Power Transformers - Board Mount

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AC/DC Converter Transformers

Würth Elektronik AC/DC Converter Transformers are designed for offline power applications and meet relevant safety standards and dielectric requirements. AC/DC transformers feature universal offline input with many options for output voltages and offer THT, SMT, and single or multiple output options. Würth Elektronik AC/DC Converter Transformers are ideal for offline switch-mode power supplies (SMPS) used in industrial controls, metering, smart adapters, and auxiliary power supply applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Primary Voltage Rating	Secondary Voltage Rating	Power Rating	Secondary Current Rating	Mounting Style	Primary Winding	Secondary Winding	Length	Width	Height	Series
Power Transformers - Board Mount MID-OLPI 120-375V 12V 12W 750310849 Wurth Elektronik 1,050: ¥966.7 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750310849 Mouser Part # 710-750310849	Wurth Elektronik	Power Transformers - Board Mount MID-OLPI 120-375V 12V 12W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥966.7	Min.: 1,050 Mult.: 70	Power	85 VAC to 265 VAC	12 V	12 W	1 A	Through Hole	Triple Primary Winding	Single Secondary Winding	21 mm	25 mm	16 mm	MID-OLPI
Power Transformers - Board Mount MID-OLON NCL30000 870 uH 6.3 W 750311215 Wurth Elektronik 1,000: ¥2,569.6 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750311215 Mouser Part # 710-750311215	Wurth Elektronik	Power Transformers - Board Mount MID-OLON NCL30000 870 uH 6.3 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥2,569.6	Min.: 1,000 Mult.: 50	Power	90 VAC to 135 VAC	18 V	6.3 W	350 mA	Through Hole	Dual Primary Winding	Dual Secondary Winding	21.59 mm	21.08 mm	11.68 mm	MID-OLON
Power Transformers - Board Mount MID-OLON NCL30001 625 uH 75 W 750311267 Wurth Elektronik 1,000: ¥5,909.8 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # 750311267 Mouser Part # 710-750311267	Wurth Elektronik	Power Transformers - Board Mount MID-OLON NCL30001 625 uH 75 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 26 Weeks	¥5,909.8	Min.: 1,000 Mult.: 20	Flyback Transformers	85 VAC to 265 VAC	50 V	75 W	1.5 A	Through Hole	Dual Primary Winding	Single Secondary Winding	35.56 mm	37.34 mm	34.29 mm	MID-OLON
Power Transformers - Board Mount MID-OLON NCL30001 600 uH 89.6 W 750311269 Wurth Elektronik 1,000: ¥2,212.5 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750311269 Mouser Part # 710-750311269	Wurth Elektronik	Power Transformers - Board Mount MID-OLON NCL30001 600 uH 89.6 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥2,212.5	Min.: 1,000 Mult.: 25	Flyback Transformers	85 VAC to 265 VAC	28 V	89.6 W	3.2 A	Through Hole	Dual Primary Winding	Dual Secondary Winding	35.56 mm	37.34 mm	34.29 mm	MID-OLON
Power Transformers - Board Mount MID-OLON NCL30000 1.72 mH 35 W 750311475 Wurth Elektronik 1,029: ¥2,511.4 Non-Stocked Lead-Time 17 Weeks	Mfr. Part # 750311475 Mouser Part # 710-750311475	Wurth Elektronik	Power Transformers - Board Mount MID-OLON NCL30000 1.72 mH 35 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 17 Weeks	¥2,511.4	Min.: 1,029 Mult.: 49	Power	90 VAC to 305 VAC	25 V, 50 V	35 W	350 mA, 700 mA	Through Hole	Dual Primary Winding	Dual Secondary Winding	26.92 mm	26.67 mm	14.61 mm	MID-OLON
