Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well SPB09B-03 DC-DC Converter - 9W - 18~36V in 3.3V out 2A
Remote ON/OFF control
9V model available(optional)
3 years warranty
Key Features
- ✓SIP8 package with industry-standard pinout
- ✓2:1 wide input range
- ✓Wide operating temperature range -40~+90°C
- ✓No minimum load required
- ✓High efficiency up to 89%
- ✓Protection: Short circuit(continuous)/Overload/Input under voltage
- ✓1.5KVDC I/O isolation
- ✓Remote ON/OFF control
- ✓9V model available(optional)
- ✓3 years warranty
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BrandMean Well
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SeriesSPB Series
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Power Rating9 Watt
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Output Voltage3.3 Volt
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Rated Current2 Ampere
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Input Voltage18V~36V
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No of Output1
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Dimming ControlNone
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Standards MetCE,EAC
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Operation ModeConstant Voltage
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Operating Temperature-40°C~90°C
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Warranty3 Year
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Length0.98 in
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Width0.44 in
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Height0.38 in
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Weight0.01 lb
::specification::
Frequently Asked Questions
Can I use the SPB09B-03 to supply 3.3V logic or embedded control electronics from an 18-36VAC source?
Yes, this model is intended for constant voltage conversion to 3.3V with up to 2A output current. Its 9W rating fits lower-power 3.3V logic, embedded, and control circuits that match that input and output range.
Is the SPB09B-03 appropriate for industrial sensors or controller boards that run on 3.3V?
It can fit 3.3V electronics where the load stays within 2A and 9W. The 18-36VAC input range also makes it relevant for systems that need a 3.3V rail derived from a higher input range than the SPB09A series.
Can this converter be used in tightly packed embedded or automation hardware?
Its dimensions are 24.9 × 11.2 × 9.6 mm and its weight is 0.005 kg, so it is physically well suited to compact assemblies. It is designed for 3.3V constant voltage applications from an 18-36VAC input source.
What is the difference between the SPB09B-03 and the other SPB09B models?
The SPB09B family shares a 9W rating and an 18-36VAC input range across the series. The output options are 3.3V at 2A, 5V at 1.6A, 12V at 750A, 15V at 600A, and 24V at 375A.
Is the SPB09B-03 rated for outdoor use or extreme temperatures?
The operating temperature range is -40°C to +90°C, which supports use in demanding temperature conditions. No IP rating is listed in the provided specifications, so outdoor exposure protection is not confirmed.
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