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Mean Well SCW08A-12 DC-DC Converter - 8W 9~18V DC in 12V out 670mA
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SCW08A-12 is the 12V output model of this series: rated power 8W, typical efficiency 80%.
Features
- 2:1 wide input range
- 1500VDC I/O isolation
- Built-in EMI filter
- Protections: Short circuit / Overload
- Cooling by free air convection
- Five-sided shield metal case
- 100% full load burn-in test
- Low cost / High reliability
- 2 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- 12V
- CURRENT RANGE
- 134 ~ 670mA
- RATED POWER
- 8W
- RIPPLE & NOISE (max.)Note.2
- 60mVp-p
- LINE REGULATIONNote.3
- ±0.5%
- LOAD REGULATIONNote.4
- ±0.5%
- VOLTAGE ACCURACY
- ±2.0%
- SWITCHING FREQUENCY
- 50KHz min.
- EXTERNAL CAPACITANCE LOAD (max.)
- 220uF
INPUT
- VOLTAGE RANGE
- 9 ~ 18VDC
- EFFICIENCY (Typ.)
- 80%
- DC CURRENT Full load
- 888mA
- DC CURRENT No load
- 50mA
- FILTER
- Pi network
- PROTECTION
- Fuse recommended
PROTECTION (Note. 5)
- OVERLOAD
- 110 ~ 250% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
- SHORT CIRCUIT
- All output equipped with short circuit Protection type : Hiccup mode, recovers automatically after fault condition is removed
ENVIRONMENT
- WORKING TEMP.
- -40 ~ +71℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -40 ~ +105℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.03% / ℃ (0 ~ 50℃)
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
SAFETY
- SAFETY STANDARDS
- EAC TP TC 020/2011 approved
- WITHSTAND VOLTAGE
- I/P-O/P:1.5KVDC
- ISOLATION RESISTANCE
- I/P-O/P: 100M Ohms / 500VDC / 25℃/ 70% RH
- ISOLATION CAPACITANCE
- 250pF max.
- EMC EMISSION
- Compliance to BS EN/EN55032 Class B, FCC part 15 Class B, EAC TP TC 020
- EMC IMMUNITY
- Compliance to BS EN/EN61000-4-2,3,4,5,6,8 light industry level, criteria A, EAC TP TC 020
OTHERS
- MTBF
- 900khrs min. MIL-HDBK-217F(25℃)
- DIMENSION
- 31.8*20.3*12.2mm or 1.25"*0.80"*0.48" inch (L*W*H)
- PACKING
- 17.5g ; 15pcs/per tube, 750pcs/50 tube/per carton
Test conditions and notes5
- 1.All parameters are specified at normal input, rated load, 25℃ 70% RH ambient.
- 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf & 47uf capacitor.
- 3.Line regulation is measured from low line to high line at rated load.
- 4.Load regulation is measured from 20% to 100% rated load.
- 5.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds.
Technical drawings
Downloads
FAQ
Can I use the SCW08A-12 for a 12V relay or control circuit in industrial equipment?
Yes, it is suitable for constant-voltage 12V control loads when the supply feeding it is within 9-18VDC. The output is rated for 0.67A and 8W, so it fits lower-power relay and control circuits that stay inside those limits.
Is this a good fit for a 12V sensor interface or signal-conditioning module?
It can be used where the electronics require a regulated 12V constant-voltage output and draw no more than 0.67A. With an 8W rating and 9-18VDC input range, it is positioned for low-power interface electronics rather than larger 12V loads.
Can the SCW08A-12 power a small 12V automation accessory in a tight enclosure?
Yes, if the accessory needs 12V and remains within 0.67A and 8W. The unit measures 31.8 × 20.3 × 12.2 mm and weighs 17.5 g, which helps in compact control assemblies.
What is the difference between the SCW08A-12 and the other SCW08A output versions?
The SCW08A-05, SCW08A-12, and SCW08A-15 all share the same 8W rating, 9-18VDC input range, and 31.8 × 20.3 × 12.2 mm dimensions. The difference is the output: 5V at 1.6A, 12V at 0.67A, or 15V at 0.53A.
Can the SCW08A-12 be used outdoors or in unconditioned spaces?
The stated operating temperature range is -40°C to +71°C, with output derated at higher temperatures per the derating curve. The provided specs do not list any IP rating, so outdoor protection or sealed-enclosure performance is not specified.
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Other SCW08 Models
8 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well SCW08C-15 DC-DC Converter - 8W 36~72V DC in 15V out 533mA | 8W | 15V | 0.533A | IP20 | View |
| Mean Well SCW08C-12 DC-DC Converter - 8W 36~72V DC in 12V out 670mA | 8W | 12V | 0.67A | IP20 | View |
| Mean Well SCW08C-05 DC-DC Converter - 8W 36~72V DC in 5V out 1.6A | 8W | 5V | 1.6A | IP20 | View |
| Mean Well SCW08B-15 DC-DC Converter - 8W 18~36V DC in 15V out 533mA | 8W | 15V | 0.533A | IP20 | View |
| Mean Well SCW08B-12 DC-DC Converter - 8W 18~36V DC in 12V out 670mA | 8W | 12V | 0.67A | IP20 | View |
| Mean Well SCW08B-05 DC-DC Converter - 8W 18~36V DC in 5V out 1.6A | 8W | 5V | 1.6A | IP20 | View |
| Mean Well SCW08A-15 DC-DC Converter - 8W 9~18V DC in 15V out 533mA | 8W | 15V | 0.533A | IP20 | View |
| Mean Well SCW08A-05 DC-DC Converter - 8W 9~18V DC in 5V out 1.6A | 8W | 5V | 1.6A | IP20 | View |
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