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78250J Converter Transformers

Murata Power Solutions 78250J Converter Transformers are specifically designed for use with Maxim MAX250/MAX251 chipsets to provide isolated RS232 interfaces. Murata Power Solutions has ensured consistent performance with carefully controlled ratio turns. The 78250J converter transformers feature J-STD-020D reflow and isolation to 4kVrms, while the toroidal construction minimizes EMI.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Secondary Current Rating	Mounting Style	Length	Width	Height	Series
	Power Transformers - Board Mount MAX250 TRANS 4KVDC 2.5MH DIP 78250JVC-R Murata Power Solutions 1: Rp93.198 241In Stock 500Expected 06/11/2026	Mfr. Part No. 78250JVC-R Mouser Part No 580-78250JVC-R	Murata Power Solutions	Power Transformers - Board Mount MAX250 TRANS 4KVDC 2.5MH DIP Learn More about Murata Power Solutions Murata78250J	Datasheet	241In Stock 500Expected 06/11/2026	Cut Tape Rp93.198 Rp74.668 Rp71.733 Rp69.531 Reel Rp60.175 View Rp67.330 Rp64.578 Rp59.258 Rp58.524 MouseReel Available	Min.: 1 Mult.: 1 : 500			300 mA	SMD/SMT	12.7 mm	9 mm	6.35 mm	78250
	Power Transformers - Board Mount 78250JC-R Murata Power Solutions 1: Rp73.384 290In Stock 500Expected 25/11/2026	Mfr. Part No. 78250JC-R Mouser Part No 580-78250JC-R	Murata Power Solutions	Power Transformers - Board Mount Learn More about Murata Power Solutions Murata78250J	Datasheet	290In Stock 500Expected 25/11/2026	Cut Tape Rp73.384 Rp66.413 Rp59.991 Rp58.157 Reel Rp52.103 View Rp56.322 Rp55.038 Rp49.901 Rp48.617 MouseReel Available	Min.: 1 Mult.: 1 : 500			300 mA	SMD/SMT	12.7 mm	9 mm	6.35 mm	78250
	Power Transformers - Board Mount MAX250 TRANS 4KVDC 2.5MH DIP 78250VC Murata Power Solutions 1: Rp87.510 20In Stock	Mfr. Part No. 78250VC Mouser Part No 580-78250VC	Murata Power Solutions	Power Transformers - Board Mount MAX250 TRANS 4KVDC 2.5MH DIP Learn More about Murata Power Solutions Murata78250J	Datasheet	20In Stock	Rp87.510 Rp76.870 Rp73.751 Rp68.247 View Rp66.413 Rp61.643 Rp60.542 Rp59.991	Min.: 1 Mult.: 1				Through Hole	9.52 mm	9 mm	6.35 mm	78250
	Power Transformers - Board Mount MAX250 TRANS 2MH SMD 78250JC Murata Power Solutions 1: Rp69.164 100On Order	Mfr. Part No. 78250JC Mouser Part No 580-78250JC	Murata Power Solutions	Power Transformers - Board Mount MAX250 TRANS 2MH SMD Learn More about Murata Power Solutions Murata78250J	Datasheet	100On Order On Order Ship Dates Mfr. No: 78250JC Stock: 0 On Order: 50 Expected 04/01/2027 50 Expected 18/01/2027 Factory Lead Time: 11 Weeks	Rp69.164 Rp62.743 Rp58.157 Rp51.369 View Rp50.085 Rp49.167 Rp48.433 Rp47.700 Rp47.333	Min.: 1 Mult.: 1			300 mA	SMD/SMT	12.7 mm	9 mm	6.35 mm	78250
	Power Transformers - Board Mount 2 MH POWER TRANSFORMER 78250JVC Murata Power Solutions 1: Rp92.647 97Expected 28/12/2026	Mfr. Part No. 78250JVC Mouser Part No 580-78250JVC	Murata Power Solutions	Power Transformers - Board Mount 2 MH POWER TRANSFORMER Learn More about Murata Power Solutions Murata78250J	Datasheet	97Expected 28/12/2026	Rp92.647 Rp79.255 Rp76.136 Rp73.567 View Rp71.366 Rp68.431 Rp64.028	Min.: 1 Mult.: 1			300 mA	SMD/SMT	12.7 mm	9 mm	6.35 mm	78250