21 mm Transformers

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Width = 21 mm

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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
Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750/51 DA2034-ALD Coilcraft 1: $6.54 458In Stock 2,450On Order	Mfr. Part # DA2034-ALD Mouser Part # 994-DA2034-ALD	Coilcraft	Audio Transformers / Signal Transformers DA2032 Cap Chrgr For Linear LT3750/51 Learn More about Coilcraft power magnetics	Datasheet	458In Stock 2,450On Order On Order Ship Dates Mfr. #: DA2034-ALD Stock: 458 Can Ship Immediately On Order: 1,400 Expected 11/6/2026 1,050 Expected 12/7/2026 Factory Lead-Time: 10 Weeks	Cut Tape $6.54 $5.07 $4.87 $4.72 Reel $4.38 View $4.57 $4.24 $4.11 MouseReel Available	Min.: 1 Mult.: 1 : 175
Power Transformers - Board Mount Offline Flyback Transformers w/ Reinforced Insulation 094929 Bourns 1: $4.55 4,062In Stock	Mfr. Part # 094929 Mouser Part # 652-94929	Bourns	Power Transformers - Board Mount Offline Flyback Transformers w/ Reinforced Insulation Learn More about Bourns 063x 093830 0949x flyback transformers	Datasheet	4,062In Stock	$4.55 $4.12 $3.77 $3.65 View $3.54 $3.50 $3.44 $3.20 $2.87	Min.: 1 Mult.: 1	22 W	85 VAC to 265 VAC	12 V	PCB Mount
Audio Transformers / Signal Transformers 100 V transformer for loudspeakers in PA systems (4 & 8ohm) 20 20000Hz 1801 Visaton 1: $17.53 5In Stock	Mfr. Part # 1801 Mouser Part # 243-TR84	Visaton	Audio Transformers / Signal Transformers 100 V transformer for loudspeakers in PA systems (4 & 8ohm) 20 20000Hz	Datasheet	5In Stock	$17.53 $15.77 $15.11 $14.63 View $14.07 $13.57 $13.14	Min.: 1 Mult.: 1	10 W
Power Transformers - Board Mount Offline Flyback Transformers w/ Reinforced Insulation 094931 Bourns 1: $5.40 140In Stock	Mfr. Part # 094931 Mouser Part # 652-94931	Bourns	Power Transformers - Board Mount Offline Flyback Transformers w/ Reinforced Insulation Learn More about Bourns 063x 093830 0949x flyback transformers	Datasheet	140In Stock	$5.40 $4.94 $4.74 $4.59 View $4.45 $4.05 $3.97 $3.88 $3.82	Min.: 1 Mult.: 1	22 W	85 VAC to 265 VAC	6 V	PCB Mount
Power Transformers - Board Mount ISO MOD SMD 30W PoE+ POE AS1135 Gullwing TGSP-P028EFD20LF HALO Electronics 1: $11.00 139In Stock	Mfr. Part # TGSP-P028EFD20LF Mouser Part # 493-TGSP-P028EFD20LF	HALO Electronics	Power Transformers - Board Mount ISO MOD SMD 30W PoE+ POE AS1135 Gullwing Learn More about HALO Electronics halo dc dc transformers	Datasheet	139In Stock	$11.00 $7.09 $5.79 $4.68 View $3.93 $3.39 $3.24 Quote	Min.: 1 Mult.: 1	30 W			SMD/SMT
Power Transformers - Board Mount ISO MOD SMD 30W PoE+ POE AS1135 Gullwing TGSP-P026EFD20LF HALO Electronics 504: $3.39 Non-Stocked	Mfr. Part # TGSP-P026EFD20LF Mouser Part # 493-TGSP-P026EFD20LF	HALO Electronics	Power Transformers - Board Mount ISO MOD SMD 30W PoE+ POE AS1135 Gullwing Learn More about HALO Electronics halo dc dc transformers	Datasheet	Non-Stocked	$3.39 $3.24 $3.15	Min.: 504 Mult.: 63	30 W			SMD/SMT
