooth 5.2, 512kB, 32kB(RAM), 18 GPIO EFR32BG22C224F512GN32-C Silicon Labs 1: £2.60 102In Stock	Mfr. Part No. EFR32BG22C224F512GN32-C Mouser Part No 634-ER32BG22512GN32C	Silicon Labs	RF System on a Chip - SoC Blue Gecko, TQFN32, 2.4G, 6dB, Bluetooth 5.2, 512kB, 32kB(RAM), 18 GPIO Learn More about Silicon Labs efr32bg22	Datasheet	102In Stock	£2.60 £1.97 £1.80 £1.62 View £1.53 £1.49 £1.42 £1.38 £1.34	Min.: 1 Mult.: 1
RF System on a Chip - SoC Blue Gecko, TQFN32, 2.4G, 6dB, Bluetooth 5.2, 512kB, 32kB(RAM), 18 GPIO EFR32BG22C224F512GN32-CR Silicon Labs 1: £2.30 635In Stock	Mfr. Part No. EFR32BG22C224F512GN32-CR Mouser Part No 634-ER32BG22512GN3CR	Silicon Labs	RF System on a Chip - SoC Blue Gecko, TQFN32, 2.4G, 6dB, Bluetooth 5.2, 512kB, 32kB(RAM), 18 GPIO Learn More about Silicon Labs efr32bg22	Datasheet	635In Stock	Cut Tape £2.30 £1.72 £1.57 £1.41 £1.34 Reel £1.22	Min.: 1 Mult.: 1 : 2,500
RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 6dB, Bluetooth 5.2, 512kB, 32kB(RAM), 18 GPIO EFR32BG22C224F512IM32-C Silicon Labs 1: £2.44 234In Stock	Mfr. Part No. EFR32BG22C224F512IM32-C Mouser Part No 634-ER32BG22512IM32C	Silicon Labs	RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 6dB, Bluetooth 5.2, 512kB, 32kB(RAM), 18 GPIO Learn More about Silicon Labs efr32bg22	Datasheet	234In Stock	£2.44 £1.96 £1.80 £1.62 View £1.53 £1.49 £1.41 £1.37 £1.34	Min.: 1 Mult.: 1
RF System on a Chip - SoC Bluetooth BLE IC, 4x4mm, Industrial Temp IS1871SF-202-TRAY Microchip Technology 1: £1.68 488In Stock	Mfr. Part No. IS1871SF-202-TRAY Mouser Part No 579-IS1871SF202-TRAY	Microchip Technology	RF System on a Chip - SoC Bluetooth BLE IC, 4x4mm, Industrial Temp Learn More about Microchip Technology microchip is1870 is1871 socs	Datasheet	488In Stock	£1.68 £1.54 £1.41	Min.: 1 Mult.: 1
RF System on a Chip - SoC Mighty Gecko, QFN32, 2.4G, 10dB, mesh multiprotocol, 768kB, 64kB(RAM), 20 GPIO EFR32MG21B010F768IM32-B Silicon Labs 1: £4.18 486In Stock	Mfr. Part No. EFR32MG21B010F768IM32-B Mouser Part No 634-32MG21B10768M32B	Silicon Labs	RF System on a Chip - SoC Mighty Gecko, QFN32, 2.4G, 10dB, mesh multiprotocol, 768kB, 64kB(RAM), 20 GPIO Learn More about Silicon Labs silabs efr32mg21 socs	Datasheet	486In Stock	£4.18 £3.20 £2.94 £2.66 View £2.54 £2.46 £2.45	Min.: 1 Mult.: 1
RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO EFR32BG21A010F1024IM32-B Silicon Labs 1: £4.17 31In Stock	Mfr. Part No. EFR32BG21A010F1024IM32-B Mouser Part No 634-BG21A010F102432B	Silicon Labs	RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO Learn More about Silicon Labs silabs efr32bg21 socs	Datasheet	31In Stock	£4.17 £3.43 £3.20 £2.89 View £2.76 £2.66 £2.62 £2.57	Min.: 1 Mult.: 1
RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO EFR32BG21A020F1024IM32-B Silicon Labs 1: £5.38 12In Stock	Mfr. Part No. EFR32BG21A020F1024IM32-B Mouser Part No 634-BG21A020F102432B	Silicon Labs	RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO Learn More about Silicon Labs silabs efr32bg21 socs	Datasheet	12In Stock	£5.38 £4.16 £3.87 £3.51 View £3.30 £3.20 £3.17 £3.12	Min.: 1 Mult.: 1
