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Mean Well

Mean Well SDM30-24S12 DC-DC Converter - 30W - 18~36V in 12V out 2.5A

SKU SDM30-24S12
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Overview

SDM30-24S12 is the 12V output model of this series: rated current 2.5A, rated power 30W, typical efficiency 82%.

Features

  • Wide 2:1 DC input range
  • In/out capacitance1000pF
  • Protections: Short circuit / Overload/ Over voltage
  • 1000VDC I/O isolation for D/D
  • Cooling by free air convection
  • Built-in remote ON-OFF control
  • 100% full load burn-in test
  • Fixed switching frequency at 225KHz
  • Low cost
  • High reliability
  • 2 years warranty

Specifications

SDM30-24S12Specifications from the official datasheet (2024-11-22 edition)

OUTPUT

DC VOLTAGE
12V
RATED CURRENT
2.5A
CURRENT RANGE
0 ~ 2.5A
RATED POWER
30W
RIPPLE & NOISE (max.)Note.2
100mVp-p
VOLTAGE TOLERANCENote.3
±2.0% max.
LINE REGULATION
±1.0%
LOAD REGULATION
±1.0%
TRIM OUTPUT
±13%(Typ.) output voltage

INPUT

RATED DC INPUT
12S: 12VDC 24S: 24VDC 48S: 48VDC
VOLTAGE RANGE
12S: 9.2 ~ 18VDC 24S: 18~ 36VDC 48S: 36~ 72VDC
EFFICIENCY (Typ.)
82%
DC CURRENT
12S:3.6A 24S:2A 48S:1A
IDLE CURRENT
12S:35mA 24S/48S:30mA

PROTECTION

OVERLOAD
Above 105% rated output power Protection type : Over power limiting, recovers automatically after fault condition is removed
OVER VOLTAGE
13.8 ~ 18V Protection type : Shut off o/p voltage, clamping by zener diode
SHORT CIRCUIT
Protection type : Constant current limiting, recovers automatically after fault condition is removed

FUNCTION

ON/OFF CONTROL
Logic "1" or open: power on Logic "0" short to Vin-: power off

ENVIRONMENT

WORKING TEMP.
-25 ~ +85℃ (Refer to "Derating Curve")
STORAGE TEMP., HUMIDITY
-25 ~ +85℃, 0 ~ 95% RH
TEMP. COEFFICIENT
±0.03%/℃ (0~50℃)

SAFETY & EMC (Note 6)

SAFETY STANDARDS
Design refer to LVD, EAC TP TC 004 approved
ISOLATION VOLTAGE
I/P-O/P:1KVDC
ISOLATION RESISTANCE
I/P-O/P:100M Ohms / 500VDC / 25℃ / 70% RH
EMC EMISSION
Compliance to BS EN/EN55032 (CISPR32) Class B, EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/EN61000-2,3,4,6,8, BS EN/EN55035, light industry level, EAC TP TC 020

OTHERS

MTBF
8083.5K hrs min. Telcordia SR-332 (Bellcore) ; 777.2K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
50.8*50.8*16mm (2"*2"*0.63") (L*W*H)
PACKING
0.1Kg; 150pcs/15.8Kg/0.94CUFT
Test conditions and notes7
  1. 1. All parameters NOT specially mentioned are measured at 12,24,48VDC input, rated load and 25℃ of ambient temperature.
  2. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
  3. 3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. 4. Short circuit not more than 60 second.
  5. 5. DC source wires ≧5cm, an input external al capacitor 47 ~ 100uF is required.
  6. 6. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 230mm*230mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
  7. 7. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).

Technical drawings

SDM30-24S12 Block Diagram
Block Diagram
SDM30-24S12 Derating Curve
Derating Curve

Downloads

FAQ

Can I use the SDM30-24S12 for 12V industrial control loads on equipment with 24V-class DC available?

Yes, when the source is within the stated 18-36VDC input range and the load needs constant 12V within 30W and 2.5A. That makes it suitable for regulated 12V control loads in industrial and automation systems that stay inside those limits.

Is the SDM30-24S12 a fit for 12V relays, sensors, or interface modules in automation panels?

It can be, provided the combined 12V load does not exceed 2.5A or 30W. Its constant-voltage 12V output is intended for loads that need a stable 12V rail from an 18-36VDC input source.

Can this model support a small 12V HMI or display subsystem?

It is appropriate for 12V electronics that operate within the converter's 30W maximum output and 2.5A current rating. Buyers should match the display subsystem's 12V demand to those published limits.

Is the SDM30-24S12 suitable for indoor-only use, or can it handle wider temperature conditions?

The operating temperature range is listed as -25°C to +85°C, so it is specified for a wide temperature span. The provided specs do not include an IP rating, so these specs do not confirm exposed outdoor or wet-location suitability by themselves.

What are the main differences between the SDM30-24S12 and the other SDM30 siblings?

Across the listed siblings, the series includes 3.3V models at 16.5W and 5A, 5V models at 25W and 5A, 12V models at 25.2W and 2.1A or 30W at 2.5A, and 15V models at 25.5W and 1.7A or 30W at 2A. Input groups are 9.2-18V for 12S, 18-36V for 24S, and 36-72V for 48S, with the SDM30-24S12 being the 12V, 30W, 2.5A version in the 18-36V input family.

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Mean Well SDM30-24S12 DC-DC Converter - 30W - 18~36V in 12V out 2.5A
Mean Well

Mean Well SDM30-24S12 DC-DC Converter - 30W - 18~36V in 12V out 2.5A

Log in to see price

SDM30-24S12 is the 12V output model of this series: rated current 2.5A, rated power 30W, typical efficiency 82%.

Features

  • Wide 2:1 DC input range
  • In/out capacitance1000pF
  • Protections: Short circuit / Overload/ Over voltage
  • 1000VDC I/O isolation for D/D
  • Cooling by free air convection
  • Built-in remote ON-OFF control
  • 100% full load burn-in test
  • Fixed switching frequency at 225KHz
  • Low cost
  • High reliability
  • 2 years warranty
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