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Mean Well DKM30G-12N 2"x1" Package DC-DC Converter 30W 12V, Single Output 1.25A

SKU DKM30G-12N

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Overview

DKM30G-12N is the ±12V output model of this series: rated power 30W, typical efficiency 89%.

SKM30-N and DKM30-N series are 30W isolated and regulated module type DC-DC converter with DIP 2"x1" package. It features international standard pins, a high efficiency up to 89%, wide working temperature range -40~+90℃, 3KVDC I/P-O/P isolation voltage, compliance to BS EN/EN55032 radiated Class A without additional components, continuous-mode short circuit, overload, over 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, 5V/12V/15V for single output and ±12V/±15V for dual outputs, which are suitable for all kinds of systems, such as industrial control, telecommunication field, distributed power architecture, and so on.

Features

DIP 2"x1" package with industry standard pinout
4:1 ultrawide input range
Operating temperature range -40 ~ +90℃
(-40 ~ +60℃ no derating)
No minimum load required
Comply to BS EN/EN55032 radiated Class A without additional components
High efficiency up to 89%
Protections: Short circuit (Continuous) / Overload / Over voltage
3KVDC I/O isolation
Remote ON/OFF control and Trimming output (±10%)
Screw terminal type available (Optional)
24Vdc model available (Only single output optional)
3 years warranty

Specifications

DKM30G-12NSpecifications from the official datasheet (2024-11-18 edition)

MODEL SELECTION TABLE

INPUT VOLTAGE (RANGE): Nominal 24V, 48V (18 ~ 75V)
INPUT CURRENT NO LOAD: 25mA
INPUT CURRENT FULL LOAD: 1400mA
OUTPUT VOLTAGE: ±12V
OUTPUT CURRENT: ±0~1250mA
EFFICIENCY (TYP.): 89%
CAPACITOR LOAD (MAX.)^{* For each output}: *150μF

INPUT

VOLTAGE RANGE: 18~75Vdc
FILTER: Pi network
PROTECTION: Fuse recommended (24Vin : 6A Slow-Blow type, 48Vin: 4A Slow-Blow)

OUTPUT

VOLTAGE ACCURACY: ±2% max.
RATED POWER: 30W
RIPPLE & NOISE^Note.2: 150mVp-p max.
LINE REGULATION^Note.3: ±0.2%
LOAD REGULATION^Note.4: ±0.5%
SWITCHING FREQUENCY (Typ.): 380KHz
EXTERNAL TRIM ADJ. RANGE (Typ.): ±10% (Single output model only)

PROTECTION

SHORT CIRCUIT: Protection type : Continuous, automatic recovery
OVERLOAD: 110 ~ 230% Protection type : Recovers automatically after fault condition is removed
OVER VOLTAGE INPUT: Protection type : Shutdown output voltage (F type : 40Vdc typ. , G type: 86Vdc typ.)
OVER VOLTAGE OUTPUT: Clamp by TVS diodes

FUNCTION

REMOTE CONTROL: Power ON: R.C. ~ -Vin >2.5~5Vdc or open circuit ; Power OFF: R.C. ~ -Vin <1Vdc or short

ENVIRONMENT

COOLING: Free-air convection
WORKING TEMP.: -40 ~ +90℃ (Refer to "Derating Curve")
CASE TEMPERATURE: +110℃ max.
WORKING HUMIDITY: 5% ~ 95% RH non-condensing
STORAGE TEMP., HUMIDITY: -55 ~ +125℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT: ±0.05% / ℃
SOLDERING TEMPERATURE: 1.5mm from case of 3 ~ 5 sec./265℃ max.
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:3KVDC
ISOLATION RESISTANCE: I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
ISOLATION CAPACITANCE (Typ.): 1000pF
EMC EMISSION: Parameter Standard Test Level

Conducted BS EN/EN55032(CISPR32) N/A
Radiated BS EN/EN55032(CISPR32) Class A
EMC IMMUNITY: Parameter Standard Test Level

ESD BS EN/EN61000-4-2 ±4KV contact
Radiated Susceptibility BS EN/EN61000-4-3 3V/m
EFT/Bursts BS EN/EN61000-4-4 Level 1, 0.5KV
Surge BS EN/EN61000-4-5 ±0.5KV Line-Line
Conducted BS EN/EN61000-4-6 3V(e.m.f.)

