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Mean Well RSDW08G-12 DC-DC Converter - 8W - 18~75V in 12V out 666mA

Name: Mean Well RSDW08G-12 DC-DC Converter - 8W - 18~75V in 12V out 666mA
Brand: Mean Well
SKU: RSDW08G-12
Price: 19.01 USD
Availability: InStock

compliance with EN50155 and EN45545 railway standards2:1 or 4:1 wide input rangeisolation 4000VDC1U low profilehalf encapsulated

SKU RSDW08G-12

$19.01 USD

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Overview

RSDW08G-12 is the 12V output model of this series: rated power 8W, typical efficiency 86%.

RSDW08 and RDDW08 series are 8W module type DC-DC reliable railway converter with DIP24 package. It features inter-national standard pins, a high efficiency up to 86%, wide working temperature range -40~+85℃, 1.5KVDC I/P-O/P isolation voltage, compliance with EN50155 railway standard, continuous-mode short circuit protection, etc. The models account for different input voltage 9~36V and 18~75V 4:1 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 railway, trams, buses and also can be used in the harsh environment with high vibration, high dust, extremely low or high temperature, etc.

Features

Compliance with EN50155 railway standard
DIP 24 package with standard pinout
4:1 wide input range
Wide operating temperature range -40 ~ +85℃
No minimum load required
Full encapsulated
Protections: Short circuit (Continuous) / Overload / Over voltage / Input under voltage
1.5KVDC I/O isolation
Remote ON/OFF control
3 years warranty

Specifications

RSDW08G-12Specifications from the official datasheet (2024-04-30 edition)

INPUT

INPUT VOLTAGE (RANGE): Normal 48V (18 ~ 75V)
INPUT CURRENT NO LOAD: 5mA
INPUT CURRENT FULL LOAD: 194mA
VOLTAGE RANGE: 18~75Vdc
SURGE VOLTAGE (100ms max.): 24Vin models : 50Vdc, 48Vin models : 100Vdc
FILTER: Pi type
PROTECTION (Typ.): Fuse recommended. 24Vin models: 3A delay time Type, 48Vin models: 1.5A delay time Type
INTERNAL POWER DISSIPATION: 500mW

OUTPUT

OUTPUT VOLTAGE: 12V
OUTPUT CURRENT: 666mA
EFFICIENCY (Typ.): 86%
CAPACITOR LOAD (MAX.): 666μF
VOLTAGE ACCURACY: ±1.5%
RATED POWER: 8W
RIPPLE & NOISE^Note.2: 50mVp-p
LINE REGULATION^Note.3: ±0.5%
LOAD REGULATION^Note.4: Single output models: ±0.5%, Dual output models:±1%
CROSS REGULATION: ±5% @ 25%~100% load
SWITCHING FREQUENCY (min.): 100KHz

PROTECTION

SHORT CIRCUIT: Protection type : Continuous, automatic recovery
OVERLOAD: 120 ~ 180% rated output power Protection type : Recovers automatically after fault condition is removed
OVER VOLTAGE: Protection type : Clamp by diode
UNDER VOLTAGE LOCKOUT Start-up voltage: 24Vin: 8.8Vdc, 48Vin: 17Vdc
UNDER VOLTAGE LOCKOUT Shutdown voltage: 24Vin: 8Vdc, 48Vin: 16Vdc

FUNCTION

REMOTE CONTROL: Power ON: R.C. ~ -Vin >3.5~36Vdc or open circuit ; Power OFF: R.C. ~ -Vin <1.2Vdc or short

ENVIRONMENT

COOLING: Free-air convection
WORKING TEMP.: -40 ~ +85℃ (Refer to "Derating Curve")
CASE TEMPERATURE: +100℃ max.
WORKING HUMIDITY: 20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY: -55 ~ +125℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT: 0.03% / ℃ (0 ~ 71℃)
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; Mounting: compliance to EN61373(Category 1- Class B)

