DC/DC Converters – Mouser Japan

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1W to 2W Isolated DC-DC Converters

CUI Inc 1W to 2W Isolated DC-DC Converters are unregulated and cost-effective isolated modules that offer efficiency of up to 89%. These converters are housed in compact 4-, 6-, 7-, 8-, or 10- pin packages and operate at -40°C to +105°C temperature range. CUI Inc 1W to 2W Isolated DC-DC Converters are ideal for the conversion and isolation of DC rails for industrial, telecom, security, and machine control applications.

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Types of DC/DC Converters

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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.	Isolation	Mounting Style	Number of Outputs	Output Power	Output Voltage-Channel 1	Output Current-Channel 1	Industry
DC/DC Converters - SMD 1W 5Vin +/-15V SMT +/-33mA Iso UnReg TR PCN1-S5-D15-M-TR CUI Inc. 1: ¥1,056.4 918In Stock	Mfr. Part # PCN1-S5-D15-M-TR Mouser Part # 490-PCN1-S5-D15-M-TR	CUI Inc.	DC/DC Converters - SMD 1W 5Vin +/-15V SMT +/-33mA Iso UnReg TR Learn More about CUI Inc. cui pcn1 m converters	Datasheet	918In Stock	Cut Tape ¥1,056.4 ¥1,041.4 ¥1,026.5 ¥980 View Reel ¥911.9 ¥963.4 ¥948.4 ¥925.2 ¥911.9 MouseReel Available	Min.: 1 Mult.: 1 : 430	Isolated	SMD/SMT	2 Output	1 W	15 V	33 mA	Industrial
DC/DC Converters - SMD 1W 5Vin +/-12V SMT +/-42mA Iso UnReg TR PCN1-S5-D12-M-TR CUI Inc. 1: ¥1,058.1 841In Stock	Mfr. Part # PCN1-S5-D12-M-TR Mouser Part # 490-PCN1-S5-D12-M-TR	CUI Inc.	DC/DC Converters - SMD 1W 5Vin +/-12V SMT +/-42mA Iso UnReg TR Learn More about CUI Inc. cui pcn1 m converters	Datasheet	841In Stock	Cut Tape ¥1,058.1 ¥1,043.1 ¥1,028.2 ¥981.7 Reel ¥911.9 View ¥965 ¥950.1 ¥926.8 ¥873.7 MouseReel Available	Min.: 1 Mult.: 1 : 430	Isolated	SMD/SMT	2 Output	1 W	12 V	42 mA	Industrial
DC/DC Converters - SMD 1W 5Vin +/-5Vout SMT +/-100mA Iso UnRg T PCN1-S5-D5-M-TR CUI Inc. 1: ¥1,058.1 420In Stock 1,290Expected 11/2/2026	Mfr. Part # PCN1-S5-D5-M-TR Mouser Part # 490-PCN1-S5-D5-M-TR	CUI Inc.	DC/DC Converters - SMD 1W 5Vin +/-5Vout SMT +/-100mA Iso UnRg T Learn More about CUI Inc. cui pcn1 m converters	Datasheet	420In Stock 1,290Expected 11/2/2026	Cut Tape ¥1,058.1 ¥1,043.1 ¥1,028.2 ¥981.7 Reel ¥885.3 View ¥965 ¥950.1 ¥926.8 ¥873.7 MouseReel Available	Min.: 1 Mult.: 1 : 430	Isolated	SMD/SMT	2 Output	1 W	5 V	100 mA	Industrial
DC/DC Converters - Through Hole 4.5-5.5Vin 12Vout 84mA 1W Iso SIP PCSA1-S5-S12-S CUI Inc. 1: ¥923.5 343In Stock	Mfr. Part # PCSA1-S5-S12-S Mouser Part # 490-PCSA1-S5-S12-S	CUI Inc.	DC/DC Converters - Through Hole 4.5-5.5Vin 12Vout 84mA 1W Iso SIP Learn More about CUI Inc. cui pcsa1 s converters	Datasheet	343In Stock	¥923.5 ¥906.9 ¥893.6 ¥857.1 View ¥840.5 ¥827.2 ¥805.6 ¥777.3 ¥767.4	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	1 W	12 V	84 mA	Industrial
