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

Transformers

Transformers are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many transformer manufacturers including Bel, Boums, Tamura, Pulse Electronics, TDK, Triad Magnetics, Vacuumschmelze, Wurth Elektronik & more. Please view our selection of transformers below.

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

Types of Transformers

List Images

Results: 23,343

Applied Filters:

Manufacturer

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; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Power Rating	Primary Voltage Rating	Secondary Voltage Rating	Mounting Style
Power Transformers - Industrial High Frequency Reactor, 2 mH, 20A, Screw Terminals 197D20 Hammond Manufacturing 1: HK$2,026.64 6In Stock	Mfr. Part No. 197D20 Mouser Part No 546-197D20	Hammond Manufacturing	Power Transformers - Industrial High Frequency Reactor, 2 mH, 20A, Screw Terminals Learn More about Hammond Manufacturing hammond 197 series reactors	Datasheet	6In Stock	HK$2,026.64 HK$1,758.01	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers AUDIO XFMR 10Kct:500ct 1.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-29 SP-29 Triad Magnetics 1: HK$136.37 368In Stock	Mfr. Part No. SP-29 Mouser Part No 553-SP29	Triad Magnetics	Audio Transformers / Signal Transformers AUDIO XFMR 10Kct:500ct 1.0mADC 50mW ENCAPSULATED PCB MOUNT/SP-29	Datasheet	368In Stock	HK$136.37 HK$128.40 HK$120.18 HK$115.82 View HK$109.82 HK$109.74	Min.: 1 Mult.: 1	50 mW (1/20 W)
Power Transformers - Board Mount 27W 180uH 200-700kHz 33-57V Flyback PA5100.003NLT Pulse Electronics 1: HK$31.24 602In Stock	Mfr. Part No. PA5100.003NLT Mouser Part No 673-PA5100.003NLT	Pulse Electronics	Power Transformers - Board Mount 27W 180uH 200-700kHz 33-57V Flyback Learn More about Pulse Electronics pulse high frequency transformers	Datasheet	602In Stock	Cut Tape HK$31.24 HK$28.28 HK$25.32 HK$24.58 Reel HK$23.84 View HK$22.36 HK$20.47 HK$19.48 HK$19.23 MouseReel Available	Min.: 1 Mult.: 1 : 125
Current Transformers - Board Mount 1.7mH 3KVdc AEC-Q200 30A DCR=0.5mOhms PH9505.050NLT Pulse Electronics 1: HK$24.82 540In Stock	Mfr. Part No. PH9505.050NLT Mouser Part No 673-PH9505.050NLT	Pulse Electronics	Current Transformers - Board Mount 1.7mH 3KVdc AEC-Q200 30A DCR=0.5mOhms Learn More about Pulse Electronics pulse aec q200 current sense transformers	Datasheet	540In Stock	Cut Tape HK$24.82 HK$23.26 HK$20.80 HK$20.14 Reel HK$17.67 View HK$19.56 HK$15.95	Min.: 1 Mult.: 1 : 150				PCB Mount
Power Transformers - Board Mount MID-OLRM 85-265V 44-77kHz 7508112349 Wurth Elektronik 1: HK$80.31 170In Stock	Mfr. Part No. 7508112349 Mouser Part No 710-7508112349	Wurth Elektronik	Power Transformers - Board Mount MID-OLRM 85-265V 44-77kHz Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	170In Stock	HK$80.31 HK$79.32 HK$74.31 HK$66.91 View HK$59.43 Quote	Min.: 1 Mult.: 1	26.4 W	85 VAC to 265 VAC	12 V	Through Hole
