Recom Through Hole Switching Regulator, 3.3V dc Output Voltage, 7 → 42V dc Input Voltage, 1A Output Current
- RS Stock No.:
- 7398297
- Mfr. Prt No.:
- R-78C3.3-1.0
- Brand:
- Recom
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 | 7398297 |
| Product description | Recom Through Hole Switching Regulator, 3.3V dc Output Voltage, 7 → 42V dc Input Voltage, 1A Output Current |
| Manufacturer / Brand | Recom |
| Manufacturer part number | R-78C3.3-1.0 |
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 | 7398297 |
| Product description | Recom Through Hole Switching Regulator, 3.3V dc Output Voltage, 7 → 42V dc Input Voltage, 1A Output Current |
| Manufacturer / Brand | Recom |
| Manufacturer part number | R-78C3.3-1.0 |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Dec 26, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: TW
Product Details
R-78Cxx 1.0L Series Single Output DC/DC Converter
The Recom R-78Cxx series are highly efficient, non-isolated switching regulators are ideally suited to replace the 1 Amp 78xx linear regulators, as well as being pin compatible.
The convertor has a high-voltage input range and there is no need for heat sinks, due to little energy being wasted. It has a wide input range with short circuit protection and thermal shutdown.
Note
MTBF to MIL-HDBK 217F
Power derates above 68°C
Features and Benefits
• Low profile
• Pin compatible with LM78xx linear regulators
• High efficiency, non-isolated, no need for heatsinks
• Fully protected for short circuit
• Positive to negative convertor
• Low ripple and noise
Specifications
| Attribute | Value |
| Brand | Recom |
| Input Voltage | 7 → 42 V dc |
| Output Voltage | 3.3 V dc |
| Number of Outputs | 1 |
| Output Current | 1 A |
| Power Rating | 3.3 W |
| Mounting Type | Through Hole |
| Package | SIP 3 |
| Minimum Temperature | -40 °C |
| Maximum Temperature | +85 °C |
| Efficiency | 79 % |
| MTBF | 3880000 h |
| Load Regulation | ±0.4 % |
| Line Regulation | ±0.2 % |
| Ripple And Noise | 100 mV Pk-Pk |
| Length | 11.6 mm |
| Width | 8.5 mm |
| Depth | 10.4 mm |
| Weight | 2 g |
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