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CQB75-300S Isolated DC-DC Converters

Cincon CQB75-300S Isolated DC-DC Converters offer efficiency up to 90% and 75W output power at a single-output voltage range of 5V to 48V. The CQB75-300 series features an optional heat sink to extend the full power range of the unit. The DC-DC converters are fully protected against input undervoltage lockout (UVLO), output overcurrent, output overvoltage, overtemperature, and continuous short-circuit conditions. Cincon CQB75-300S DC-DC converters offer a fixed switching frequency and can operate up to an altitude of 3000m. These converters operate within a -40°C to +105°C temperature range and 180V to 450V supply voltage range. Typical applications include distributed power architectures, telecommunications, servers, base stations, battery-operated equipment, and industrial.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
DC/DC Converters - Chassis Mount 50-75W 180-450Vin 24Vout 3.12A Open CQB75-300S24-CMFC Cincon 1: HK$1,423.46 12In Stock	Mfr. Part No. CQB75-300S24-CMFC Mouser Part No 418-CQB75300S24CMFC	Cincon	DC/DC Converters - Chassis Mount 50-75W 180-450Vin 24Vout 3.12A Open Learn More about Cincon cqb75 300sxx cmfc d converters	Datasheet	12In Stock	HK$1,423.46 HK$1,389.34 HK$1,383.02 HK$1,341.75 View Quote	Min.: 1 Mult.: 1
DC/DC Converters - Chassis Mount 75W 180-450Vin 3.3Vout 15A CQB75-300S3V3 Cincon 1: HK$846.66 24In Stock	Mfr. Part No. CQB75-300S3V3 Mouser Part No 418-CQB75-300S3V3	Cincon	DC/DC Converters - Chassis Mount 75W 180-450Vin 3.3Vout 15A Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	24In Stock	HK$846.66 HK$829.73 HK$804.82 HK$772.60 View HK$733.96 HK$690.07 Quote	Min.: 1 Mult.: 1
DC/DC Converters - Chassis Mount 50-75W 180-450Vin 12Vout 6.25A Open CQB75-300S12-CMFC Cincon 1: HK$1,288.24 17In Stock	Mfr. Part No. CQB75-300S12-CMFC Mouser Part No 418-CQB75300S12CMFC	Cincon	DC/DC Converters - Chassis Mount 50-75W 180-450Vin 12Vout 6.25A Open Learn More about Cincon cqb75 300sxx cmfc d converters	Datasheet	17In Stock	HK$1,288.24 HK$1,262.51 HK$1,221.41 View Quote	Min.: 1 Mult.: 1
DC/DC Converters - Chassis Mount 50-75W 180-450Vin 5Vout 15A Open CQB75-300S05-CMFC Cincon 1: HK$1,288.24 17In Stock	Mfr. Part No. CQB75-300S05-CMFC Mouser Part No 418-CQB75300S05CMFC	Cincon	DC/DC Converters - Chassis Mount 50-75W 180-450Vin 5Vout 15A Open Learn More about Cincon cqb75 300sxx cmfc d converters	Datasheet	17In Stock	HK$1,288.24 HK$1,262.51 HK$1,221.41 View Quote	Min.: 1 Mult.: 1
DC/DC Converters - Chassis Mount 50-75W 180-450Vin 15Vout 5A Cov CQB75-300S15-CMFD Cincon 1: HK$1,501.63 1In Stock	Mfr. Part No. CQB75-300S15-CMFD Mouser Part No 418-CQB75300S15CMFD	Cincon	DC/DC Converters - Chassis Mount 50-75W 180-450Vin 15Vout 5A Cov Learn More about Cincon cqb75 300sxx cmfc d converters	Datasheet	1In Stock	HK$1,501.63 HK$1,380.55 HK$1,337.15 HK$1,266.37 View Quote	Min.: 1 Mult.: 1
DC/DC Converters - Chassis Mount 50-75W 180-450Vin 48Vout 1.56A Cov CQB75-300S48-CMFD Cincon 1: HK$1,501.63 5In Stock	Mfr. Part No. CQB75-300S48-CMFD Mouser Part No 418-CQB75300S48CMFD	Cincon	DC/DC Converters - Chassis Mount 50-75W 180-450Vin 48Vout 1.56A Cov Learn More about Cincon cqb75 300sxx cmfc d converters	Datasheet	5In Stock	HK$1,501.63 HK$1,380.55 HK$1,337.15 HK$1,266.37 View Quote	Min.: 1 Mult.: 1
DC/DC Converters - Chassis Mount 50-75W 180-450Vin 5Vout 15A Cov NL CQB75-300S05N-CMFD Cincon 1: HK$1,400.36 8In Stock	Mfr. Part No. CQB75-300S05N-CMFD Mouser Part No 418-CQB75300S05NCMFD	Cincon	DC/DC Converters - Chassis Mount 50-75W 180-450Vin 5Vout 15A Cov NL Learn More about Cincon cqb75 300sxx cmfc d converters	Datasheet	8In Stock	HK$1,400.36 HK$1,325.31 HK$1,282.98 View Quote	Min.: 1 Mult.: 1
