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Mean Well

Mean Well SMU02N-12 DC-DC Converter - 2W - 21.6~26.4V in 12V out 167mA

SKU SMU02N-12
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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

SMU02N-12Specifications from the official datasheet (2024-08-02 edition)

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. 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

SMU02N-12 Mechanical Specification Unit: mm
Mechanical Specification Unit: mm
SMU02N-12 Packing
Packing

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.

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Mean Well SMU02N-12 DC-DC Converter - 2W - 21.6~26.4V in 12V out 167mA
Mean Well

Mean Well SMU02N-12 DC-DC Converter - 2W - 21.6~26.4V in 12V out 167mA

Log in to see price

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
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