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Recom Switching Regulator Through Hole 3.3V DC 500mA Output Current 1.65W Power R-78HB3.3-0.5L
Specifications
| Country of Origin | Taiwan |
|---|---|
| Brand | Recom |
| Power | 1.65W |
| Efficiency | 76% |
| Length | 11.5mm |
| Model | R-78HB3.3-0.5L |
| Depth | 8.5mm |
| Gross Weight | 4g |
| Width | 8.5mm |
| Mount Type | Through Hole |
| Series | R-78HB-0.5(L) |
| Output Current | 500mA |
| Maximum Operating Temperature | 85°C |
| Package Type | SIP |
| Load Regulation | ±0.6 % |
| Minimum Operating Temperature | -40°C |
| MTBF | 7395000h |
| Number of outputs | 1 |
| Ripple and Noise | 20mV Pk-Pk |
| Maximum Input Voltage | 72V dc |
| Line Regulation | ±1 % |
| Standards/Approvals | EN 60950 |
| Minimum Input Voltage | 9V |
| Output Voltage 1 | 3.3V dc |
Key Features
- Wide input voltage range from 9V to 72V DC for versatile applications.
- High efficiency of 76% ensures minimal heat generation during operation.
- Operating temperature range from -40°C to 85°C supports harsh environments.
- Pin-out compatible with LM78XX linear regulators for easy upgrades.
- Compact SIP package with 90° pins enables space-saving PCB layout.
- Low ripple and noise rated at 20mV peak-to-peak for stable output voltage.
- Built-in thermal shutdown and short circuit protection enhances reliability.
- Mean time between failures (MTBF) of 7,395,000 hours for long-term durability.
Product Description
Recom R-78HB3.3-0.5L is a precision switching regulator designed for through hole mounting, providing a stable 3.3V DC output voltage with a maximum output current of 500mA and power rating of 1.65W. It accepts a wide input voltage range from 9V to 72V DC, making it suitable for numerous industrial and electronic applications.
This regulator boasts an efficiency of 76%, which reduces heat dissipation and improves energy savings. Its operating temperature range from -40°C to +85°C ensures it performs reliably in harsh climatic conditions and demanding environments.
The pin-out is compatible with the LM78XX series of linear regulators, facilitating straightforward replacements or upgrades in legacy circuits. The SIP package features 90° angled pins, allowing the regulator to lay flat on PCBs with limited height clearance.
It provides low ripple and noise output at 20mV peak-to-peak, reducing electrical interference in sensitive electronics. The unit incorporates thermal shutdown and continuous short circuit protection to guard against damage and enhance durability.
With a MTBF of approximately 7.4 million hours, this switching regulator is engineered for long-term performance and reliability. Its non-conductive plastic housing prevents electrical shocks, safeguarding users and equipment during operation.
Typical applications include telecommunications equipment, laptops and desktops, robotics systems, and lighting fixtures requiring efficient voltage regulation. Wide input voltage range from 9V to 72V DC for versatile use.
High efficiency rating of 76% minimizes heat and power loss. Operating temperature from -40°C to +85°C supports harsh environments. Pin compatible with LM78XX linear regulators for easy upgrades. Compact SIP package with 90° pins for space-saving PCB mounting.
Low ripple and noise output at 20mV peak-to-peak for stable voltage. Thermal shutdown and short circuit protection for safety. Long MTBF of 7,395,000 hours ensures operational reliability. Electrically safe non-conductive plastic body construction.
Explore more Switching Regulators and voltage converters on EnvMart to support your industrial and electronics projects.
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Frequently Asked Questions
This model provides a stable output voltage of 3.3V DC with a maximum output current of 500mA.
The efficiency rating of this switching regulator is 76%, which helps minimize heat generation during operation.
It accepts a wide input voltage range from 9V to 72V DC, making it suitable for various applications.
The dimensions of this model are 11.5mm in length, 8.5mm in width, and 8.5mm in depth.
It operates within a temperature range of -40°C to +85°C, suitable for harsh environments.
Yes, it includes built-in thermal shutdown and short circuit protection to enhance reliability and safety.
The output ripple and noise is rated at 20mV peak-to-peak, ensuring stable voltage output.
Yes, it is pin-out compatible with the LM78XX series of linear regulators, allowing for easy upgrades.
The MTBF for this switching regulator is approximately 7,395,000 hours, indicating long-term reliability.
This model is designed for through hole mounting, which is suitable for various PCB layouts.
It complies with the EN 60950 standard, ensuring it meets safety and performance criteria.
Typical applications include telecommunications equipment, laptops, desktops, robotics systems, and lighting fixtures.
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