DC/DC Converters - Chassis Mount 75W 180-450Vin 5Vout 15A Flange CQB75-300S05-F Cincon 1: HK$879.62 15In Stock	Mfr. Part No. CQB75-300S05-F Mouser Part No 418-CQB75-300S05-F	Cincon	DC/DC Converters - Chassis Mount 75W 180-450Vin 5Vout 15A Flange Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	15In Stock	HK$879.62 HK$862.03 HK$836.14 HK$802.68 View HK$762.65 HK$717.03 Quote	Min.: 1 Mult.: 1
DC/DC Converters - Through Hole 75W 180-450Vin 15Vout 5A CQB75-300S15 Cincon 1: HK$897.79 21In Stock	Mfr. Part No. CQB75-300S15 Mouser Part No 418-CQB75-300S15	Cincon	DC/DC Converters - Through Hole 75W 180-450Vin 15Vout 5A Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	21In Stock	HK$897.79 HK$747.28 HK$725.50 View Quote	Min.: 1 Mult.: 1
DC/DC Converters - Chassis Mount 50-75W 180-450Vin 48Vout 1.56A Open CQB75-300S48-CMFC Cincon 1: HK$1,542.65 18In Stock	Mfr. Part No. CQB75-300S48-CMFC Mouser Part No 418-CQB75300S48CMFC	Cincon	DC/DC Converters - Chassis Mount 50-75W 180-450Vin 48Vout 1.56A Open Learn More about Cincon cqb75 300sxx cmfc d converters	Datasheet	18In Stock	HK$1,542.65 HK$1,505.58 HK$1,464.72 HK$1,305.83 View Quote	Min.: 1 Mult.: 1
DC/DC Converters - Through Hole 75W 180-450Vin 5Vout 15A CQB75-300S05 Cincon 1: HK$872.14 6In Stock	Mfr. Part No. CQB75-300S05 Mouser Part No 418-CQB75-300S05	Cincon	DC/DC Converters - Through Hole 75W 180-450Vin 5Vout 15A Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	6In Stock	HK$872.14 HK$836.88 HK$811.07 HK$768.90 View HK$746.46 Quote	Min.: 1 Mult.: 1
DC/DC Converters - Chassis Mount 50-75W 180-450Vin 12Vout 6.25A Cov CQB75-300S12-CMFD Cincon 1: HK$1,466.86 5In Stock	Mfr. Part No. CQB75-300S12-CMFD Mouser Part No 418-CQB75300S12CMFD	Cincon	DC/DC Converters - Chassis Mount 50-75W 180-450Vin 12Vout 6.25A Cov Learn More about Cincon cqb75 300sxx cmfc d converters	Datasheet	5In Stock	HK$1,466.86 HK$1,441.29 HK$1,337.15 HK$1,266.37 View Quote	Min.: 1 Mult.: 1
DC/DC Converters - Chassis Mount 50-75W 180-450Vin 12Vout 6.25A Cov NL CQB75-300S12N-CMFD Cincon 1: HK$1,466.78 3In Stock	Mfr. Part No. CQB75-300S12N-CMFD Mouser Part No 418-CQB75300S12NCMFD	Cincon	DC/DC Converters - Chassis Mount 50-75W 180-450Vin 12Vout 6.25A Cov NL Learn More about Cincon cqb75 300sxx cmfc d converters	Datasheet	3In Stock	HK$1,466.78 HK$1,441.29 HK$1,337.15 HK$1,266.37 View Quote	Min.: 1 Mult.: 1
DC/DC Converters - Through Hole 75W 180-450Vin 5Vout 15A NL CQB75-300S05N Cincon 1: HK$872.14 7In Stock	Mfr. Part No. CQB75-300S05N Mouser Part No 418-CQB75-300S05N	Cincon	DC/DC Converters - Through Hole 75W 180-450Vin 5Vout 15A NL Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	7In Stock	HK$872.14 HK$851.18 HK$828.08 HK$768.90 View HK$746.46 Quote	Min.: 1 Mult.: 1
DC/DC Converters - Through Hole 75W 180-450Vin 12Vout 6.25A NL CQB75-300S12N Cincon 1: HK$847.89 4In Stock	Mfr. Part No. CQB75-300S12N Mouser Part No 418-CQB75-300S12N	Cincon	DC/DC Converters - Through Hole 75W 180-450Vin 12Vout 6.25A NL Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	4In Stock	HK$847.89 HK$827.59 HK$788.22 HK$747.28 View HK$725.50 Quote	Min.: 1 Mult.: 1
DC/DC Converters - Through Hole 75W 180-450Vin 12Vout 6.25A CQB75-300S12 Cincon 1: HK$845.67 50Expected 23/2/2027	Mfr. Part No. CQB75-300S12 Mouser Part No 418-CQB75-300S12	Cincon	DC/DC Converters - Through Hole 75W 180-450Vin 12Vout 6.25A Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	50Expected 23/2/2027	HK$845.67 HK$811.81 HK$786.65	Min.: 1 Mult.: 1
