DC/DC Converters - Through Hole

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DQS1-S/DRS1-S DC-DC Converters

CUI Inc DQS1-S/DRS1-S DC-DC Converters are unregulated DC-DC converter modules housed in a compact 4-pin SIP package. These converters feature short circuit protection and 1W isolated output. The DQS1-S/DRS1-S DC-DC converters are UL/cUL 62368-1 certified. The DQS1-S converters offer 1000V_dc isolation voltage and the DRS1-S converters offer 2000V_dc isolation voltage. These converters are ideal solution for consumer electronics, digital or analog systems, smart home appliances, and small-scale automation applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Isolation	Number of Outputs	Output Power	Output Voltage-Channel 1	Output Current-Channel 1	Isolation Voltage	Length	Width	Height	Industry	Maximum Operating Temperature	Minimum Operating Temperature	Series
DC/DC Converters - Through Hole 1W Isolated Output DC-DC Converter DRS1-12-S3-S CUI Inc. 1: $7.938 535In Stock	Mfr. Part # DRS1-12-S3-S Mouser Part # 490-DRS1-12-S3-S	CUI Inc.	DC/DC Converters - Through Hole 1W Isolated Output DC-DC Converter Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	535In Stock	$7.938 $7.828 $7.719 $7.356 View $7.225 $7.104 $6.939 $6.840	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	2 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DRS1
DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter DQS1-24-S12-S CUI Inc. 1: $7.422 100In Stock	Mfr. Part # DQS1-24-S12-S Mouser Part # 490-DQS1-24-S12-S	CUI Inc.	DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	100In Stock	$7.422 $7.312 $7.203 $6.884 View $6.763 $6.643 $6.489 $6.401	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	12 V	84 mA	1 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 90 C	- 40 C	DQS1
DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter DQS1-3-S3-S CUI Inc. 1: $7.422 102In Stock	Mfr. Part # DQS1-3-S3-S Mouser Part # 490-DQS1-3-S3-S	CUI Inc.	DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	102In Stock	$7.422 $7.312 $7.203 $6.884 View $6.763 $6.643 $6.489 $6.401	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	1 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DQS1
DC/DC Converters - Through Hole dc-dc isolated, 1W, 10.8 13.2 Vdc input, 15 Vdc, 0.067 A, single regulated output, SIP DRS1-12-S15-S CUI Inc. 1: $7.938 95In Stock	Mfr. Part # DRS1-12-S15-S Mouser Part # 490-DRS1-12-S15-S	CUI Inc.	DC/DC Converters - Through Hole dc-dc isolated, 1W, 10.8 13.2 Vdc input, 15 Vdc, 0.067 A, single regulated output, SIP Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	95In Stock	$7.938 $7.828 $7.719 $7.356 View $7.225 $7.104 $6.939 $6.840	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	15 V	67 mA	2 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DRS1
DC/DC Converters - Through Hole dc-dc isolated, 1W, 10.8 13.2 Vdc input, 5 Vdc, 0.2 A, single regulated output, SIP DRS1-12-S5-S CUI Inc. 1: $7.927 110In Stock	Mfr. Part # DRS1-12-S5-S Mouser Part # 490-DRS1-12-S5-S	CUI Inc.	DC/DC Converters - Through Hole dc-dc isolated, 1W, 10.8 13.2 Vdc input, 5 Vdc, 0.2 A, single regulated output, SIP Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	110In Stock	$7.927 $7.817 $7.708 $7.345 View $7.225 $7.104 $6.939 $6.840	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	5 V	200 mA	2 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DRS1
DC/DC Converters - Through Hole dc-dc isolated, 1W, 4.5 5.5 Vdc input, 15 Vdc, 0.067 A, single regulated output, SIP DRS1-5-S15-S CUI Inc. 1: $7.927 34In Stock	Mfr. Part # DRS1-5-S15-S Mouser Part # 490-DRS1-5-S15-S	CUI Inc.	DC/DC Converters - Through Hole dc-dc isolated, 1W, 4.5 5.5 Vdc input, 15 Vdc, 0.067 A, single regulated output, SIP Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	34In Stock	$7.927 $7.817 $7.708 $7.345 View $7.225 $7.104 $6.939 $6.840	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	15 V	67 mA	2 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DRS1
DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter DQS1-24-S3-S CUI Inc. 1: $7.411 97In Stock	Mfr. Part # DQS1-24-S3-S Mouser Part # 490-DQS1-24-S3-S	CUI Inc.	DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	97In Stock	$7.411 $7.301 $7.192 $6.873 View $6.763 $6.643 $6.489 $6.401	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	1 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 90 C	- 40 C	DQS1
DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter DQS1-3-S5-S CUI Inc. 1: $7.422 68In Stock	Mfr. Part # DQS1-3-S5-S Mouser Part # 490-DQS1-3-S5-S	CUI Inc.	DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	68In Stock	$7.422 $7.312 $7.203 $6.884 View $6.763 $6.643 $6.489 $6.401	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	5 V	200 mA	1 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DQS1
DC/DC Converters - Through Hole dc-dc isolated, 1W, 21.6 26.4 Vdc input, 12 Vdc, 0.084 A, single regulated output, SIP DRS1-24-S12-S CUI Inc. 1: $7.927 88In Stock	Mfr. Part # DRS1-24-S12-S Mouser Part # 490-DRS1-24-S12-S	CUI Inc.	DC/DC Converters - Through Hole dc-dc isolated, 1W, 21.6 26.4 Vdc input, 12 Vdc, 0.084 A, single regulated output, SIP Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	88In Stock	$7.927 $7.817 $7.708 $7.345 View $7.225 $7.104 $6.939 $6.840	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	12 V	84 mA	2 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 90 C	- 40 C	DRS1
DC/DC Converters - Through Hole dc-dc isolated, 1W, 21.6 26.4 Vdc input, 3.3 Vdc, 0.303 A, single unregulated output, SIP DRS1-24-S3-S CUI Inc. 1: $7.927 82On Order	Mfr. Part # DRS1-24-S3-S Mouser Part # 490-DRS1-24-S3-S	CUI Inc.	DC/DC Converters - Through Hole dc-dc isolated, 1W, 21.6 26.4 Vdc input, 3.3 Vdc, 0.303 A, single unregulated output, SIP Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	82On Order	$7.927 $7.817 $7.708 $7.345 View $7.225 $7.104 $6.939 $6.840	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	2 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 90 C	- 40 C	DRS1
DC/DC Converters - Through Hole dc-dc isolated, 1W, 2.97 3.63 Vdc input, 15 Vdc, 0.067 A, single regulated output, SIP DRS1-3-S15-S CUI Inc. 1: $7.927 78In Stock	Mfr. Part # DRS1-3-S15-S Mouser Part # 490-DRS1-3-S15-S	CUI Inc.	DC/DC Converters - Through Hole dc-dc isolated, 1W, 2.97 3.63 Vdc input, 15 Vdc, 0.067 A, single regulated output, SIP Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	78In Stock	$7.927 $7.817 $7.708 $7.345 View $7.225 $7.104 $6.939 $6.840	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	15 V	67 mA	2 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DRS1
DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter DQS1-24-S5-S CUI Inc. 1: $7.411 86In Stock 82Expected 12/3/2026	Mfr. Part # DQS1-24-S5-S Mouser Part # 490-DQS1-24-S5-S	CUI Inc.	DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	86In Stock 82Expected 12/3/2026	$7.411 $7.301 $7.192 $6.873 View $6.763 $6.643 $6.489 $6.401	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	5 V	200 mA	1 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 90 C	- 40 C	DQS1
DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter DQS1-3-S15-S CUI Inc. 1: $7.411 79In Stock	Mfr. Part # DQS1-3-S15-S Mouser Part # 490-DQS1-3-S15-S	CUI Inc.	DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	79In Stock	$7.411 $7.301 $7.192 $6.873 View $6.763 $6.643 $6.489 $6.401	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	15 V	67 mA	1 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DQS1
DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter DQS1-5-S12-S CUI Inc. 1: $7.422 89In Stock	Mfr. Part # DQS1-5-S12-S Mouser Part # 490-DQS1-5-S12-S	CUI Inc.	DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	89In Stock	$7.422 $7.312 $7.203 $6.884 View $6.763 $6.643 $6.489 $6.401	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	12 V	84 mA	1 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DQS1
DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter DQS1-5-S15-S CUI Inc. 1: $7.411 69In Stock	Mfr. Part # DQS1-5-S15-S Mouser Part # 490-DQS1-5-S15-S	CUI Inc.	DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	69In Stock	$7.411 $7.301 $7.192 $6.873 View $6.763 $6.643 $6.489 $6.401	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	15 V	67 mA	1 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DQS1
DC/DC Converters - Through Hole dc-dc isolated, 1W, 2.97 3.63 Vdc input, 12 Vdc, 0.084 A, single regulated output, SIP DRS1-3-S12-S CUI Inc. 1: $7.927 50In Stock	Mfr. Part # DRS1-3-S12-S Mouser Part # 490-DRS1-3-S12-S	CUI Inc.	DC/DC Converters - Through Hole dc-dc isolated, 1W, 2.97 3.63 Vdc input, 12 Vdc, 0.084 A, single regulated output, SIP Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	50In Stock	$7.927 $7.817 $7.708 $7.345 View $7.225 $7.104 $6.939 $6.840	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	12 V	84 mA	2 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DRS1
DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter DQS1-3-S12-S CUI Inc. 1: $7.411 73In Stock	Mfr. Part # DQS1-3-S12-S Mouser Part # 490-DQS1-3-S12-S	CUI Inc.	DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	73In Stock	$7.411 $7.301 $7.192 $6.873 View $6.763 $6.643 $6.489 $6.401	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	12 V	84 mA	1 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DQS1
