Over 15 years experience of providing support of MEAN WELL Power Supplies
Overview
SPU03M-15 is the model of this series: rated power 3W, typical efficiency 86%.
Features
- 3000VDC I/O isolation
- Internal SMD technology
- Built-in EMI filter
- Protection: Short circuit
- Cooling by free air convection
- Non-conductive plastic case
- Single in line package
- 100% full load burn-in test
- Low cost / High reliability
- 2 years warranty
Specifications
OUTPUT
- DC OUTPUT VOLTAGE
- 15V
- CURRENT RANGE
- 20 ~ 200mA
- EFFICIENCY (Typ.)
- 86%
- RATED POWER
- 3W
- RIPPLE & NOISE (max.)Note.2
- 50mVp-p
- LINE REGULATIONNote.3
- ±1.2% for 1% input variation
- LOAD REGULATIONNote.4
- ±8.0%
- VOLTAGE ACCURACY
- ±2.0%
- SWITCHING FREQUENCY
- 60KHz min.
INPUT
- VOLTAGE RANGE
- 10.8 ~ 13.2V
- NORMAL VOLTAGE
- 12V
- INPUT CURRENT Full load
- 300mA
- INPUT CURRENT No load
- 30mA
- FILTER
- Capacitor type
- PROTECTION
- Fuse recommended
PROTECTION
- OVERLOAD
- Momentary Protection type : Broken
- SHORT CIRCUIT
- Momentary Protection type : Broken
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
- ±0.03% / ℃ (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:3KVDC
- 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
- 700khrs min. MIL-HDBK-217F(25℃)
- DIMENSION
- 19.6*7.5*10.2mm or 0.77"*0.30"*0.40" inch (L*W*H)
- PACKING
- 2.9g ; 25 pcs/per tube, 4000 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
Certificates4
Test reports1
FAQ
Can I use the SPU03M-15 to generate 12V for low-power automation electronics from a 21.6~26.4V source?
No, the SPU03M-15 is rated for 10.8~13.2V input and provides a constant 15V output at 3W. It is suitable for low-power automation, embedded, or control electronics that run on a regulated 15V rail from a 12V source.
Is the SPU03M-15 suitable for 12V interface or monitoring circuits in industrial equipment?
It is a 3W constant-voltage 15V model, so it fits low-power interface, signaling, or monitoring sections rather than larger loads. The defined input range is 10.8~13.2V, which is the key system-matching requirement.
Can this model fit inside space-limited embedded hardware?
Yes, the converter measures 19.6 × 10.2 × 7.5 mm and weighs 0.0029 kg. Those dimensions support compact placement in embedded control boards and tightly packed electronic assemblies.
Would the SPU03M-15 work for a small 12V auxiliary rail in telecom or IT systems?
For low-power 15V support electronics, the 3W rating makes it appropriate for auxiliary use. It is intended for designs that have 10.8~13.2V input available and need a regulated constant-voltage 15V output.
Can the SPU03M-15 be used in very hot or very cold operating areas?
The specified operating temperature range is -40°C to +90°C. The provided specifications do not include an IP rating, so environmental sealing or outdoor exposure performance is not defined.
How does the SPU03M-15 differ from other SPU03M converters?
The SPU03M-15 is 3W with 15V output and listed 20~200mA output current. In the same series, the SPU03M-05 is 3W with 5V output and listed 60~600mA output current, and the SPU03M-12 is 3W with 12V output and listed 25~250mA 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.


