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Mean Well SLC03C-12 DC-DC Converter - 3W - 36~75V in 12V out 250mA

SKU SLC03C-12

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Overview

SLC03C-12 is the 12V output model of this series: rated power 3W, typical efficiency 82%.

SLC03 and DLC03 series are 3W isolated and regulated module type DC-DC converter with DIP16 package. It features international standard pins, a high efficiency up to 8 2 %, wide working temperature range -40~+ 85℃, 1 . 5 KVDC I/P-O/P isolation voltage, the compliance to BS EN/EN55032 radiated Class B without additional components, continuous-mode short circuit protection, etc. The models account for different input voltage , 9~18V, 18~36V and 36~75V 2:1 wide input range, and various output voltage, 5V/12V/15V for single output and ±5V/±12V/±15V for dual outputs, which are suitable for all kinds of systems, s uch as industrial control, telecommunication field, distributed power architecture, and so on.

Features

DIP16 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 B without additional components
High efficiency up to 82%
Protections: Short circuit (Continuous) / Overload / Input under voltage
1.5KVDC I/O isolation
3 years warranty

Specifications

SLC03C-12Specifications from the official datasheet (2024-08-02 edition)

INPUT

INPUT VOLTAGE (RANGE): 48V (36 ~ 75V)
INPUT CURRENT NO LOAD: 7mA
INPUT CURRENT FULL LOAD: 76mA
VOLTAGE RANGE: 18~75Vdc
SURGE VOLTAGE (100ms max.): 12Vin models : 25Vdc ; 24Vin models : 50V ; 48Vin models : 100Vdc
FILTER: Internal capacitor
PROTECTION: Fuse recommended. 12Vin models: 1A Slow-Blow Type, 24Vin models: 0.5A Slow-Blow Type, 48Vin models: 200mA Slow-Blow Type
INTERNAL POWER DISSIPATION: 1000mW

OUTPUT

OUTPUT VOLTAGE: 12V
OUTPUT CURRENT: 250mA
EFFICIENCY (TYP.): 82%
CAPACITOR LOAD (MAX.): 470μF
VOLTAGE ACCURACY: ±2%
RATED POWER: 3W
RIPPLE & NOISE^Note.2: 50mVp-p
LINE REGULATION^Note.3: ±0.2%
LOAD REGULATION^Note.4: ±0.5%
SWITCHING FREQUENCY (Typ.): 100KHz

PROTECTION

SHORT CIRCUIT: Protection type : Continuous, automatic recovery
OVERLOAD: 150 ~ 250% rated output power Protection type : Recovers automatically after fault condition is removed
UNDER VOLTAGE LOCKOUT Start-up voltage: 12Vin: 8.8Vdc, 24Vin: 17Vdc, 48Vin: 34Vdc
UNDER VOLTAGE LOCKOUT Shutdown voltage: 12Vin: 7Vdc, 24Vin: 14Vdc, 48Vin: 30Vdc

ENVIRONMENT

COOLING: Free-air convection
WORKING TEMP.: -40 ~ +85℃ (Refer to "Derating Curve")
CASE TEMPERATURE: +100℃ max.
WORKING HUMIDITY: 20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY: -40 ~ +105℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT: 0.03% / ℃ (0 ~ 80℃)
SOLDERING TEMPERATURE: 1.5mm from case of 3 ~ 5sec./265℃ max.
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
ISOLATION CAPACITANCE (Typ.): 80pF
EMC EMISSION: Parameter Standard Test Level

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

ESD BS EN/EN61000-4-2 Level 3, ±8KV air
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 2, 0.5KV Line-Line
Conducted BS EN/EN61000-4-6 Level 2, 3V
Magnetic Field BS EN/EN61000-4-8 Level 1, 1A/m

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

Parameter	Standard	Test Level
ESD	BS EN/EN61000-4-2	Level 3, ±8KV air
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 2, 0.5KV Line-Line
Conducted	BS EN/EN61000-4-6	Level 2, 3V
Magnetic Field	BS EN/EN61000-4-8	Level 1, 1A/m