DC/DC Converters - Through Hole dc-dc isolated, 1W, 21.6 26.4 Vdc input, 5 Vdc, 0.2 A, single regulated output, SIP DRS1-24-S5-S CUI Inc. 1: $7.927 38In Stock 164Expected 12/11/2026	Mfr. Part # DRS1-24-S5-S Mouser Part # 490-DRS1-24-S5-S	CUI Inc.	DC/DC Converters - Through Hole dc-dc isolated, 1W, 21.6 26.4 Vdc input, 5 Vdc, 0.2 A, single regulated output, SIP Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	38In Stock 164Expected 12/11/2026	$7.927 $7.817 $7.708 $7.345 View $7.225 $7.104 $6.939 $6.840	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	5 V	200 mA	2 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 90 C	- 40 C	DRS1
DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter DQS1-12-S3-S CUI Inc. 1: $7.411 67In Stock	Mfr. Part # DQS1-12-S3-S Mouser Part # 490-DQS1-12-S3-S	CUI Inc.	DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	67In Stock	$7.411 $7.301 $7.192 $6.873 View $6.763 $6.643 $6.489 $6.401	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	1 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DQS1
DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter DQS1-24-S15-S CUI Inc. 1: $7.411 82In Stock	Mfr. Part # DQS1-24-S15-S Mouser Part # 490-DQS1-24-S15-S	CUI Inc.	DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	82In Stock	$7.411 $7.301 $7.192 $6.873 View $6.763 $6.643 $6.489 $6.401	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	15 V	67 mA	1 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 90 C	- 40 C	DQS1
DC/DC Converters - Through Hole dc-dc isolated, 1W, 2.97 3.63 Vdc input, 3.3 Vdc, 0.303 A, single regulated output, SIP DRS1-3-S3-S CUI Inc. 1: $7.938 199In Stock	Mfr. Part # DRS1-3-S3-S Mouser Part # 490-DRS1-3-S3-S	CUI Inc.	DC/DC Converters - Through Hole dc-dc isolated, 1W, 2.97 3.63 Vdc input, 3.3 Vdc, 0.303 A, single regulated output, SIP Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	199In Stock	$7.938 $7.828 $7.719 $7.356 View $7.225 $7.104 $6.939 $6.840	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	2 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DRS1
DC/DC Converters - Through Hole dc-dc isolated, 1W, 10.8 13.2 Vdc input, 12 Vdc, 0.084 A, single regulated output, SIP DRS1-12-S12-S CUI Inc. 1: $8.015 17In Stock 328On Order	Mfr. Part # DRS1-12-S12-S Mouser Part # 490-DRS1-12-S12-S	CUI Inc.	DC/DC Converters - Through Hole dc-dc isolated, 1W, 10.8 13.2 Vdc input, 12 Vdc, 0.084 A, single regulated output, SIP Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	17In Stock 328On Order	$8.015 $7.894 $7.784 $7.411 View $7.290 $7.170 $7.005 $6.906	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	12 V	84 mA	2 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DRS1
DC/DC Converters - Through Hole dc-dc isolated, 1W, 4.5 5.5 Vdc input, 3.3 Vdc, 0.303 A, single regulated output, SIP DRS1-5-S3-S CUI Inc. 1: $7.927 5In Stock 287On Order	Mfr. Part # DRS1-5-S3-S Mouser Part # 490-DRS1-5-S3-S	CUI Inc.	DC/DC Converters - Through Hole dc-dc isolated, 1W, 4.5 5.5 Vdc input, 3.3 Vdc, 0.303 A, single regulated output, SIP Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	5In Stock 287On Order	$7.927 $7.817 $7.708 $7.345 View $7.225 $7.104 $6.939 $6.840	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	2 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DRS1
DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter DQS1-5-S3-S CUI Inc. 1: $7.411 410In Stock	Mfr. Part # DQS1-5-S3-S Mouser Part # 490-DQS1-5-S3-S	CUI Inc.	DC/DC Converters - Through Hole 1W Isolated Single Unregulated Output DC-DC Converter Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	410In Stock	$7.411 $7.301 $7.192 $6.873 View $6.763 $6.643 $6.489 $6.401	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	1 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DQS1
DC/DC Converters - Through Hole dc-dc isolated, 1W, 2.97 3.63 Vdc input, 5 Vdc, 0.2 A, single regulated output, SIP DRS1-3-S5-S CUI Inc. 1: $7.927 282In Stock	Mfr. Part # DRS1-3-S5-S Mouser Part # 490-DRS1-3-S5-S	CUI Inc.	DC/DC Converters - Through Hole dc-dc isolated, 1W, 2.97 3.63 Vdc input, 5 Vdc, 0.2 A, single regulated output, SIP Learn More about CUI Inc. cui dqs1 s drs1 s dc dc converters	Datasheet	282In Stock	$7.927 $7.817 $7.708 $7.345 View $7.225 $7.104 $6.939 $6.840	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	5 V	200 mA	2 kV	11.6 mm (0.457 in)	6 mm (0.236 in)	10.2 mm (0.402 in)	Industrial	+ 95 C	- 40 C	DRS1

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