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P78B-500 Non-Isolated DC-DC Converters

CUI Inc P78B-500 Non-Isolated DC-DC Converters are compact devices offering a high-performance alternative to linear regulators. Housed in a compact 3-pin SIP package, this CUI Inc series is pin-compatible with LM78x model regulators and features low ripple and noise. P78B-500 DC-DC Converters do not require a heat sink, making these switch regulators ideal for applications where board space is at a premium and energy efficiency is a concern.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PLN) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Isolation	Output Power	Input Voltage, Nominal	Input Voltage, Min	Input Voltage, Max	Output Voltage-Channel 1	Output Current-Channel 1	Package/Case	Length	Width	Height	Industry	Maximum Operating Temperature	Minimum Operating Temperature	Series
	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 8 36 Vdc input, 6.5 Vdc output, SIP P7806B-500 CUI Inc. 1: 19,32 zł 124In Stock	Mfr. Part No. P7806B-500 Mouser Part No 490-P7806B-500	CUI Inc.	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 8 36 Vdc input, 6.5 Vdc output, SIP Learn More about CUI Inc. cui p78b 500 dc dc converters	Datasheet	124In Stock	19,32 zł 18,88 zł 18,61 zł 17,91 zł View 17,56 zł 17,25 zł 16,46 zł 16,37 zł 16,10 zł	Min.: 1 Mult.: 1			Non-Isolated	3.25 W				6.5 V	500 mA	SIP-3	11.6 mm (0.457 in)	7.6 mm (0.299 in)	10.2 mm (0.402 in)	Industrial	+ 85 C	- 40 C	P78B-500
	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 4.75 36 Vdc input, 1.8 Vdc output, SIP P7802B-500 CUI Inc. 1: 18,88 zł 77In Stock	Mfr. Part No. P7802B-500 Mouser Part No 490-P7802B-500	CUI Inc.	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 4.75 36 Vdc input, 1.8 Vdc output, SIP Learn More about CUI Inc. cui p78b 500 dc dc converters	Datasheet	77In Stock	18,88 zł 18,48 zł 18,22 zł 17,51 zł View 17,16 zł 16,90 zł 16,50 zł 16,37 zł	Min.: 1 Mult.: 1			Non-Isolated	900 mW				1.8 V	500 mA	SIP-3	11.6 mm (0.457 in)	7.6 mm (0.299 in)	10.2 mm (0.402 in)	Industrial	+ 85 C	- 40 C	P78B-500
	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 11 36 Vdc input, 9 Vdc output, SIP P7809B-500 CUI Inc. 1: 18,88 zł 193In Stock	Mfr. Part No. P7809B-500 Mouser Part No 490-P7809B-500	CUI Inc.	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 11 36 Vdc input, 9 Vdc output, SIP Learn More about CUI Inc. cui p78b 500 dc dc converters	Datasheet	193In Stock	18,88 zł 18,48 zł 18,22 zł 17,51 zł View 17,16 zł 16,90 zł 16,50 zł 16,37 zł	Min.: 1 Mult.: 1			Non-Isolated	4.5 W				9 V	500 mA	SIP-3	11.6 mm (0.457 in)	7.6 mm (0.299 in)	10.2 mm (0.402 in)	Industrial	+ 85 C	- 40 C	P78B-500
	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 18 36 Vdc input, 15 Vdc output, SIP P7815B-500 CUI Inc. 1: 19,32 zł 11In Stock	Mfr. Part No. P7815B-500 Mouser Part No 490-P7815B-500	CUI Inc.	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 18 36 Vdc input, 15 Vdc output, SIP Learn More about CUI Inc. cui p78b 500 dc dc converters	Datasheet	11In Stock	19,32 zł 18,88 zł 18,61 zł 17,91 zł View 17,56 zł 16,76 zł 16,46 zł 16,37 zł 16,10 zł	Min.: 1 Mult.: 1			Non-Isolated	7.5 W				15 V	500 mA	SIP-3	11.6 mm (0.457 in)	7.6 mm (0.299 in)	10.2 mm (0.402 in)	Industrial	+ 85 C	- 40 C	P78B-500
	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 6.5 36 Vdc input, 5 Vdc output, SIP P7805B-500 CUI Inc. 1: 25,70 zł 892In Stock 2 436On Order	Mfr. Part No. P7805B-500 Mouser Part No 490-P7805B-500	CUI Inc.	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 6.5 36 Vdc input, 5 Vdc output, SIP Learn More about CUI Inc. cui p78b 500 dc dc converters	Datasheet	892In Stock 2 436On Order On Order Ship Dates Mfr. No: P7805B-500 Stock: 892 Can Dispatch Immediately On Order: 168 Pending 630 Expected 12/11/2026 1 638 Expected 1/19/2027 Factory Lead Time: 14 Weeks	25,70 zł 25,26 zł 24,99 zł 24,24 zł View 23,94 zł 23,67 zł 23,23 zł 18,48 zł	Min.: 1 Mult.: 1			Non-Isolated	2.5 W				5 V	500 mA	SIP-3	11.6 mm (0.457 in)	7.6 mm (0.299 in)	10.2 mm (0.402 in)	Industrial	+ 85 C	- 40 C	P78B-500
	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 15 36 Vdc input, 12 Vdc output, SIP P7812B-500 CUI Inc. 1: 23,80 zł 556In Stock 336Expected 10/30/2026	Mfr. Part No. P7812B-500 Mouser Part No 490-P7812B-500	CUI Inc.	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 15 36 Vdc input, 12 Vdc output, SIP Learn More about CUI Inc. cui p78b 500 dc dc converters	Datasheet	556In Stock 336Expected 10/30/2026	23,80 zł 23,36 zł 23,10 zł 22,35 zł View 22,04 zł 19,58 zł 19,14 zł 17,20 zł 17,07 zł	Min.: 1 Mult.: 1			Non-Isolated	6 W				12 V	500 mA	SIP-3	11.6 mm (0.457 in)	7.6 mm (0.299 in)	10.2 mm (0.402 in)	Industrial	+ 85 C	- 40 C	P78B-500
	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 4.75 36 Vdc input, 3.3 Vdc output, SIP P7803B-500 CUI Inc. 1: 23,80 zł 242In Stock	Mfr. Part No. P7803B-500 Mouser Part No 490-P7803B-500	CUI Inc.	DC/DC Converters - Through Hole dc-dc non-isolated, 0.5 A, 4.75 36 Vdc input, 3.3 Vdc output, SIP Learn More about CUI Inc. cui p78b 500 dc dc converters	Datasheet	242In Stock	23,80 zł 23,36 zł 23,10 zł 22,35 zł View 22,04 zł 21,78 zł 21,38 zł 18,66 zł 17,78 zł	Min.: 1 Mult.: 1			Non-Isolated	1.65 W				3.3 V	500 mA	SIP-3	11.6 mm (0.457 in)	7.6 mm (0.299 in)	10.2 mm (0.402 in)	Industrial	+ 85 C	- 40 C	P78B-500