Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well SRS-1209 DC-DC Converter - 0.5W - 10.8~13.2V in 9V out
The SRS is a 0.5W Mean Well power converter.
Key Features
- ✓ 1KVDC reinforced I/O isolation
- ✓ Protections: Short circuit / Overload
- ✓ Safety approvals: WITHSTAND VOLTAGE ISOLATION RESISTANCE ISOLATION CAPACITANCE EMC EMISSION EMC IMMUNITY MTBF DIMENSION WEIGHT -25 ~ +105 ± 0.03% / ℃ ℃ , 10 ~ 95% RH ℃ ) (0 ~ 50 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes EAC TP TC 004
- ✓ 3 years warranty
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BrandMean Well
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SeriesSRS Series
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Power Rating0.5 Watt
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Output Voltage9 Volt
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Rated Current0.05 Ampere
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Input Voltage10.8V~13.2V
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No of Output1
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Dimming ControlNone
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Standards MetCE,EMC,FCC
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Operation ModeConstant Voltage
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Operating Temperature-25°C~71°C
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Warranty2 Year
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Length0.89 in
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Width0.39 in
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Height0.33 in
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Weight0.01 lb
::specification::
Frequently Asked Questions
Can I use the SRS-1209 to provide 9V from a 10.8~13.2V source in embedded equipment?
Yes, this converter is specified for 10.8~13.2V input and gives a 9V constant-voltage output. With 0.5W total power and 0.06A output current, it is aimed at light auxiliary 9V loads in embedded or control electronics.
Is the SRS-1209 suitable for low-power automation or instrumentation subcircuits that need 9V?
It can be used for that type of application when the 9V side remains within 0.06A and the converter stays within 0.5W. That makes it more suitable for small instrumentation, sensing, or interface functions than for larger 9V devices.
Can the SRS-1209 work in compact IT or industrial boards built around a 12V-class supply?
The 22.6 × 9.9 × 8.4 mm size and 0.0031 kg weight support compact board-level use. It is intended for designs that need a small 9V rail while operating from the 10.8~13.2V input range.
Is the SRS-1209 intended for outdoor control boxes?
The listed operating range is -25°C to +71°C, but no IP rating is provided in the specs. That means the temperature range is defined, while environmental sealing for exposed outdoor use is not.
What should I compare when choosing between the SRS-1209 and nearby SRS models?
All listed siblings are 0.5W units, but the output options differ by model. The sibling list shows 5V models SRS-0505, SRS-1205, SRS-2405, and SRS-4805 with listed 100A; 9V models SRS-0509, SRS-1209, SRS-2409, and SRS-4809 at 0.06A; 12V models SRS-0512, SRS-1212, SRS-2412, and SRS-4812 at 0.04A; and 15V models SRS-0515, SRS-1215, SRS-2415, and SRS-4815 at 0.03A.
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