Recom Switching Regulator, Through Hole, 1.8V dc Output Voltage, 4.75 → 18V dc Input Voltage, 1A Output Current,

RS stock no.:: 672-7118
Mfr Part No.:: R-781.8-1.0
Manufacturer:: Recom

Recom Switching Regulator, Through Hole, 1.8V dc Output Voltage, 4.75 → 18V dc Input Voltage, 1A Output Current,

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Subtotal (1 unit)*

R 166,95

(exc. VAT)

R 191,99

(inc. VAT)

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Shipping from 20 April 2026

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Units	Per unit
1 - 4	R 166.95
5 - 9	R 162.78
10 - 24	R 157.90
25 - 49	R 151.58
50 +	R 145.52

*price indicative

RS stock no.:: 672-7118
Mfr Part No.:: R-781.8-1.0
Manufacturer:: Recom

Specification

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Recom
	Output Voltage	1.8V dc
	Output Current	1A
	Input Voltage	4.75 → 18V dc
	Mounting Type	Through Hole
	Number of Outputs	1
	Package	SIP
	Power Rating	1.8W
	Efficiency	82%
	Ripple And Noise	20mV Pk-Pk
	Maximum Temperature	+85°C
	Minimum Temperature	-40°C
	Series	R-78-1.0
	Line Regulation	0.2%
	Width	7.55mm
	Load Regulation	0.4%
	MTBF	13338000h
	Weight	1.9g
	Depth	10.2mm
	Length	11.5mm

	Select all
	Brand Recom
	Output Voltage 1.8V dc
	Output Current 1A
	Input Voltage 4.75 → 18V dc
	Mounting Type Through Hole
	Number of Outputs 1
	Package SIP
	Power Rating 1.8W
	Efficiency 82%
	Ripple And Noise 20mV Pk-Pk
	Maximum Temperature +85°C
	Minimum Temperature -40°C
	Series R-78-1.0
	Line Regulation 0.2%
	Width 7.55mm
	Load Regulation 0.4%
	MTBF 13338000h
	Weight 1.9g
	Depth 10.2mm
	Length 11.5mm

Datasheet

COO (Country of Origin):: TW

RECOM Switching Regulator, Through-Hole Mounting, 1A Output Current - R-78-1.0 Series - R-781.8-1.0

Looking for a power conversion solution that's safe for use in medical applications? You're in safe hands with this RECOM switch regulator. It takes a wide input range from 4.75 to 18V DC and delivers a steady output voltage of 1.8V, ensuring a reliable power source for your critical equipment. Thanks to compact dimensions of 11.5 (L) x 7.55 (W) x 10.2mm (D) size, it won't take up much space in your setup.

Features & Benefits

• Low ripple and noise of 20mV Pk-Pk keeps EMI to a minimum
• Efficiency of 82% means little energy is lost during conversion, so you won't need a heat sink
• Performs without a glitch in a challenging temperature range between -40°C and +85°C

Applications

• Renewable energy plants
• Automotive industry
• Telecommunications networks

How does this regulator handle unsteady input voltage?

This switching regulator delivers line regulation of 0.2%. This means that even with fluctuating input voltage, it's able to maintain steady output.

How reliable is this switching regulator?

As it has a mean time between failures of over 13 million hours at +25°C, you can depend on smooth and consistent performance over the long term.