Power Transformers - Board Mount MID-OLLT LT3798 180 uH 108 W 750811351 Wurth Elektronik 1: HK$122.07 141In Stock 1,000Expected 17/12/2026	Mfr. Part No. 750811351 Mouser Part No 710-750811351	Wurth Elektronik	Power Transformers - Board Mount MID-OLLT LT3798 180 uH 108 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	141In Stock 1,000Expected 17/12/2026	HK$122.07 HK$120.51 HK$112.94 HK$101.68	Min.: 1 Mult.: 1	108 W	85 VAC to 265 VAC	36 V	Through Hole
Power Transformers - Board Mount THROUGH HOLE 2.4VA 3FS-320 Tamura 1: HK$45.95 261In Stock	Mfr. Part No. 3FS-320 Mouser Part No 838-3FS-320	Tamura	Power Transformers - Board Mount THROUGH HOLE 2.4VA	Datasheet	261In Stock	HK$45.95 HK$39.87 HK$38.31 HK$30.00 View HK$29.18 HK$29.02 HK$28.61 HK$27.95	Min.: 1 Mult.: 1	2.4 VA	115 VAC	10 V/20 V	Through Hole
Power Transformers - Board Mount POWER TRANSFORMER THROUGH 2.5VA PL2.5-20-130B Tamura 1: HK$65.51 219In Stock	Mfr. Part No. PL2.5-20-130B Mouser Part No 838-PL2.5-20-130B	Tamura	Power Transformers - Board Mount POWER TRANSFORMER THROUGH 2.5VA	Datasheet	219In Stock	HK$65.51 HK$64.12 HK$64.03 HK$63.62 View HK$51.70 HK$49.90 HK$48.58	Min.: 1 Mult.: 1	2.5 VA			Through Hole
Current Transformers - Board Mount 400uH 20V 2.5mOhms N1:N2=1:70 B82801A1404A070 TDK 1: HK$29.43 559In Stock	Mfr. Part No. B82801A1404A070 Mouser Part No 871-B82801A1404A070	TDK	Current Transformers - Board Mount 400uH 20V 2.5mOhms N1:N2=1:70 Learn More about TDK epcos b82801 transformers	Datasheet	559In Stock	Cut Tape HK$29.43 HK$25.24 HK$22.69 HK$21.95 Reel HK$19.23 View HK$21.29 HK$21.04 HK$19.15 HK$18.74	Min.: 1 Mult.: 1 : 600				SMD/SMT
Power Transformers - Industrial 140 VA Isolation 115/230 , 115/230 ECO-140-230 Bel Signal Transformer 1: HK$809.09 8In Stock	Mfr. Part No. ECO-140-230 Mouser Part No 530-ECO-140-230	Bel Signal Transformer	Power Transformers - Industrial 140 VA Isolation 115/230 , 115/230 Learn More about Bel Signal Transformer ecotran	Datasheet	8In Stock	HK$809.09 HK$789.37 HK$765.94 View Quote	Min.: 1 Mult.: 1		230 VAC	115 V
Power Transformers - Board Mount TRANS INTL FLAT HEAD IF-30 IF-4-10 Bel Signal Transformer 1: HK$282.03 45In Stock	Mfr. Part No. IF-4-10 Mouser Part No 530-IF-4-10	Bel Signal Transformer	Power Transformers - Board Mount TRANS INTL FLAT HEAD IF-30 Learn More about Bel Signal Transformer bel if international flathead transformers	Datasheet	45In Stock	HK$282.03 HK$243.81 HK$227.94 HK$224.49 View HK$221.12 HK$216.10 Quote	Min.: 1 Mult.: 1	4 VA	115 VAC, 230 VAC	10 V CT/5 V	Through Hole
Power Transformers - Industrial Transformer, Class 2 energy limiting, plug-in, 20VA, 120V input, 14V ouput BPD2EE Hammond Manufacturing 1: HK$151.08 136In Stock	Mfr. Part No. BPD2EE Mouser Part No 546-BPD2EE	Hammond Manufacturing	Power Transformers - Industrial Transformer, Class 2 energy limiting, plug-in, 20VA, 120V input, 14V ouput	Datasheet	136In Stock	HK$151.08 HK$142.78 HK$137.11 HK$133.49 View HK$129.88 HK$125.27 HK$124.04 Quote	Min.: 1 Mult.: 1	20 VA	115 VAC	14 VAC	Plug