Power Transformers - Board Mount MID-OLNXP 85-265V 100kHz 750311525 Wurth Elektronik 1,000: ¥1,164.4 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750311525 Mouser Part # 710-750311525	Wurth Elektronik	Power Transformers - Board Mount MID-OLNXP 85-265V 100kHz Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥1,164.4	Min.: 1,000 Mult.: 100	Power	85 VAC to 265 VAC	40 V	20 W	500 mA	Through Hole	Dual Primary Winding	Dual Secondary Winding	14.73 mm	14.73 mm	15.24 mm	MID-OLNXP
Power Transformers - Board Mount MID-OLTI LM3445 803.5 uH 10 W 750311553 Wurth Elektronik 1,000: ¥1,162.7 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750311553 Mouser Part # 710-750311553	Wurth Elektronik	Power Transformers - Board Mount MID-OLTI LM3445 803.5 uH 10 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥1,162.7	Min.: 1,000 Mult.: 50	Flyback Transformers	90 VAC to 140 VAC	25 V	10 W	400 mA	Through Hole	Dual Primary Winding	Dual Secondary Winding	20.32 mm	24.38 mm	16 mm	MID-OLTI
Power Transformers - Board Mount MID-OLON NCL30000 1.9 mH 11.3 W 750311620 Wurth Elektronik 1,000: ¥2,627.7 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750311620 Mouser Part # 710-750311620	Wurth Elektronik	Power Transformers - Board Mount MID-OLON NCL30000 1.9 mH 11.3 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥2,627.7	Min.: 1,000 Mult.: 50	Power	30 V to 190 V	25 V	11.3 W	450 mA	SMD/SMT	Dual Primary Winding	Single Secondary Winding	23.11 mm	25.91 mm	10.92 mm	MID-OLON
Power Transformers - Board Mount MID-OLTI LM5021 540 uH 28.6 W 750311959 Wurth Elektronik 1,040: ¥1,445.1 Non-Stocked Lead-Time 14 Weeks	Mfr. Part # 750311959 Mouser Part # 710-750311959	Wurth Elektronik	Power Transformers - Board Mount MID-OLTI LM5021 540 uH 28.6 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 14 Weeks	¥1,445.1	Min.: 1,040 Mult.: 65	Power	120 VAC	20 V	28.6 W	1.43 A	Through Hole	Dual Primary Winding	Single Secondary Winding	26.04 mm	26.67 mm	13.59 mm	MID-OLTI
Power Transformers - Board Mount WE-UNIT Offline 1.2mH 100mVAC 2.9Ohm 750311992 Wurth Elektronik 1: ¥1,257.4 Non-Stocked	Mfr. Part # 750311992 Mouser Part # 710-750311992	Wurth Elektronik	Power Transformers - Board Mount WE-UNIT Offline 1.2mH 100mVAC 2.9Ohm Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked	¥1,257.4 ¥1,240.8 ¥1,204.2 ¥1,023.2 View ¥930.2 ¥755.8	Min.: 1 Mult.: 1	Power								18.8 mm	16.9 mm	13.31 mm	WE-UNIT
Power Transformers - Board Mount MID-OLON NCP1251 750 uH 20 W 750312279 Wurth Elektronik 1,050: ¥1,421.8 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750312279 Mouser Part # 710-750312279	Wurth Elektronik	Power Transformers - Board Mount MID-OLON NCP1251 750 uH 20 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥1,421.8	Min.: 1,050 Mult.: 70	Power	85 VAC to 265 VAC	5 V	20 W	4 A	Through Hole	Dual Primary Winding	Single Secondary Winding	23 mm	22 mm	17.53 mm	MID-OLON
Power Transformers - Board Mount MID-OLON NCP1251 750 uH 21.6 W 750312495 Wurth Elektronik 1,050: ¥892 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750312495 Mouser Part # 710-750312495	Wurth Elektronik	Power Transformers - Board Mount MID-OLON NCP1251 750 uH 21.6 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥892	Min.: 1,050 Mult.: 70	Flyback Transformers	85 VAC to 265 VAC	12 V	21.6 W	1.8 A	Through Hole	Dual Primary Winding	Single Secondary Winding	23 mm	22 mm	17.53 mm	MID-OLON
