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Mean Well SKM10C-03 DC-DC Converter - 10W - 36~75V in 3.3V out 2.5A

Name: Mean Well SKM10C-03 DC-DC Converter - 10W - 36~75V in 3.3V out 2.5A
Brand: Mean Well
SKU: SKM10C-03
Price: 22.9 USD
Availability: InStock

SKU SKM10C-03

$22.90 USD

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Overview

SKM10C-03 is the 3.3V output model of this series: rated power 10W, typical efficiency 81%.

SKM10 and DKM10 series are 10W isolated and regulated module type DC-DC converter with DIP 1"x1" package. It features international standard pins, a high efficiency up to 90%, wide working temperature range -40~+85℃, 1.5KVDC I/P-O/P isolation voltage, Compliance to BS EN/EN55032 radiated Class A without additional components , continuous-mode short circuit protection, etc. The models account for different input voltage 4.7~9V, 9~18V, 18~36V and 36~75V 2:1 wide input range, and various output voltage, 3.3V/5V/12V/15V for single output and ±5V/±12V/±15V for dual outputs, which are suitable for all kinds of systems, such as industrial control, telecommunication field, distributed power architecture, and so on.

Features

DIP 1"x1" package with industry standard pinout
2:1 wide input range
Operating temperature range -40 ~ +85℃
No minimum load required
Comply to BS EN/EN55032 radiated Class A without additional components
High efficiency up to 90%
Protections: Short circuit (Continuous) / Overload / Over voltage / Input under voltage
1.5KVDC I/O isolation
Remote ON/OFF control and Triming output (±10%)
3 years warranty

Specifications

SKM10C-03Specifications from the official datasheet (2024-04-30 edition)

MODEL SELECTION TABLE

INPUT VOLTAGE (RANGE): 48V (36 ~ 75V)
INPUT CURRENT NO LOAD: 15mA
INPUT CURRENT FULL LOAD: 213mA
OUTPUT VOLTAGE: 3.3V
OUTPUT CURRENT: 2500mA
EFFICIENCY (Typ.): 81%
CAPACITOR LOAD (MAX.)^{* For each output}: 2470μF

INPUT

VOLTAGE RANGE: 36~75Vdc
SURGE VOLTAGE (100ms max.): 5Vin models : 12Vdc, 12Vin models : 25Vdc, 24Vin models : 50Vdc, 48Vin models : 100Vdc
FILTER: Pi type
PROTECTION: Fuse recommended. 5Vin models: 5A delay time Type, 12Vin models: 4A delay time Type, 24Vin models: 2A delay time Type, 48Vin models: 1A delay time Type
INTERNAL POWER DISSIPATION: 500mW

OUTPUT

VOLTAGE ACCURACY: ±1.5%
RATED POWER: 10W
RIPPLE & NOISE^Note.2: 50mVp-p
LINE REGULATION^Note.3: ±0.2%
LOAD REGULATION^Note.4: Single output models: ±0.2%, Dual output models:±1%
SWITCHING FREQUENCY (Typ.): 350KHz
EXTERNAL TRIM ADJ. RANGE (Typ.): ±10% (Single output model only)

PROTECTION

SHORT CIRCUIT: Protection type : Continuous, automatic recovery
OVERLOAD: 110 ~ 140% rated output power Protection type : Recovers automatically after fault condition is removed
OVER VOLTAGE: Protection type : Clamp by diode
UNDER VOLTAGE LOCKOUT Start-up voltage: 5Vin: 4.4Vdc, 12Vin: 8.8Vdc, 24Vin: 17Vdc, 48Vin: 34Vdc
UNDER VOLTAGE LOCKOUT Shutdown voltage: 5Vin: 4.2Vdc, 12Vin: 8Vdc, 24Vin: 16Vdc, 48Vin: 32Vdc

FUNCTION

REMOTE CONTROL: Power ON: R.C. ~ -Vin >5.5~75Vdc or open circuit ; Power OFF: R.C. ~ -Vin <1.2Vdc or short

ENVIRONMENT

COOLING: Free-air convection
WORKING TEMP.: -40 ~ +85℃ (Refer to "Derating Curve")
CASE TEMPERATURE: +105℃ max.
WORKING HUMIDITY: 20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY: -55 ~ +125℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT: 0.03% / ℃ (0 ~ 71℃)
SOLDERING TEMPERATURE: 1.5mm from case of 1 ~ 3sec./260℃ max.
VIBRATION: 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC ( Note.5)

