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Mean Well

Mean Well SMA01N-12 DC-DC Converter - 1W - 21.6~26.4V in 12V out 84mA

SKU SMA01N-12
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Overview

SMA01N-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

SMA01N-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
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)
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

SMA01N-12 Mechanical Specification Unit: mm
Mechanical Specification Unit: mm
SMA01N-12 Packing
Packing

Downloads

FAQ

Can I use the SMA01N-12 for a 12V signal-conditioning or instrumentation circuit?

Yes, it provides a constant 12V output and is sized for low-power use at 1W. That makes it suitable for small instrumentation, signal-conditioning, or monitoring circuits that operate from a 21.6~26.4V input source.

Is the SMA01N-12 appropriate for a small 12V rail inside a PLC or automation enclosure?

The input range is 21.6~26.4V, so it matches equipment that runs in that range and needs a low-power 12V output. Because the converter is rated at 1W and 84mA output current, it is intended for light auxiliary loads rather than higher-draw 12V hardware.

Can this model support embedded control electronics that require isolated low-power 12V conversion?

It is a compact 1W constant-voltage 12V converter with dimensions of 12.7 x 10.16 x 7.62 mm and weight of 1.6g, so it fits embedded electronics with tight space limits. The electrical fit still depends on the downstream circuit staying within the 12V, 84mA, and 1W ratings.

What is the difference between the SMA01N-12 and other SMA01N output options?

The SMA01N family includes SMA01N-05 at 1W, 5V, 200mA; SMA01N-09 at 1W, 9V, 110mA; SMA01N-12 at 1W, 12V, 84mA; and SMA01N-15 at 1W, 15V, 67mA. If your system input is 21.6~26.4V and the load specifically requires 12V, this is the matching version in the series.

Can the SMA01N-12 be used in unheated or hot industrial spaces?

The specified operating temperature range is -40C to +90C, so it is built for wide-temperature operation. No IP rating is provided, so temperature capability is clear but direct outdoor exposure or sealed-enclosure performance is not established by the listed specs.

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Mean Well SMA01N-12 DC-DC Converter - 1W - 21.6~26.4V in 12V out
Mean Well

Mean Well SMA01N-12 DC-DC Converter - 1W - 21.6~26.4V in 12V out 84mA

Log in to see price

SMA01N-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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