Power Transformers - Board Mount MID-OLTI UCC28700 925 uH 5 W 750312723 Wurth Elektronik 1,040: ¥1,876.9 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # 750312723 Mouser Part # 710-750312723	Wurth Elektronik	Power Transformers - Board Mount MID-OLTI UCC28700 925 uH 5 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	Non-Stocked Lead-Time 16 Weeks	¥1,876.9	Min.: 1,040 Mult.: 130	Flyback Transformers	85 VAC to 265 VAC	5 V	5 W	1 A	Through Hole	Single Primary Winding	Single Secondary Winding	14.22 mm	20.45 mm	10.41 mm	MID-OLTI
Power Transformers - Board Mount MID-OLNXP 100kHz 750312870 Wurth Elektronik 1,056: ¥1,328.8 Non-Stocked Lead-Time 53 Weeks	Mfr. Part # 750312870 Mouser Part # 710-750312870	Wurth Elektronik	Power Transformers - Board Mount MID-OLNXP 100kHz Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 53 Weeks	¥1,328.8	Min.: 1,056 Mult.: 88	Flyback Transformers	190 VAC to 260 VAC	39 V	9 W	230 mA	Through Hole	Dual Primary Winding	Single Secondary Winding	13.97 mm	13.97 mm	12.7 mm	MID-OLNXP
Power Transformers - Board Mount MID-OLON NCP1937 500 uH 100.1 W 750313054 Wurth Elektronik 1,008: ¥2,468.2 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750313054 Mouser Part # 710-750313054	Wurth Elektronik	Power Transformers - Board Mount MID-OLON NCP1937 500 uH 100.1 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥2,468.2	Min.: 1,008 Mult.: 16	Flyback Transformers	80 VAC to 400 VAC	15.5 V, 19 V, 34 V	100.1 W	10 mA, 5.25 A	Through Hole	Dual Primary Winding	Dual Secondary Winding	34 mm	37.34 mm	24.13 mm	MID-OLON
Power Transformers - Board Mount WE-UNIT Offline 3.52mH +-10% 750313241 Wurth Elektronik 1,000: ¥2,141 Non-Stocked Lead-Time 21 Weeks	Mfr. Part # 750313241 Mouser Part # 710-750313241	Wurth Elektronik	Power Transformers - Board Mount WE-UNIT Offline 3.52mH +-10% Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 21 Weeks	¥2,141	Min.: 1,000 Mult.: 50	Power	90 VAC to 305 VAC	16 V, 56 V	40 W	20 mA, 700 mA	Through Hole	Dual Primary Winding	Dual Secondary Winding	24 mm	24 mm	18.67 mm	WE-UNIT
Power Transformers - Board Mount MID-OLON NCP1075 5.5 mH 6.8 W 750313309 Wurth Elektronik 1,080: ¥877 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750313309 Mouser Part # 710-750313309	Wurth Elektronik	Power Transformers - Board Mount MID-OLON NCP1075 5.5 mH 6.8 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥877	Min.: 1,080 Mult.: 90	Power	283 VAC to 425 VAC	5 V, 9 V	6.8 W	200 mA, 1 A	Through Hole	Dual Primary Winding	Dual Secondary Winding	17.96 mm	20.3 mm	14.3 mm	MID-OLON
Power Transformers - Board Mount MID-OLTI LM5023 400 uH 65.2 W 750313417 Wurth Elektronik 1,000: ¥1,876.9 Non-Stocked Lead-Time 17 Weeks	Mfr. Part # 750313417 Mouser Part # 710-750313417	Wurth Elektronik	Power Transformers - Board Mount MID-OLTI LM5023 400 uH 65.2 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 17 Weeks	Cut Tape ¥1,876.9	Min.: 1,000 Mult.: 100 : 100	Signal Transformers	85 VAC to 265 VAC	19 V	65.2 W	3.43 A	SMD/SMT	Dual Primary Winding	Triple Secondary Winding	27.03 mm	32.31 mm	13.97 mm	MID-OLTI
Power Transformers - Board Mount MID-OLTI UCC28720 960 uH 6 W 750313747 Wurth Elektronik 1,040: ¥1,674.3 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # 750313747 Mouser Part # 710-750313747	Wurth Elektronik	Power Transformers - Board Mount MID-OLTI UCC28720 960 uH 6 W Learn More about Wurth Elektronik wurthWEUNITTransformer	Datasheet	Non-Stocked Lead-Time 20 Weeks	¥1,674.3	Min.: 1,040 Mult.: 130	Power	85 VAC to 265 VAC	5 V	6 W	1.2 A	Through Hole	Single Primary Winding	Dual Secondary Winding	15 mm	15.75 mm	18.5 mm	MID-OLTI
