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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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Turns Ratio
Inductance
Voltage Time - Et
Primary Resistance
Mounting Style
Length
Width
Height
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 3W 100mOhm 198uH
Datasheet
279Expected 22/05/2026
Min.: 1
Mult.: 1
1:1:2.6:2.6 198 uH 18.5 V/us SMD/SMT 12.07 mm 11.56 mm 8.64 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing For ADI QUAD ISOs
Datasheet
318Expected 27/02/2026
Min.: 1
Mult.: 1

1:5 389 uH 14 V/us SMD/SMT 10.87 mm 9.45 mm 10.03 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 3W 100mOhm 198uH
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 300
Mult.: 300
Reel: 300

1:1:2.6:2.6 198 uH 100 mOhms SMD/SMT 12.07 mm 11.56 mm 8.64 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing For MAX13253 1A Drv
Datasheet
Non-Stocked Lead-Time 6 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

1:1:2:2 600 uH 25 V/us SMD/SMT 14.99 mm 12.07 mm 8.64 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing PCMCIA For MAX845
Datasheet
Non-Stocked
Min.: 544
Mult.: 68

1:1:0.75 240 uH 5.5 V/us SMD/SMT 7.62 mm 7.11 mm 2.24 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing PCMCIA For MAX845
Datasheet
Non-Stocked
Min.: 2.000
Mult.: 2.000
Reel: 2.000

1:1:0.75 240 uH 5.5 V/us SMD/SMT 7.62 mm 7.11 mm 2.24 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing
Datasheet
Non-Stocked
Min.: 620
Mult.: 62

8:3 960 uH 11 V/us SMD/SMT 8.13 mm 7.11 mm 5.08 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pin
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Reel: 1.000

8:3 960 uH 11 V/us SMD/SMT 8.13 mm 7.11 mm 5.08 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pi
Datasheet
Non-Stocked
Min.: 620
Mult.: 62

4:3 960 uH 11 V/us SMD/SMT 8.13 mm 7.11 mm 5.08 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pin
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Reel: 1.000

4:3 960 uH 11 V/us SMD/SMT 8.13 mm 7.11 mm 5.08 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pin
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Reel: 1.000

4:3 960 uH 11 V/us SMD/SMT 8.13 mm 7.11 mm 5.08 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pi
Datasheet
Non-Stocked
Min.: 620
Mult.: 62

3:4 400 nH PCB Mount 8.13 mm 9.53 mm 5.08 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pi
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Reel: 1.000

3:4 400 nH PCB Mount 8.13 mm 9.53 mm 5.08 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pin
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Reel: 1.000

1:1 960 uH 11 V/us SMD/SMT 8.13 mm 7.11 mm 5.08 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pin
Datasheet
Non-Stocked
Min.: 1.000
Mult.: 1.000
Reel: 1.000

3:8 960 uH 11 V/us SMD/SMT 8.13 mm 7.11 mm 5.08 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 1.5kVrms 0.8Ohm 6pin
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1.000
Mult.: 1.000
Reel: 1.000

3:8 960 uH 11 V/us SMD/SMT 8.13 mm 7.11 mm 5.08 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing For MAX13253 1A Drvr
Datasheet
Non-Stocked
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

1:1:1.3:1.3 780 uH 25 V/us SMD/SMT 14.99 mm 12.07 mm 8.64 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 3W 100mOhm 198uH
Datasheet
Non-Stocked
Min.: 300
Mult.: 300
Reel: 300

1:1:1:1 198 uH 100 mOhms SMD/SMT 12.07 mm 11.56 mm 8.64 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 3W 100mOhm 198uH
Datasheet
Non-Stocked
Min.: 420
Mult.: 42

1:1:1:1 198 uH 18.5 V/us SMD/SMT 12.07 mm 11.56 mm 8.64 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 3W 100mOhm 198uH
Datasheet
Non-Stocked
Min.: 300
Mult.: 300
Reel: 300

1:1:1:1 198 uH 18.5 V/us SMD/SMT 12.07 mm 11.56 mm 8.64 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 3kVrms 0.8Ohm 6pin
Datasheet
Non-Stocked
Min.: 318
Mult.: 53

1:0.5 500 uH 18 V/us SMD/SMT 10.87 mm 9.45 mm 10.03 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 3kVrms 0.8Ohm 6pin
Datasheet
Non-Stocked
Min.: 300
Mult.: 300
Reel: 300

1:0.5 500 uH 18 V/us SMD/SMT 10.87 mm 9.45 mm 10.03 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 3kVrms 0.8Ohm 6pin
Datasheet
Non-Stocked
Min.: 318
Mult.: 53

1:0.375 500 uH 18 V/us SMD/SMT 10.87 mm 9.45 mm 10.03 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 3kVrms 0.8Ohm 6pin
Datasheet
Non-Stocked
Min.: 300
Mult.: 300
Reel: 300

1:0.375 500 uH 18 V/us SMD/SMT 10.87 mm 9.45 mm 10.03 mm
HALO Electronics Pulse Transformers ISO MOD SMD GullWing 3kVrms 0.8Ohm 6pin
Datasheet
Non-Stocked
Min.: 318
Mult.: 53

1:0.75 500 uH 18 V/us SMD/SMT 10.87 mm 9.45 mm 10.03 mm