R-78AA5.0-1.0SMD-R RECOM Power Power Supply (Other) In Stock
RECOM Power R-78AA5.0-1.0SMD-R is a DC-DC regulated switching power supply module delivering 5 V at 1 A from a 6.5 V to 18 V input, with 1% load regulation and SMD mounting for efficient embedded power conversion.
- Manufacturer
- RECOM Power
- Package
- Other
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- R-78AA5.0-1.0SMD-R Datasheet PDF
- Category
- Power Supply
- Temp Range
- -40.0°C to 60.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 5 V regulated output at 1 A from 6.5 V to 18 V input enabling broad source compatibility
- 1% maximum load regulation maintaining stable 5 V rail under varying current demands
- SMD assembly compatible package with 10-pad footprint for automated PCB reflow soldering
- Nominal 12 V input optimized for industrial 12 V bus applications without external inductors
Applications
The R-78AA5.0-1.0SMD-R is used to generate a regulated 5 V, 1 A output from 12 V industrial bus supplies, 9 V batteries, or unregulated DC rails in embedded systems, PLCs, and IoT gateway boards. Its 6.5 V to 18 V input range covers common power architectures including automotive accessory rails and telecom -12 V derived supplies, making it versatile for multi-source power trees. The SMD form factor supports high-volume automated assembly in compact industrial controller and smart metering PCBs.
Specifications
| Reach Compliance Code | Compliant |
| YTEOL | 6 |
| Additional Feature | POWER CONSIDER FROM MANUFACTURE WEBSITE LINK AVAILBLE IN ADDITIONAL FEATURE |
| Analog IC - Other Type | DC-DC REGULATED POWER SUPPLY MODULE |
| Input Voltage-Max | 18V |
| Input Voltage-Min | 6.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDMA-G10 |
| JESD-609 Code | e1 |
| Load Regulation-Max | 1% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 1A |
| Output Voltage-Max | 5.5V |
| Output Voltage-Min | 3V |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | GWDIP10,.44 |
| Package Shape | RECTANGULAR |
| Package Style | MICROELECTRONIC ASSEMBLY |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Technology | HYBRID |
| Temperature Grade | OTHER |
| Terminal Finish | Tin/Silver/Copper (Sn/Ag/Cu) |
| Terminal Form | GULL WING |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Total Power Output-Max | 5W |
| Trim/Adjustable Output | YES |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| Country of Origin | Mainland China, Taiwan |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the R-78AA5.0-1.0SMD-R perform when powered from a 12 V industrial bus at full 1 A output load?
At its 12 V nominal input, the R-78AA5.0-1.0SMD-R delivers a stable 5 V output at up to 1 A with load regulation within 1%, ensuring the output stays between 4.95 V and 5.05 V from no-load to full load. The switching architecture achieves significantly higher efficiency than linear regulators, reducing power dissipation from approximately 7 W for a linear solution to well under 2 W, enabling fanless operation in sealed industrial enclosures.
What input voltage range does the R-78AA5.0-1.0SMD-R support, and which system architectures benefit from this flexibility?
The R-78AA5.0-1.0SMD-R operates from 6.5 V to 18 V input, covering 9 V alkaline battery packs, standard 12 V automotive and industrial rails, and wide-input power supplies up to 18 V. This range makes it suitable for multi-source embedded designs in smart meters, field sensors, and CNC control boards where the input voltage may vary with battery charge state or supply tolerance while the 5 V logic rail must remain stable at 1 A.
How does the SMD package of the R-78AA5.0-1.0SMD-R compare to SIP through-hole power modules in high-volume manufacturing?
The SMD 10-pad package of the R-78AA5.0-1.0SMD-R is compatible with standard reflow soldering processes, eliminating the hand-soldering step required for through-hole SIP modules and reducing assembly cost in high-volume production. The SMD footprint also allows tighter component placement on double-sided PCBs and reduces board height, which is important in low-profile enclosures for consumer IoT devices, energy meters, and compact industrial controllers.
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