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Mean Well DKMW30F-12 DC-DC Converter - 30W - 9~36V in ±12V out 1.25A

$40.74 USD
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Overview

DKMW30F-12 is the ±12V output model of this series: rated power 30W, typical efficiency 87%.

SKMW30 and DKMW30 series are 30W isolated and regulated module type DC-DC converter with DIP 1"x1" package. It features international standard pins, a high efficiency up to 90%, wide working temperature range -40~+85℃, 1.5KVDC I/P-O/P isolation voltage, compliance to BS EN/EN55032 radiated Class A without additional components, continuous-mode short circuit, overload, over temperature, input under voltage protection, remote ON/OFF and trimmable output voltage etc. The models account for different input voltage 9~36V and 18~75V 4:1 ultrawide input range, and various output voltage, 3.3V/5V/12V/15V for single output and ±12V/±15V for dual outputs, which are suitable for all kinds of systems, s uch as industrial control, telecommunication field, distributed power architecture, and so on.

Features

  • DIP 1"x1" package with industry standard pinout
  • 4:1 ultrawide input range
  • Operating temperature range -40 ~ +85℃
  • No minimum load required
  • Comply to BS EN/EN55032 radiated Class A without additional components
  • High efficiency up to 90%
  • Protections: Short circuit (Continuous) / Overload / Over voltage / Over temperature / Input under voltage
  • 1.5KVDC I/O isolation
  • Remote ON/OFF control and Triming output (±10%)
  • 3 years warranty

Specifications

DKMW30F-12Specifications from the official datasheet (2024-04-30 edition)

MODEL SELECTION TABLE

INPUT VOLTAGE (RANGE)
24V (9 ~ 36V)
INPUT CURRENT NO LOAD
10mA
INPUT CURRENT FULL LOAD
1425mA
OUTPUT VOLTAGE
±12V
OUTPUT CURRENT
±0 ~ 1250mA
EFFICIENCY (TYP.)
87%
CAPACITOR LOAD (MAX.)* For each output
*1250μF

INPUT

VOLTAGE RANGE
9~36Vdc ,
SURGE VOLTAGE (100ms max.)
24Vin models : 50Vdc, 48Vin models : 100Vdc
FILTER
Pi type
PROTECTION
Fuse recommended. 24Vin models: 6A delay time Type, 48Vin models: 3A delay time Type
INTERNAL POWER DISSIPATION
500mW

OUTPUT

VOLTAGE ACCURACY
±1.5%
RATED POWER
30W
RIPPLE & NOISENote.2
3.3/5Vout models: 75mVp-p, other models:100mVp-p
LINE REGULATIONNote.3
±0.2%
LOAD REGULATIONNote.4
Single output models: ±0.2%, Dual output models:±1%
SWITCHING FREQUENCY (Typ.)
3.3/5Vout models: 270KHz, other models: 330KHz
EXTERNAL TRIM ADJ. RANGE (Typ.)
±10% (Single output model only)

PROTECTION

SHORT CIRCUIT
Protection type : Continuous, automatic recovery
OVERLOAD
110 ~ 170% rated output power Protection type : Recovers automatically after fault condition is removed
OVER VOLTAGE
Protection type : Clamp by diode
OVER TEMPERATURE
Shut down o/p voltage, recovers automatically after temperature goes down

FUNCTION

UNDER VOLTAGE LOCKOUT Start-up voltage
24Vin (F-type): 8.8Vdc, 48Vin (G-type): 17Vdc
UNDER VOLTAGE LOCKOUT Shutdown voltage
24Vin (F-type): 8Vdc, 48Vin (G-type): 16Vdc
REMOTE CONTROL
Power ON: R.C. ~ -Vin >3.5~75Vdc or open circuit ; Power OFF: R.C. ~ -Vin <1.2Vdc or short

ENVIRONMENT

COOLING
Free-air convection
WORKING TEMP.
-40 ~ +85℃ (Refer to "Derating Curve")
CASE TEMPERATURE
+105℃ max.
WORKING HUMIDITY
20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-55 ~ +125℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT
0.03% / ℃ (0 ~ 60℃)
SOLDERING TEMPERATURE
1.5mm from case of 1 ~ 3sec./260℃ max.
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC ( Note.5)

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 (Typ.)
1500pF
EMC EMISSION
ParameterStandardTest Level
ConductedBS EN/EN55032(CISPR32)N/A
RadiatedBS EN/EN55032(CISPR32)Class A
EMC IMMUNITY
ParameterStandardTest Level
ESDBS EN/EN61000-4-2Level 2, ±8KV air, ±4KV contact
Radiated SusceptibilityBS EN/EN61000-4-3Level 2, 3V/m
EFT/BurstsBS EN/EN61000-4-4Level 1, 0.5KV
SurgeBS EN/EN61000-4-5Level 1, 0.5KV Line-Line
ConductedBS EN/EN61000-4-6Level 2, 3V(e.m.f.)
Magnetic FieldBS EN/EN61000-4-8Level 2, 3A/m

