Recom Through Hole Switching Regulator, 3.3V dc Output Voltage, 7 → 28V dc Input Voltage, 1A Output Current
- RS Stock No.:
- 9176626
- Mfr. Prt No.:
- R-78E3.3-1.0
- 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 | 9176626 |
| Product description | Recom Through Hole Switching Regulator, 3.3V dc Output Voltage, 7 → 28V dc Input Voltage, 1A Output Current |
| Manufacturer / Brand | Recom |
| Manufacturer part number | R-78E3.3-1.0 |
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 | 9176626 |
| Product description | Recom Through Hole Switching Regulator, 3.3V dc Output Voltage, 7 → 28V dc Input Voltage, 1A Output Current |
| Manufacturer / Brand | Recom |
| Manufacturer part number | R-78E3.3-1.0 |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Nov 22, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: TW
Product Details
R78E Series Switching Regulator
The Recom R-78E series are highly efficient, non-isolated switching regulators. They offer a high-quality product at a low cost in production quantity. Coupled with the compact design, this module is ideal across a number of industrial applications.
With a high start-up current capability and a high efficiency of up to 95%, there is no need for heat sink and with the compact SIP3 package important space on the board is also saved.
Note
Power derates above 70°C
Features and Benefits
• R-78E Series
• Low cost switching regulator
• High start-up current capabilities
• Short circuit protection
• High efficiency of up to 95%
• High efficiency, non-isolated, no need for heatsinks
• Pin compatible with 78 series regulators
• SIP3 package
Specifications
| Attribute | Value |
| Brand | Recom |
| Input Voltage | 7 → 28 V dc |
| Output Voltage | 3.3 V dc |
| Number of Outputs | 1 |
| Output Current | 1 A |
| Mounting Type | Through Hole |
| Package | SIP |
| Minimum Temperature | -40 °C |
| Maximum Temperature | +85 °C |
| Efficiency | 87 % |
| MTBF | 3875000 h |
| Load Regulation | ±1.5 % |
| Line Regulation | ±1 % |
| Ripple And Noise | 120 mV Pk-Pk |
| Standards Met | EN 60950-1, IEC 60950-1, LVD 1407030-1, REACH Compliant, UL 94 V-0 |
| Series | R-78E-1.0 |
| Length | 11.6 mm |
| Width | 8.5 mm |
| Depth | 10.4 mm |
| Application | Industrial |
| Protection Features | Over Current Protection, Short Circuit Protection |
| Weight | 2 g |
| Switching Frequency Range | 330 kHz |
| Power Signal Conversion Type | DC-DC |
| Output Voltage Adjustment Range | -5 → +5 % |
| Maximum Input Current | 1 A |
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