Power Transformers - Industrial Medical Grade Encased Isolation Transformer 250VA, 115Vac Input MD-250-U Triad Magnetics 1: HK$1,787.85 8In Stock	Mfr. Part No. MD-250-U Mouser Part No 553-MD-250-U	Triad Magnetics	Power Transformers - Industrial Medical Grade Encased Isolation Transformer 250VA, 115Vac Input Learn More about Triad Magnetics md transformers Due to size or weight of the product, your shipping charge may increase.	Datasheet	8In Stock	HK$1,787.85 HK$1,605.04 HK$1,537.30 HK$1,487.90	Min.: 1 Mult.: 1	250 VA	115 VAC	120 V	Mounting Foot
Audio Transformers / Signal Transformers AUDIO XFMR FCC68 XFMR 600:600/600 0mADC/TY-300P TY-300P Triad Magnetics 1: HK$53.18 338In Stock	Mfr. Part No. TY-300P Mouser Part No 553-TY300P	Triad Magnetics	Audio Transformers / Signal Transformers AUDIO XFMR FCC68 XFMR 600:600/600 0mADC/TY-300P	Datasheet	338In Stock	HK$53.18 HK$45.87 HK$45.54 HK$45.46	Min.: 1 Mult.: 1	4 W
Power Transformers - Industrial MEDICAL GRADE PWR TOROID 48.0VCT at 3.3A UL/CE TOROIDAL MOUNT VPM48-3300 Triad Magnetics 1: HK$661.55 22In Stock	Mfr. Part No. VPM48-3300 Mouser Part No 553-VPM48-3300	Triad Magnetics	Power Transformers - Industrial MEDICAL GRADE PWR TOROID 48.0VCT at 3.3A UL/CE TOROIDAL MOUNT Learn More about Triad Magnetics traid magnetics vpm transformers	Datasheet	22In Stock	HK$661.55 HK$614.94 HK$595.29 HK$576.22	Min.: 1 Mult.: 1	160 VA	100 VAC, 120 VAC, 220 VAC, 240 VAC	24 V/48 V	Chassis
Current Transformers - Board Mount Current Sense transformer, 40A, EF12.6, 5440uH PCS040-EF1305KS Bourns 1: HK$39.21 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 about Bourns pcs current sense transformers	Datasheet	281In Stock	Cut Tape HK$39.21 HK$33.46 HK$32.14 HK$31.15 Reel HK$28.11 View HK$30.25 HK$29.02 HK$27.13 HK$26.55 MouseReel Available	Min.: 1 Mult.: 1 : 600				SMD/SMT
Current Transformers - Board Mount 3.0mH 3KVdc AEC-Q200 30A DCR=0.5mOhms PH9505.070NLT Pulse Electronics 1: HK$24.82 444In Stock	Mfr. Part No. PH9505.070NLT Mouser Part No 673-PH9505.070NLT	Pulse Electronics	Current Transformers - Board Mount 3.0mH 3KVdc AEC-Q200 30A DCR=0.5mOhms Learn More about Pulse Electronics pulse aec q200 current sense transformers	Datasheet	444In Stock	Cut Tape HK$24.82 HK$22.52 HK$20.80 HK$20.14 Reel HK$17.67 View HK$19.56 HK$16.85 HK$16.03 HK$15.95	Min.: 1 Mult.: 1 : 150				PCB Mount
Power Transformers - Board Mount THROUGH HOLE 12VA 3FS-516 Tamura 1: HK$103.33 149In Stock	Mfr. Part No. 3FS-516 Mouser Part No 838-3FS-516	Tamura	Power Transformers - Board Mount THROUGH HOLE 12VA	Datasheet	149In Stock	HK$103.33 HK$89.52 HK$85.57 HK$80.06 View HK$71.35 HK$68.31 HK$67.24 HK$66.25 Quote	Min.: 1 Mult.: 1	12 VA	115 VAC		Through Hole
Power Transformers - Board Mount 4TPRI:4TPRI:4TSEC 153UH 140W PL10301NL iNRCORE 1: HK$306.11 32In Stock Factory Special Order	Mfr. Part No. PL10301NL Mouser Part No 673-PL10301NL Factory Special Order	iNRCORE	Power Transformers - Board Mount 4TPRI:4TPRI:4TSEC 153UH 140W	Datasheet	32In Stock	HK$306.11 HK$275.45 HK$264.03 View HK$255.56 HK$247.42 HK$237.06 Quote	Min.: 1 Mult.: 1	140 W			SMD/SMT
