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Mean Well

Mean Well SPU03N-15 DC-DC Converter - 3W - 21.6~26.4V in 15V out

SKU SPU03N-15
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Overview

SPU03N-15 is the model of this series: rated power 3W, typical efficiency 88%.

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

SPU03N-15Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC OUTPUT VOLTAGE
15V
CURRENT RANGE
20 ~ 200mA
EFFICIENCY (Typ.)
88%
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
21.6 ~ 26.4V
NORMAL VOLTAGE
24V
INPUT CURRENT Full load
145mA
INPUT CURRENT No load
15mA
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. 1.All parameters are specified at normal input, rated load, 25℃ 70% RH ambient.
  2. 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf & 47uf capacitor.
  3. 3.Line regulation is measured from low line to high line at rated load.
  4. 4.Load regulation is measured from 20% to 100% rated load.

Technical drawings

SPU03N-15 Mechanical Specification
Mechanical Specification
SPU03N-15 Packing
Packing

Downloads

FAQ

Can I use the SPU03N-15 to derive 15V for low-power industrial control electronics from a 21.6~26.4V source?

Yes. This converter is specified for 21.6~26.4V input and provides a constant-voltage 15V output at 3W, which suits low-power industrial control and interface circuits that need a 15V rail. It is intended for small-load applications rather than higher-power 15V equipment.

Is the SPU03N-15 suitable for compact embedded systems that need 15V from a 24V-class input?

It is aligned with that use case because the listed input range is 21.6~26.4V and the output is 15V constant voltage. Its size is 19.6 x 10.2 x 7.5 mm, which helps in compact embedded assemblies. The 3W rating defines the supported load level.

Can this model be used in automation hardware installed in hot or cold operating areas?

The operating temperature range is -40°C to +90°C. That makes it suitable for automation hardware that must keep working across a broad ambient temperature range. The product complies with EAC TP TC 020/2011 safety standards and FCC Part 15 Class B / EN 55032 Class B EMC standards.

Is the SPU03N-15 intended for outdoor environments?

The provided specs do not show an IP rating. The temperature specification is -40°C to +90°C, but there is no stated water or dust protection level for outdoor exposure. Based on the listed information, ingress protection is unspecified.

How does the SPU03N-15 differ from the other models in the SPU03N range?

All listed SPU03N versions are 3W converters. The SPU03N-05 is 3W, 5V, 60~600mA; the SPU03N-12 is 3W, 12V, 25~250mA; and the SPU03N-15 is 3W, 15V, 20~200mA. The series entries also share 19.6 x 7.5 x 10.2 mm dimensions, a -40°C to +90°C operating range, and a 2-year warranty.

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Mean Well SPU03N-15 DC-DC Converter - 3W - 21.6~26.4V in 15V out
Mean Well

Mean Well SPU03N-15 DC-DC Converter - 3W - 21.6~26.4V in 15V out

Log in to see price

SPU03N-15 is the model of this series: rated power 3W, typical efficiency 88%.

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
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