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Mean Well

Mean Well SMA01L-12 DC-DC Converter - 1W - 4.5~5.5V in 12V out 84mA

SKU SMA01L-12
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Overview

SMA01L-12 is the model of this series: rated power 1W, typical efficiency 78%.

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
  • Dual in line package
  • Industry standard pinout
  • 100% burn-in test
  • Low cost / High reliability
  • 2 years warranty

Specifications

SMA01L-12Specifications from the official datasheet (2024-08-02 edition)

SELECTION GUIDE

DC OUTPUT VOLTAGE
12V
OUTPUT CURRENT RANGE
0 ~ 84mA
EFFICIENCY(Typ.)
78%

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
4.5 ~ 5.5V
NORMAL VOLTAGE
5V
INPUT CURRENT Full load
265mA
INPUT CURRENT No load
32mA
PROTECTION (FUSE RECOMMENDED)
500mA
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)
12.7*10.16*7.1mm or 0.50"*0.40"*0.28" inch for 5V,12V input ; 12.7*10.16*7.62mm or 0.50"*0.40"*0.30" inch for 24V input
PACKING
1.6g ; 40pcs/per tube, 6000pcs/150 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

SMA01L-12 Mechanical Specification Unit: mm
Mechanical Specification Unit: mm
SMA01L-12 Packing
Packing

Downloads

FAQ

Can I use the SMA01L-12 to generate 12V for a small embedded or control circuit?

Yes. The SMA01L-12 accepts 4.5~5.5V input and provides a constant-voltage 12V output rated at 1W. It fits small 12V embedded or control circuits that stay inside that 1W limit.

Is the SMA01L-12 suitable for a low-power 12V sensor or interface stage in automation equipment?

It can be suitable for small 12V sensor, interface, or signal sections where the total demand does not exceed 1W. The regulated 12V output is designed for electronics that need constant voltage rather than variable output. Its compact size also supports dense automation assemblies.

Would this 12V converter work for compact instrumentation electronics powered from a 5V-class source?

Yes, if the input is within 4.5~5.5V and the instrumentation electronics remain within the 1W power budget. The SMA01L-12 is very compact at 12.7 × 10.16 × 7.1 mm and weighs 0.0017 kg. That makes it practical for tightly packed boards and small subassemblies.

Can the SMA01L-12 be used in small industrial monitoring modules that require a regulated 12V rail?

It can, for monitoring modules with light 12V power demand up to 1W. The output is constant-voltage 12V, which is appropriate for electronics expecting a stable 12V supply. It is not intended for larger 12V loads beyond that rating.

How does the SMA01L-12 compare with the other SMA01L converters?

All sibling models share a 1W rating and 4.5~5.5V input range. The SMA01L-12 outputs 12V and lists 0 ~ 84mA, while SMA01L-05 is 5V and 0 ~ 200mA, SMA01L-09 is 9V and 0 ~ 110mA, and SMA01L-15 is 15V and 0 ~ 67mA. The key difference is the output voltage, along with the listed current for each output version.

Is the SMA01L-12 appropriate for outdoor installations or temperature-stressed enclosures?

The operating temperature range is -40°C to +90°C, which supports wide temperature conditions. However, no IP rating is provided in the specs, so outdoor exposure resistance should not be assumed. It is better suited to enclosed equipment unless environmental protection is supplied by the larger system.

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Mean Well

Mean Well SMA01L-12 DC-DC Converter - 1W - 4.5~5.5V in 12V out 84mA

Log in to see price

SMA01L-12 is the model of this series: rated power 1W, typical efficiency 78%.

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
  • Dual in line package
  • Industry standard pinout
  • 100% burn-in test
  • Low cost / High reliability
  • 2 years warranty
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