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Mean Well

Mean Well MHB100-24S12 DC-DC Converter - 100W - 18~36V in 12V out 8.3A

SKU MHB100-24S12
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Overview

MHB100-24S12 is the 12V output model of this series: rated power 100W, typical efficiency 87%.

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

MHB100-24S12Specifications from the official datasheet (2024-04-30 edition)

OUTPUT

DC VOLTAGE
12V
CURRENT RANGE
0 ~ 8.3A
RATED POWER
100W
RIPPLE & NOISE (max.)Note.2
150mVp-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.)
8300uF

INPUT

RATED DC INPUT
24VDC
VOLTAGE RANGE
18 ~ 36VDC
SURGE VOLTAGE (100ms max.)
50VDC
UNDER VOLTAGE LOCKOUT
Power up: 17VDC, Power down: 16VDC
EFFICIENCY (Typ.)
87%
DC CURRENT FULL LOAD
4880mA
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

MHB100-24S12 MHB100 series
MHB100 series
MHB100-24S12 Remote ON/OFF Control
Remote ON/OFF Control
MHB100-24S12 +Vin
+Vin
MHB100-24S12 Output
Output
MHB100-24S12 Thermal Curve
Thermal Curve
MHB100-24S12 Case Heat Sink (Optional)
Case Heat Sink (Optional)
MHB100-24S12 Heatsink Assembly
Heatsink Assembly
MHB100-24S12 Packing
Packing

Downloads

FAQ

Can I use the MHB100-24S12 to power a 12V industrial controller from an 18-36VDC source?

Yes, this model is built for 18-36VDC input and provides a constant 12V output. Its 100W rating and 8.3A output make it suitable for 12V control electronics, embedded boards, and automation devices that stay within those limits.

Is this converter suitable for 12V embedded computing or edge devices in industrial equipment?

It can fit 12V embedded or edge hardware when the load needs constant 12V and does not exceed 8.3A or 100W. The compact 61.0 x 57.9 x 12.7 mm size and 0.095 kg weight also help where board space and weight are limited.

Can this model support 12V automation sensors, relays, or HMI electronics?

It is intended for constant-voltage 12V loads and can supply up to 8.3A with a total power limit of 100W. That makes it a practical fit for grouped 12V automation electronics powered from an 18-36VDC source.

Is the MHB100-24S12 suitable for outdoor or harsh-temperature use?

The operating range is -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 is listed in the provided specs, so the datasheet details here do not confirm direct outdoor or water-exposed use.

How does the MHB100-24S12 compare with other MHB100 series options?

Within the listed siblings, all models are rated at 100W. The 24S input group includes MHB100-24S05 at 5V 20A, MHB100-24S12 at 12V 8.3A, and MHB100-24S24 at 24V 4.17A, while the 48S input group includes MHB100-48S05 at 5V 20A, MHB100-48S12 at 12V 8.3A, and MHB100-48S24 at 24V 4.17A.

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Mean Well MHB100-24S12 DC-DC Converter - 100W - 18~36V in 12V out 8.3A
Mean Well

Mean Well MHB100-24S12 DC-DC Converter - 100W - 18~36V in 12V out 8.3A

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MHB100-24S12 is the 12V output model of this series: rated power 100W, typical efficiency 87%.

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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