Image shown is a representation only. Exact specifications should be obtained from the product datasheet.

Mean Well DCW08W8-12 DC-DC Converter - 8W 9~75V DC in ±12V out 333mA

8:1(9~75VDC) ultra-wide input rangeno minimum load required3KVdc I/O isolation

SKU DCW08W8-12

Log in to see price Trade pricing & online ordering for account holders

Available to order

Overview

DCW08W8-12 is the ±12V output model of this series: rated power 8W, typical efficiency 86%.

SCW08W8 and DCW08W8 series are 8W 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~+90℃, 3KVdc I/P-O/P isolation voltage, Compliance to BS EN/EN55032 radiated Class A without additional components, continuous-mode short circuit protection, 8:1(9~75V) ultra-wide input range, and various output voltage, 3.3V/5V/9V/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 ~ +90℃
No minimum load required
Comply to BS EN/EN55032 radiated Class A 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

DCW08W8-12Specifications from the official datasheet (2025-07-17 edition)Download datasheet PDF

MODEL SELECTION TABLE

INPUT VOLTAGE (RANGE): Nominal 12V, 24V,36V,48V,72V (9 ~ 75V)
INPUT CURRENT NO LOAD: 10mA
INPUT CURRENT FULL LOAD: 383mA
OUTPUT VOLTAGE: ±12V
OUTPUT CURRENT: ±333mA
EFFICIENCY (TYP.): 86%
CAPACITOR LOAD (MAX.)^{* For each output}: *220μF

INPUT

VOLTAGE RANGE: 9~75Vdc
SURGE VOLTAGE (100ms max.): 100Vdc
FILTER: Pi type
PROTECTION (Typ.): Fuse recommended. 3A Slow-Blow Type

OUTPUT

VOLTAGE ACCURACY: ±2%
RATED POWER: 8W
RIPPLE & NOISE^Note.2: 100mVp-p
LINE REGULATION^Note.3: ±0.5%
LOAD REGULATION^Note.4: ±1% for 3.3Vo, ±0.5% for others
CROSS DEGUIATION: ±5% @ 25%~100% Load only for dual output
SWITCHING FREQUENCY (Typ.): 300KHz

PROTECTION

SHORT CIRCUIT: Protection type : Continuous, automatic recovery
OVERLOAD: 200 ~ 300% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE: Protection type : Clamp by TVS 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 ~ +90℃ (Refer to "Derating Curve")
CASE TEMPERATURE: +110℃ max.
WORKING HUMIDITY: 5% ~ 95% RH non-condensing
STORAGE TEMP., HUMIDITY: -55 ~ +125℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT: 0.05% / ℃ (0 ~ 85℃)
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 (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 N/A
Radiated BS EN/EN55032 Class A without additional components Class B with 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 1, 0.5KV
Surge BS EN/EN61000-4-5 Level 2, 0.5KV Line-Line
Conducted BS EN/EN61000-4-6 Level 2, 3V(e.m.f.)
Magnetic field immunity BS EN/EN61000-4-8 Level 1, 1A/m

Parameter	Standard	Test Level
Conducted	BS EN/EN55032	N/A
Radiated	BS EN/EN55032	Class A without additional components Class B with additional components

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 1, 0.5KV
Surge	BS EN/EN61000-4-5	Level 2, 0.5KV Line-Line
Conducted	BS EN/EN61000-4-6	Level 2, 3V(e.m.f.)
Magnetic field immunity	BS EN/EN61000-4-8	Level 1, 1A/m

OTHERS

MTBF (Typ.): >860Khrs MIL-HDBK-217F(25℃)
DIMENSION (L*W*H): 31.8*20.3*12.2mm (1.25*0.8*0.48 inch)
CASE MATERIAL: Non-Conductive black plastic (UL 94V-0 rated)
PACKING: 17.5g ; 15pcs/per tube, 750pcs/50 tube/per carton

Test conditions and notes5

1.All parameters are specified at normal input(24Vdc), 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

DCW08W8-12 DIMENSION (L*W*H) 31.8*20.3*12.2mm — DIMENSION (L*W*H) 31.8*20.3*12.2mm

DCW08W8-12 Derating Curve — Derating Curve

DCW08W8-12 Pin Assignment — Pin Assignment

Typical applications

Downloads

Datasheet1

DCW08W8-12 datasheetSCW08W8_DCW08W8_Spec_Sheet.pdf · 2025-07-17 edition PDF Download

Catalogues2

Mean Well DC-DC Catalog PDF Download

Mean Well Catalog (Industrial) PDF Download

FAQ

What is the Mean Well DCW08W8-12 designed for?

The DCW08W8-12 is an 8W isolated DC-DC converter module for applications that need a very wide DC input range and dual output rails. It accepts 9 to 75V DC input and provides ±12V output, which makes it suitable for industrial and embedded equipment that operates across multiple nominal DC bus voltages.

What input voltage range does the DCW08W8-12 support?

This model supports an ultra-wide 9 to 75V DC input range. That covers common nominal systems including 12V, 24V, 36V, 48V, and 72V DC, which helps reduce the need for different converter variants across platforms.

Does the DCW08W8-12 provide isolated output?

Yes, the DCW08W8-12 provides 3KVdc input-to-output isolation. This isolation is useful in equipment where separation between input and output circuits is important for system design and noise management.

Can this converter operate in harsh temperature conditions?

Yes, this model is rated for operation from -40°C to +90°C, with reference to the derating curve. That wide temperature range makes it a practical option for demanding industrial environments where ambient conditions can vary significantly.

What protection features are included in the DCW08W8-12?

The DCW08W8-12 includes protection for short circuit, overload, over voltage, and under-voltage lockout. Short-circuit protection is continuous with automatic recovery, and overload protection uses hiccup mode with recovery after the fault is removed.

How does the DCW08W8-12 compare with narrower-input DC-DC converters?

Its main differentiator is the 8:1 ultra-wide input range, allowing one model to cover several common nominal DC input systems. Compared with narrower-range converters, it can simplify product selection in fleets or equipment designs that may see different DC bus voltages.

Payment & Security

Payment methods

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Please log in to write a review.

{ "id":14812938240366, "variants" :[{ "context":"default", "variant_id": 52705265615214, "sku":"DCW08W8-12", "inventory_qty" : 0, "customer" :false, "custom_html" :"\u003ca class=\"text-current logged-out-price logged-out\" href=\"https:\/\/wellforces.co.nz\/customer_authentication\/redirect?locale=en\u0026region_country=NZ\"\u003e\n \u003cspan \u003ePlease \u003c\/span\u003e \u003cspan class=\"login-text\"\u003eLogin\u003c\/span\u003e \u003cspan\u003e for Pricing\u003c\/span\u003e\n \u003c\/a\u003e", "volume_html" :"\u003cvolume-pricing class=\"parent-display inside_product_form\" id=\"volume-pricing-main\" \u003e\u003c\/volume-pricing\u003e" } ] }