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DC/DC Isolation Magnetic Transformers

HALO Electronics DC/DC Transformers are available in a vast array of toroidal and bobbin wound DC/DC converter transformers for most leading DC/DC converter controller ICs. Toroidal transformer products for Push/Pull and H Bridge topologies are available for 0.5W to 13W applications. Bobbin wound transformers are available in power ratings from 3W to 90W for applications such as POE and high power POE+. Most products are available in Functional, Basic, Supplemental, or Reinforced insulation to meet the most stringent safety requirements. All products are UL/EN60950 recognized. Functional and Reinforced insulation products are also DEMKO recognized.

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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.
Pulse Transformers ISO MOD SMD GullWing For MAX13256 HBridg TGMR-501V6LF HALO Electronics 1: £10.41 561In Stock	Mfr. Part No. TGMR-501V6LF Mouser Part No 493-TGMR-501V6LF	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing For MAX13256 HBridg Learn More about HALO Electronics halo dc dc transformers	Datasheet	561In Stock	£10.41 £6.72 £5.49 £4.43 View £3.73 £3.20 £3.06 £2.90 Quote	Min.: 1 Mult.: 1
Pulse Transformers ISO MOD SMD GullWing For MAX13256 HBridg TGMR-511V6LF HALO Electronics 1: £10.41 551In Stock	Mfr. Part No. TGMR-511V6LF Mouser Part No 493-TGMR-511V6LF	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing For MAX13256 HBridg Learn More about HALO Electronics halo dc dc transformers	Datasheet	551In Stock	£10.41 £6.72 £5.49 £4.43 View £3.73 £3.20 £3.06 Quote	Min.: 1 Mult.: 1
Pulse Transformers ISO MOD SMD GullWing For MAX13253 1A Drv TGMR-H540V8LFTR HALO Electronics 1: £8.01 384In Stock	Mfr. Part No. TGMR-H540V8LFTR Mouser Part No 493-TGMR-H540V8LFTR	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing For MAX13253 1A Drv Learn More about HALO Electronics halo dc dc transformers	Datasheet	384In Stock	Cut Tape £8.01 £6.53 £5.29 Reel £4.44 £4.14 View £3.88 £3.86 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250
Pulse Transformers ISO MOD SMD GullWing For MAX13253 1A Drvr TGMR-H580V8LFTR HALO Electronics 1: £8.15 499In Stock	Mfr. Part No. TGMR-H580V8LFTR Mouser Part No 493-TGMR-H580V8LFTR	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing For MAX13253 1A Drvr Learn More about HALO Electronics halo dc dc transformers	Datasheet	499In Stock	Cut Tape £8.15 £6.64 £5.38 Reel £4.51 £4.09 View £3.95 £3.90 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250
Pulse Transformers ISO MOD SMD GullWing PCMCIA For MAX845 TGM-040P3RL HALO Electronics 1: £2.23 3,350In Stock	Mfr. Part No. TGM-040P3RL Mouser Part No 493-TGM-040P3RL	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing PCMCIA For MAX845 Learn More about HALO Electronics halo dc dc transformers	Datasheet	3,350In Stock	£2.23 £1.93 £1.79 £1.75 £1.51	Min.: 1 Mult.: 1
Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pin TGM-210NSLFTR HALO Electronics 1: £4.43 2,009In Stock	Mfr. Part No. TGM-210NSLFTR Mouser Part No 493-TGM-210NSLFTR	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pin Learn More about HALO Electronics halo dc dc transformers	Datasheet	2,009In Stock	Cut Tape £4.43 £2.86 £2.34 £1.89 Reel £1.31 View £1.60 £1.37 £1.27 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pi TGM-240NSLF HALO Electronics 1: £4.99 994In Stock 4,526On Order	Mfr. Part No. TGM-240NSLF Mouser Part No 493-TGM-240NSLF	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pi Learn More about HALO Electronics halo dc dc transformers	Datasheet	994In Stock 4,526On Order On Order Ship Dates Mfr. No: TGM-240NSLF Stock: 994 Can Dispatch Immediately On Order: 2,170 Expected 30/10/2026 2,356 Expected 13/11/2026 Factory Lead Time: 18 Weeks	£4.99 £3.21 £1.66 £1.52 View £1.48 £1.47 £1.46	Min.: 1 Mult.: 1
Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pin TGM-240NSRL HALO Electronics 1: £5.23 1,327In Stock	Mfr. Part No. TGM-240NSRL Mouser Part No 493-TGM-240NSRL	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pin Learn More about HALO Electronics halo dc dc transformers	Datasheet	1,327In Stock	£5.23 £3.38 £2.75 £2.23 View £1.88 £1.62 £1.55 £1.50	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port w/CMR Choke 1:2.5 TG41-2006NRL HALO Electronics 1: £4.91 410In Stock	Mfr. Part No. TG41-2006NRL Mouser Part No 493-TG41-2006NRL	HALO Electronics	Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port w/CMR Choke 1:2.5 Learn More about HALO Electronics halo 10base t ethernet transformers	Datasheet	410In Stock	£4.91 £3.15 £2.58 £2.09 View £1.75 £1.51 £1.44 £1.41	Min.: 1 Mult.: 1
Pulse Transformers ISO MOD SMD GullWing PCMCIA For MAX845 TGM-010P3RL HALO Electronics 1: £4.99 13In Stock 44On Order	Mfr. Part No. TGM-010P3RL Mouser Part No 493-TGM-010P3RL	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing PCMCIA For MAX845 Learn More about HALO Electronics halo dc dc transformers	Datasheet	13In Stock 44On Order	£4.99 £1.96 £1.66 £1.36 £1.29	Min.: 1 Mult.: 1
Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pin TGM-210NSLF HALO Electronics 1: £4.24 342In Stock	Mfr. Part No. TGM-210NSLF Mouser Part No 493-TGM-210NSLF	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pin Learn More about HALO Electronics halo dc dc transformers	Datasheet	342In Stock	£4.24 £2.74 £2.24 £1.81 View £1.52 £1.31 £1.26 £1.21	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port w/CMR Choke 1:1 TG81-1006NRL HALO Electronics 1: £5.28 379In Stock	Mfr. Part No. TG81-1006NRL Mouser Part No 493-TG81-1006NRL	HALO Electronics	Audio Transformers / Signal Transformers 10BASE-T SMD 1-Port w/CMR Choke 1:1 Learn More about HALO Electronics halo 10base t ethernet transformers	Datasheet	379In Stock	£5.28 £3.42 £2.79 £2.26 View £1.89 £1.63 £1.56 £1.51	Min.: 1 Mult.: 1
Pulse Transformers Isolation Module TGM-050P3RL HALO Electronics 1: £5.28 407In Stock 816Expected 12/02/2027	Mfr. Part No. TGM-050P3RL Mouser Part No 493-TGM-050P3RL	HALO Electronics	Pulse Transformers Isolation Module Learn More about HALO Electronics halo dc dc transformers	Datasheet	407In Stock 816Expected 12/02/2027	£5.28 £3.41 £2.78 £2.25 View £1.89 £1.63 £1.55 £1.51	Min.: 1 Mult.: 1
Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pi TGM-250NSLF HALO Electronics 1: £4.99 406In Stock	Mfr. Part No. TGM-250NSLF Mouser Part No 493-TGM-250NSLF	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pi Learn More about HALO Electronics halo dc dc transformers	Datasheet	406In Stock	£4.99 £3.21 £2.62 £2.12 View £1.78 £1.54 £1.47 £1.43	Min.: 1 Mult.: 1
Pulse Transformers ISO MOD SMD GullWing 3W 198uH For MAX256 TGM-H281NFLF HALO Electronics 1: £3.92 62In Stock 1,848On Order	Mfr. Part No. TGM-H281NFLF Mouser Part No 493-TGM-H281NFLF	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing 3W 198uH For MAX256 Learn More about HALO Electronics halo dc dc transformers	Datasheet	62In Stock 1,848On Order On Order Ship Dates Mfr. No: TGM-H281NFLF Stock: 62 Can Dispatch Immediately On Order: 504 Expected 05/02/2027 1,344 Expected 09/04/2027 Factory Lead Time: 22 Weeks	£3.92 £3.91 £3.67 £3.49 View £3.09 £2.92	Min.: 1 Mult.: 1
Pulse Transformers ISO MOD SMD GullWing 3kVrms 0.9Ohm 6pin TGMR-340V6LFTR HALO Electronics 1: £9.52 85In Stock	Mfr. Part No. TGMR-340V6LFTR Mouser Part No 493-TGMR-340V6LFTR	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing 3kVrms 0.9Ohm 6pin Learn More about HALO Electronics halo dc dc transformers	Datasheet	85In Stock	Cut Tape £9.52 £6.14 £5.00 £4.04 Reel £3.40 View £2.81 £2.71 £2.58 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300