OTHERS

MTBF: 300Khrs min. MIL-HDBK-217F(25℃)
DIMENSION (L*W*H): 22.1*13.8*8.55mm (0.87*0.54*0.34 inch)
CASE MATERIAL: Non-Conductive black plastic (UL 94V-0 rated)
PACKING: 4.5g ; 36pcs/per tube, 1800pcs/50 tube/per carton

Test conditions and notes6

1.All parameters are specified at normal input(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)
6.An external input filter capacitor is required if the module has to meet BS EN/EN61000-4-4, BS EN/EN61000-4-5. The filter capacitor Power Mate suggest: 220uF/100V.

Technical drawings

SLC03C-12 Plug Assignment — Plug Assignment

Typical applications

Downloads

Certificates3

Certificate (SLC-DLC03-EMC)(EN) PDF Download

Certificate (SLC-DLC03-UK-dec)(EN) PDF Download

Certificate (SLC-DLC03-CE-dec)(EN) PDF Download

Test reports1

Test Report (SLC03C-12)(EN) PDF Download

Catalogues2

Mean Well DC-DC Catalog PDF Download

Mean Well Catalog (Industrial) PDF Download

FAQ

Can I use the SLC03C-12 for a 12V industrial control or sensing circuit?

Yes, it is built for constant-voltage 12V output applications up to 3W. With a 36-75VDC input range and a listed 250mA output current, it fits low-power 12V control, sensing, or interface circuits within those limits.

Is the SLC03C-12 appropriate for embedded 12V subsystems in compact equipment?

It is a compact option for low-power 12V embedded subsystems because the package measures 22.1 × 13.8 × 8.55 mm and weighs 0.0045 kg. The constant-voltage output is intended for regulated 12V loads rather than variable-output use.

Can this model be used where 36-75VDC is already available in an automation cabinet?

Yes, provided the load requires 12V constant-voltage output and remains within the 3W rating. That makes it relevant for small automation modules that need 12V from a 36-75VDC input range.

How well does the SLC03C-12 handle temperature extremes?

The specified operating range is -40°C to +85°C, with load derating at the upper end per the derating curve, which is broad for industrial and embedded environments. Since no IP rating is listed, the temperature range alone does not make it an outdoor-rated product.

How does the SLC03C-12 differ from the 5V and 15V versions in the same series?

All SLC03C models are 3W converters with 36-75VDC input, but they provide different outputs. The SLC03C-05 is 5V with a listed 600mA output current, the SLC03C-12 is 12V with 250mA, and the SLC03C-15 is 15V with 200mA.

Payment & Security

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Model	Power	Voltage	Current	IP Rating
Mean Well SLC03C-15 DC-DC Converter - 3W - 36~75V in 15V out 200mA	3W	15V	200 Milliampere	IP20	View
Mean Well SLC03C-05 DC-DC Converter - 3W - 36~75V in 5V out 600mA	3W	5V	600 Milliampere	IP20	View
Mean Well SLC03B-15 DC-DC Converter - 3W - 18~36V in 15V out 200mA	3W	15V	200 Milliampere	IP20	View
Mean Well SLC03B-12 DC-DC Converter - 3W - 18~36V in 12V out 250mA	3W	12V	250 Milliampere	IP20	View
Mean Well SLC03B-05 DC-DC Converter - 3W - 18~36V in 5V out 600mA	3W	5V	600 Milliampere	IP20	View
Mean Well SLC03A-15 DC-DC Converter - 3W - 9~18V in 15V out 200mA	3W	15V	200 Milliampere	IP20	View
Mean Well SLC03A-12 DC-DC Converter - 3W - 9~18V in 12V out 250mA	3W	12V	250 Milliampere	IP20	View
Mean Well SLC03A-05 DC-DC Converter - 3W - 9~18V in 5V out 600mA	3W	5V	600 Milliampere	IP20	View

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