Power Transformers - Board Mount MID-TI PRI Flyback .367 uH 2.55A 5.3V 750313823 Wurth Elektronik 1,050: ¥1,931.7 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750313823 Mouser Part # 710-750313823	Wurth Elektronik	Power Transformers - Board Mount MID-TI PRI Flyback .367 uH 2.55A 5.3V Learn More about Wurth Elektronik wurthWEUNITTransformer	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥1,931.7	Min.: 1,050 Mult.: 70	Flyback Transformers	85 VAC to 265 VAC	5.3 V	13.5 W	2.55 A	Through Hole	Dual Primary Winding	Single Secondary Winding	20.32 mm	24.38 mm	16.51 mm	MID-OLTI
Power Transformers - Board Mount MID-OLTI UCC28700 1.8 mH 3 W 750313959 Wurth Elektronik 1,040: ¥1,106.2 Non-Stocked Lead-Time 15 Weeks	Mfr. Part # 750313959 Mouser Part # 710-750313959	Wurth Elektronik	Power Transformers - Board Mount MID-OLTI UCC28700 1.8 mH 3 W Learn More about Wurth Elektronik wurth elec WE FB flyback transformers	Datasheet	Non-Stocked Lead-Time 15 Weeks	¥1,106.2	Min.: 1,040 Mult.: 130	Flyback Transformers	85 VAC to 265 VAC	12 V	3 W	250 mA	Through Hole	Dual Primary Winding	Single Secondary Winding	13.72 mm	20.45 mm	10.41 mm	MID-OLTI
Power Transformers - Board Mount MID-OLSTM VIPER0P 2.5 mH 6.9 W 750314288 Wurth Elektronik 1,080: ¥709.2 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750314288 Mouser Part # 710-750314288	Wurth Elektronik	Power Transformers - Board Mount MID-OLSTM VIPER0P 2.5 mH 6.9 W Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥709.2	Min.: 1,080 Mult.: 90	Flyback Transformers	85 VAC to 265 VAC	- 5 V, 7 V	6.9 W	420 mA, 800 mA	Through Hole	Dual Primary Winding	Dual Secondary Winding	18.5 mm	16.5 mm	18.8 mm	MID-OLSTM
Power Transformers - Board Mount MID-OLSTM 85-265V 80kHz 750316878 Wurth Elektronik 1,080: ¥689.3 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750316878 Mouser Part # 710-750316878	Wurth Elektronik	Power Transformers - Board Mount MID-OLSTM 85-265V 80kHz Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥689.3	Min.: 1,080 Mult.: 90	Offline Transformers	85 VAC to 265 VAC	4.5 V, 13 V	9.6 W	100 mA, 700 mA	Through Hole	Single Primary Winding	Dual Secondary Winding	17.04 mm	13.84 mm	22.55 mm	MID-OLSTM
Power Transformers - Board Mount MID-UNIT NXP Offline 1.08mH 0.98Ohm 750340505 Wurth Elektronik 1,078: ¥1,390.3 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 750340505 Mouser Part # 710-750340505	Wurth Elektronik	Power Transformers - Board Mount MID-UNIT NXP Offline 1.08mH 0.98Ohm Learn More about Wurth Elektronik wurthWEUNITTransformer	Datasheet	Non-Stocked Lead-Time 19 Weeks	¥1,390.3	Min.: 1,078 Mult.: 49	Power	85 VAC to 265 VAC	24 V	12 W	500 mA	Through Hole	Dual Primary Winding	Single Secondary Winding	26.04 mm	26.67 mm	13.59 mm	MID-OLNXP
Power Transformers - Board Mount MID-OLTI 90-135V 750341086 Wurth Elektronik 1,080: ¥569.7 Non-Stocked	Mfr. Part # 750341086 Mouser Part # 710-750341086	Wurth Elektronik	Power Transformers - Board Mount MID-OLTI 90-135V Learn More about Wurth Elektronik wurth electronics ac dc converter transformers	Datasheet	Non-Stocked	¥569.7	Min.: 1,080 Mult.: 90	Power	85 V to 135 V	22 V	7.7 W	350 mA	Through Hole	Dual Primary Winding	Single Secondary Winding	16.9 mm	18.8 mm	13.31 mm	MID-OLTI