Over 15 years experience of providing support of MEAN WELL Power Supplies
Overview
SPA01B-12 is the 12V output model of this series: rated power 1W, typical efficiency 78%.
Features
- Single in line package
- 2:1 wide input range
- 1500VDC I/O isolation
- Built-in EMI filter without external components
- Protections: Short circuit / Overload
- Cooling by free air convection
- 100% full load burn-in test
- Low cost / High reliability
- 2 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- 12V
- CURRENT RANGE
- 8 ~ 83mA
- RATED POWER
- 1W
- RIPPLE & NOISE (max.)Note.2
- 80mVp-p
- LINE REGULATIONNote.3
- ±0.5%
- LOAD REGULATIONNote.4
- ±0.5%
- VOLTAGE ACCURACY
- ±2.0%
- SWITCHING FREQUENCY
- 100KHz min.
INPUT
- VOLTAGE RANGE
- 18 ~ 36VDC
- EFFICIENCY (Typ.)
- 78%
- DC CURRENT Full load
- 55mA
- DC CURRENT No load
- 10mA
- FILTER
- Capacitor Type
- PROTECTION
- Fuse recommended
PROTECTION (Note. 5)
- OVERLOAD
- 130 ~ 200% rated output power Protection type : Recovers automatically after fault condition is removed
- SHORT CIRCUIT
- All output equipped with short circuit Protection type : Recovers automatically after fault condition is removed
ENVIRONMENT
- WORKING TEMP.
- -40 ~ +90℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -40 ~ +105℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.05% / ℃ (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 (EAC TP TC 004 for 48Vin type only) approved
- WITHSTAND VOLTAGE
- I/P-O/P:1.5KVDC
- ISOLATION RESISTANCE
- I/P-O/P: 100M Ohms / 500VDC / 25℃/ 70% RH
- ISOLATION CAPACITANCE
- 80pF 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
- 500Khrs min. MIL-HDBK-217F(25℃)
- DIMENSION
- 17.4*7.75*11.1mm or 0.69"*0.30"*0.44" inch (L*W*H)
- PACKING
- 3g ; 28pcs/per tube, 2800pcs/100 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 10% 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
Certificates5
Test reports1
FAQ
Can I use the SPA01B-12 for a small 12V control or sensing circuit in industrial equipment?
Yes, it is appropriate for low-power 12V constant-voltage circuits in industrial or embedded electronics. The output is limited to 12V at 0.08A with 1W total power, so it fits light-duty control, sensing, or signal stages.
Is the SPA01B-12 a good fit for a compact 12V auxiliary rail in automation hardware?
It can be used where automation hardware needs a compact 12V auxiliary output from an 18-36VAC input range. With a 1W rating and 0.08A output current, it is intended for small internal electronics rather than heavier 12V devices.
Would the SPA01B-12 work for board-level 12V signal-conditioning electronics?
Yes, this model is suitable for board-level 12V signal-conditioning or interface sections that require a constant-voltage output. The available output is 12V and 0.08A, so the circuit load must remain within 1W.
Can the SPA01B-12 be used in equipment that sees large temperature swings?
The specified operating range is -40°C to +90°C, which supports use in equipment exposed to significant temperature variation. Since no IP rating is provided, the listing does not establish direct outdoor or water-exposed suitability.
What are the differences between the SPA01B-12 and its siblings?
The listed SPA01B siblings are all 1W converters, but their outputs are different. SPA01B-05 is 5V and 200A, SPA01B-12 is 12V and 0.08A, and SPA01B-15 is 15V and 0.07A.
Payment & Security
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Other SPA01 Models
8 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well SPA01C-15 DC-DC Converter - 1W - 36~75V in 15V out 67mA | 1W | 15V | 0.067A | IP20 | View |
| Mean Well SPA01C-12 DC-DC Converter - 1W - 36~75V in 12V out 83mA | 1W | 12V | 0.083A | IP20 | View |
| Mean Well SPA01C-05 DC-DC Converter - 1W - 36~75V in 5V out 200mA | 1W | 5V | 200 Milliampere | IP20 | View |
| Mean Well SPA01B-15 DC-DC Converter - 1W - 18~36V in 15V out 67mA | 1W | 15V | 0.067A | IP20 | View |
| Mean Well SPA01B-05 DC-DC Converter - 1W - 18~36V in 5V out 200mA | 1W | 5V | 200 Milliampere | IP20 | View |
| Mean Well SPA01A-15 DC-DC Converter - 1W - 9~18V in 15V out 67mA | 1W | 15V | 0.067A | IP20 | View |
| Mean Well SPA01A-12 DC-DC Converter - 1W - 9~18V in 12V out 83mA | 1W | 12V | 0.083A | IP20 | View |
| Mean Well SPA01A-05 DC-DC Converter - 1W - 9~18V in 5V out 200mA | 1W | 5V | 200 Milliampere | IP20 | View |
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