RF System on a Chip - SoC Mighty Gecko, QFN32, 2.4G, 10dB, mesh multiprotocol, 768kB, 64kB(RAM), 20 GPIO EFR32MG21A010F768IM32-B Silicon Labs 1: £3.88 503In Stock	Mfr. Part No. EFR32MG21A010F768IM32-B Mouser Part No 634-MG21A010F76832B	Silicon Labs	RF System on a Chip - SoC Mighty Gecko, QFN32, 2.4G, 10dB, mesh multiprotocol, 768kB, 64kB(RAM), 20 GPIO Learn More about Silicon Labs silabs efr32mg21 socs	Datasheet	503In Stock	£3.88 £3.06 £2.82 £2.55 View £2.41 £2.37 £2.25 £2.19	Min.: 1 Mult.: 1
Bridge Rectifiers Bridge, 3phase, DBI, 1800V, 25A, 175C, 370A DBI25-18A Diotec Semiconductor 1: £7.31 350In Stock	Mfr. Part No. DBI25-18A Mouser Part No 637-DBI25-18A	Diotec Semiconductor	Bridge Rectifiers Bridge, 3phase, DBI, 1800V, 25A, 175C, 370A Learn More about Diotec Semiconductor diotec dbi25 rectifiers	Datasheet	350In Stock	£7.31 £3.93 £3.68 £3.13	Min.: 1 Mult.: 1
Bridge Rectifiers Bridge, 3phase, DBI, 800V, 25A, 175C, 370A DBI25-08A Diotec Semiconductor 1: £6.73 41In Stock	Mfr. Part No. DBI25-08A Mouser Part No 637-DBI25-08A	Diotec Semiconductor	Bridge Rectifiers Bridge, 3phase, DBI, 800V, 25A, 175C, 370A Learn More about Diotec Semiconductor diotec dbi25 rectifiers	Datasheet	41In Stock	£6.73 £3.59 £3.35 £2.85	Min.: 1 Mult.: 1
Bridge Rectifiers Bridge, 3phase, DBI, 1200V, 25A, 175C, 370A DBI25-12A Diotec Semiconductor 1: £6.91 68In Stock 300Expected 20/11/2026	Mfr. Part No. DBI25-12A Mouser Part No 637-DBI25-12A	Diotec Semiconductor	Bridge Rectifiers Bridge, 3phase, DBI, 1200V, 25A, 175C, 370A Learn More about Diotec Semiconductor diotec dbi25 rectifiers	Datasheet	68In Stock 300Expected 20/11/2026	£6.91 £3.69 £3.45 £2.93	Min.: 1 Mult.: 1
Bridge Rectifiers Bridge, 3phase, DBI, 1600V, 25A, 175C, 370A DBI25-16A Diotec Semiconductor 1: £7.46 262In Stock	Mfr. Part No. DBI25-16A Mouser Part No 637-DBI25-16A	Diotec Semiconductor	Bridge Rectifiers Bridge, 3phase, DBI, 1600V, 25A, 175C, 370A Learn More about Diotec Semiconductor diotec dbi25 rectifiers	Datasheet	262In Stock	£7.46 £4.81 £3.75 £3.20 £3.08	Min.: 1 Mult.: 1
Bridge Rectifiers 150ns, 0.8A, 200V, Fast Recovery Bridge Rectifier RMB2S Taiwan Semiconductor 1: £0.743 29In Stock 3,000Expected 06/10/2026	Mfr. Part No. RMB2S Mouser Part No 821-RMB2S	Taiwan Semiconductor	Bridge Rectifiers 150ns, 0.8A, 200V, Fast Recovery Bridge Rectifier	Datasheet	29In Stock 3,000Expected 06/10/2026	Cut Tape £0.743 £0.34 £0.299 £0.229 Reel £0.177 View £0.223 £0.173 £0.16 £0.155 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Bridge Rectifiers 150ns, 0.8A, 400V, Fast Recovery Bridge Rectifier RMB4S Taiwan Semiconductor 1: £0.818 3,275In Stock	Mfr. Part No. RMB4S Mouser Part No 821-RMB4S	Taiwan Semiconductor	Bridge Rectifiers 150ns, 0.8A, 400V, Fast Recovery Bridge Rectifier	Datasheet	3,275In Stock	Cut Tape £0.818 £0.378 £0.335 £0.264 Reel £0.196 View £0.168 £0.148 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Bridge