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Recom Switching Regulator, Through Hole, 3.3V DC Output Voltage, 1.5A Output Current, 4.95W Power, SIP Package R-78B3.3-1.5
Specifications
| Country of Origin | Taiwan |
|---|---|
| Brand | Recom |
| Power | 4.95W |
| Efficiency | 91% |
| Length | 11.5mm |
| Model | R-78B3.3-1.5 |
| Depth | 17.5mm |
| Gross Weight | 4g |
| Width | 17.5mm |
| Mount Type | Through Hole |
| Series | R-78B |
| Output Current | 1.5A |
| Maximum Operating Temperature | 85°C |
| Package Type | SIP |
| Load Regulation | 0.4 % |
| Minimum Operating Temperature | -40°C |
| MTBF | 3250000h |
| Number of outputs | 1 |
| Ripple and Noise | 15mV Pk-Pk |
| Maximum Input Voltage | 18V dc |
| Line Regulation | 0.2 % |
| Standards/Approvals | REACH |
| Minimum Input Voltage | 4.75V |
| Output Voltage 1 | 3.3V dc |
Key Features
- Rated power output of 4.95W for efficient power delivery.
- High efficiency of 91% minimizes energy loss and heat production.
- Wide input voltage range from 4.75V to 18V DC ensures compatibility with various power sources.
- Built-in short-circuit protection allows automatic reset for system safety.
- Operates reliably within extended temperature range from -40°C to 85°C for harsh environments.
- Ripple and noise level is low at 15mV peak-to-peak for stable output.
- Compact dimensions 11.5mm length by 17.5mm width and height suit busy circuit boards.
- Quiescent current of only 9mA reduces idle power consumption.
Product Description
Recom R-78B3.3-1.5 Switching Regulator is designed for electronic applications requiring a stable 3.3V DC output with up to 1.5A current in a through-hole SIP package.
This regulator delivers a rated power of 4.95W with high efficiency of 91%, effectively converting supply voltage from 4.75V to 18V DC while producing minimal heat, eliminating the need for a heatsink.
Featuring built-in short-circuit protection, the regulator automatically resets after faults, enhancing system resilience. Its low ripple and noise output of 15mV peak-to-peak ensures clean power supply critical for sensitive electronics.
The device operates over a wide ambient temperature range of -40°C to 85°C, making it suitable for demanding environments including home media devices, recording studios, building inspections, and energy industry applications.
Compact size with dimensions 11.5mm (L) x 17.5mm (W) x 8.5mm (D) allows easy integration into crowded circuit boards. The low quiescent current of 9mA supports energy efficiency in standby conditions.
Rated power output of 4.95W for efficient performance. High energy conversion efficiency of 91% reduces heat dissipation. Input voltage range from 4.75V to 18V DC for broad compatibility. Automatic short-circuit reset ensures system safety.
Wide operating temperature for harsh ambient conditions. Low ripple and noise output for clean electrical supply. Compact through-hole SIP package design. Low quiescent current for reduced power consumption. This product complies with REACH standards and has an expected MTBF of 3,250,000 hours, ensuring reliability for industrial and commercial applications.
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Frequently Asked Questions
This model provides a stable output voltage of 3.3V DC with a maximum output current of 1.5A.
It has a high efficiency rating of 91%, which minimizes energy loss and heat production during operation.
The input voltage range is from 4.75V to 18V DC, allowing compatibility with various power sources.
The dimensions of this switching regulator are 11.5mm in length, 17.5mm in width, and 8.5mm in depth.
The ripple and noise level is low at 15mV peak-to-peak, ensuring a stable output for sensitive electronics.
It operates reliably within an extended temperature range from -40°C to 85°C, suitable for harsh environments.
Yes, it features built-in short-circuit protection that allows for automatic reset, enhancing system safety.
The quiescent current is only 9mA, which helps reduce idle power consumption.
The load regulation is specified at 0.4%, ensuring stable output under varying load conditions.
This switching regulator complies with REACH standards, indicating its adherence to environmental regulations.
The expected MTBF for this model is 3,250,000 hours, indicating reliability for industrial applications.
It uses a through-hole mounting type, suitable for integration into various circuit board designs.
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