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Mean Well SCWN06W8-03 DC-DC Converter - 6W 9~75V DC in 3.3V out 1.82A
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SCWN06W8-03 is the 3.3V output model of this series: rated power 6W, typical efficiency 75%.
SCWN06W8 and DCWN06W8 series are 6W isolated and regulated module type DC-DC converter with DIP24 package. It features international standard pins, a high efficiency up to 86%, wide working temperature range -40~+95℃, 3KVdc I/P-O/P isolation voltage, Compliance to BS EN/EN55032 radiated Class B without additional components, continuous-mode short circuit protection, 8:1(9~75V) ultra-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
- DIP24 package with industry standard pinout
- 8:1(9~75Vdc) ultra-wide input range
- Operating temperature range -40 ~ +95℃
- No minimum load required
- Comply to BS EN/EN55032 radiated Class B without additional components
- High efficiency up to 86%
- Protections: Short circuit (Continuous) / Overload / Over voltage / UVLO
- Remote ON/OFF control (Optional)
- 3KVdc I/O isolation
- 3 years warranty
Specifications
MODEL SELECTION TABLE
- INPUT VOLTAGE (RANGE)
- Nominal 12V, 24V,36V,48V,72V (9 ~ 75V)
- INPUT CURRENT NO LOAD
- 5mA
- INPUT CURRENT FULL LOAD
- 110mA
- OUTPUT VOLTAGE
- 3.3V
- OUTPUT CURRENT
- 1200mA
- EFFICIENCY (TYP.)
- 75%
- CAPACITOR LOAD (MAX.)* For each output
- 1800μF
INPUT
- VOLTAGE RANGE
- 9~75Vdc
- SURGE VOLTAGE (100ms max.)
- 100Vdc
- FILTER
- Pi type
- PROTECTION (Typ.)
- 2A Fast-Acting Type
OUTPUT
- VOLTAGE ACCURACY
- ±2% for 3.3Vo, ±1.5% for others
- RATED POWER
- 6W
- RIPPLE & NOISENote.2
- 100mVp-p
- LINE REGULATIONNote.3
- ±0.5%
- LOAD REGULATIONNote.4
- Single output models:±0.5% ; Dual output models:±1.0%
- CROSS DEGUIATION
- ±5% @ 25%~100% Load only for dual output
- SWITCHING FREQUENCY (Typ.)
- 300KHz
PROTECTION
- SHORT CIRCUIT
- Protection type : Continuous, automatic recovery
- OVERLOAD
- 110 ~ 230% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
- OVER VOLTAGE
- Protection type : Clamp by zener diode
- UNDER VOLTAGE LOCKOUT (Typ.) Start-up voltage
- 8.8Vdc
- UNDER VOLTAGE LOCKOUT (Typ.) Shutdown voltage
- 8Vdc
ENVIRONMENT
- COOLING
- Free-air convection
- WORKING TEMP.
- -40 ~ +95℃ (Refer to "Derating Curve")
- CASE TEMPERATURE
- +115℃ max.
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -40 ~ +100℃, 10 ~ 95% RH non-condensing
- TEMP. COEFFICIENT
- ±0.05% / ℃ max. (0 ~ 85℃)
- 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 approved
- WITHSTAND VOLTAGE
- I/P-O/P:3KVdc
- ISOLATION RESISTANCE
- I/P-O/P:1000M Ohms / 500Vdc / 25℃/ 70% RH
- ISOLATION CAPACITANCE (Typ.)
- 1000pF
- EMC EMISSION
-
Parameter Standard Test Level Conducted BS EN/EN55032 Class A without additional components Class B with additional components Radiated BS EN/EN55032 Class B without additional components - 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 2, 0.5KV Surge BS EN/EN61000-4-5 Level 2, 1KV Line-Line Conducted BS EN/EN61000-4-6 Level 2, 3V(e.m.f.)
OTHERS
- MTBF (Typ.)
- 2500Khrs MIL-HDBK-217F(25℃)
- DIMENSION (L*W*H)
- 31.8*20.3*10.2mm (1.25*0.8*0.4 inch)
- CASE MATERIAL
- Non-Conductive black plastic (UL 94V-0 rated)
- PACKING
- 12.5g ; 10pcs/per tube, 600pcs/60 tube/per carton
Test conditions and notes5
- 1.All parameters are specified at normal input (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 0% 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
Typical applications
- Telecom/datacom system
- Wireless network
- Industrial control facility
- Instrument
- Analyzer
- Detector
- Data switch
Downloads
FAQ
What kind of applications is the Mean Well SCWN06W8-03 designed for?
The SCWN06W8-03 is a 6W DC-DC converter module for equipment that needs a regulated 3.3V DC output from a very wide DC input range. It is well suited to industrial and embedded systems where input voltage can vary across multiple nominal bus levels. Its DIP package also makes it practical for compact power conversion designs.
What input voltage range does this converter support?
This model accepts 9 to 75V DC input, which Mean Well describes as an 8:1 ultra-wide input range. That allows it to cover nominal 12V, 24V, 36V, 48V, and 72V DC systems with one part number. For buyers standardizing across mixed equipment platforms, that range is a key advantage.
Is the SCWN06W8-03 compatible with systems that require a 3.3V rail?
Yes, this version is specifically rated for a 3.3V DC output. It is intended for applications that need a low-voltage regulated rail while staying within the model's 1200mA maximum output current. Buyers should confirm their load requirements fit that current budget.
How does this model compare with narrower-input DC-DC converters?
Compared with converters built for a single narrow nominal input, the SCWN06W8-03 offers much broader flexibility because it operates from 9 to 75V DC. That can reduce the need to stock different converter variants for different DC bus voltages. It also includes 3KVdc input-to-output isolation and built-in protections, which strengthens its suitability for demanding equipment designs.
Can this converter operate in harsh temperature conditions?
Yes, the SCWN06W8-03 is rated for operation from -40°C to +95°C, with output load derated at higher ambient temperatures according to Mean Well's derating curve. That wide operating range makes it suitable for environments where temperatures may fall well below freezing or rise significantly during equipment operation. This is useful for industrial and enclosed-system applications with demanding thermal conditions.
What protection and compliance features does this model include?
This converter includes short circuit protection with continuous behavior, plus overload, over voltage, and UVLO protection. It also complies with BS EN/EN55032 radiated Class B without additional components, according to the provided specification. These features help support reliable use in professional equipment designs.
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