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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.

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Results: 22,135

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 - Board Mount TRANSFORMER POWER PC-5 PC-16-1500 Bel Signal Transformer 1: $27.31 21In Stock	Mfr. Part # PC-16-1500 Mouser Part # 530-PC-16-1500	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER POWER PC-5 Learn More about Bel Signal Transformer signal transformer pc mount transformers	Datasheet	21In Stock	$27.31 $24.61 $22.69 $20.62 $20.61	Min.: 1 Mult.: 1	24 VA	115 VAC	16 V CT/8 V	Through Hole
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-3 ST-3-20 Bel Signal Transformer 1: $11.88 58In Stock	Mfr. Part # ST-3-20 Mouser Part # 530-ST-3-20	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-3 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	58In Stock	$11.88 $10.10 $9.69 $9.39 View $7.93 $7.88 $7.78 Quote	Min.: 1 Mult.: 1	2.4 VA	115 VAC	20 V CT/10 V	Through Hole
Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-5 ST-5-12 Bel Signal Transformer 1: $18.59 37In Stock	Mfr. Part # ST-5-12 Mouser Part # 530-ST-5-12	Bel Signal Transformer	Power Transformers - Board Mount TRANSFORMER SPLIT-TRAN ST-5 Learn More about Bel Signal Transformer signal transformer st transformers	Datasheet	37In Stock	$18.59 $16.46 $13.99 $13.36 View $12.94 $12.78 Quote	Min.: 1 Mult.: 1	12 VA	115 VAC	12.6 V CT/6.3 V	Through Hole
Pulse Transformers FG, TRANSFORMER, GATE DRIVE 5MM, 250 KH MTBAUGDT250251-LF Vishay / Dale 1: $9.65 92In Stock	Mfr. Part # MTBAUGDT250251-LF Mouser Part # 70-MTBAUGDT250251-LF	Vishay / Dale	Pulse Transformers FG, TRANSFORMER, GATE DRIVE 5MM, 250 KH Learn More about Vishay / Dale vishay dale ugdt transformers	Datasheet	92In Stock	Cut Tape $9.65 $7.83 $7.79 Reel $7.78	Min.: 1 Mult.: 1 : 500				SMD/SMT
Power Transformers - Board Mount WE-FLEX Trnsfmr HV 6.6uH 1.6A 749196248 Wurth Elektronik 1: $9.77 246In Stock	Mfr. Part # 749196248 Mouser Part # 710-749196248	Wurth Elektronik	Power Transformers - Board Mount WE-FLEX Trnsfmr HV 6.6uH 1.6A Learn More about Wurth Elektronik wurthWEFLEXTransformer	Datasheet	246In Stock	Cut Tape $9.77 $8.80 $7.82 $7.70 Reel $6.54 $6.18 MouseReel Available	Min.: 1 Mult.: 1 : 400				SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 15 uH 45 W 750311593 Wurth Elektronik 1: $14.36 130In Stock	Mfr. Part # 750311593 Mouser Part # 710-750311593	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 15 uH 45 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	130In Stock	Cut Tape $14.36 $13.45 Reel $13.45 $10.53 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 100	45 W	30 V to 75 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 15 uH 30 W 750311605 Wurth Elektronik 1: $11.72 125In Stock	Mfr. Part # 750311605 Mouser Part # 710-750311605	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 15 uH 30 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	125In Stock	Cut Tape $11.72 $10.98 Reel $9.55 $8.59 MouseReel Available	Min.: 1 Mult.: 1 : 125	30 W	30 V to 75 V	5 V	SMD/SMT
Power Transformers - Board Mount WE-FB LT3748 3.8 uH 9 W 750311856 Wurth Elektronik 1: $5.04 67In Stock 200Expected 12/3/2026	Mfr. Part # 750311856 Mouser Part # 710-750311856	Wurth Elektronik	Power Transformers - Board Mount WE-FB LT3748 3.8 uH 9 W Learn More about Wurth Elektronik wurth electronics dc dc converter transformers	Datasheet	67In Stock 200Expected 12/3/2026	Cut Tape $5.04 $4.68 $4.32 $3.96 Reel $3.60 $2.97 MouseReel Available	Min.: 1 Mult.: 1 : 200	9 W	16 V to 24 V	15 V, 15 V, 15 V, 15 V	SMD/SMT
