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Mean Well RSDW08F-12 DC-DC Converter - 8W - 3~36V in 12V out 666mA

Name: Mean Well RSDW08F-12 DC-DC Converter - 8W - 3~36V in 12V out 666mA
Brand: Mean Well
SKU: RSDW08F-12
Price: 18.94 USD
Availability: InStock

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

SKU RSDW08F-12

$18.94 USD

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In stock

Overview

RSDW08F-12 is the 12V output model of this series: rated power 8W, typical efficiency 85%.

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

RSDW08F-12Specifications from the official datasheet (2024-04-30 edition)

INPUT

INPUT VOLTAGE (RANGE): Normal 24V (9 ~ 36V)
INPUT CURRENT NO LOAD: 10mA
INPUT CURRENT FULL LOAD: 392mA
VOLTAGE RANGE: 9~36Vdc ,
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.): 85%
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

RSDW08F-12 RSDW08 & RDDW08 series — RSDW08 & RDDW08 series

RSDW08F-12 RSDW08 & RDDW08 series (2) — RSDW08 & RDDW08 series (2)

RSDW08F-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 RSDW08F-12 Test Report PDF Download

Catalogues2

Mean Well DC-DC Catalog PDF Download

Mean Well Catalog (Industrial) PDF Download

FAQ

Can I use the RSDW08F-12 for 12V industrial control or monitoring electronics?

This model is intended for constant-voltage 12V output use where the load remains within 8W and the listed 666mA output current rating. Its 9-36V input range also makes it relevant for equipment operating from a wide low-voltage source range.

Is the RSDW08F-12 suitable for compact embedded or automation devices that need a 12V rail?

It can be used in compact electronic assemblies needing regulated 12V output within the stated 8W rating. The converter measures 31.8 × 20.3 × 10.2 mm in a DIP package.

Can this 12V converter be used in railway-related electronic systems?

The sheet lists compliance with the EN50155 railway standard (including EN61373 for shock & vibration and EN50121-3-2 for EMC), which supports use in railway electronics. It also provides constant-voltage 12V output in an 8W format with 1.5KVDC input-output isolation.

Would the RSDW08F-12 fit isolated 12V power conversion inside industrial equipment?

It is a DC-DC converter with constant-voltage 12V output and a listed 1.5KVDC input-output isolation rating. That combination is relevant for industrial equipment that needs isolated 12V conversion within the 8W platform.

Can this model handle cold or hot operating environments, and is it outdoor-rated?

The specified operating range is -40°C to +85°C, so the converter is rated across a wide temperature span. No IP rating is included in the provided specifications, so outdoor or exposed-environment use cannot be confirmed from this information.

How does the RSDW08F-12 differ from the other RSDW08F converters?

The RSDW08F family keeps the same 8W platform while changing output ratings: RSDW08F-03 is 3.3V at 2A, RSDW08F-05 is 5V at 1.6A, RSDW08F-12 is 12V at 666mA, and RSDW08F-15 is 15V at 530mA. These are sibling options under the same compact series with the same 9-36V input range.

Payment & Security

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