Transformers – Mouser United Kingdom

.hide-partial { max-height: none; } .show-more { display: none; }

Magnetic Products

Bourns Magnetic Products are engineered to meet essential power application requirements for power conversion, isolation, EMC compliance, signal integrity, and increased power density. Bourns offers a broad, proven, and continually expanding portfolio of miniaturized, automotive grade, high quality, and high-reliability components. Bourns Magnetic Products are key elements in many of today’s breakthrough designs, such as electric vehicles, high power battery charging, e-mobility, renewable energy, energy storage, the Internet of Things (IoT), and industrial infrastructure.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Transformers

List Images

Results: 265

Applied Filters:

Power Rating

Primary Voltage Rating

Secondary Voltage Rating

Mounting Style

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Power Transformers - Board Mount TRANSFORMER EP7

BS64042CS
Bourns
1: £3.25
6,330In Stock

Mfr. Part No.
BS64042CS

Mouser Part No
652-BS64042CS

Bourns

Power Transformers - Board Mount TRANSFORMER EP7

Learn More

Datasheet

6,330In Stock

Cut Tape

£3.25

£2.65

£2.30

£2.23

View

Reel

£1.69

MouseReel Available

Min.: 1
Mult.: 1

: 2,100

SMD/SMT

Power Transformers - Board Mount HCT Transformer, 10mm CR, 4+4PIN, 4.2kVAC,-40 to 125 C

HCTSM100304FL-E
Bourns
1: £4.32
3,642In Stock

Mfr. Part No.
HCTSM100304FL-E

Mouser Part No
652-HCTSM100304FL-E

Bourns

Power Transformers - Board Mount HCT Transformer, 10mm CR, 4+4PIN, 4.2kVAC,-40 to 125 C

Learn More

Datasheet

3,642In Stock

Cut Tape

£4.32

£3.69

£3.54

£3.44

View

Reel

£2.72

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

Current Transformers - Board Mount Current Sense transformer, 20A, EE5, 3000uH

PCS020-EE0503KS
Bourns
1: £3.17
777In Stock

Mfr. Part No.
PCS020-EE0503KS

Mouser Part No
652-PCS020-EE0503KS

Bourns

Current Transformers - Board Mount Current Sense transformer, 20A, EE5, 3000uH

Learn More

Datasheet

777In Stock

Cut Tape

£3.17

£2.87

£2.72

£2.64

View

Reel

£1.78

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

SMD/SMT

Current Transformers - Board Mount Current Sense transformer, 20A, EE5, 81uH

PCS020-EE05081S
Bourns
1: £3.26
691In Stock

Mfr. Part No.
PCS020-EE05081S

Mouser Part No
652-PCS020-EE05081S

Bourns

Current Transformers - Board Mount Current Sense transformer, 20A, EE5, 81uH

Learn More

Datasheet

691In Stock

Cut Tape

£3.26

£2.94

£2.68

£2.60

View

Reel

£1.78

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

SMD/SMT

Audio Transformers / Signal Transformers HV ISO TRANSFORMER 215uH 30%

SM51384EL
Bourns
1: £1.70
1,321In Stock

Mfr. Part No.
SM51384EL

Mouser Part No
652-SM51384EL

Bourns

Audio Transformers / Signal Transformers HV ISO TRANSFORMER 215uH 30%

Learn More

Datasheet

1,321In Stock

Cut Tape

£1.70

£1.48

£1.42

£1.37

Reel

£1.21

View

MouseReel Available

Min.: 1
Mult.: 1

: 350

Audio Transformers / Signal Transformers PLC transformer, 0.45W, Standard EP13, 15V

PFBR45-ST13150S
Bourns
1: £4.00
5,148In Stock

Mfr. Part No.
PFBR45-ST13150S

Mouser Part No
652-PFBR45-ST13150S

Bourns

Audio Transformers / Signal Transformers PLC transformer, 0.45W, Standard EP13, 15V

