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Mean Well

Mean Well DCW08C-05 DC-DC Converter - 8W - 36~72V in ±5V out 800mA

SKU DCW08C-05
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Overview

DCW08C-05 is the ±5V output model of this series: rated power 8W, typical efficiency 78%.

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

DCW08C-05Specifications from the official datasheet (2024-08-02 edition)

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
36 ~ 72VDC
EFFICIENCY (Typ.)
78%
DC CURRENT Full load
215mA
DC CURRENT No load
15mA
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. 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 20% to 100% rated load.
  5. 5.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds.

Technical drawings

DCW08C-05 Mechanical Specification
Mechanical Specification
DCW08C-05 Packing
Packing

Downloads

FAQ

What are the key electrical specs of the Mean Well DCW08C-05?

The DCW08C-05 is an 8W DC-DC converter with a 36 to 72V DC input range and a ±5V output. It is rated for 800mA output current, with typical efficiency of 78%. The listing also states voltage set point accuracy up to ±2% max.

What kinds of applications is the DCW08C-05 suited for?

This model is suited for low-power DC-DC conversion in systems that need a wide 2:1 input range and isolated output. Its compact metal case, built-in EMI filter, and industrial temperature range make it a practical option for embedded, control, and distributed power applications. It is best matched to applications that fit within its 8W power rating.

How does the DCW08C-05 compare with non-isolated DC-DC converters?

The DCW08C-05 is designed as an isolated converter, unlike simpler non-isolated modules used only for basic voltage conversion. This model also includes a built-in EMI filter and a five-sided shield metal case, which can be beneficial in noise-sensitive equipment. Buyers choosing between models should weigh those protections against the relatively modest 8W output rating.

Can the DCW08C-05 be used in harsh temperature environments?

Yes, the converter is specified for operation from -40°C to +71°C, subject to the output derating curve. Its storage temperature range extends from -40°C to +105°C. That makes it better suited to demanding industrial environments than products limited to room-temperature use.

What protection and compliance features does the DCW08C-05 include?

The DCW08C-05 includes short circuit protection and overload protection in the 110% to 250% range, both in hiccup mode with auto-recovery. It also includes a built-in EMI filter and is listed as compliant with EN55032 Class B, FCC Part 15 Class B, and multiple EN61000-4 immunity standards. These features support reliable use in electronically noisy environments.

What should I verify to confirm compatibility with my system?

The main checks are whether your system provides a 36 to 72V DC input and whether the load fits within the converter's ±5V output, 800mA current rating, and 8W total power limit. You should also confirm that the operating temperature range and compact 31.8 x 20.3 x 12.2mm size fit your design requirements. If isolation, EMC performance, or shielding matter for your application, this model includes those features.

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Mean Well DCW08C-05 DC-DC Converter - 8W - 36~72V in ±5V out 800mA
Mean Well

Mean Well DCW08C-05 DC-DC Converter - 8W - 36~72V in ±5V out 800mA

Log in to see price

DCW08C-05 is the ±5V output model of this series: rated power 8W, typical efficiency 78%.

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
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