Power Transformers - Board Mount ISO MOD SMD 30W PoE+ POE AS1135 Gullwing TGSP-P027EFD20LF HALO Electronics 504: $3.45 Non-Stocked	Mfr. Part # TGSP-P027EFD20LF Mouser Part # 493-TGSP-P027EFD20LF	HALO Electronics	Power Transformers - Board Mount ISO MOD SMD 30W PoE+ POE AS1135 Gullwing Learn More about HALO Electronics halo dc dc transformers	Datasheet	Non-Stocked	$3.45 $3.44 $3.39	Min.: 504 Mult.: 63	30 W			SMD/SMT
Power Transformers - Board Mount ISO MOD SMD 30W PoE+ POE AS1135 Gullwing TGSP-P026EFD20LFTR HALO Electronics 480: $3.58 Non-Stocked	Mfr. Part # TGSP-P026EFD20LFTR Mouser Part # 493-TGSPP026EFD20LFT	HALO Electronics	Power Transformers - Board Mount ISO MOD SMD 30W PoE+ POE AS1135 Gullwing Learn More about HALO Electronics halo dc dc transformers	Datasheet	Non-Stocked	Cut Tape $3.58 $3.56 $3.51	Min.: 480 Mult.: 120 : 120	30 W			SMD/SMT
Power Transformers - Board Mount ISO MOD SMD 30W PoE+ POE AS1135 Gullwing TGSP-P028EFD20LFTR HALO Electronics 480: $3.58 Non-Stocked	Mfr. Part # TGSP-P028EFD20LFTR Mouser Part # 493-TGSPP028EFD20LFT	HALO Electronics	Power Transformers - Board Mount ISO MOD SMD 30W PoE+ POE AS1135 Gullwing Learn More about HALO Electronics halo dc dc transformers	Datasheet	Non-Stocked	Cut Tape $3.58 $3.56 $3.51	Min.: 480 Mult.: 120 : 120	30 W			SMD/SMT
Power Transformers - Board Mount SP-E 20/6 LI=0,94mH+/-10% 094929-002 Bourns 4,000: $3.08 Non-Stocked	Mfr. Part # 094929-002 Mouser Part # 652-094929-002	Bourns	Power Transformers - Board Mount SP-E 20/6 LI=0,94mH+/-10%	Datasheet	Non-Stocked	$3.08	Min.: 4,000 Mult.: 250	22 W	85 VAC to 265 VAC	12 V	PCB Mount
Power Transformers - Board Mount SP-E 20/6, LI=940 H 10 094932-002 Bourns 4,000: $3.70 Non-Stocked	Mfr. Part # 094932-002 Mouser Part # 652-094932-002	Bourns	Power Transformers - Board Mount SP-E 20/6, LI=940 H 10	Datasheet	Non-Stocked	$3.70	Min.: 4,000 Mult.: 250	22 W	85 VAC to 265 VAC	12 V	PCB Mount
Power Transformers - Board Mount Offline Flyback Transformers w/ Reinforced Insulation 094932-003 Bourns 4,000: $3.86 Non-Stocked	Mfr. Part # 094932-003 Mouser Part # 652-94932	Bourns	Power Transformers - Board Mount Offline Flyback Transformers w/ Reinforced Insulation Learn More about Bourns 063x 093830 0949x flyback transformers	Datasheet	Non-Stocked	$3.86	Min.: 4,000 Mult.: 250	22 W	85 VAC to 265 VAC	12 V	PCB Mount
Power Transformers - Board Mount WE-UNIT Offline 1.60mH +-10% 750813021 Wurth Elektronik 1: $6.30 Non-Stocked	Mfr. Part # 750813021 Mouser Part # 710-750813021	Wurth Elektronik	Power Transformers - Board Mount WE-UNIT Offline 1.60mH +-10% Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked	$6.30 $6.12 $5.78 $5.46 View $4.62 $3.97 $3.53 $3.43 $3.32	Min.: 1 Mult.: 1

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