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Mean Well

Mean Well DCW08B-15 DC-DC Converter - 8W - 18~36V in ±15V out 267mA

SKU DCW08B-15
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Overview

DCW08B-15 is the ±15V output model of this series: rated power 8W, typical efficiency 80%.

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

DCW08B-15Specifications from the official datasheet (2024-08-02 edition)

OUTPUT

DC VOLTAGE
±15V
CURRENT RANGE
±52 ~ ±267mA
RATED POWER
8W
RIPPLE & NOISE (max.)Note.2
60mVp-p
LINE REGULATIONNote.3
±0.5%
LOAD REGULATIONNote.4
±0.5%
VOLTAGE ACCURACY
±2.0%
SWITCHING FREQUENCY
50KHz min.
EXTERNAL CAPACITANCE LOAD (max.)
47uF

INPUT

VOLTAGE RANGE
18 ~ 36VDC
EFFICIENCY (Typ.)
80%
DC CURRENT Full load
426mA
DC CURRENT No load
25mA
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

DCW08B-15 Mechanical Specification
Mechanical Specification
DCW08B-15 Packing
Packing

Downloads

FAQ

What are the input and output ratings of the Mean Well DCW08B-15?

The DCW08B-15 is an 8W DC-DC converter with a 2:1 input range of 18 to 36V DC. It provides dual ±15V DC output and has a rated output current of 267mA. This makes it suitable for systems that need a regulated positive and negative 15V supply from a nominal 24V-class DC source.

Is the DCW08B-15 designed for 24V DC input systems?

Yes. Its 18 to 36V DC input range fits 24V DC systems that need some input tolerance around nominal voltage. Buyers should still confirm their actual source stays within that range during normal operation.

What protection and isolation features does this converter include?

The DCW08B-15 includes short circuit protection and overload protection with auto-recovery behavior. The product description also lists built-in EMI filtering and 1500VDC I/O isolation, with the specification listing a 1.5KVDC I/P-O/P withstand voltage. These features support use in equipment that benefits from electrical separation between input and output.

What kinds of applications is the DCW08B-15 best suited for?

This model is best suited for equipment that needs an isolated ±15V DC output from an 18 to 36V DC input. Its compact metal case, built-in EMI filter, and free-air convection cooling make it a practical choice where space is limited and passive cooling is preferred. It is intended for low-power DC conversion rather than higher-load applications.

Can the DCW08B-15 be used in demanding temperature conditions?

It is rated for operation from -40°C to +71°C, subject to the output derating curve. Storage temperature is listed from -40°C to +105°C. That gives it a broad operating range for industrial and enclosed-equipment environments, provided thermal limits are respected.

How compact is the Mean Well DCW08B-15?

The converter measures 31.8 x 20.3 x 12.2 mm and weighs about 17.5g. It also uses a five-sided shield metal case. Those specs make it a compact option for designs where board space and enclosure space are limited.

What efficiency and warranty does the DCW08B-15 offer?

The typical efficiency is 80%, according to the specification. Mean Well also lists a 2-year warranty for this model. Together with the 100% full-load burn-in test, that positions it as a low-cost, reliability-focused converter in the 8W class.

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Mean Well DCW08B-15 DC-DC Converter - 8W - 18~36V in ±15V out 267mA
Mean Well

Mean Well DCW08B-15 DC-DC Converter - 8W - 18~36V in ±15V out 267mA

Log in to see price

DCW08B-15 is the ±15V output model of this series: rated power 8W, typical efficiency 80%.

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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