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Mean Well SD-100A-24 DC-DC Converter - 100W - 9.5~18V in 24V out 4.2A

SKU SD-100A-24
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Overview

SD-100A-24 is the 24V output model of this series: rated current 4.2A, rated power 100.8W, typical efficiency 84%.

Features

  • 2:1 wide input range
  • Protections: Short circuit / Overload / Over voltage
  • 1500VAC I/O isolation
  • Built-in EMI filter, low ripple noise
  • Low cost
  • High reliability
  • 2 years warranty

Specifications

SD-100A-24Specifications from the official datasheet (2024-11-22 edition)

OUTPUT

DC VOLTAGE
24V
RATED CURRENT
4.2A
CURRENT RANGE
0 ~ 4.2A
RATED POWER
100.8W
RIPPLE & NOISE (max.)Note.2
150mVp-p
VOLTAGE ADJ. RANGE
23 ~ 30VDC
VOLTAGE TOLERANCENote.3
±1.0%
LINE REGULATION
±0.2%
LOAD REGULATION
±0.2%
SETUP, RISE TIME
2s, 50ms(only D mode) at full load
HOLD UP TIME (Typ.)
20ms(only D mode) at full load

INPUT

VOLTAGE RANGE
A:9.5 ~ 18VDC
EFFICIENCY (Typ.)
84%
DC CURRENT (Typ.)
10A/12V
INRUSH CURRENT (Typ.)
D:18A/96VDC
LEAKAGE CURRENT
<0.75mA/120VAC(SD-100D)

PROTECTION

OVERLOAD
105 ~ 135% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE
31.5 ~ 37.5V/5% load Protection type : Hiccup mode, recovers automatically after fault condition is removed

ENVIRONMENT

WORKING TEMP.
-15 ~ +60℃(SD-100A), -10 ~ +60℃(SD-100B/C/D) (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-20 ~ +85℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT
±0.03%/℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes

SAFETY & EMC (Note 4)

SAFETY STANDARDS
IEC/BS EN/EN 62368-1(for D type only), EAC TP TC 004 approved, design refer to AS/NZS 62368.1
WITHSTAND VOLTAGE
I/P-O/P:1.5KVAC I/P-FG:1.5KVAC 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) Class B, 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
2600.2K hrs min. Telcordia SR-332 (Bellcore) ; 399.9K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
199*98*38mm (L*W*H)
PACKING
0.65Kg; 20pcs/13.8Kg/0.85CUFT
Test conditions and notes5
  1. 1. All parameters NOT specially mentioned are measured at 12,24,48,96VDC 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-100A-24 S D - 1 0 0 series
S D - 1 0 0 series
SD-100A-24 INPUT ※
INPUT ※
SD-100A-24 Block Diagram
Block Diagram
SD-100A-24 Derating Curve
Derating Curve

Downloads

FAQ

Can I use the SD-100A-24 for 24V PLC or control-panel loads from a low-voltage DC source?

Yes, it delivers constant voltage 24V output from a listed 9-18V input range. Its output is rated for 4.2A and 100.8W, which suits moderate-power 24V DC loads.

Is the SD-100A-24 appropriate for 24V automation devices in mobile or battery-backed systems?

It can be used where the source stays within the listed 9-18V range and the load requires 24V DC. The converter is rated for up to 4.2A output current and 100.8W total output power.

Can this model support 24V embedded or industrial communication equipment?

Yes, it is intended for constant voltage 24V applications that stay within its 100.8W limit. The unit provides up to 4.2A, so it is better suited to lower-power 24V equipment than to heavier 24V loads.

Is the SD-100A-24 suitable for outdoor use or unconditioned indoor spaces?

The listed operating temperature range is -15°C to +60°C, which defines the environmental range in the specs. No IP rating is shown, so the product information does not describe it as weatherproof or outdoor-rated.

How does the SD-100A-24 compare with the other SD-100A versions?

The SD-100A-5 is rated at 100W, 5V, 18A, the SD-100A-12 is rated at 102W, 12V, 8.5A, and the SD-100A-24 is rated at 100.8W, 24V, 4.2A. They are all in the same product group, with the main difference being the output voltage and corresponding current.

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Mean Well SD-100A-24 DC-DC Converter - 100W - 9.5~18V in 24V out 4.2A
Mean Well

Mean Well SD-100A-24 DC-DC Converter - 100W - 9.5~18V in 24V out 4.2A

SD-100A-24 is the 24V output model of this series: rated current 4.2A, rated power 100.8W, typical efficiency 84%.

Features

  • 2:1 wide input range
  • Protections: Short circuit / Overload / Over voltage
  • 1500VAC I/O isolation
  • Built-in EMI filter, low ripple noise
  • Low cost
  • High reliability
  • 2 years warranty
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