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Mean Well

Mean Well SPA01A-12 DC-DC Converter - 1W - 9~18V in 12V out 83mA

SKU SPA01A-12
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Overview

SPA01A-12 is the 12V output model of this series: rated power 1W, typical efficiency 78%.

Features

  • Single in line package
  • 2:1 wide input range
  • 1500VDC I/O isolation
  • Built-in EMI filter without external components
  • Protections: Short circuit / Overload
  • Cooling by free air convection
  • 100% full load burn-in test
  • Low cost / High reliability
  • 2 years warranty

Specifications

SPA01A-12Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
12V
CURRENT RANGE
8 ~ 83mA
RATED POWER
1W
RIPPLE & NOISE (max.)Note.2
80mVp-p
LINE REGULATIONNote.3
±0.5%
LOAD REGULATIONNote.4
±0.5%
VOLTAGE ACCURACY
±2.0%
SWITCHING FREQUENCY
100KHz min.

INPUT

VOLTAGE RANGE
9 ~ 18VDC
EFFICIENCY (Typ.)
78%
DC CURRENT Full load
110mA
DC CURRENT No load
20mA
FILTER
Capacitor Type
PROTECTION
Fuse recommended

PROTECTION (Note. 5)

OVERLOAD
130 ~ 200% rated output power Protection type : Recovers automatically after fault condition is removed
SHORT CIRCUIT
All output equipped with short circuit Protection type : Recovers automatically after fault condition is removed

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
±0.05% / ℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes

SAFETY

SAFETY STANDARDS
EAC TP TC 020/2011 (EAC TP TC 004 for 48Vin type only) 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.
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
500Khrs min. MIL-HDBK-217F(25℃)
DIMENSION
17.4*7.75*11.1mm or 0.69"*0.30"*0.44" inch (L*W*H)
PACKING
3g ; 28pcs/per tube, 2800pcs/100 tube/per carton
Test conditions and notes5
  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 10% to 100% rated load.
  5. 5.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds.

Technical drawings

SPA01A-12 Mechanical Specification
Mechanical Specification
SPA01A-12 Packing
Packing

Downloads

FAQ

Can I use the SPA01A-12 for a low-power 12V sensor or transmitter circuit in industrial equipment?

Yes, this model is intended for low-power 12V constant-voltage loads. It provides 12V output at up to 0.08A with 1W total power, so it fits small sensor, transmitter, or signal-conditioning circuits that stay within those limits.

Is the SPA01A-12 suitable for embedded control boards that need a regulated 12V rail from a 9-18VDC source?

It is a fit for embedded or automation boards that need a small, regulated 12V output from a 9-18VDC input range. Because the unit is rated for 1W and 0.08A output, it is best for auxiliary board-level power rather than larger 12V loads.

Can this converter power a small 12V interface stage inside a PLC or automation panel?

It can be used for a small 12V interface stage where the load remains within 1W and 0.08A. The constant-voltage output makes it appropriate for light-duty control, monitoring, or isolation-related subcircuits in industrial electronics.

Is the SPA01A-12 meant for harsh temperature environments?

The operating temperature range is -40°C to +90°C, which supports use across very cold and very hot equipment environments. No IP rating is listed, so the product data does not establish suitability for direct outdoor exposure or washdown areas.

How does the SPA01A-12 compare with the other SPA01A models?

Within the SPA01A series, all listed siblings are 1W converters in the same family. The SPA01A-05 is rated at 5V and 200mA, the SPA01A-12 is rated at 12V and 83mA, and the SPA01A-15 is rated at 15V and 67mA.

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Mean Well SPA01A-12 DC-DC Converter - 1W - 9~18V in 12V out 83mA
Mean Well

Mean Well SPA01A-12 DC-DC Converter - 1W - 9~18V in 12V out 83mA

Log in to see price

SPA01A-12 is the 12V output model of this series: rated power 1W, typical efficiency 78%.

Features

  • Single in line package
  • 2:1 wide input range
  • 1500VDC I/O isolation
  • Built-in EMI filter without external components
  • Protections: Short circuit / Overload
  • Cooling by free air convection
  • 100% full load burn-in test
  • Low cost / High reliability
  • 2 years warranty
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