DC/DC Converters - SMD 1W 12Vin 12Vout SMT 84mA Iso UnReg TR PCN1-S12-S12-M-TR CUI Inc. 1: ¥1,058.1 2In Stock 4,300Expected 11/2/2026	Mfr. Part # PCN1-S12-S12-M-TR Mouser Part # 490-PCN1-S12-S12-MTR	CUI Inc.	DC/DC Converters - SMD 1W 12Vin 12Vout SMT 84mA Iso UnReg TR Learn More about CUI Inc. cui pcn1 m converters	Datasheet	2In Stock 4,300Expected 11/2/2026	Cut Tape ¥1,058.1 ¥1,043.1 ¥1,028.2 ¥981.7 Reel ¥885.3 View ¥965 ¥950.1 ¥896.9 ¥873.7 MouseReel Available	Min.: 1 Mult.: 1 : 430	Isolated	SMD/SMT	1 Output	1 W	12 V	84 mA	Industrial
DC/DC Converters - SMD 1W 5Vin 12Vout SMT 84mA Iso UnReg TR PCN1-S5-S12-M-TR CUI Inc. 1: ¥1,058.1 245In Stock	Mfr. Part # PCN1-S5-S12-M-TR Mouser Part # 490-PCN1-S5-S12-M-TR	CUI Inc.	DC/DC Converters - SMD 1W 5Vin 12Vout SMT 84mA Iso UnReg TR Learn More about CUI Inc. cui pcn1 m converters	Datasheet	245In Stock	Cut Tape ¥1,058.1 ¥1,043.1 ¥1,028.2 ¥981.7 View Reel ¥911.9 ¥965 ¥950.1 ¥926.8 ¥911.9 MouseReel Available	Min.: 1 Mult.: 1 : 430	Isolated	SMD/SMT	1 Output	1 W	12 V	84 mA	Industrial
DC/DC Converters - Through Hole 10.8-13.2Vin 5Vout 400mA 2W Iso SIP PCN2-S12-S5-S CUI Inc. 1: ¥1,406.9 127In Stock	Mfr. Part # PCN2-S12-S5-S Mouser Part # 490-PCN2-S12-S5-S	CUI Inc.	DC/DC Converters - Through Hole 10.8-13.2Vin 5Vout 400mA 2W Iso SIP Learn More about CUI Inc. cui pcn2 s converters	Datasheet	127In Stock	¥1,406.9 ¥1,386.9 ¥1,367 ¥1,297.2 View ¥1,275.6 ¥1,255.7 ¥1,189.3 ¥1,177.6 ¥1,162.7	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	2 W	5 V	400 mA	Industrial
DC/DC Converters - Through Hole 4.5-5.5Vin +/-12Vout +/-83mA 2W Iso SIP PCN2-S5-D12-S CUI Inc. 1: ¥1,406.9 27In Stock	Mfr. Part # PCN2-S5-D12-S Mouser Part # 490-PCN2-S5-D12-S	CUI Inc.	DC/DC Converters - Through Hole 4.5-5.5Vin +/-12Vout +/-83mA 2W Iso SIP Learn More about CUI Inc. cui pcn2 s converters	Datasheet	27In Stock	¥1,406.9 ¥1,386.9 ¥1,367 ¥1,297.2 View ¥1,209.2 ¥1,195.9 ¥1,176 ¥1,164.4 ¥1,149.4	Min.: 1 Mult.: 1	Isolated	Through Hole	2 Output	2 W	12 V	83 mA	Industrial
DC/DC Converters - Through Hole 4.5-5.5Vin 12Vout 167mA 2W Iso SIP PCN2-S5-S12-S CUI Inc. 1: ¥1,340.4 73In Stock	Mfr. Part # PCN2-S5-S12-S Mouser Part # 490-PCN2-S5-S12-S	CUI Inc.	DC/DC Converters - Through Hole 4.5-5.5Vin 12Vout 167mA 2W Iso SIP Learn More about CUI Inc. cui pcn2 s converters	Datasheet	73In Stock	¥1,340.4 ¥1,320.5 ¥1,300.6 ¥1,235.8 View ¥1,215.9 ¥1,156.1 ¥1,136.1 ¥1,126.2 ¥1,111.2	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	2 W	12 V	167 mA	Industrial