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
ISOLATION CAPACITANCE (Typ.): 1000pF
EMC EMISSION: Parameter Standard Test Level

Conducted BS EN/EN55032(CISPR32) N/A
Radiated BS EN/EN55032(CISPR32) Class A
EMC IMMUNITY: Parameter Standard Test Level

ESD BS EN/EN61000-4-2 Level 2, ±8KV air, ±4KV contact
Radiated Susceptibility BS EN/EN61000-4-3 Level 2, 3V/m
EFT/Bursts BS EN/EN61000-4-4 Level 1, 0.5KV
Surge BS EN/EN61000-4-5 Level 1, 0.5KV Line-Line
Conducted BS EN/EN61000-4-6 Level 2, 3V(e.m.f.)
Magnetic Field BS EN/EN61000-4-8 Level 2, 3A/m

Parameter	Standard	Test Level
Conducted	BS EN/EN55032(CISPR32)	N/A
Radiated	BS EN/EN55032(CISPR32)	Class A

Parameter	Standard	Test Level
ESD	BS EN/EN61000-4-2	Level 2, ±8KV air, ±4KV contact
Radiated Susceptibility	BS EN/EN61000-4-3	Level 2, 3V/m
EFT/Bursts	BS EN/EN61000-4-4	Level 1, 0.5KV
Surge	BS EN/EN61000-4-5	Level 1, 0.5KV Line-Line
Conducted	BS EN/EN61000-4-6	Level 2, 3V(e.m.f.)
Magnetic Field	BS EN/EN61000-4-8	Level 2, 3A/m

OTHERS

MTBF: 1200Khrs MIL-HDBK-217F(25℃)
DIMENSION (L*W*H): 25.4*25.4*10.2mm (1*1*0.4 inch)
CASE MATERIAL: Black coated copper with Non-Conductive Base
PACKING: 18.3g ; 12pcs/per tube, 600pcs/50 tube/per carton

Test conditions and notes5

1.All parameters are specified at normal input(E:5Vdc, A:12Vdc, B:24Vdc, C:48Vdc), rated load, 25℃ 70% RH ambient.
2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1μf & 47μf capacitor.
3.Line regulation is measured from low line to high line at rated load.
4.Load regulation is measured from 10% to 100% rated load.
5.The final equipment must be re-confirm that it still meet EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.”(as available on http://www.meanwell.com)

Technical drawings

SKM10C-03 SKM10 & DKM10 series — SKM10 & DKM10 series

SKM10C-03 SKM10 & DKM10 series (2) — SKM10 & DKM10 series (2)

SKM10C-03 Plug Assignment — Plug Assignment

Typical applications

Downloads

Certificates2

Mean Well SKM10-DKM10-CE-dec Certificate PDF Download

Mean Well SKM-DKM10-UK-dec Certificate PDF Download

Test reports1

Mean Well SKM10C-03 Test Report PDF Download

Catalogues2

Mean Well DC-DC Catalog PDF Download

Mean Well Catalog (Industrial) PDF Download

FAQ

Can I use the SKM10C-03 for a 3.3V embedded controller in a high-voltage industrial system?

Yes, this model provides a constant 3.3V output and accepts a 36-75VDC input range. Its 10W rating and 2.5A listed output current make it suitable for lower-power embedded control electronics that need a regulated 3.3V rail.

Is the SKM10C-03 a good fit for powering industrial communication or logic boards that run on 3.3V?

It is appropriate for 3.3V logic or communication boards when the source available is within 36-75VDC. The unit is rated for 10W, so it fits auxiliary electronics and compact control boards rather than larger 3.3V systems with higher power demand.

Can this model support 3.3V automation electronics inside transportation or telecom equipment?

Yes, the 36-75VDC input range aligns with higher-voltage system environments, and the output is a constant 3.3V. The wide operating temperature range of -40°C to +85°C also supports use in equipment exposed to varied thermal conditions.

Is the SKM10C-03 suitable for outdoor enclosures or unprotected environments?

The operating temperature range is -40°C to +85°C, which supports broad temperature exposure. However, no IP rating is listed, so the specifications do not confirm sealing against dust or water and do not by themselves support outdoor use.

What is the difference between SKM10C-03 and the other SKM10C output versions?

The SKM10C series siblings listed are 3.3V at 2.5A for SKM10C-03, 5V at 2A for SKM10C-05, 12V at 833mA for SKM10C-12, and 15V at 666mA for SKM10C-15. Each is shown as a 10W model, so the listed distinction is the output voltage and corresponding output current.

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