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Mean Well

Mean Well DCW12A-15 DC-DC Converter - 12W - 9~18V in ±15V out 400mA

SKU DCW12A-15
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Overview

DCW12A-15 is the ±15V output model of this series: rated power 12W, typical efficiency 83%.

Features

  • 2:1 wide input range
  • 1500VDC I/O isolation
  • Built-in remote ON/OFF control
  • Built-in EMI filter
  • Protections: Short circuit / Overload
  • Cooling by free air convection
  • Five-sided shield metal case
  • 100% full load burn-in test
  • Low cost / High reliability
  • 2 years warranty

Specifications

DCW12A-15Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
±15V
CURRENT RANGE
±80 ~ ±400mA
RATED POWER
12W
RIPPLE & NOISE (max.)Note.2
60mVp-p
LINE REGULATIONNote.3
±0.5%
LOAD REGULATIONNote.4
±0.5%
VOLTAGE ACCURACY
±2.0%
SWITCHING FREQUENCY
400KHz min.
EXTERNAL CAPACITANCE LOAD (max.)
47uF

INPUT

VOLTAGE RANGE
9 ~ 18VDC
EFFICIENCY (Typ.)
83%
DC CURRENT Full load
1245mA
DC CURRENT No load
70mA
FILTER
Pi network
PROTECTION
Fuse recommended

PROTECTION

OVERLOADNote.5
110 ~ 180% rated output load Protection type : Hiccup mode, recovers automatically after fault condition is removed
SHORT CIRCUIT
All output equipped with over current protection Protection type : Hiccup mode, recovers automatically after fault condition is removed

ENVIRONMENT

WORKING TEMP.
-40 ~ +71℃ (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./1cycle, 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
2200pF max.
EMC EMISSION
Compliance to BS EN/EN55032 Class A, FCC part 15 Class A , 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

REMOTE CONTROL
Power ON: R.C. ~ -Vin > 4VDC or open ; Power OFF: R.C. ~ -Vin < 1VDC or short
MTBF
600Khrs min. MIL-HDBK-217F (25℃)
DIMENSION
31.8*20.3*12.2mm (L*W*H) or 1.25"*0.80"*0.48" inch (L*W*H)
PACKING
17.5g ; 15 pcs/per tube, 750 pcs/ 50 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 20% 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

DCW12A-15 Mechanical Specification
Mechanical Specification
DCW12A-15 Packing
Packing

Downloads

FAQ

What input and output range does the Mean Well DCW12A-15 support?

The DCW12A-15 is a 12W DC-DC converter with a 9 to 18V DC input range. It provides a ±15V output and is designed for applications that need regulated bipolar DC output from a nominal 12V input source.

What is the rated output current of the DCW12A-15?

This model is rated at 400 mA and 12W total output power. For buyers comparing compact isolated converters, that makes it suitable for lower-power bipolar supply requirements rather than higher-current load demands.

Is the DCW12A-15 an isolated DC-DC converter?

Yes. The DCW12A-15 includes 1500VDC input-to-output isolation, which helps separate the input side from the output side in sensitive electronic systems. It also specifies 100M Ohms isolation resistance at 500VDC under the stated test conditions.

What protection features are included in the Mean Well DCW12A-15?

This model includes short circuit and overload protection. The short circuit protection uses hiccup-mode recovery, and overload protection is specified at 110% to 180% with automatic recovery after the fault is cleared.

Can the DCW12A-15 be used in harsh temperature environments?

The DCW12A-15 is specified for operation from -40°C to +71°C, subject to the output derating curve. Its storage temperature range is -40°C to +105°C, making it suitable for demanding industrial and embedded environments where wider temperature tolerance is required.

Why would a buyer choose the DCW12A-15 for space-constrained equipment?

This converter is compact at 31.8 x 20.3 x 12.2 mm and uses a five-sided shield metal case. It also uses free air convection cooling and has a built-in EMI filter, which makes it a practical option for compact OEM and control-system designs where size, shielding, and reliability matter.

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Mean Well DCW12A-15 DC-DC Converter - 12W - 9~18V in ±15V out 400mA
Mean Well

Mean Well DCW12A-15 DC-DC Converter - 12W - 9~18V in ±15V out 400mA

Log in to see price

DCW12A-15 is the ±15V output model of this series: rated power 12W, typical efficiency 83%.

Features

  • 2:1 wide input range
  • 1500VDC I/O isolation
  • Built-in remote ON/OFF control
  • Built-in EMI filter
  • Protections: Short circuit / Overload
  • Cooling by free air convection
  • Five-sided shield metal case
  • 100% full load burn-in test
  • Low cost / High reliability
  • 2 years warranty
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