OTHERS

MTBF
3.3/5Vout models: 860Khrs, Other models: 1170Khrs MIL-HDBK-217F(25℃)
DIMENSION (L*W*H)
25.4*25.4*10.2mm (1*1*0.4 inch)
CASE MATERIAL
Black coated copper with non-conductive base
PACKING
19.2g ; 12pcs/per tube, 600pcs/50 tube/per carton
Test conditions and notes5
  1. 1.All parameters are specified at normal input(F:24Vdc, G:48Vdc), rated load, 25℃ 70% RH ambient.
  2. 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1μf & 47μf capacitor.
  3. 3.Line regulation is measured from low line to high line at rated load.
  4. 4.Load regulation is measured from 0% to 100% rated load.
  5. 5.The final equipment must be re-confirm that it still meet EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.”(as available on http://www.meanwell.com)

Technical drawings

DKMW30F-12 SKMW30 & DKMW30 series
SKMW30 & DKMW30 series
DKMW30F-12 SKMW30 & DKMW30 series (2)
SKMW30 & DKMW30 series (2)
DKMW30F-12 Plug Assignment
Plug Assignment
DKMW30F-12 Packing
Packing

Typical applications

  • Telecom/ datacom system
  • Wireless network
  • Industrial control facility
  • Instrument
  • Analyzer
  • Detector
  • Data switch

Downloads

FAQ

Can I use the DKMW30F-12 in a 12V vehicle or battery-based control system?

It is suited to systems with a 9-36V input range that need a ±12V constant-voltage output. That makes it relevant for 12V, 24V, or other DC platforms that fall inside that input window. The converter is rated for 30W with ±1.25A output current.

Is this model suitable for industrial electronics powered from a 24V DC bus?

Yes. A 24V source sits inside the 9-36V input range, and the converter provides a ±12V constant-voltage output. With a 30W rating in a 25.4 × 25.4 × 10.2 mm package, it fits lower-power industrial electronics that need voltage conversion on a compact footprint.

Can the DKMW30F-12 power embedded or automation modules that need regulated 12V?

Yes, if the modules require ±12V constant-voltage power and the load stays within 30W and ±1.25A. The 9-36V input range is useful in embedded and automation designs where the available DC supply can vary. Its small size also supports dense layouts.

Is the DKMW30F-12 appropriate for outdoor equipment cabinets?

The operating temperature range of -40°C to +85°C supports wide thermal conditions, but no IP rating is listed for this converter. That means it should not be treated as a weather-exposed or washdown product on its own. A protected enclosure is the better match when environmental sealing is required.

What is the difference between the DKMW30F-12 and DKMW30F-15?

Both are 30W converters with a 9-36V input range, 25.4 × 25.4 × 10.2 mm dimensions, 19.2g weight, -40°C to +85°C operating temperature, and a 3-year warranty. The DKMW30F-12 provides ±12V output at ±1.25A, while the DKMW30F-15 provides ±15V output at ±1A. The input range and package are the same, but the output voltage and current differ.

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Mean Well DKMW30F-12 DC-DC Converter - 30W - 9~36V in ±12V out 1.25A
Mean Well

Mean Well DKMW30F-12 DC-DC Converter - 30W - 9~36V in ±12V out 1.25A

$40.74 USD

DKMW30F-12 is the ±12V output model of this series: rated power 30W, typical efficiency 87%.

SKMW30 and DKMW30 series are 30W isolated and regulated module type DC-DC converter with DIP 1"x1" package. It features international standard pins, a high efficiency up to 90%, wide working temperature range -40~+85℃, 1.5KVDC I/P-O/P isolation voltage, compliance to BS EN/EN55032 radiated Class A without additional components, continuous-mode short circuit, overload, over temperature, input under voltage protection, remote ON/OFF and trimmable output voltage etc. The models account for different input voltage 9~36V and 18~75V 4:1 ultrawide input range, and various output voltage, 3.3V/5V/12V/15V for single output and ±12V/±15V for dual outputs, which are suitable for all kinds of systems, s uch as industrial control, telecommunication field, distributed power architecture, and so on.

Features

  • DIP 1"x1" package with industry standard pinout
  • 4:1 ultrawide input range
  • Operating temperature range -40 ~ +85℃
  • No minimum load required
  • Comply to BS EN/EN55032 radiated Class A without additional components
  • High efficiency up to 90%
  • Protections: Short circuit (Continuous) / Overload / Over voltage / Over temperature / Input under voltage
  • 1.5KVDC I/O isolation
  • Remote ON/OFF control and Triming output (±10%)
  • 3 years warranty

Typical applications

  • Telecom/ datacom system
  • Wireless network
  • Industrial control facility
  • Instrument
  • Analyzer
  • Detector
  • Data switch
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