Over 15 years experience of providing support of MEAN WELL Power Supplies
Overview
DCW08A-05 is the ±5V output model of this series: rated power 8W, typical efficiency 75%.
Features
- 2:1 wide input range
- 1500VDC I/O isolation
- Built-in EMI filter
- Protections: Short circuit / Overload
- Cooling by free air convection
- Five-sided shield metal case
- 100% full load burn-in test
- Low cost / High reliability
- 2 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- ±5V
- CURRENT RANGE
- ±160 ~ ±800mA
- RATED POWER
- 8W
- RIPPLE & NOISE (max.)Note.2
- 50mVp-p
- LINE REGULATIONNote.3
- ±0.5%
- LOAD REGULATIONNote.4
- ±0.5%
- VOLTAGE ACCURACY
- ±2.0%
- SWITCHING FREQUENCY
- 50KHz min.
- EXTERNAL CAPACITANCE LOAD (max.)
- 670uF
INPUT
- VOLTAGE RANGE
- 9 ~ 18VDC
- EFFICIENCY (Typ.)
- 75%
- DC CURRENT Full load
- 888mA
- DC CURRENT No load
- 50mA
- FILTER
- Pi network
- PROTECTION
- Fuse recommended
PROTECTION
- OVERLOADNote.5
- 110 ~ 250% rated output load Protection type : Hiccup mode, recovers automatically after fault condition is removed
- SHORT CIRCUITNote.5
- All output equipped with over current protection Protection type : Hiccup mode, recovers automatically after fault condition is removed
ENVIRONMENT
- WORKING TEMP.
- -40 ~ +71℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20% ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -40 ~ +105℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.03% / ℃ (0 ~ 50℃)
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
SAFETY & EMC
- SAFETY STANDARDS
- EAC TP TC 020/2011 approved
- WITHSTAND VOLTAGE
- I/P-O/P:1.5KVDC
- ISOLATION RESISTANCE
- I/P-O/P: 100M Ohms / 500VDC / 25℃/ 70% RH
- ISOLATION CAPACITANCE
- 250pF max.
- EMC EMISSION
- Compliance to BS EN/EN55032 Class B, FCC part 15 Class B, 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
- 900khrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 31.8*20.3*12.2mm (L*W*H) or 1.25"*0.80"*0.48" inch (L*W*H)
- PACKING
- 17.5g ; 15pcs/per tube, 750pcs/50 tube/per carton
Test conditions and notes5
- 1.All parameters are specified at normal input, rated load, 25℃ 70% RH ambient.
- 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf & 47uf capacitor.
- 3.Line regulation is measured from low line to high line at rated load.
- 4.Load regulation is measured from 20% to 100% rated load.
- 5.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds.
Technical drawings
Downloads
FAQ
What are the main electrical ratings of the Mean Well DCW08A-05?
The DCW08A-05 is an 8W DC-DC converter with a 9 to 18V DC input range and dual ±5V DC output. Its rated output current is 800mA. This model is designed for regulated low-power DC conversion in compact equipment.
Is the DCW08A-05 a good fit for systems that use a 12V DC input bus?
Yes. Its 9 to 18V DC input range makes it suitable for applications built around a nominal 12V DC supply. That 2:1 input range gives added tolerance for normal input variation within that voltage window.
What kind of protection features does the DCW08A-05 include?
This model includes short circuit protection and overload protection, both in hiccup mode with automatic recovery once the fault is removed. The overload protection is specified at 110% to 250% of rated output load. These protections help support reliable operation in demanding industrial and OEM environments.
Can the Mean Well DCW08A-05 be used in harsh temperature environments?
It is rated for operation from -40°C to +71°C, subject to the output derating curve. Storage temperature is specified from -40°C to +105°C. That makes it suitable for a wide range of industrial environments where compact isolated DC conversion is needed.
What makes the DCW08A-05 suitable for space-constrained equipment?
The converter has a compact metal case measuring 31.8 x 20.3 x 12.2mm and weighs about 17.5g. Its five-sided shield metal case and free-air convection cooling support use in dense electronic assemblies. This combination is useful where board space and enclosure room are limited.
What types of applications is the DCW08A-05 commonly suited for?
This model is typically suited for low-power OEM and industrial electronics that need isolated DC conversion from a 9 to 18V source to dual ±5V outputs. Its compact size, built-in EMI filter, and typical 75% efficiency make it a practical option for embedded power designs. Buyers often consider it when they need a small modular converter for control, interface, or signal-related circuitry.
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Other DCW08 Models
8 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well DCW08C-15 DC-DC Converter - 8W - 36~72V in ±15V out 267mA | 8W | 15V | 267 Milliampere | IP20 | View |
| Mean Well DCW08C-12 DC-DC Converter - 8W - 36~72V in ±12V out 335mA | 8W | 12V | 335 Milliampere | IP20 | View |
| Mean Well DCW08C-05 DC-DC Converter - 8W - 36~72V in ±5V out 800mA | 8W | 5V | 800 Milliampere | IP20 | View |
| Mean Well DCW08B-15 DC-DC Converter - 8W - 18~36V in ±15V out 267mA | 8W | 15V | 267 Milliampere | IP20 | View |
| Mean Well DCW08B-12 DC-DC Converter - 8W - 18~36V in ±12V out 335mA | 8W | 12V | 335 Milliampere | IP20 | View |
| Mean Well DCW08B-05 DC-DC Converter - 8W - 18~36V in ±5V out 800mA | 8W | 5V | 800 Milliampere | IP20 | View |
| Mean Well DCW08A-15 DC-DC Converter - 8W - 9~18V in ±15V out 267mA | 8W | 15V | 267 Milliampere | IP20 | View |
| Mean Well DCW08A-12 DC-DC Converter - 8W - 9~18V in ±12V out 335mA | 8W | 12V | 335 Milliampere | IP20 | View |
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