Class 2 Transformers – Mouser United Kingdom

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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.
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-3 ST-3-56 Bel Signal Transformer 1: £8.79 13In Stock	Mfr. Part No. ST-3-56 Mouser Part No 530-ST-3-56	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-3 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	13In Stock	£8.79 £8.17 £8.01 £7.23 £6.14	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-4 ST-4-16 Bel Signal Transformer 1: £10.16 44In Stock 200On Order	Mfr. Part No. ST-4-16 Mouser Part No 530-ST-4-16	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-4 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	44In Stock 200On Order	£10.16 £9.16 £8.78 £7.46 View £7.25 £6.84 £6.48 £6.30	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-4 ST-4-20 Bel Signal Transformer 1: £9.39 148In Stock	Mfr. Part No. ST-4-20 Mouser Part No 530-ST-4-20	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-4 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	148In Stock	£9.39 £8.61 £8.24 £8.23 View £7.16 £6.87 £6.70 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-4 ST-4-24 Bel Signal Transformer 1: £8.62 120In Stock 500Expected 20/11/2026	Mfr. Part No. ST-4-24 Mouser Part No 530-ST-4-24	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-4 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	120In Stock 500Expected 20/11/2026	£8.62 £7.91 £7.43 £7.16 View £6.94 £6.74 £6.71 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-4 ST-4-28 Bel Signal Transformer 1: £10.71 77In Stock	Mfr. Part No. ST-4-28 Mouser Part No 530-ST-4-28	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-4 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	77In Stock	£10.71 £9.82 £9.24 £8.90 View £8.70 £8.56 £7.46	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-4 ST-4-36 Bel Signal Transformer 1: £10.51 60In Stock 100Expected 09/12/2026	Mfr. Part No. ST-4-36 Mouser Part No 530-ST-4-36	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-4 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	60In Stock 100Expected 09/12/2026	£10.51 £9.63 £9.05 £8.72 View £8.26 £7.73 £7.45 £7.32	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-5 ST-5-16 Bel Signal Transformer 1: £11.90 122In Stock	Mfr. Part No. ST-5-16 Mouser Part No 530-ST-5-16	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-5 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	122In Stock	£11.90 £10.42 £8.69 £8.44 View £8.21 £7.72 £7.45 £7.33 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-5 ST-5-20 Bel Signal Transformer 1: £11.77 43In Stock	Mfr. Part No. ST-5-20 Mouser Part No 530-ST-5-20	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-5 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	43In Stock	£11.77 £10.76 £10.10 £9.73 View £9.38 £8.70 £8.45 £8.37	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-5 ST-5-28 Bel Signal Transformer 1: £12.27 19In Stock	Mfr. Part No. ST-5-28 Mouser Part No 530-ST-5-28	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-5 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	19In Stock	£12.27 £10.99 £10.60 £9.20 View £8.95 £8.34 £8.23	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-5 ST-5-48 Bel Signal Transformer 1: £18.37 26In Stock	Mfr. Part No. ST-5-48 Mouser Part No 530-ST-5-48	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-5 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	26In Stock	£18.37 £17.02 £14.47 £13.86 View £13.77 £13.47 £13.30 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-6 ST-6-24 Bel Signal Transformer 1: £18.36 5In Stock	Mfr. Part No. ST-6-24 Mouser Part No 530-ST-6-24	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-6 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	5In Stock	£18.36 £15.73 £15.08 £13.22 View £12.91 £12.39 £12.04 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-6 ST-6-28 Bel Signal Transformer 1: £19.09 14In Stock	Mfr. Part No. ST-6-28 Mouser Part No 530-ST-6-28	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-6 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	14In Stock	£19.09 £17.90 £12.41 £12.23 View £12.09 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-7 ST-7-12 Bel Signal Transformer 1: £23.41 17In Stock	Mfr. Part No. ST-7-12 Mouser Part No 530-ST-7-12	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-7 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	17In Stock	£23.41 £22.46 £16.64 £14.58 View £14.41 £14.25 £14.08 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-7 ST-7-20 Bel Signal