DC/DC Converters - Through Hole 21.6-26.4Vin 15Vout 67mA 1W Iso SIP PCSA1-S24-S15-S CUI Inc. 1: ¥970 65In Stock	Mfr. Part # PCSA1-S24-S15-S Mouser Part # 490-PCSA1-S24-S15-S	CUI Inc.	DC/DC Converters - Through Hole 21.6-26.4Vin 15Vout 67mA 1W Iso SIP Learn More about CUI Inc. cui pcsa1 s converters	Datasheet	65In Stock	¥970 ¥953.4 ¥938.5 ¥900.3 View ¥883.7 ¥835.5 ¥820.5 ¥813.9 ¥802.3	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	1 W	15 V	67 mA	Industrial
DC/DC Converters - Through Hole 21.6-26.4Vin +/-15V +/-67mA 2W Iso SIP PCN2-S24-D15-S CUI Inc. 1: ¥1,406.9 15In Stock 15Expected 11/5/2026	Mfr. Part # PCN2-S24-D15-S Mouser Part # 490-PCN2-S24-D15-S	CUI Inc.	DC/DC Converters - Through Hole 21.6-26.4Vin +/-15V +/-67mA 2W Iso SIP Learn More about CUI Inc. cui pcn2 s converters	Datasheet	15In Stock 15Expected 11/5/2026	¥1,406.9 ¥1,386.9 ¥1,367 ¥1,224.2 View ¥1,209.2 ¥1,195.9 ¥1,176 ¥1,164.4 ¥1,149.4	Min.: 1 Mult.: 1	Isolated	Through Hole	2 Output	2 W	15 V	67 mA	Industrial
DC/DC Converters - Through Hole 21.6-26.4Vin 15Vout 134mA 2W Iso SIP PCN2-S24-S15-S CUI Inc. 1: ¥1,406.9 30In Stock	Mfr. Part # PCN2-S24-S15-S Mouser Part # 490-PCN2-S24-S15-S	CUI Inc.	DC/DC Converters - Through Hole 21.6-26.4Vin 15Vout 134mA 2W Iso SIP Learn More about CUI Inc. cui pcn2 s converters	Datasheet	30In Stock	¥1,406.9 ¥1,386.9 ¥1,367 ¥1,297.2 View ¥1,209.2 ¥1,195.9 ¥1,176 ¥1,164.4 ¥1,149.4	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	2 W	15 V	134 mA	Industrial
DC/DC Converters - Through Hole 4.5-5.5Vin 15Vout 134mA 2W Iso SIP PCN2-S5-S15-S CUI Inc. 1: ¥1,405.2 33In Stock	Mfr. Part # PCN2-S5-S15-S Mouser Part # 490-PCN2-S5-S15-S	CUI Inc.	DC/DC Converters - Through Hole 4.5-5.5Vin 15Vout 134mA 2W Iso SIP Learn More about CUI Inc. cui pcn2 s converters	Datasheet	33In Stock	¥1,405.2 ¥1,385.3 ¥1,365.3 ¥1,297.2 View ¥1,275.6 ¥1,255.7 ¥1,225.8 ¥1,209.2	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	2 W	15 V	134 mA	Industrial
DC/DC Converters - Through Hole 10.8-13.2Vin 15Vout 134mA 2W Iso SIP PCN2-S12-S15-S CUI Inc. 1: ¥1,406.9 60In Stock	Mfr. Part # PCN2-S12-S15-S Mouser Part # 490-PCN2-S12-S15-S	CUI Inc.	DC/DC Converters - Through Hole 10.8-13.2Vin 15Vout 134mA 2W Iso SIP Learn More about CUI Inc. cui pcn2 s converters	Datasheet	60In Stock	¥1,406.9 ¥1,386.9 ¥1,367 ¥1,297.2 View ¥1,275.6 ¥1,195.9 ¥1,176 ¥1,164.4 ¥1,149.4	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	2 W	15 V	134 mA	Industrial
DC/DC Converters - Through Hole 10.8-13.2Vin 15Vout 67mA 1W Iso SIP PCSA1-S12-S15-S CUI Inc. 1: ¥970 49In Stock	Mfr. Part # PCSA1-S12-S15-S Mouser Part # 490-PCSA1-S12-S15-S	CUI Inc.	DC/DC Converters - Through Hole 10.8-13.2Vin 15Vout 67mA 1W Iso SIP Learn More about CUI Inc. cui pcsa1 s converters	Datasheet	49In Stock	¥970 ¥953.4 ¥938.5 ¥900.3 View ¥837.1 ¥825.5 ¥810.6 ¥803.9 ¥794	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	1 W	15 V	67 mA	Industrial