SAFETY & EMC ( Note.5)

SAFETY STANDARDS: EAC TP TC 020/2011(EAC TP TC 004 for 48Vin type only) approved
WITHSTAND VOLTAGE: I/P-O/P:1.5KVDC
ISOLATION RESISTANCE: I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
ISOLATION CAPACITANCE (Typ.): 1000pF
EMC EMISSION: Parameter Standard Test Level

Conducted BS EN/EN55032 Class A/B with external components
Radiated BS EN/EN55032 N/A
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 1, 0.5KV Line-Line
Conducted BS EN/EN61000-4-6 Level 2, 3V(e.m.f.)
RAILWAY STANDARD: EN50155 including EN61373 for shock & vibration, EN50121-3-2 for EMC

Parameter	Standard	Test Level
Conducted	BS EN/EN55032	Class A/B with external components
Radiated	BS EN/EN55032	N/A

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 1, 0.5KV Line-Line
Conducted	BS EN/EN61000-4-6	Level 2, 3V(e.m.f.)

OTHERS

MTBF: Single: 1500Khrs, Dual: 1300Khrs MIL-HDBK-217F(25℃)
DIMENSION (L*W*H): 31.8*20.3*10.2mm (1.25*0.8*0.4 inch)
CASE MATERIAL: Black coated copper with non-conductive base
PACKING: 18.4g ; 10pcs/per tube, 700pcs/70 tube/per carton

Test conditions and notes5

1.All parameters are specified at normal input(F:24Vdc, G: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 10% 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

RSDW08G-12 RSDW08 & RDDW08 series — RSDW08 & RDDW08 series

RSDW08G-12 RSDW08 & RDDW08 series (2) — RSDW08 & RDDW08 series (2)

RSDW08G-12 Derating Curve — Derating Curve

Typical applications

Bus, tram, metro or railway system
Telecom/datacom system
Wireless network
Industrial control facility
Instrument
Analyzer
Highly vibrating, heavily dusty, extremely low or high temperature harsh environment

Downloads

Certificates2

Mean Well RSDW08-RDDW08-EMC Certificate PDF Download

Mean Well RSDW08-RDDW08-RSDW10-RDDW10-CE-dec Certificate PDF Download

Test reports1

Mean Well RSDW08G-12 Test Report PDF Download

Catalogues2

Mean Well DC-DC Catalog PDF Download

Mean Well Catalog (Industrial) PDF Download

FAQ

Can I use the RSDW08G-12 for a 12V industrial control or monitoring circuit?

Yes, it provides constant-voltage 12V output with an 8W power rating. It is intended for applications that need regulated 12V as long as the connected load stays within the product's listed output limits.

Is the RSDW08G-12 a fit for railway control electronics that need isolated 12V power?

It is suited to that type of use because the sheet lists compliance with the EN50155 railway standard (including EN61373 for shock & vibration and EN50121-3-2 for EMC). The 1.5KVDC input-output isolation and -40°C to +85°C operating range (with derating) are also relevant for harsh transport-related electronics.

Can this converter be used in a low-profile embedded or automation enclosure?

Yes, the package is 31.8 x 20.3 x 10.2 mm in a compact DIP format. That makes it practical for compact 12V subcircuits where height and footprint matter.

Will the RSDW08G-12 work in cold or hot industrial environments?

The specified operating temperature range is -40°C to +85°C, so it is built for wide-temperature operation. The provided specs do not include an IP rating, so temperature capability is clear but sealed outdoor exposure is not confirmed.

What are the differences between the RSDW08G-12 and its sibling models?

All four RSDW08G models are rated at 8W, but their outputs differ. RSDW08G-03 is 3.3V at 2A, RSDW08G-05 is 5V at 1.6A, RSDW08G-12 is 12V at 666mA, and RSDW08G-15 is 15V at 530mA.

Payment & Security

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