Learn More

Datasheet

5,148In Stock

Cut Tape

£4.00

£3.44

£2.80

£2.71

Reel

£2.42

View

MouseReel Available

Min.: 1
Mult.: 1

: 540

450 mW

Power Transformers - Board Mount High Clearance and Creepage Transformer, -40 to +125

HCTSM100308BAL-E
Bourns
1: £8.47
338In Stock
New Product

Mfr. Part No.
HCTSM100308BAL-E

Mouser Part No
652-HCTSM100308BAL-E

New Product

Bourns

Power Transformers - Board Mount High Clearance and Creepage Transformer, -40 to +125

Learn More

Datasheet

338In Stock

Cut Tape

£8.47

£6.81

£6.53

£6.33

Reel

£5.68

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

PCB Mount

Power Transformers - Board Mount High Clearance and Creepage Transformer, -40C to +125C

HCTSM150102HLF-E
Bourns
1: £13.56
118In Stock
New Product

Mfr. Part No.
HCTSM150102HLF-E

Mouser Part No
652-HCTSM150102HLF-E

New Product

Bourns

Power Transformers - Board Mount High Clearance and Creepage Transformer, -40C to +125C

Learn More

Datasheet

118In Stock

Cut Tape

£13.56

£12.14

£11.65

£11.29

Reel

£8.82

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

PCB Mount

Power Transformers - Board Mount High Clearance and Creepage Transformer, -40 to +125

HCTSM151207FAL-E
Bourns
1: £13.36
180In Stock
New Product

Mfr. Part No.
HCTSM151207FAL-E

Mouser Part No
652-HCTSM151207FAL-E

New Product

Bourns

Power Transformers - Board Mount High Clearance and Creepage Transformer, -40 to +125

Learn More

Datasheet

180In Stock

Cut Tape

£13.36

£11.78

£11.30

£10.95

Reel

£10.04

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

24 V

12 V

PCB Mount

Power Transformers - Board Mount 27.5 UH

SM91270AL-E
Bourns
1: £5.92
550In Stock
New Product

Mfr. Part No.
SM91270AL-E

Mouser Part No
652-SM91270AL-E

New Product

Bourns

Power Transformers - Board Mount 27.5 UH

Learn More

Datasheet

550In Stock

Cut Tape

£5.92

Reel

£5.92

MouseReel Available

Min.: 1
Mult.: 1

: 800

PCB Mount

Power Transformers - Board Mount 21 UH

SM91271AL-E
Bourns
1: £5.33
628In Stock
New Product

Mfr. Part No.
SM91271AL-E

Mouser Part No
652-SM91271AL-E

New Product

Bourns

Power Transformers - Board Mount 21 UH

Learn More

Datasheet

628In Stock

Cut Tape

£5.33

£4.69

£4.50

£4.37

View

Reel

£3.81

MouseReel Available

Min.: 1
Mult.: 1

: 800

PCB Mount

Power Transformers - Board Mount Signal BMS Transformer, -40 to +125

SM91572AL-E
Bourns
1: £6.43
560In Stock
New Product

Mfr. Part No.
SM91572AL-E

Mouser Part No
652-SM91572AL-E

New Product

Bourns

Power Transformers - Board Mount Signal BMS Transformer, -40 to +125

Learn More

Datasheet

560In Stock

Cut Tape

£6.43

£5.21

£5.00

£4.85

Reel

£4.35

View

MouseReel Available

Min.: 1
Mult.: 1

: 800

PCB Mount

Current Transformers - Board Mount Current Sense transformer, 40A, EF12.6, 5440uH

PCS040-EF1305KS
Bourns
1: £3.38
281In Stock

Mfr. Part No.
PCS040-EF1305KS

Mouser Part No
652-PCS040-EF1305KS

Bourns

Current Transformers - Board Mount Current Sense transformer, 40A, EF12.6, 5440uH