Pulse Transformers ISO MOD SMD GullWing 3kVrms 0.9Ohm 6pin TGMR-380V6LF HALO Electronics 1: £9.15 111In Stock	Mfr. Part No. TGMR-380V6LF Mouser Part No 493-TGMR-380V6LF	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing 3kVrms 0.9Ohm 6pin Learn More about HALO Electronics halo dc dc transformers	Datasheet	111In Stock	£9.15 £5.89 £4.81 £3.88 View £3.27 £2.81 £2.69 £2.54 Quote	Min.: 1 Mult.: 1
Pulse Transformers ISO MOD SMD GullWing For MAX13256 HBridge TGMR-512V6LF HALO Electronics 1: £3.01 22In Stock	Mfr. Part No. TGMR-512V6LF Mouser Part No 493-TGMR-512V6LF	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing For MAX13256 HBridge Learn More about HALO Electronics halo dc dc transformers	Datasheet	22In Stock	£3.01 £2.98 £2.40	Min.: 1 Mult.: 1
Pulse Transformers ISO MOD SMD GullWing 2.75kVrms .4Ohm 6pi TGMS-1440V6LF HALO Electronics 1: £7.78 552In Stock	Mfr. Part No. TGMS-1440V6LF Mouser Part No 493-TGMS-1440V6LF	HALO Electronics	Pulse Transformers ISO MOD SMD GullWing 2.75kVrms .4Ohm 6pi Learn More about HALO Electronics halo dc dc transformers	Datasheet	552In Stock	£7.78 £5.02 £4.09 £3.31 View £2.82 £2.45	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers E4/STM-01/STS-3/OC-3 16P SMD Dual Ch TG04-TDK1N1RL HALO Electronics 1: £8.72 65In Stock	Mfr. Part No. TG04-TDK1N1RL Mouser Part No 493-TG04-TDK1N1RL	HALO Electronics	Audio Transformers / Signal Transformers E4/STM-01/STS-3/OC-3 16P SMD Dual Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	65In Stock	£8.72 £5.63 £3.72 £3.12 View £2.69 £2.57 Quote	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers T1/E1 MiniOctal SMD 32P 8Channel ISO MOD TG05-1505NURLTR HALO Electronics 1: £20.51 6In Stock	Mfr. Part No. TG05-1505NURLTR Mouser Part No 493-TG05-1505NURLTR	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 MiniOctal SMD 32P 8Channel ISO MOD Learn More about HALO Electronics halo t1 e1 isolation modules	Datasheet	6In Stock	Cut Tape £20.51 £13.23 £10.81 £8.73 Reel £6.32 View £7.32 £6.03 Quote MouseReel Available	Min.: 1 Mult.: 1 : 450
Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 16P Dual Ch TG08-1205N1LF HALO Electronics 1: £4.76 60In Stock	Mfr. Part No. TG08-1205N1LF Mouser Part No 493-TG08-1205N1LF	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 16P Dual Ch Learn More about HALO Electronics halo telecom transformers	Datasheet	60In Stock	£4.76 £3.09 £2.51 £2.03 View £1.72 £1.48 £1.41 £1.37	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh TG23-1505NSRL HALO Electronics 1: £4.99 114In Stock	Mfr. Part No. TG23-1505NSRL Mouser Part No 493-TG23-1505NSRL	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 6P SingleCh Learn More about HALO Electronics halo telecom transformers	Datasheet	114In Stock	£4.99 £3.25 £2.65 £2.14 View £1.80 £1.55 £1.48 £1.43	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 16P Dual Ch TG26-1505N1RL HALO Electronics 1: £5.28 434In Stock	Mfr. Part No. TG26-1505N1RL Mouser Part No 493-TG26-1505N1RL	HALO Electronics	Audio Transformers / Signal Transformers T1/E1 ISO MOD SMD GullWing 16P Dual Ch Learn More about HALO Electronics halo 10 100base tx poe magnetics	Datasheet	434In Stock	£5.28 £3.42 £2.79 £2.26 View £1.89 £1.63 £1.56 £1.51	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 10BASE-T Low Profile SMD Flterless 1:1.4 TG42-1406P1RL HALO Electronics 1: £7.17 78In Stock	Mfr. Part No. TG42-1406P1RL Mouser Part No 493-TG42-1406P1RL	HALO Electronics	Audio Transformers / Signal Transformers 10BASE-T Low Profile SMD Flterless 1:1.4 Learn More about HALO Electronics halo 10base t ethernet transformers	Datasheet	78In Stock	£7.17 £4.63 £3.78 £3.06 View £2.57 £2.22 £2.11 £2.05	Min.: 1 Mult.: 1

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