Rectifiers MD-S,MiniDip,0.8A 50V,Bridge,SM,GP MD1S-W Rectron 1: £0.66 1,728In Stock	Mfr. Part No. MD1S-W Mouser Part No 583-MD1S	Rectron	Bridge Rectifiers MD-S,MiniDip,0.8A 50V,Bridge,SM,GP	Datasheet	1,728In Stock	Cut Tape £0.66 £0.405 £0.267 £0.21 Reel £0.155 View £0.185 £0.143 £0.132 £0.121 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Bridge Rectifiers MD-S,MiniDip,0.8A 400V,Bridge,SM,GP MD4S-W Rectron 1: £0.707 2,636In Stock	Mfr. Part No. MD4S-W Mouser Part No 583-MD4S	Rectron	Bridge Rectifiers MD-S,MiniDip,0.8A 400V,Bridge,SM,GP	Datasheet	2,636In Stock	Cut Tape £0.707 £0.434 £0.285 £0.224 Reel £0.167 View £0.197 £0.154 £0.141 £0.13 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Bridge Rectifiers 0.5A 200V RH02-T Diodes Incorporated 1: £1.32 42,000Factory Stock Available	Mfr. Part No. RH02-T Mouser Part No 621-RH02-T	Diodes Incorporated	Bridge Rectifiers 0.5A 200V	Datasheet	42,000Factory Stock Available More Info Available	Cut Tape £1.32 £0.818 £0.535 £0.421 £0.36 Reel £0.271 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO EFR32BG21B010F1024IM32-D Silicon Labs 2,450: £2.93 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. EFR32BG21B010F1024IM32-D Mouser Part No 634-21B010024IM32D	Silicon Labs	RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO	Datasheet	Non-Stocked Lead-Time 8 Weeks	£2.93	Min.: 2,450 Mult.: 2,450
RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO EFR32BG21B010F1024IM32-BR Silicon Labs 1: £5.36 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFR32BG21B010F1024IM32-BR Mouser Part No 634-2BG21B10024M32BR	Silicon Labs	RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO Learn More about Silicon Labs silabs efr32bg21 socs	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape £5.36 £4.35 £4.05 £3.69 View Reel £2.89 £3.49 £3.36 £3.27 £2.89 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500
RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 6dB, Bluetooth 5.2, 512kB, 32kB(RAM), 18 GPIO EFR32BG22E224F512IM32-CR Silicon Labs 2,500: £1.42 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFR32BG22E224F512IM32-CR Mouser Part No 634-2BG22E224F51232R	Silicon Labs	RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 6dB, Bluetooth 5.2, 512kB, 32kB(RAM), 18 GPIO Learn More about Silicon Labs efr32bg22e socs	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £1.42	Min.: 2,500 Mult.: 2,500 : 2,500
RF System on a Chip - SoC Flex Gecko, QFN32, 2.4G, 6dB, Proprietary, 512kB, 32kB(RAM), 18 GPIO EFR32FG22E121F512IM32-CR Silicon Labs 2,500: £1.53 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. EFR32FG22E121F512IM32-CR Mouser Part No 634-2FG22E121F51232R	Silicon Labs	RF System on a Chip - SoC Flex Gecko, QFN32, 2.4G, 6dB, Proprietary, 512kB, 32kB(RAM), 18 GPIO Learn More about Silicon Labs efr32fg22e socs	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel £1.53	Min.: 2,500 Mult.: 2,500 : 2,500

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