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Mean Well

Mean Well MHB100-48S24 DC-DC Converter - 100W - 36~75V in 24V out 4.17A

SKU MHB100-48S24
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Overview

MHB100-48S24 is the 24V output model of this series: rated power 100W, typical efficiency 88%.

Features

  • Half-brick size (2.28"X2.4"X0.5") with industry standard pin out
  • 2:1 wide input range
  • Protections: Short circuit / Over current / Over voltage / Over temperature
  • High efficiency up to 89%
  • 1500VDC I/O isolation
  • Built-in remote ON/OFF control
  • Built-in remote sense function
  • Trimming output ±10%
  • Five-sided shield metal case
  • Optional heat sinks for extended operating temperature
  • Output 3.3V/15V available
  • Approvals: UL / CUL / EAC / CE / UKCA
  • 3 years warranty

Specifications

MHB100-48S24Specifications from the official datasheet (2024-04-30 edition)

OUTPUT

DC VOLTAGE
24V
CURRENT RANGE
0 ~ 4.17A
RATED POWER
100W
RIPPLE & NOISE (max.)Note.2
240mVp-p
VOLTAGE ACCURACYNote.3
±1.0%
LINE REGULATION
±0.2%
LOAD REGULATION
±0.2%
SWITCHING FREQUENCY (Typ.)
500KHz
EXTERNAL TRIM ADJ. RANGE (Typ.)
±10%
EXTERNAL CAPACITIVE LOAD (max.)
4170uF

INPUT

RATED DC INPUT
48VDC
VOLTAGE RANGE
36 ~ 75VDC
SURGE VOLTAGE (100ms max.)
100VDC
UNDER VOLTAGE LOCKOUT
Power up: 34VDC, Power down: 32.5VDC
EFFICIENCY (Typ.)
88%
DC CURRENT FULL LOAD
2465mA
DC CURRENT NO LOAD
50mA
FILTER
Pi-network

PROTECTION

OUTPUT OVER CURRENT
110 ~ 140% rated output power Protection type : Over current limiting, recovers automatically after fault condition is removed
OUTPUT OVER VOLTAGE (Typ.)
115 ~ 140% rated output voltage Protection type : Output voltage clamp
OUTPUT SHORT CIRCUIT
Protection type : Can be continuous, recovers automatically after fault condition is removed
OVER TEMPERATURE
100℃±5℃of case temperature

FUNCTION

REMOTE CONTROL
Please refer to "Remote ON/OFF Control" for details

OPERATING

OUTPUT TRIMMING
±10%, Please refer to "External Output Trimming" for details

ENVIRONMENT

WORKING TEMPERATURE (Typ.)
-40 ~ +100℃ ; Thermal shutdown at 100℃±5℃of case temperature (please refer to "Thermal Curve")
WORKING HUMIDITY
0% ~ 95% RH max.
STORAGE TEMP., HUMIDITY
-55 ~ +105℃, 0 ~ 95% RH
TEMP. COEFFICIENT
±0.03%/℃ (0~60℃)

SAFETY & EMC

SAFETY STANDARDS
UL60950-1, EAC TP TC 020/2011(EAC TP TC 004 for 48Vin type only) approved
ISOLATION VOLTAGE
I/P-O/P:1500VDC, I/P-Case:1500VDC, O/P-Case:1500VDC
ISOLATION RESISTANCE
I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to BS EN/EN55032 (CISPR32) Class A with external components (please refer to "EMC Suggestion Circuit"), EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,5,6,8; BS EN/EN55024, light industry level, criteria A, EAC TP TC 020

OTHERS

CASE MATERIAL
Aluminum
MTBF
900K hrs typ. MIL-HDBK-217F (25℃)
DIMENSION
57.9*61*12.7mm (2.28"*2.40"*0.5") (L*W*H)
PACKING
95g ; 12pcs/EPE, 60pcs/5 per carton
Test conditions and notes4
  1. 1. All parameters NOT specially mentioned are measured at 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 1uf ceramic & 10uf tantalum capacitor across output.
  3. 3. The power supply need to connect "+Vout" to "+R.S" and "-Vout" to "-R.S".
  4. 4. The power supply is considered a component which will be installed into a final equipment. 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."

Technical drawings

MHB100-48S24 MHB100 series
MHB100 series
MHB100-48S24 Remote ON/OFF Control
Remote ON/OFF Control
MHB100-48S24 +Vin
+Vin
MHB100-48S24 Output
Output
MHB100-48S24 Thermal Curve
Thermal Curve
MHB100-48S24 Case Heat Sink (Optional)
Case Heat Sink (Optional)
MHB100-48S24 Heatsink Assembly
Heatsink Assembly
MHB100-48S24 Packing
Packing

Downloads

FAQ

Can I use the MHB100-48S24 to supply 24V automation equipment from a 36-75VDC source?

Yes, this model is designed for 36-75VDC input and constant 24V output. Its 4.17A output current and 100W power rating make it suitable for 24V automation and control loads within those limits.

Is the MHB100-48S24 a fit for 24V industrial communications or control modules?

It can be a fit for 24V industrial electronics that require a fixed-voltage supply and draw no more than 4.17A or 100W. Compared with the 5V and 12V versions, this model is aligned with 24V constant-voltage loads.

Can this converter power 24V embedded subsystems inside compact equipment?

Yes, if the subsystem needs constant 24V and remains within 4.17A output current and 100W total power. The 61.0 x 57.9 x 12.7 mm dimensions and 0.095 kg weight also support compact builds.

Is the MHB100-48S24 suitable for harsh temperature conditions or outdoor use?

The operating range is specified as -40°C to +100°C case temperature, with thermal shutdown at 100°C±5°C and derating or cooling per the thermal curve. However, no IP rating appears in the provided specs, which means the listed data does not confirm direct outdoor, washdown, or weather-exposed use.

How does the MHB100-48S24 compare with other MHB100 series converters?

All listed siblings are 100W converters, and the differences are the input family and output rating. The series includes 24S and 48S input versions, each offered in 5V 20A, 12V 8.3A, and 24V 4.17A outputs, with this unit being the 48S 24V 4.17A model.

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Mean Well MHB100-48S24 DC-DC Converter - 100W - 36~75V in 24V out 4.17A
Mean Well

Mean Well MHB100-48S24 DC-DC Converter - 100W - 36~75V in 24V out 4.17A

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MHB100-48S24 is the 24V output model of this series: rated power 100W, typical efficiency 88%.

Features

  • Half-brick size (2.28"X2.4"X0.5") with industry standard pin out
  • 2:1 wide input range
  • Protections: Short circuit / Over current / Over voltage / Over temperature
  • High efficiency up to 89%
  • 1500VDC I/O isolation
  • Built-in remote ON/OFF control
  • Built-in remote sense function
  • Trimming output ±10%
  • Five-sided shield metal case
  • Optional heat sinks for extended operating temperature
  • Output 3.3V/15V available
  • Approvals: UL / CUL / EAC / CE / UKCA
  • 3 years warranty
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