Over 15 years experience of providing support of MEAN WELL Power Supplies
Overview
SMU02N-12 is the 12V output model of this series: rated power 2W, typical efficiency 84%.
Features
- SIP packge
- Industry standard pinout
- 1500VDC I/O isolation
- Built-in EMI filter without external components
- Cooling by free air convection
- Non-conductive plastic case
- 100% burn-in test
- Low cost / High reliability
- 2 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- 12V
- CURRENT RANGE
- 33 ~ 167mA
- RATED POWER
- 2W
- RIPPLE & NOISE (max.)Note.2
- 60mVp-p
- LINE REGULATIONNote.3
- ±1.2% for 1% input variation
- LOAD REGULATIONNote.4
- ±8.0%
- VOLTAGE ACCURACY
- ±2.0%
- SWITCHING FREQUENCY(Typ.)
- 100KHz
INPUT
- VOLTAGE RANGE
- 21.6 ~ 26.4V
- EFFICIENCY(Typ.)
- 84%
- NORMAL VOLTAGE
- 24V
- INPUT CURRENT Full load
- 107mA
- INPUT CURRENT No load
- 15mA
- PROTECTION (FUSE RECOMMENDED)
- 150mA
- FILTER
- Capacitor type
PROTECTION
- OVERLOAD
- Momentary Protection type : Broken
- SHORT CIRCUIT
- Momentary Protection type : Broken
ENVIRONMENT
- WORKING TEMP.
- -40 ~ +85℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -55 ~ +125℃, 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 & EMC
- 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
- 80pF max.
- EMI RADIATION
- Compliance to BS EN/EN55032 Class B, FCC part 15 Class B, EAC TP TC 020
- EMS IMMUNITY
- Compliance to BS EN/EN61000-4-2,3,4,5,6,8 light industry level, criteria A, EAC TP TC 020
OTHERS
- MTBF
- 100Khrs min. MIL-HDBK-217F(25℃)
- DIMENSION (L*W*H)
- 11.6*7.5*10.14mm or 0.46"*0.30"*0.40" inch
- PACKING
- 1.3g ; 42 pcs/per tube, 6720 pcs/ 160 tube/per carton
Test conditions and notes4
- 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.
Technical drawings
Downloads
FAQ
Can I use the SMU02N-12 in a 24V automation panel for 12V control electronics?
It is designed for a 21.6-26.4VDC input and provides a 12V constant voltage output. With a 2W rating and 167mA listed output current, it is best suited to low-power 12V control and embedded electronics inside industrial equipment.
Is the SMU02N-12 a fit for 12V sensor modules or small automation accessories?
Yes, it fits low-power 12V loads that need to be derived from a 21.6-26.4VDC source. The 2W power level makes it more appropriate for auxiliary automation circuits and sensor-related electronics than for larger 12V devices.
Can this model power compact 12V embedded or relay-related circuits?
It can support compact 12V subcircuits where constant voltage output is required and the source falls within 21.6-26.4VDC. The small 11.6 × 7.5 × 10.14 mm package also supports dense electronics layouts where space is limited.
Is the SMU02N-12 suitable for indoor or outdoor use?
The operating range is -40°C to +85°C, so the temperature capability is broad for industrial electronics. No IP rating is listed, which means it is better treated as a part for protected indoor equipment rather than direct outdoor exposure.
How does the SMU02N-12 differ from the other 2W SMU02N options?
The sibling models listed are SMU02N-05 at 2W, 5V, and 400mA listed output current, SMU02N-12 at 2W, 12V, and 167mA listed output current, and SMU02N-15 at 2W, 15V, and 133mA listed output current. If you are choosing within this group, the decision is primarily the required output voltage and the corresponding listed output current.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Other SMU02 Models
8 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well SMU02N-15 DC-DC Converter - 2W - 21.6~26.4V in 15V out 133mA | 2W | 15V | 133 Milliampere | IP20 | View |
| Mean Well SMU02N-05 DC-DC Converter - 2W - 21.6~26.4V in 5V out 400mA | 2W | 5V | 400 Milliampere | IP20 | View |
| Mean Well SMU02M-15 DC-DC Converter - 2W - 10.8~13.2V in 15V out 133mA | 2W | 15V | 133 Milliampere | IP20 | View |
| Mean Well SMU02M-12 DC-DC Converter - 2W - 10.8~13.2V in 12V out 167mA | 2W | 12V | 167 Milliampere | IP20 | View |
| Mean Well SMU02M-05 DC-DC Converter - 2W - 10.8~13.2V in 5V out 400mA | 2W | 5V | 400 Milliampere | IP20 | View |
| Mean Well SMU02L-15 DC-DC Converter - 2W - 4.5~5.5V in 15V out 133mA | 2W | 15V | 133 Milliampere | IP20 | View |
| Mean Well SMU02L-12 DC-DC Converter - 2W - 4.5~5.5V in 12V out 167mA | 2W | 12V | 167 Milliampere | IP20 | View |
| Mean Well SMU02L-05 DC-DC Converter - 2W - 4.5~5.5V in 5V out 400mA | 2W | 5V | 400 Milliampere | IP20 | View |
Please log in to write a review.
Write a review
Reviews are checked before publishing. By submitting you confirm this is your genuine experience with this product.
Submitting your review…
It's published and now helps other buyers.
We're checking it and it'll appear shortly.
Please try again.


