Cosel CHS 300W Isolated DC-DC Converter PCB Mount, Voltage in 36 → 76 V dc, Voltage out 12V dc
- RS Stock No.:
- 1325405
- Mfr. Prt No.:
- CHS3004812-B
- Brand:
- Cosel
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 1325405 |
| Product description | Cosel CHS 300W Isolated DC-DC Converter PCB Mount, Voltage in 36 → 76 V dc, Voltage out 12V dc |
| Manufacturer / Brand | Cosel |
| Manufacturer part number | CHS3004812-B |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 1325405 |
| Product description | Cosel CHS 300W Isolated DC-DC Converter PCB Mount, Voltage in 36 → 76 V dc, Voltage out 12V dc |
| Manufacturer / Brand | Cosel |
| Manufacturer part number | CHS3004812-B |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Dec 25, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: JP
Product Details
Cosel Isolated DC-DC Converters
CHS Series
The CHS Series of DC-DC converters offer a wide range of power ratings and output voltages making them extremely versatile and suitable for many applications. Additional features include remote sensing, remote on/off, overcurrent and overvoltage protection.
5 Year Warranty
Features and Benefits
• Standard-size compact DC-DC Converter, "BRICK SIZE" for the Telecommunications Market
• High efficiency
• High density
• High reliability: no built-in aluminium and tantalum electrolytic capacitor
• Built-in remote On/Off
Specifications
| Attribute | Value |
| Brand | Cosel |
| Output Voltage | 12 V dc |
| Output Voltage Adjustment Range | ±10 % |
| Input Voltage Range | 36 → 76 V dc |
| Input Voltage Nominal | 48 V dc |
| Isolation Voltage | 1 kV ac, 500 V dc |
| Power Rating | 300 W |
| Output Current | 25 A |
| Mounting Type | PCB Mount |
| Number of Outputs | 1 |
| Efficiency | 94.5 % |
| Package | DIP |
| Minimum Temperature | -40 °C |
| Load Regulation | 24 mV |
| Maximum Temperature | +85 °C |
| Width | 23.26 mm |
| Depth | 12.7 mm |
| Standards Met | CE, cUL (CSA 60950-1), cULus Recognised, EN 60950-1, UL 60950-1 |
| Series | CHS |
| Length | 58.9 mm |
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