Over 15 years experience of providing support of MEAN WELL Power Supplies
Overview
MHB75-12S05 is the 5V output model of this series: rated power 75W, typical efficiency 83%.
Features
- Half-brick size (2.28"×2.4"×0.5") 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
OUTPUT
- DC VOLTAGE
- 5V
- CURRENT RANGE
- 0 ~ 15A
- RATED POWER
- 75W
- RIPPLE & NOISE (max.)Note.2
- 75mVp-p
- VOLTAGE ACCURACYNote.3
- ±1.0%
- LINE REGULATION
- ±0.2%
- LOAD REGULATION
- ±0.2%
- SWITCHING FREQUENCY (Typ.)
- 400KHz for 12/24Vin, 300KHz for 48Vin
- EXTERNAL TRIM ADJ. RANGE (Typ.)
- ±10%
- EXTERNAL CAPACITIVE LOAD (max.)
- 10000uF
INPUT
- RATED DC INPUT
- 12VDC
- VOLTAGE RANGE
- 9 ~ 18VDC
- SURGE VOLTAGE (100ms max.)
- 25VDC
- UNDER VOLTAGE LOCKOUT
- Power up: 8.8VDC, Power down: 8VDC
- EFFICIENCY (Typ.)
- 83%
- DC CURRENT FULL LOAD
- 7570mA
- DC CURRENT NO LOAD
- 50mA
- FILTER
- Pi-network
PROTECTION
- OUTPUT OVER CURRENT
- 110 ~ 150% 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 by TVS diode
- 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
- 1000K 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. All parameters NOT specially mentioned are measured at 12,24,48VDC input, rated load and 25℃ of ambient temperature.
- 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. The power supply need to connect "+Vout" to "+R.S" and "-Vout" to "-R.S".
- 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
Downloads
FAQ
Can I use the MHB75-12S05 to derive 5V power from a 12V battery-based industrial system?
This converter is designed for a 9-18V input range and provides constant 5V output, which matches 12V-class source systems. It is rated for 75W total power and up to 15A output current.
Is this model suitable for powering 5V embedded processors or control boards in mobile equipment?
It fits 5V electronics that need a regulated supply from a 9-18V source. The converter can deliver up to 15A at 5V with a total power rating of 75W.
Can the MHB75-12S05 support 5V sensor aggregation or industrial I/O logic from a 12V-class bus?
Yes, it accepts 9-18V input and outputs constant 5V for low-voltage control or sensing electronics. The output rating is 15A, with 75W total available power.
Would this converter be appropriate for compact embedded systems where board space is limited?
Its dimensions are 61.0 × 57.9 × 12.7 mm and its weight is 95 g, so it is relatively compact for enclosed equipment. Electrically, it provides constant 5V output up to 15A from a 9-18V input.
Is the MHB75-12S05 suitable for outdoor use?
The operating range is specified as -40°C to +100°C case temperature, with thermal shutdown at 100°C ±5°C, but no IP rating is listed in the specs. It is a component meant to be installed inside final equipment, so resistance to rain, dust, or direct exposure must come from the end enclosure.
Payment & Security
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Other MHB75 Models
8 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well MHB75-48S24 DC-DC Converter - 75W - 36~72V in 24V out 3.13A | 75W | 24V | 3.13A | IP20 | View |
| Mean Well MHB75-48S12 DC-DC Converter - 75W - 36~72V in 12V out 6.25A | 75W | 12V | 6.25A | IP20 | View |
| Mean Well MHB75-48S05 DC-DC Converter - 75W - 36~72V in 5V out 15A | 75W | 5V | 15A | IP20 | View |
| Mean Well MHB75-24S24 DC-DC Converter - 75W - 18~36V in 24V out 3.13A | 75W | 24V | 3.13A | IP20 | View |
| Mean Well MHB75-24S12 DC-DC Converter - 75W - 18~36V in 12V out 6.25A | 75W | 12V | 6.25A | IP20 | View |
| Mean Well MHB75-24S05 DC-DC Converter - 75W - 18~36V in 5V out 15A | 75W | 5V | 15A | IP20 | View |
| Mean Well MHB75-12S24 DC-DC Converter - 75W - 9~18V in 24V out 3.13A | 75W | 24V | 3.13A | IP20 | View |
| Mean Well MHB75-12S12 DC-DC Converter - 75W - 9~18V in 12V out 6.25A | 75W | 12V | 6.25A | IP20 | View |
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