Recom Switching Regulator, Through Hole, 3.3V dc Output Voltage, 4.75 → 32V dc Input Voltage, 2A Output Current,
- RS Stock No.:
- 139-2950
- Mfr. Part No.:
- R-78B3.3-2.0
- Brand:
- Recom
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£10.26
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£12.31
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In Stock
- 17 unit(s) ready to ship
- Plus 11 unit(s) ready to ship from another location
- Plus 30 unit(s) shipping from 21 October 2025
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Units | Per unit |
---|---|
1 - 4 | £10.26 |
5 - 9 | £9.96 |
10 - 24 | £9.64 |
25 - 49 | £9.34 |
50 + | £9.03 |
*price indicative
- RS Stock No.:
- 139-2950
- Mfr. Part No.:
- R-78B3.3-2.0
- Brand:
- Recom
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
---|---|---|
Brand | Recom | |
Output Voltage | 3.3V dc | |
Output Current | 2A | |
Input Voltage | 4.75 → 32V dc | |
Mounting Type | Through Hole | |
Number of Outputs | 1 | |
Package | SIP 3 | |
Power Rating | 6.6W | |
Efficiency | 92% | |
Ripple And Noise | 50mV Pk-Pk | |
Maximum Temperature | +70°C | |
Minimum Temperature | -40°C | |
Series | R-78B-2.0 | |
Line Regulation | ±0.5% | |
Width | 8.5mm | |
Maximum Input Current | 50mA | |
Depth | 8.5mm | |
Length | 11.5mm | |
Switching Frequency Range | 460kHz | |
Protection Features | Short Circuit Protection | |
Weight | 4g | |
Load Regulation | ±1% | |
Standards Met | CB Report, EN 55022, IEC/EN 62368-1 | |
Power Signal Conversion Type | DC-DC | |
MTBF | 6349000h | |
Select all | ||
---|---|---|
Brand Recom | ||
Output Voltage 3.3V dc | ||
Output Current 2A | ||
Input Voltage 4.75 → 32V dc | ||
Mounting Type Through Hole | ||
Number of Outputs 1 | ||
Package SIP 3 | ||
Power Rating 6.6W | ||
Efficiency 92% | ||
Ripple And Noise 50mV Pk-Pk | ||
Maximum Temperature +70°C | ||
Minimum Temperature -40°C | ||
Series R-78B-2.0 | ||
Line Regulation ±0.5% | ||
Width 8.5mm | ||
Maximum Input Current 50mA | ||
Depth 8.5mm | ||
Length 11.5mm | ||
Switching Frequency Range 460kHz | ||
Protection Features Short Circuit Protection | ||
Weight 4g | ||
Load Regulation ±1% | ||
Standards Met CB Report, EN 55022, IEC/EN 62368-1 | ||
Power Signal Conversion Type DC-DC | ||
MTBF 6349000h | ||
- COO (Country of Origin):
- TW
R78Bxx 2.0 Series Switching Regulator
The Recom R-78Bxx series are highly efficient, non-isolated switching regulators. They offer a high-quality product at a low cost in production quantity. They are ideally suited to replace 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 continuous short circuit protection and no external components are needed to work efficiently.
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 continuous short circuit protection and no external components are needed to work efficiently.
Features and Benefits
• Wide operating temperature of -40 to +70 °C at full load
• Pin compatible with TO220 linear regulators
• High efficiency, non-isolated, no need for heatsinks
• Requires no external components
• Continuous short circuit protection
• Low ripple and noise
• Compact size, ensuring space saving
• Positive to negative converter
• Pin compatible with TO220 linear regulators
• High efficiency, non-isolated, no need for heatsinks
• Requires no external components
• Continuous short circuit protection
• Low ripple and noise
• Compact size, ensuring space saving
• Positive to negative converter
RECOM Switching Regulator, Vibration-Resistant, 6.6W Power Rating - R-78B-2.0 Series - R-78B3.3-2.0
If your circuit's receiving excess current, take it down a notch with this switching regulator from RECOM. The unit steps down a wide input voltage range between 4.75 and 32V DC to a safe output level of 3.3V DC. Need to mount it? The soldering pins mean you can attach it to the underside of your board in a flash. Thanks to its built-in resistance to vibration, you can count on this unit to hold firm when things get shaky.
Features & Benefits
• Pin-compatible with TO220 linear regulators for use with legacy devices
• Built-in short-circuit and over-temperature protection for durability in harsh conditions
• Low ripple and noise of 50mV Pk-Pk for minimal signal disruption
• Efficiency rating of 92% reduces heat waste, eliminating the need for a heatsink
• Built-in short-circuit and over-temperature protection for durability in harsh conditions
• Low ripple and noise of 50mV Pk-Pk for minimal signal disruption
• Efficiency rating of 92% reduces heat waste, eliminating the need for a heatsink
Applications
• HVAC systems
• Digital cameras
• Computer peripherals
• Telecommunications
• Digital cameras
• Computer peripherals
• Telecommunications
How fast is this regulator?
With a startup time of 10ms, you can rest assured that this regulator will quickly rise to the challenge of balancing power in your circuit.
How long will this regulator last?
Thanks to its mean time between failures of 6,349,000 hours, you can rely on this regulator for a long time without it breaking down.