Power Transformers - Industrial 115/230 12VA 24VCT 186C24-BULK Hammond Manufacturing 1: HK$115.82 1In Stock	Mfr. Part No. 186C24-BULK Mouser Part No 546-186C24-BULK	Hammond Manufacturing	Power Transformers - Industrial 115/230 12VA 24VCT Due to size or weight of the product, your shipping charge may increase.	Datasheet	1In Stock	HK$115.82 HK$98.48 HK$94.45 HK$91.57 View HK$88.69 HK$84.99 HK$82.28 HK$79.65	Min.: 1 Mult.: 1	12 VA	115 VAC, 230 VAC	24 VAC CT	Chassis
Audio Transformers / Signal Transformers Flybk Xfmr EP10 Single Out 7W 12V 0.6A POEA1FB1V7W1X12 Eaton Electronics 1: HK$28.36 29In Stock	Mfr. Part No. POEA1FB1V7W1X12 Mouser Part No 504-POEA1FB1V7W1X12	Eaton Electronics	Audio Transformers / Signal Transformers Flybk Xfmr EP10 Single Out 7W 12V 0.6A Learn More about Eaton Electronics eaton high voltage poe transformers	Datasheet	29In Stock	Cut Tape HK$28.36 HK$23.18 HK$22.11 HK$18.00 Reel HK$17.26 View HK$16.85 HK$16.03 HK$15.70 HK$15.45 MouseReel Available	Min.: 1 Mult.: 1 : 200
Power Transformers - Board Mount Transformer, low volt PCB mount, low profile, 115/230V, 1.1VA, 56V C.T. @ .02A 162D56 Hammond Manufacturing 1: HK$88.04 20In Stock	Mfr. Part No. 162D56 Mouser Part No 546-162D56	Hammond Manufacturing	Power Transformers - Board Mount Transformer, low volt PCB mount, low profile, 115/230V, 1.1VA, 56V C.T. @ .02A	Datasheet	20In Stock	HK$88.04 HK$82.86 HK$62.55 HK$61.16 View HK$58.94 HK$55.32 HK$54.42 HK$52.94 Quote	Min.: 1 Mult.: 1	1.1 VA	115 VAC, 230 VAC	56 VAC CT	Through Hole
Power Transformers - Industrial Transformer, plate & filament or bias, 26VA, 120V @ 140 ma, 262 series 262F12 Hammond Manufacturing 1: HK$322.22 1In Stock	Mfr. Part No. 262F12 Mouser Part No 546-262F12	Hammond Manufacturing	Power Transformers - Industrial Transformer, plate & filament or bias, 26VA, 120V @ 140 ma, 262 series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	1In Stock	HK$322.22 HK$302.09 HK$292.96 HK$284.99 View HK$282.27 HK$277.01 Quote	Min.: 1 Mult.: 1	26 VA	115 VAC	120 VAC	Chassis
Power Transformers - Industrial TEN-TEC 422 STANDARD PLATE PWDP13045 Hammond Manufacturing 1: HK$4,890.57 2In Stock New At Mouser	Mfr. Part No. PWDP13045 Mouser Part No 546-PWDP13045 New At Mouser	Hammond Manufacturing	Power Transformers - Industrial TEN-TEC 422 STANDARD PLATE	Datasheet	2In Stock	HK$4,890.57	Min.: 1 Mult.: 1
Power Transformers - Board Mount Transformer, PCB mount, low profile, 12VA, 12.6V C.T. @ 900ma, 6.3V @ 1.8a 229B12-BULK Hammond Manufacturing 1: HK$154.04 4In Stock	Mfr. Part No. 229B12-BULK Mouser Part No 546-229B12-BULK	Hammond Manufacturing	Power Transformers - Board Mount Transformer, PCB mount, low profile, 12VA, 12.6V C.T. @ 900ma, 6.3V @ 1.8a Due to size or weight of the product, your shipping charge may increase.	Datasheet	4In Stock	HK$154.04 HK$129.55 HK$124.20 HK$120.34 View HK$116.56 HK$111.71 HK$108.18 Quote	Min.: 1 Mult.: 1	12 VA	115 VAC, 230 VAC	12.6 VAC CT	Through Hole