Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well SPB09B-12 DC-DC Converter - 9W - 18~36V in 12V out
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 Voltage12 Volt
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Rated Current0.75 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-12 for a 12V automation controller or industrial interface module?
Yes, if the equipment requires constant 12V output and fits within the converter's 9W capacity. It accepts 18-36VAC input, which matches higher-voltage control systems. This makes it relevant for low-power 12V control electronics in industrial and automation equipment.
Is the SPB09B-12 a good fit for 12V instrumentation or monitoring devices?
It can be used where a stable 12V rail is needed from an 18-36VAC source. The unit is rated at 9W with a listed 750A output current, so application fit should be checked against the device's required 12V load. Its constant voltage operation is appropriate for regulated electronics rather than variable-output use.
Can this model power compact 12V industrial electronics inside space-constrained equipment?
Yes. The body is 24.9 × 11.2 × 9.6 mm and weighs 0.005 kg, so it is suited to compact assemblies where board space and weight matter. It is intended for low-power 12V electronics within its 9W rating.
Will the SPB09B-12 handle cold or hot industrial environments, and is it outdoor-rated?
The specified operating temperature is -40°C to +90°C, so the temperature range supports both cold and hot equipment environments. However, no IP rating is provided in the listed specs. Based on this data, outdoor or exposed-enclosure suitability is not confirmed.
What are the output differences between the SPB09B-12 and the other SPB09B versions?
Each model in the SPB09B family is rated at 9W and uses 18-36VAC input. The outputs are 3.3V at 2A for SPB09B-03, 5V at 1.6A for SPB09B-05, 12V at 750A for SPB09B-12, 15V at 600A for SPB09B-15, and 24V at 375A for SPB09B-24. The family is differentiated by output voltage and listed output current.
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