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Mean Well

Mean Well SKM50C-05 DC-DC Converter - 50W - 36~75V in 5V out 10A

SKU SKM50C-05
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Overview

SKM50C-05 is the 5V output model of this series: rated power 50W, typical efficiency 91%.

Features

  • 2"x1" compact size
  • 2:1 wide input range
  • High efficiency up to 92%
  • 1500VDC I/O isolation
  • Built-in remote ON/OFF control
  • Built-in trimming output
  • Comply with CE / FCC without external components
  • Protections: Short circuit / Overload / Input and Output Over voltage
  • Cooling by free air convection
  • Six-sided shield metal case
  • 100% burn-in test
  • Low cost / High reliability
  • Approvals: FCC / EAC / CE / UKCA
  • 2 years warranty

Specifications

SKM50C-05Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
5V
CURRENT RANGE
1 ~ 10A
RATED POWER
50W
RIPPLE & NOISE (max.)Note.2
60mVp-p
LINE REGULATIONNote.3
±0.2%
LOAD REGULATIONNote.4
±0.5%
VOLTAGE ACCURACY
±2.0%
SWITCHING FREQUENCY
300KHz typ.
EXTERNAL CAPACITANCE LOAD (max.)
1000uF
EXTERNAL TRIM Adj. RANGE(Typ.)
±10%

INPUT

VOLTAGE RANGE
C: 36 ~ 75VDC
UNDER VOLTAGE SHUTDOWN
C: 32VDC
EFFICIENCY (Typ.)
91%
DC CURRENT Full load
1160mA
DC CURRENT No load
60mA
FILTER
Pi network
REMOTE CONTROL
Power ON : R.C ~ -Vin > 2.5V ~ 30VDC or open circuit ; Power OFF : R.C ~ -Vin < 0.5VDC or short
PROTECTION
Fuse recommended

PROTECTION (Note. 5)

OVER CURRENT
110% ~ 180% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
SHORT CIRCUIT
All output equipped with short circuit Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE Input(Typ.)
>80 ~ 100VDC input voltage Protection type : Shut down o/p voltage, recovers automatically after fault condition is removed
OVER VOLTAGE Output(Typ.)
5Vo : 7V ~ 8.95V ; 12Vo : 15V ~ 19.2V ; 15Vo : 18V ~ 23.3V Protection type : Clamp by TVS diode

ENVIRONMENT

WORKING TEMP.
-40 ~ +75℃ (Refer to "Derating Curve")
CASE TEMP.
+115℃ max.
WORKING HUMIDITY
20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-55 ~ +125℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.03% / ℃ (0 ~ 55℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS
EAC TP TC 020/2011 (EAC TP TC 004 for 48Vin type only) approved
WITHSTAND VOLTAGE
I/P-O/P:1.5KVDC
ISOLATION RESISTANCE
I/P-O/P: 100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSIONNote.5
Compliance to BS EN/EN55032 Class A, FCC part 15 Class A without external components , EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,5,6,8, light industry level, criteria A , EAC TP TC 020

OTHERS

MTBF
700Khrs min. MIL-HDBK-217F(25℃)
DIMENSION
50.8*25.4*13.7 mm or 2"*1"*0.54" inch (L*W*H)
PACKING
43g ; 10pcs/per tube, 320pcs/32 tube/per carton
Test conditions and notes6
  1. 1.All parameters are specified at normal input, rated load, 25℃ 70% RH ambient.
  2. 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf & 47uf capacitor.
  3. 3.Line regulation is measured from low line to high line at rated load.
  4. 4.Load regulation is measured from 10% to 100% rated load.
  5. 5.Consult MEAN WELL for deployment of Class B.
  6. 6.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds.

Technical drawings

SKM50C-05 Mechanical Specification
Mechanical Specification
SKM50C-05 Packing
Packing

Downloads

FAQ

Can I use the SKM50C-05 to derive 5V power for embedded controllers from a 36-75VDC source?

Yes, this model is designed for constant-voltage 5V output from a 36-75VDC input range. It can deliver up to 10A with a 50W rating, which suits higher-current 5V embedded or logic-driven loads within that limit.

Is the SKM50C-05 suitable for industrial logic boards or digital electronics that need a heavier 5V rail?

It is a stronger fit than lower-current 5V converters because it is rated for 10A at 5V, up to 50W total. That makes it relevant for digital electronics, controller boards, or processing hardware that need a constant 5V supply from a 36-75VDC input source.

Can this model support 5V loads in automation or telecom-adjacent equipment with a 36-75VDC input range?

It can, as long as the downstream load needs constant-voltage 5V and remains within 10A and 50W. The 36-75VDC input range is the key fit factor for systems already operating in that available supply window.

Is the SKM50C-05 a good choice for compact 5V power conversion inside dense equipment?

It is suited to compact designs because the body is only 50.8 × 25.4 × 13.7 mm and weighs 0.043 kg. Those dimensions can help in dense electronic assemblies where a constant 5V, 10A output is needed without moving to a larger form factor.

What is the difference between the SKM50C-05 and other SKM50C versions?

The listed SKM50C siblings all share a 50W rating and 36-75VDC input range, but the outputs differ. The SKM50C-05 is 5V at 10A, the SKM50C-12 is 12V at 4.17A, and the SKM50C-15 is 15V at 3.33A. Selection comes down to the output voltage your load requires and the corresponding current available.

Can the SKM50C-05 be used in harsh temperature conditions or outdoor equipment?

Its operating temperature range is -40°C to +75°C, which supports use across a broad temperature span. The published specs do not include an IP rating, so the temperature range is defined, but exposed outdoor suitability is not established by the listed data alone.

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Mean Well SKM50C-05 DC-DC Converter - 50W - 36~75V in 5V out 10A
Mean Well

Mean Well SKM50C-05 DC-DC Converter - 50W - 36~75V in 5V out 10A

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SKM50C-05 is the 5V output model of this series: rated power 50W, typical efficiency 91%.

Features

  • 2"x1" compact size
  • 2:1 wide input range
  • High efficiency up to 92%
  • 1500VDC I/O isolation
  • Built-in remote ON/OFF control
  • Built-in trimming output
  • Comply with CE / FCC without external components
  • Protections: Short circuit / Overload / Input and Output Over voltage
  • Cooling by free air convection
  • Six-sided shield metal case
  • 100% burn-in test
  • Low cost / High reliability
  • Approvals: FCC / EAC / CE / UKCA
  • 2 years warranty
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