Learn More

Datasheet

281In Stock

Cut Tape

£3.38

£3.05

£2.92

£2.84

Reel

£2.57

View

MouseReel Available

Min.: 1
Mult.: 1

: 600

SMD/SMT

Power Transformers - Board Mount Gate Driver Transformer, 3W HVM ER9.5, Vout 20V to 25V

HVMA03F45A-ST8S
Bourns
1: £3.07
161In Stock
New Product

Mfr. Part No.
HVMA03F45A-ST8S

Mouser Part No
652-HVMA03F45A-ST8S

New Product

Bourns

Power Transformers - Board Mount Gate Driver Transformer, 3W HVM ER9.5, Vout 20V to 25V

Learn More

Datasheet

161In Stock

Cut Tape

£3.07

£2.51

£2.17

£2.11

Reel

£2.04

View

MouseReel Available

Min.: 1
Mult.: 1

: 230

3 W

PCB Mount

Power Transformers - Board Mount Gate Driver Transformer, 3W HVM ER9.5, Vout 15V

HVMA03T100A-ST10S
Bourns
1: £2.57
195In Stock
New Product

Mfr. Part No.
HVMA03T100A-ST10S

Mouser Part No
652-HVMA03T100-ST10S

New Product

Bourns

Power Transformers - Board Mount Gate Driver Transformer, 3W HVM ER9.5, Vout 15V

Learn More

Datasheet

195In Stock

Cut Tape

£2.57

£2.33

£2.21

£2.14

Reel

£1.96

View

MouseReel Available

Min.: 1
Mult.: 1

: 230

3 W

12 V

4 V, 15 V

PCB Mount

Power Transformers - Board Mount High Clearance and Creepage Transformer, -40 to +125

HCTSM110102HAL-E
Bourns
1: £6.76
160In Stock
New Product

Mfr. Part No.
HCTSM110102HAL-E

Mouser Part No
652-HCTSM110102HAL-E

New Product

Bourns

Power Transformers - Board Mount High Clearance and Creepage Transformer, -40 to +125

Learn More

Datasheet

160In Stock

Cut Tape

£6.76

Reel

£6.76

MouseReel Available

Min.: 1
Mult.: 1

: 200

PCB Mount

Power Transformers - Board Mount High Clearance and Creepage Transformer, -40 to +125

HCTSM110304HAL-E
Bourns
1: £6.01
160In Stock
New Product

Mfr. Part No.
HCTSM110304HAL-E

Mouser Part No
652-HCTSM110304HAL-E

New Product

Bourns

Power Transformers - Board Mount High Clearance and Creepage Transformer, -40 to +125

Learn More

Datasheet

160In Stock

Cut Tape

£6.01

£5.33

£5.11

£4.95

Reel

£4.52

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

PCB Mount

Power Transformers - Board Mount Gate Driver Transformer, 2W HVM ER9.5, Vout 15V

HVMA03F4A-LP8S
Bourns
1: £3.47
552In Stock
New Product

Mfr. Part No.
HVMA03F4A-LP8S

Mouser Part No
652-HVMA03F4A-LP8S

New Product

Bourns

Power Transformers - Board Mount Gate Driver Transformer, 2W HVM ER9.5, Vout 15V

Learn More

Datasheet

552In Stock

Cut Tape

£3.47

£3.13

£2.94

£2.85

Reel

£2.71

View

MouseReel Available

Min.: 1
Mult.: 1

: 600

2 W

10 V to 24 V

- 5 V, 15 V

PCB Mount

Audio Transformers / Signal Transformers SMD Transformer, EP6

PKSEP6B08S
Bourns
1: £2.14
1,954In Stock
New Product

Mfr. Part No.
PKSEP6B08S

Mouser Part No
652-PKSEP6B08S

New Product

Bourns

Audio Transformers / Signal Transformers SMD Transformer, EP6

Learn More

Datasheet

1,954In Stock

Cut Tape

£2.14

£1.94

£1.78

£1.69

Reel

£1.61

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Power Transformers - Board Mount BMS Transformer/CMC, 6PIN, SGL,3KVAC,-40C to +125C