DC/DC Converters - Through Hole 75W 180-450Vin 5Vout 15A CM CQB75-300S05-C Cincon 50: HK$733.96 Non-Stocked	Mfr. Part No. CQB75-300S05-C Mouser Part No 418-CQB75-300S05-C	Cincon	DC/DC Converters - Through Hole 75W 180-450Vin 5Vout 15A CM Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	Non-Stocked	HK$733.96 HK$696.73 View Quote	Min.: 50 Mult.: 1
DC/DC Converters - Through Hole 75W 180-450Vin 5Vout 15A NL CM CQB75-300S05N-C Cincon 50: HK$733.96 Non-Stocked	Mfr. Part No. CQB75-300S05N-C Mouser Part No 418-CQB75-300S05N-C	Cincon	DC/DC Converters - Through Hole 75W 180-450Vin 5Vout 15A NL CM Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	Non-Stocked	HK$733.96 HK$696.73 View Quote	Min.: 50 Mult.: 1
DC/DC Converters - Chassis Mount 75W 180-450Vin 5Vout 15A NL Fla CQB75-300S05N-F Cincon 1: HK$945.88 Non-Stocked	Mfr. Part No. CQB75-300S05N-F Mouser Part No 418-CQB75-300S05N-F	Cincon	DC/DC Converters - Chassis Mount 75W 180-450Vin 5Vout 15A NL Fla Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	Non-Stocked	HK$945.88 HK$922.61 HK$870.00 HK$841.89 View HK$818.88 Quote	Min.: 1 Mult.: 1
DC/DC Converters - Through Hole 75W 180-450Vin 12Vout 6.25A CM CQB75-300S12-C Cincon 50: HK$712.59 Non-Stocked	Mfr. Part No. CQB75-300S12-C Mouser Part No 418-CQB75-300S12-C	Cincon	DC/DC Converters - Through Hole 75W 180-450Vin 12Vout 6.25A CM Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	Non-Stocked	HK$712.59 HK$677.08 View Quote	Min.: 50 Mult.: 1
DC/DC Converters - Chassis Mount 75W 180-450Vin 12Vout 6.25A Flange CQB75-300S12-F Cincon 1: HK$890.55 Non-Stocked	Mfr. Part No. CQB75-300S12-F Mouser Part No 418-CQB75-300S12-F	Cincon	DC/DC Converters - Chassis Mount 75W 180-450Vin 12Vout 6.25A Flange Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	Non-Stocked	HK$890.55 HK$854.22 HK$829.23 HK$789.12 View HK$766.02 Quote	Min.: 1 Mult.: 1
DC/DC Converters - Through Hole 75W 180-450Vin 12Vout 6.25A NL CM CQB75-300S12N-C Cincon 50: HK$712.59 Non-Stocked	Mfr. Part No. CQB75-300S12N-C Mouser Part No 418-CQB75-300S12N-C	Cincon	DC/DC Converters - Through Hole 75W 180-450Vin 12Vout 6.25A NL CM Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	Non-Stocked	HK$712.59 HK$677.08 View Quote	Min.: 50 Mult.: 1
DC/DC Converters - Chassis Mount 75W 180-450Vin 12Vout 6.25A NL Fla CQB75-300S12N-F Cincon 1: HK$890.55 Non-Stocked	Mfr. Part No. CQB75-300S12N-F Mouser Part No 418-CQB75-300S12N-F	Cincon	DC/DC Converters - Chassis Mount 75W 180-450Vin 12Vout 6.25A NL Fla Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	Non-Stocked	HK$890.55 HK$862.36 HK$841.07 HK$789.12 View HK$766.02 Quote	Min.: 1 Mult.: 1
DC/DC Converters - Through Hole 75W 180-450Vin 15Vout 5A CM CQB75-300S15-C Cincon 50: HK$712.59 Non-Stocked	Mfr. Part No. CQB75-300S15-C Mouser Part No 418-CQB75-300S15-C	Cincon	DC/DC Converters - Through Hole 75W 180-450Vin 15Vout 5A CM Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	Non-Stocked	HK$712.59 HK$677.08 View Quote	Min.: 50 Mult.: 1
DC/DC Converters - Chassis Mount 75W 180-450Vin 15Vout 5A Flange CQB75-300S15-F Cincon 1: HK$893.19 Non-Stocked	Mfr. Part No. CQB75-300S15-F Mouser Part No 418-CQB75-300S15-F	Cincon	DC/DC Converters - Chassis Mount 75W 180-450Vin 15Vout 5A Flange Learn More about Cincon cqb75 isolated dc dc converters	Datasheet	Non-Stocked	HK$893.19 HK$875.18 HK$854.80 HK$817.40 View HK$794.22 Quote	Min.: 1 Mult.: 1

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CQB75-300S Isolated DC-DC Converters

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