DC/DC Converters - SMD 1W 12Vin +/-12V SMT +/-42mA Iso UnReg TR PCN1-S12-D12-M-TR CUI Inc. 1: ¥1,058.1 1In Stock 860Expected 11/5/2026	Mfr. Part # PCN1-S12-D12-M-TR Mouser Part # 490-PCN1-S12-D12-MTR	CUI Inc.	DC/DC Converters - SMD 1W 12Vin +/-12V SMT +/-42mA Iso UnReg TR Learn More about CUI Inc. cui pcn1 m converters	Datasheet	1In Stock 860Expected 11/5/2026	Cut Tape ¥1,058.1 ¥1,043.1 ¥1,028.2 ¥981.7 Reel ¥885.3 View ¥965 ¥950.1 ¥896.9 ¥873.7 MouseReel Available	Min.: 1 Mult.: 1 : 430	Isolated	SMD/SMT	2 Output	1 W	12 V	42 mA	Industrial
DC/DC Converters - Through Hole 10.8-13.2Vin 12Vout 167mA 2W Iso SIP PCN2-S12-S12-S CUI Inc. 1: ¥1,406.9 159In Stock	Mfr. Part # PCN2-S12-S12-S Mouser Part # 490-PCN2-S12-S12-S	CUI Inc.	DC/DC Converters - Through Hole 10.8-13.2Vin 12Vout 167mA 2W Iso SIP Learn More about CUI Inc. cui pcn2 s converters	Datasheet	159In Stock	¥1,406.9 ¥1,386.9 ¥1,227.5 ¥1,186 View ¥1,169.3 ¥1,166 ¥1,162.7 ¥1,149.4	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	2 W	12 V	167 mA	Industrial
DC/DC Converters - SMD The factory is currently not accepting orders for this product. PES1-S5-D12-M-TR CUI Inc. 1: ¥1,014.9 314In Stock Verify Status with Factory	Mfr. Part # PES1-S5-D12-M-TR Mouser Part # 490-PES1-S5-D12-M-TR Verify Status with Factory	CUI Inc.	DC/DC Converters - SMD The factory is currently not accepting orders for this product. Learn More about CUI Inc. cui pes1 m converters	Datasheet	314In Stock	Cut Tape ¥1,014.9 ¥996.6 ¥981.7 ¥941.8 Reel ¥877 MouseReel Available	Min.: 1 Mult.: 1 : 500	Isolated	SMD/SMT	2 Output	1 W	12 V	42 mA	Medical, Industrial
DC/DC Converters - Through Hole 10.8-13.2Vin 12Vout 84mA 1W Iso SIP PCSA1-S12-S12-S CUI Inc. 1: ¥970 1,111In Stock 784Expected 11/9/2026	Mfr. Part # PCSA1-S12-S12-S Mouser Part # 490-PCSA1-S12-S12-S	CUI Inc.	DC/DC Converters - Through Hole 10.8-13.2Vin 12Vout 84mA 1W Iso SIP Learn More about CUI Inc. cui pcsa1 s converters	Datasheet	1,111In Stock 784Expected 11/9/2026	¥970 ¥953.4 ¥938.5 ¥900.3 View ¥883.7 ¥868.7 ¥847.1 ¥837.1	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	1 W	12 V	84 mA	Industrial
DC/DC Converters - Through Hole 4.5-5.5Vin 5Vout 200mA 1W Iso SIP PCSA1-S5-S5-S CUI Inc. 1: ¥970 477In Stock	Mfr. Part # PCSA1-S5-S5-S Mouser Part # 490-PCSA1-S5-S5-S	CUI Inc.	DC/DC Converters - Through Hole 4.5-5.5Vin 5Vout 200mA 1W Iso SIP Learn More about CUI Inc. cui pcsa1 s converters	Datasheet	477In Stock	¥970 ¥953.4 ¥938.5 ¥885.3 View ¥868.7 ¥853.8 ¥833.8 ¥825.5 ¥794	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	1 W	5 V	200 mA	Industrial
