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Mean Well

Mean Well SMU01N-12 DC-DC Converter - 1W - 21.6~26.4V in 12V out 84mA

SKU SMU01N-12
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Overview

SMU01N-12 is the model of this series: rated power 1W, typical efficiency 77%.

Features

  • 1500VDC I/O isolation
  • 3000VDC I/O isolation(optional)
  • Operating temperature range of -40 ~ +85℃ without derating
  • Internal SMD technology
  • Built-in EMI filter
  • Cooling by free air convection
  • Non-conductive plastic case
  • SIP packge
  • Industry standard pinout
  • 100% burn-in test
  • Low cost / High reliability
  • 2 years warranty

Specifications

SMU01N-12Specifications from the official datasheet (2024-08-02 edition)

SELECTION GUIDE

DC OUTPUT VOLTAGE
12V
OUTPUT CURRENT RANGE
0 ~ 84mA
EFFICIENCY(Typ.)
77%

OUTPUT

RATED POWER
1W
RIPPLE & NOISE (max.)Note.2
100mVp-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
NORMAL VOLTAGE
24V
INPUT CURRENT Full load
57mA
INPUT CURRENT No load
11mA
PROTECTION (FUSE RECOMMENDED)
150mA
FILTER
Capacitor type

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
-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
700khrs min. MIL-HDBK-217F(25℃)
DIMENSION (L*W*H)
11.6*6.1*10.14mm or 0.46"*0.24"*0.40" inch for 5V,12V input ; 11.6*7.4*10.14mm or 0.46"*0.29"*0.40" inch for 24V input
PACKING
SMU01L/M: 1.3g ; 42 pcs/per tube, 6720 pcs/ 160 tube/per carton SMU01N : 1.4g ; 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

SMU01N-12 Mechanical Specification Unit: mm
Mechanical Specification Unit: mm
SMU01N-12 Packing
Packing

Downloads

FAQ

Can I use the SMU01N-12 to supply 12V interface or control circuits from a 21.6~26.4VAC source?

Yes, this model is built for a 21.6~26.4VAC input and delivers a constant 12V output. At 1W, it is intended for low-power 12V control, interface, and embedded electronics.

Is the SMU01N-12 suitable for compact 12V rails inside industrial sensors or monitoring modules?

It is a good fit where board space is limited, since the package is 11.6 × 10.14 × 7.4 mm and weighs 0.0013 kg. That makes it practical for compact industrial modules needing a regulated 12V auxiliary supply.

Would the SMU01N-12 work for low-power 12V analog or signal-conditioning sections?

Yes, for low-power sections that need a constant 12V rail and have a 21.6~26.4VAC source available. The 1W rating means it is better matched to signal-conditioning and control electronics than to larger 12V loads.

How does the SMU01N-12 compare with the rest of the SMU01N family?

The SMU01N-12 provides 1W at 12V with a listed output current of 0.08A. The related models are SMU01N-05 at 1W and 5V with 200A, SMU01N-09 at 1W and 9V with 110A, and SMU01N-15 at 1W and 15V with 0.07A.

Is the SMU01N-12 intended for indoor or outdoor equipment?

The temperature range of -40°C to +90°C supports use in equipment operating across a wide ambient range. No IP rating is shown in the provided specifications, so outdoor suitability is not established by the converter specs alone.

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Mean Well SMU01N-12 DC-DC Converter - 1W - 21.6~26.4V in 12V out 84mA
Mean Well

Mean Well SMU01N-12 DC-DC Converter - 1W - 21.6~26.4V in 12V out 84mA

Log in to see price

SMU01N-12 is the model of this series: rated power 1W, typical efficiency 77%.

Features

  • 1500VDC I/O isolation
  • 3000VDC I/O isolation(optional)
  • Operating temperature range of -40 ~ +85℃ without derating
  • Internal SMD technology
  • Built-in EMI filter
  • Cooling by free air convection
  • Non-conductive plastic case
  • SIP packge
  • Industry standard pinout
  • 100% burn-in test
  • Low cost / High reliability
  • 2 years warranty
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