SM91574AL-E
Bourns
1: £3.20
907In Stock
New Product

Mfr. Part No.
SM91574AL-E

Mouser Part No
652-SM91574AL-E

New Product

Bourns

Power Transformers - Board Mount BMS Transformer/CMC, 6PIN, SGL,3KVAC,-40C to +125C

Learn More

Datasheet

907In Stock

Cut Tape

£3.20

£2.91

£2.71

£2.63

View

Reel

£2.26

MouseReel Available

Min.: 1
Mult.: 1

: 800

PCB Mount

Power Transformers - Board Mount BMS Transfomer/CMC, 6PIN,SGL, 3.5KVAC,-40C to +125C

SM91523AL-E
Bourns
1: £6.62
384In Stock
New Product

Mfr. Part No.
SM91523AL-E

Mouser Part No
652-SM91523AL-E

New Product

Bourns

Power Transformers - Board Mount BMS Transfomer/CMC, 6PIN,SGL, 3.5KVAC,-40C to +125C

Learn More

Datasheet

384In Stock

Cut Tape

£6.62

£5.85

£5.61

£5.44

Reel

£5.14

View

MouseReel Available

Min.: 1
Mult.: 1

: 200

PCB Mount

Power Transformers - Board Mount 6PIN,SGL,4300KVDC TRANSFORMER

SM91808AL-E
Bourns
1: £2.09
2,586In Stock
New Product

Mfr. Part No.
SM91808AL-E

Mouser Part No
652-SM91808AL-E

New Product

Bourns

Power Transformers - Board Mount 6PIN,SGL,4300KVDC TRANSFORMER

Learn More

Datasheet

2,586In Stock

Cut Tape

£2.09

£1.89

£1.77

£1.72

View

Reel

£1.44

Min.: 1
Mult.: 1

: 4,000

PCB Mount

Power Transformers - Board Mount Flyback Transformer, 1W HVM ER9.5, Vout 14V

HVMA01F35A-ST10S
Bourns
1: £2.57
206In Stock
New Product

Mfr. Part No.
HVMA01F35A-ST10S

Mouser Part No
651-HVMA01F35A-ST10S

New Product

Bourns

Power Transformers - Board Mount Flyback Transformer, 1W HVM ER9.5, Vout 14V

Learn More

Datasheet

206In Stock

Cut Tape

£2.57

£2.33

£2.21

£2.14

Reel

£1.96

View

MouseReel Available

Min.: 1
Mult.: 1

: 230

1 W

PCB Mount

Power Transformers - Board Mount Flyback Transformer, 3W HVM ER9.5, Vout 14V

HVMA03F40C-ST10S
Bourns
1: £2.57
107In Stock
New Product

Mfr. Part No.
HVMA03F40C-ST10S

Mouser Part No
652-HVMA03F40C-ST10S

New Product

Bourns

Power Transformers - Board Mount Flyback Transformer, 3W HVM ER9.5, Vout 14V

Learn More

Datasheet

107In Stock

Cut Tape

£2.57

£2.33

£2.23

£2.17

View

Reel

£1.82

MouseReel Available

Min.: 1
Mult.: 1

: 1,150

3 W

PCB Mount

Power Transformers - Board Mount BMS Transformer/CMC,6PIN,SGL,4.3kVDC

SM91525AL-E
Bourns
1: £2.05
2,374In Stock
3,500Expected 23/10/2026

Mfr. Part No.
SM91525AL-E

Mouser Part No
652-SM91525AL-E

Bourns

Power Transformers - Board Mount BMS Transformer/CMC,6PIN,SGL,4.3kVDC

Learn More

Datasheet

2,374In Stock

3,500Expected 23/10/2026

Cut Tape

£2.05

£1.86

£1.75

£1.69

View

Reel

£1.40

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

PCB Mount

Magnetic Products

Types of Transformers

Customer Service Office

Company

Resources

Support