DC/DC Converters - Through Hole 10.8-13.2Vin +/-12V +/-83mA 2W Iso SIP PCN2-S12-D12-S CUI Inc. 1: ¥1,340.4 26In Stock	Mfr. Part # PCN2-S12-D12-S Mouser Part # 490-PCN2-S12-D12-S	CUI Inc.	DC/DC Converters - Through Hole 10.8-13.2Vin +/-12V +/-83mA 2W Iso SIP Learn More about CUI Inc. cui pcn2 s converters	Datasheet	26In Stock	¥1,340.4 ¥1,320.5 ¥1,300.6 ¥1,235.8 View ¥1,169.3 ¥1,156.1 ¥1,136.1 ¥1,126.2 ¥1,111.2	Min.: 1 Mult.: 1	Isolated	Through Hole	2 Output	2 W	12 V	83 mA	Industrial
DC/DC Converters - Through Hole 10.8-13.2Vin 5Vout 200mA 1W Iso SIP PCSA1-S12-S5-S CUI Inc. 1: ¥970 16In Stock 56Expected 3/1/2027	Mfr. Part # PCSA1-S12-S5-S Mouser Part # 490-PCSA1-S12-S5-S	CUI Inc.	DC/DC Converters - Through Hole 10.8-13.2Vin 5Vout 200mA 1W Iso SIP Learn More about CUI Inc. cui pcsa1 s converters	Datasheet	16In Stock 56Expected 3/1/2027	¥970 ¥953.4 ¥938.5 ¥848.8 View ¥837.1 ¥825.5 ¥810.6 ¥803.9 ¥794	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	1 W	5 V	200 mA	Industrial
DC/DC Converters - Through Hole 21.6-26.4Vin 12Vout 84mA 1W Iso SIP PCSA1-S24-S12-S CUI Inc. 1: ¥970 183In Stock 104Expected 1/22/2027	Mfr. Part # PCSA1-S24-S12-S Mouser Part # 490-PCSA1-S24-S12-S	CUI Inc.	DC/DC Converters - Through Hole 21.6-26.4Vin 12Vout 84mA 1W Iso SIP Learn More about CUI Inc. cui pcsa1 s converters	Datasheet	183In Stock 104Expected 1/22/2027	¥970 ¥933.5 ¥920.2 ¥883.7 View ¥868.7 ¥853.8 ¥833.8 ¥825.5 ¥823.9	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	1 W	12 V	84 mA	Industrial
DC/DC Converters - Through Hole 21.6-26.4Vin 5Vout 200mA 1W Iso SIP PCSA1-S24-S5-S CUI Inc. 1: ¥970 45In Stock 494On Order	Mfr. Part # PCSA1-S24-S5-S Mouser Part # 490-PCSA1-S24-S5-S	CUI Inc.	DC/DC Converters - Through Hole 21.6-26.4Vin 5Vout 200mA 1W Iso SIP Learn More about CUI Inc. cui pcsa1 s converters	Datasheet	45In Stock 494On Order On Order Ship Dates Mfr. #: PCSA1-S24-S5-S Stock: 45 Can Ship Immediately On Order: 78 Expected 11/9/2026 416 Expected 2/25/2027 Factory Lead-Time: 20 Weeks	¥970 ¥953.4 ¥938.5 ¥900.3 View ¥883.7 ¥868.7 ¥810.6 ¥803.9 ¥794	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	1 W	5 V	200 mA	Industrial
DC/DC Converters - Through Hole The factory is currently not accepting orders for this product. PDS1-S24-S24-D CUI Inc. 1: ¥858.7 17In Stock Verify Status with Factory	Mfr. Part # PDS1-S24-S24-D Mouser Part # 490-PDS1-S24-S24-D Verify Status with Factory	CUI Inc.	DC/DC Converters - Through Hole The factory is currently not accepting orders for this product. Learn More about CUI Inc. cui pds1 dcdc converters	Datasheet	17In Stock	¥858.7	Min.: 1 Mult.: 1	Isolated	Through Hole	1 Output	1 W	24 V	42 mA	Industrial

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