Parameter	Standard	Test Level
Conducted	BS EN/EN55032(CISPR32)	N/A
Radiated	BS EN/EN55032(CISPR32)	Class A

Parameter	Standard	Test Level
ESD	BS EN/EN61000-4-2	±4KV contact
Radiated Susceptibility	BS EN/EN61000-4-3	3V/m
EFT/Bursts	BS EN/EN61000-4-4	Level 1, 0.5KV
Surge	BS EN/EN61000-4-5	±0.5KV Line-Line
Conducted	BS EN/EN61000-4-6	3V(e.m.f.)

OTHERS

MTBF: >250Khrs MIL-HDBK-217F(25℃)
DIMENSION (L*W*H): 50.8*25.4*11.2mm (2*1*0.44 inch)
CASE MATERIAL: Six-side shielded case
PACKING: Blank Type: 31g ; 10pcs/per tube, 400pcs/40 tube/per carton ST Type: 50g ; 10pcs/Box, 120pcs/12 Box/per carton

Test conditions and notes5

1.All parameters are specified at normal input(F:12Vdc, G:24Vdc), rated load, 25℃ 70% RH ambient.
2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1μf & 47μf capacitor.
3.Line regulation is measured from low line to high line at rated load.
4.Load regulation is measured from 0% to 100% rated load.
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

DKM30G-12N SKM30-N & DKM30-N series — SKM30-N & DKM30-N series

DKM30G-12N SKM30-N & DKM30-N series (2) — SKM30-N & DKM30-N series (2)

DKM30G-12N SKM30-N & DKM30-N series (3) — SKM30-N & DKM30-N series (3)

DKM30G-12N Mechanical Specification — Mechanical Specification

DKM30G-12N Standard Packing — Standard Packing

Typical applications

Downloads

::specification::

FAQ

What are the main output specifications of the Mean Well DKM30G-12N?

The DKM30G-12N is a 30W dual-output DC-DC converter with a ±12V DC output. Its rated output current is ±1.25A. This model is designed as a compact modular converter in a 2"x1" package.

Does the DKM30G-12N support a wide input range?

Yes. This model has a 4:1 ultrawide input range, which gives more flexibility than converters with narrower input windows. That makes it easier to use in systems where the available DC input can vary within a broad range.

Can the Mean Well DKM30G-12N operate in demanding temperature conditions?

This converter is rated for operation from -40°C to +90°C. Mean Well also specifies no derating from -40°C to +60°C. That makes it a practical option for equipment exposed to both cold-start and elevated ambient conditions.

What protection features are included in the DKM30G-12N?

The DKM30G-12N includes protection for short circuit, overload, and over voltage. Short-circuit protection is specified as continuous. It also provides 3KVDC input-to-output isolation for added electrical separation.

Does this DC-DC converter require a minimum load to regulate properly?

No. Mean Well specifies that the DKM30G-12N does not require a minimum load. That can simplify product selection for designs where the output demand may be light or variable.

Does the DKM30G-12N offer any control or adjustment features?

Yes. This model supports remote ON/OFF control. Note that output trimming is available on single-output models only, so this dual-output unit does not support external trimming.

What efficiency and warranty does the Mean Well DKM30G-12N provide?

The DKM30G-12N has efficiency up to 89%, which helps reduce wasted power and heat in compact designs. Mean Well lists this model with a 3-year warranty. For buyers comparing 30W modular converters, those are meaningful indicators of long-term value.

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Model	Power	Voltage	Current	IP Rating
Mean Well DKM30G-15N 2"x1" Package DC-DC Converter 30W 15V, Single Output 1A	30W	15V	1A	IP20	View
Mean Well DKM30F-15N 2"x1" Package DC-DC Converter 30W 15V, Single Output 1A	30W	15V	1A	IP20	View
Mean Well DKM30F-12N 2"x1" Package DC-DC Converter 30W 12V, Single Output 1.25A	30W	12V	1.25A	IP20	View

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