Transformer 1: £15.80 40In Stock	Mfr. Part No. ST-7-20 Mouser Part No 530-ST-7-20	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-7 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	40In Stock	£15.80 £15.35 £15.34 £14.22 View £14.12 £13.88 £13.70 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-7 ST-7-48 Bel Signal Transformer 1: £23.70 9In Stock	Mfr. Part No. ST-7-48 Mouser Part No 530-ST-7-48	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-7 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	9In Stock	£23.70 £22.77 £16.81 £14.68 View £14.54 £14.35 £14.17 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-4 DST-4-56 Bel Signal Transformer 1: £14.19 42In Stock	Mfr. Part No. DST-4-56 Mouser Part No 530-DST-4-56	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-4 Learn More about Bel Signal Transformer signal transformers dst transformers	Datasheet	42In Stock	£14.19 £13.92 £13.01 £10.64 View £10.04 £10.03	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-5 DST-5-56 Bel Signal Transformer 1: £14.59 4In Stock	Mfr. Part No. DST-5-56 Mouser Part No 530-DST-5-56	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-5 Learn More about Bel Signal Transformer signal transformers dst transformers	Datasheet	4In Stock	£14.59 £12.39 £10.33 £10.16 View £10.10 £10.06	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-6 DST-6-120 Bel Signal Transformer 1: £18.28 1In Stock	Mfr. Part No. DST-6-120 Mouser Part No 530-DST-6-120	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-6 Learn More about Bel Signal Transformer signal transformers dst transformers	Datasheet	1In Stock	£18.28 £16.94 £13.79 £13.24 View £13.06 £12.81 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-7 DST-7-120 Bel Signal Transformer 1: £22.34 16In Stock	Mfr. Part No. DST-7-120 Mouser Part No 530-DST-7-120	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN DST-7 Learn More about Bel Signal Transformer signal transformers dst transformers	Datasheet	16In Stock	£22.34 £21.74 £16.41 £16.04 View £15.96 £15.87 Quote	Min.: 1 Mult.: 1
Power Transformers - Board Mount POWER XFMR 12.6 Vct at 90 mA UL/cUL - Class 2, TUV, 115/230V PCB MOUNT FS12-090-C2 Triad Magnetics 1: £4.39 1,428In Stock	Mfr. Part No. FS12-090-C2 Mouser Part No 553-FS12-090-C2	Triad Magnetics	Power Transformers - Board Mount POWER XFMR 12.6 Vct at 90 mA UL/cUL - Class 2, TUV, 115/230V PCB MOUNT	Datasheet	1,428In Stock	£4.39 £3.88 £3.70 £3.62 View £3.51 £3.32 £3.26 £3.15	Min.: 1 Mult.: 1
Power Transformers - Industrial 120/208/240 at 60 Hz O/P 24V 1.67A VA 40 90-T40F3 White-Rodgers 1: £25.06 763In Stock	Mfr. Part No. 90-T40F3 Mouser Part No 802-T40-24F3	White-Rodgers	Power Transformers - Industrial 120/208/240 at 60 Hz O/P 24V 1.67A VA 40	Datasheet	763In Stock	£25.06 £22.74 £21.48 £20.86	Min.: 1 Mult.: 1
Power Transformers - Industrial UL/cUL - 240V Class II Control Xfmr 24V at 1.67A w/leads TCT40-02E07K Triad Magnetics 1: £14.56 27In Stock Restricted Availability	Mfr. Part No. TCT40-02E07K Mouser Part No 553-02E07K	Triad Magnetics	Power Transformers - Industrial UL/cUL - 240V Class II Control Xfmr 24V at 1.67A w/leads Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	27In Stock	£14.56 £13.12 £12.58 £12.19 View £11.79 £11.31 £10.95	Min.: 1 Mult.: 1 Restricted Availability
Power Transformers - Board Mount PWR XFMR 10 Vct at 110 mA UL/cUL - Class 2, 115V PCB MOUNT / F10-110-C2 F10-110-C2 Triad Magnetics 1: £3.78 20In Stock	Mfr. Part No. F10-110-C2 Mouser Part No 553-F10-110-C2	Triad Magnetics	Power Transformers - Board Mount PWR XFMR 10 Vct at 110 mA UL/cUL - Class 2, 115V PCB MOUNT / F10-110-C2	Datasheet	20In Stock	£3.78 £3.41 £3.25 £3.18 View £3.08 £2.95 £2.86 £2.77	Min.: 1 Mult.: 1
Power Transformers - Board Mount PWR XFMR 10 Vct at 250 mA UL/cUL - Class 2, 115V PCB MOUNT / F10-250-C2 F10-250-C2 Triad Magnetics 1: £4.29 147In Stock	Mfr. Part No. F10-250-C2 Mouser Part No 553-F10-250-C2	Triad Magnetics	Power Transformers - Board Mount PWR XFMR 10 Vct at 250 mA UL/cUL - Class 2, 115V PCB MOUNT / F10-250-C2	Datasheet	147In Stock	£4.29 £3.88 £3.71 £3.62 View £3.51 £3.37 £3.27 £3.16 £2.92	Min.: 1 Mult.: 1
Power Transformers - Board Mount PWR XFMR 10 Vct at 600 mA UL/cUL - Class 2, 115V PCB MOUNT / F10-600-C2 F10-600-C2 Triad Magnetics 1: £6.33 12In Stock	Mfr. Part No. F10-600-C2 Mouser Part No 553-F10-600-C2	Triad Magnetics	Power Transformers - Board Mount PWR XFMR 10 Vct at 600 mA UL/cUL - Class 2, 115V PCB MOUNT / F10-600-C2	Datasheet	12In Stock	£6.33 £5.07 £5.04 £4.89 View £4.80 £4.73	Min.: 1 Mult.: 1

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