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Mean Well

Mean Well SD-15C-24 DC-DC Converter - 15W - 36~72V in 24V out 625mA

2:1 wide input range1.5~2KVAC isolation by models
SKU SD-15C-24
$16.28 USD
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Overview

SD-15C-24 is the 24V output model of this series: rated current 0.625A, rated power 15W, typical efficiency 78%.

Features

  • 2:1 wide input range
  • Protections:Short circuit/Over load /voltage
  • Built-in EMI filter, low ripple noise
  • 100% full load burn-in test
  • Low cost
  • High reliability
  • 2 years warranty

Specifications

SD-15C-24Specifications from the official datasheet (2024-11-22 edition)

OUTPUT

DC VOLTAGE
24V
RATED CURRENT
0.625A
CURRENT RANGE
0 ~ 0.625A
RATED POWER
15W
RIPPLE & NOISE (max.)Note.2
150mVp-p
VOLTAGE ADJ.RANGE
21.6~26.4VDC
VOLTAGE TOLERANCENote.3
±1.0%
LINE REGULATION
±0.2%
LOAD REGULATION
±0.2%
SETUP, RISE ,HOLD UP TIME
2.5s, 25ms,--- 12VDC/24VDC/48VDC at full load

INPUT

VOLTAGE RANGE
C:36~72VDC
EFFICIENCY(Typ.)
78%
DC CURRENT(Typ.)
0.45A/48VDC

PROTECTION

OVER LOAD
105 ~160% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE
27.6 ~ 32.4V Protection type : Shut off o/p voltage, clamping by zener diode

ENVIRONMENT

WORKING TEMP.
-10 ~ +60℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-20 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.03%/℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, 60min.each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS
EAC TP TC 004 approved, design refer to AS/NZS 62368.1
WITHSTAND VOLTAGE
I/P-O/P:1.5KVAC I/P-FG:1KVAC O/P-FG:0.5KVAC
ISOLATION RESISTANCE
I/P-O/P,I/P-FG,O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to BS EN/EN55032(CISPR32), EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,6,8, BS EN/EN55035, light industry level, EAC TP TC 020

OTHERS

MTBF
3861.2K hrs min. Telcordia SR-332 (Bellcore) ; 644.2K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
78*51*28mm (L*W*H)
PACKING
0.18Kg,60 PCS/11.8Kg
Test conditions and notes5
  1. 1. All parameters NOT specially mentioned are measured at normal 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. 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 360mm*360mm 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 )
  5. 5. 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

SD-15C-24 Mechanical Specification
Mechanical Specification
SD-15C-24 Block Diagram
Block Diagram

Downloads

FAQ

Can I use the SD-15C-24 for a low-current 24V sensor or relay load from a 48V system?

Yes, this converter fits low-current 24V loads when the source is within the listed 36-72VDC input range. It provides constant-voltage 24V output at up to 0.625A with a 15W rating, so it is intended for lighter auxiliary loads.

Is the SD-15C-24 suitable for small 24V automation accessories in industrial equipment?

It can be suitable for small 24V accessories that remain within 0.625A and 15W. The 36-72VDC input range supports use at higher-voltage DC-DC conversion points where the available source sits within that span.

Would this model work for compact 24V instrumentation modules?

Yes, if the instrumentation module needs constant-voltage 24V and does not exceed 0.625A. The listed 1.5KVAC input-output withstand voltage can also matter in industrial instrumentation where isolation is part of the design requirement.

How does SD-15C-24 compare with the other 15W SD-15C converters?

The SD-15C variants listed are SD-15C-5 at 15W, 5V, 3A; SD-15C-12 at 15W, 12V, 1.25A; and SD-15C-24 at 15W, 24V, 0.625A. The output current decreases as the output voltage changes, while the family stays in the 15W class.

Is the SD-15C-24 rated for exposed outdoor environments?

The operating temperature is specified as -10°C to +60°C, with output derating at higher temperatures per the derating curve. The provided specifications do not show an IP rating, which means dust and water protection are not defined in the product data.

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Mean Well SD-15C-24 DC-DC Converter - 15W - 36~72V in 24V out 625mA
Mean Well

Mean Well SD-15C-24 DC-DC Converter - 15W - 36~72V in 24V out 625mA

$16.28 USD

SD-15C-24 is the 24V output model of this series: rated current 0.625A, rated power 15W, typical efficiency 78%.

Features

  • 2:1 wide input range
  • Protections:Short circuit/Over load /voltage
  • Built-in EMI filter, low ripple noise
  • 100% full load burn-in test
  • Low cost
  • High reliability
  • 2 years warranty
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