Audio Transformers / Signal Transformers WE-DSL VDSL 700uH +-10% 750510348 Wurth Elektronik 1: $4.76 92In Stock	Mfr. Part # 750510348 Mouser Part # 710-750510348	Wurth Elektronik	Audio Transformers / Signal Transformers WE-DSL VDSL 700uH +-10% Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	92In Stock	Cut Tape $4.76 $4.70 $4.41 $4.27 Reel $3.62 View $3.52 $3.01 MouseReel Available	Min.: 1 Mult.: 1 : 350
Audio Transformers / Signal Transformers 100uH 9pF 260mOhm 3000VAC AEC-Q200 B78308A2387A003 TDK 1: $6.32 184In Stock	Mfr. Part # B78308A2387A003 Mouser Part # 871-B78308A2387A003	TDK	Audio Transformers / Signal Transformers 100uH 9pF 260mOhm 3000VAC AEC-Q200 Learn More about TDK epcos e13 emhv transformers	Datasheet	184In Stock	Cut Tape $6.32 $4.91 $4.72 $4.57 Reel $4.05 View $4.41 $3.88 $3.76 $3.71 MouseReel Available	Min.: 1 Mult.: 1 : 190
Power Transformers - Board Mount 40uH 5V/3A 12V/1.25A 30W B82802A0030A220 TDK 1: $5.47 56In Stock	Mfr. Part # B82802A0030A220 Mouser Part # 871-B82802A30A220	TDK	Power Transformers - Board Mount 40uH 5V/3A 12V/1.25A 30W Learn More about TDK epcosb82802a	Datasheet	56In Stock	Cut Tape $5.47 $4.38 $4.21 $4.08 Reel $3.68 View $3.95 $3.55 $3.48 $3.39 MouseReel Available	Min.: 1 Mult.: 1 : 160
Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 5 - 120 MHz, 50? Mini-Circuits T2-1-2W-KK81+ T2-1-2W-KK81+ Mini-Circuits 1: $9.78 15In Stock 100Expected 1/5/2027 New At Mouser	Mfr. Part # T2-1-2W-KK81+ Mouser Part # 139-T2-1-2W-KK81 New At Mouser	Mini-Circuits	Audio Transformers / Signal Transformers 1:2 CORE & WIRE Transformer, 5 - 120 MHz, 50?	Datasheet	15In Stock 100Expected 1/5/2027	$9.78	Min.: 1 Mult.: 1	2 W
Audio Transformers / Signal Transformers 1:4 Core & Wire Transformer, 0.02 - 250 MHz, 50ohm T4-6T-X65+ Mini-Circuits 1: $10.16 3In Stock 10Expected 3/1/2027	Mfr. Part # T4-6T-X65+ Mouser Part # 139-T4-6T-X65	Mini-Circuits	Audio Transformers / Signal Transformers 1:4 Core & Wire Transformer, 0.02 - 250 MHz, 50ohm	Datasheet	3In Stock 10Expected 3/1/2027	$10.16	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC1-1TG2+ Mini-Circuits 1: $4.15 3In Stock 5,980On Order	Mfr. Part # TC1-1TG2+ Mouser Part # 139-TC1-1TG2	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tc1 transformers	Datasheet	3In Stock 5,980On Order On Order Ship Dates Mfr. #: TC1-1TG2+ Stock: 3 Can Ship Immediately On Order: 1,980 Expected 1/6/2027 4,000 Expected 2/10/2027 Factory Lead-Time: 19 Weeks	Cut Tape $4.15 $3.01 $2.53 $2.47 Reel $2.46 $2.10 MouseReel Available	Min.: 1 Mult.: 1 : 500	250 mW
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC1.33-1T-75+ Mini-Circuits 1: $3.68 87In Stock	Mfr. Part # TC1.33-1T-75+ Mouser Part # 139-TC1.33-1T-75	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tc1 transformers	Datasheet	87In Stock	Cut Tape $3.68 $2.53 $2.05 Reel $2.05 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TC1.33-282X+ Mini-Circuits 1: $4.98 214In Stock	Mfr. Part # TC1.33-282X+ Mouser Part # 139-TC1.33-282X	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits tc1 transformers	Datasheet	214In Stock	Cut Tape $4.98 $3.68 $3.31 Reel $3.31 $3.00 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS TCML1-11+ Mini-Circuits 1: $3.40 1In Stock	Mfr. Part # TCML1-11+ Mouser Part # 139-TCML1-11	Mini-Circuits	Audio Transformers / Signal Transformers TC XFMR / SURF MOUNT / RoHS	Datasheet	1In Stock	Cut Tape $3.40 $2.26 $1.83 Reel $1.83 MouseReel Available	Min.: 1 Mult.: 1 : 500
Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS TRS1.33-1T-75+ Mini-Circuits 1: $3.26 265In Stock	Mfr. Part # TRS1.33-1T-75+ Mouser Part # 139-TRS1.33-1T-75	Mini-Circuits	Audio Transformers / Signal Transformers RF XFMR / SURF MOUNT / RoHS Learn More about Mini-Circuits mini circuits trs transformers	Datasheet	265In Stock	Cut Tape $3.26 Reel $3.26 MouseReel Available	Min.: 1 Mult.: 1 : 100
Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.004 - 300 MHz, 50? TT1-6-X65+ Mini-Circuits 1: $11.43 11In Stock 30Expected 2/22/2027	Mfr. Part # TT1-6-X65+ Mouser Part # 139-TT1-6-X65+	Mini-Circuits	Audio Transformers / Signal Transformers 1:1 CORE & WIRE Transformer, 0.004 - 300 MHz, 50?	Datasheet	11In Stock 30Expected 2/22/2027	$11.43	Min.: 1 Mult.: 1	250 mW
Audio Transformers / Signal Transformers 0.3uH 12V 1:1 DCR=0.6Ohms TG01-7856NSLF HALO Electronics 1: $14.30 244In Stock	Mfr. Part # TG01-7856NSLF Mouser Part # 493-TG01-7856NSLF	HALO Electronics	Audio Transformers / Signal Transformers 0.3uH 12V 1:1 DCR=0.6Ohms	Datasheet	244In Stock	$14.30 $10.21 $8.58 $7.15 View $5.36 $4.28 $3.90	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE+ 1Port TG110-HPE7N5RL HALO Electronics 1: $8.55 336In Stock	Mfr. Part # TG110-HPE7N5RL Mouser Part # 493-TG110-HPE7N5RL	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE+ 1Port Learn More about HALO Electronics halo 10 100base tx transformers	Datasheet	336In Stock	$8.55 $6.10 $5.13 $4.27 View $3.20 $2.56 $2.33	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE 1Port TG110-RPE5N5RLTR HALO Electronics 1: $8.35 34In Stock 2,100Expected 5/21/2027	Mfr. Part # TG110-RPE5N5RLTR Mouser Part # 493-TG110-RPE5N5RLTR	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASETX SMD 16P RP-Ultra PoE 1Port Learn More about HALO Electronics halo 10 100base tx transformers	Datasheet	34In Stock 2,100Expected 5/21/2027	Cut Tape $8.35 $5.40 $4.40 $3.56 Reel $2.57 View $2.99 $2.56 MouseReel Available	Min.: 1 Mult.: 1 : 700
Audio Transformers / Signal Transformers GIGABIT ISO MOD GigE 2-Port TG111-E212NWRLTR HALO Electronics 1: $21.90 23In Stock 1,200Expected 5/14/2027	Mfr. Part # TG111-E212NWRLTR Mouser Part # 493-TG111-E212NWRLTR	HALO Electronics	Audio Transformers / Signal Transformers GIGABIT ISO MOD GigE 2-Port Learn More about HALO Electronics halo gigabit ethernet transformers	Datasheet	23In Stock 1,200Expected 5/14/2027	Cut Tape $21.90 $14.15 $11.54 $9.33 Reel $7.83 View $6.75 $6.45 $6.26 MouseReel Available	Min.: 1 Mult.: 1 : 300
Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P 1-Port w/Choke TG1G-S012NZRL HALO Electronics 1: $11.80 18In Stock	Mfr. Part # TG1G-S012NZRL Mouser Part # 493-TG1G-S012NZRL	HALO Electronics	Audio Transformers / Signal Transformers GIGABIT ISO MOD SMD 24P 1-Port w/Choke Learn More about HALO Electronics halo gigabit ethernet transformers	Datasheet	18In Stock	$11.80 $7.61 $6.21 $5.02 View $4.21 $3.63 $3.47 $3.38	Min.: 1 Mult.: 1
Audio Transformers / Signal Transformers 10/100BASETX SMD 16P 1Port Choke TG22-3506NDRL HALO Electronics 1: $10.00 258In Stock	Mfr. Part # TG22-3506NDRL Mouser Part # 493-TG22-3506NDRL	HALO Electronics	Audio Transformers / Signal Transformers 10/100BASETX SMD 16P 1Port Choke Learn More about HALO Electronics halo 10 100base tx poe magnetics	Datasheet	258In Stock	$10.00 $3.05	Min.: 1 Mult.: 1